[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "1.1"]
[White "Furuse, Mizuki"]
[Black "Honda, Yoshiki"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "1564"]
[BlackElo "1848"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "101"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{A38: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6} 1. Nf3 Nf6 2. g3 g6 3.
Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 c5 7. d3 Nc6 8. Rb1 Ne8 9. Bd2 (9. a3 Nc7
10. Nd5 Rb8 11. b4 cxb4 12. axb4 b5 13. Be3 bxc4 14. dxc4 Bf5 15. Ra1 Bxa1 16.
Qxa1 e5 17. Bh6 Nxd5 18. cxd5 Nxb4 19. Bxf8 Qxf8 20. Qxa7 Ra8 21. Qb7 Rb8 22.
Qa7 Ra8 23. Qb7 Rb8 {Himanshu,S (2408)-Bai,J (2180) New Delhi 2012 1/2-1/2})
9... Bd7 $146 (9... Nc7 10. a3 (10. Qc1 Rb8 11. Bh6 Bd7 12. a3 a5 13. Nd5 b5
14. Nxc7 Qxc7 15. cxb5 Rxb5 16. Bxg7 Kxg7 17. d4 Bf5 18. Ra1 Qb6 19. d5 Nd4 20.
Qe3 Re8 21. Nd2 e5 22. Rac1 Qa6 23. Nc4 a4 24. f3 Rb3 {Greenfeld,A (2510)
-Cebalo,M (2475) Biel 1986 1/2-1/2 (81)}) 10... a5 11. Ne1 Bd7 12. Nc2 Rb8 13.
b4 axb4 14. axb4 b6 15. b5 Nd4 16. Nxd4 Bxd4 17. Qc2 f5 18. e3 Bg7 19. Ne2 g5
20. Bc3 e5 21. f4 Qe7 22. Qb2 Bc8 23. Ra1 Bb7 24. Ra7 {Enigl,K (2205)-Mahdy,K 
(2455) Austria 1995 0-1 (81)}) 10. a3 {Secures b4} a5 11. Qc2 Nc7 12. Na2 (12.
h4 Bg4 $11) 12... Qc8 13. b4 axb4 14. axb4 Nxb4 (14... Bg4 15. e3 $11) 15. Nxb4
cxb4 16. Bxb4 Ne6 17. Bc3 Bc6 18. Bxg7 Nxg7 19. Qb2 Qd7 20. Ra1 b5 $2 (20...
Ne6 $5 $14 {should not be overlooked}) 21. cxb5 (21. Rxa8 $142 Bxa8 22. cxb5
$16) 21... Bxb5 $2 (21... Rxa1 $142 $5 22. Rxa1 Qb7 $16) 22. Ne5 (22. Rxa8 $5 {
might be the shorter path} Rxa8 23. Ne5 dxe5 24. Bxa8 f6 $18) 22... Rxa1 23.
Nxd7 Rxf1+ 24. Kxf1 Bxd7 25. f4 Be6 (25... Rc8 26. Qb7 Rd8 27. d4 $18) 26. Kf2
(26. Qb7 $5 {seems even better} Nf5 27. Kf2 h5 $18) 26... Rc8 27. h3 h5 28. d4
Kf8 29. d5 Bd7 30. Qb4 Ke8 31. Qb2 {White threatens to win material: Qb2xg7}
Kf8 32. Kg1 Rd8 33. Kh2 Rc8 34. Qb7 Rd8 (34... Ke8 35. Bf3 $18) 35. Bf3 Ke8 36.
g4 hxg4 37. Bxg4 Bxg4 38. hxg4 Kf8 39. e4 Re8 (39... f6 40. Kg3 $18) 40. f5 (
40. e5 $142 $5 {makes it even easier for White} Rd8 $18) 40... gxf5 41. exf5 f6
42. Qb3 (42. Kg3 Kf7 $18) 42... Kf7 (42... Rc8 $5 $16) 43. Kg2 Rh8 44. Qe3 Rh7
45. Qf4 Rh4 46. Kg3 $4 {there were better ways to keep up the pressure} (46.
Qg3 $142 {and the scales tip in favour of White} Rh8 47. Qc3 $18) 46... Nh5+
$11 47. gxh5 Rxf4 48. Kxf4 {A pawn endgame occured} Kg7 49. Kg4 Kh7 50. Kh4 Kg7
51. Kg4 1/2-1/2

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "1.2"]
[White "Yoshii, Yukihiko"]
[Black "Yajima, Machiko"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1750"]
[BlackElo "1469"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "63"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] A53: Old Indian Defence without Nf3} 1. c4 d6 2. d4 Nf6 3. Nc3 Nc6
4. Nf3 (4. e4 e5 5. d5 Ne7 (5... Nd4 6. Be3 c5 7. dxc6 bxc6 8. Bxd4 exd4 9.
Qxd4 Rb8 10. O-O-O Qa5 11. Nf3 Nd7 12. Qe3 Qb4 13. Rd2 Ne5 14. Qxa7 Be7 15. a3
Rb7 16. Qa6 Qc5 17. b4 Qa7 18. Qxa7 Rxa7 19. Nxe5 dxe5 20. Kb2 {Palo,D (2550)
-Fries Nielsen,J (2416) Aarhus 2014 1-0 (39)}) 6. f3 Ng6 7. Be3 Be7 8. Qd2 h6
9. g3 Nh5 10. Nh3 Bxh3 11. Bxh3 Bg5 12. O-O-O Bxe3 13. Qxe3 Qg5 14. Kd2 c6 15.
Rhe1 a5 16. dxc6 bxc6 17. Kc2 Qxe3 18. Rxe3 Rd8 {Novikov,I (2719)-Bonin,J 
(2413) Mineola 2002 1-0 (50)}) 4... Bd7 $146 (4... Bg4 5. d5 (5. Bg5 e6 6. e3
Be7 7. Be2 h6 8. Bh4 e5 9. Bg3 Nh5 10. Nxe5 dxe5 11. Bxg4 Nxg3 12. hxg3 exd4
13. exd4 Qxd4 14. Qxd4 Nxd4 15. O-O-O c5 16. Rhe1 Kf8 17. Bf3 Rb8 18. Nb5 Nxf3
19. gxf3 a6 {Orlov,N (2285)-Liberman,E (2159) Samara 2012 0-1 (48)}) 5... Ne5
6. Nxe5 dxe5 7. f3 Bd7 8. e4 e6 9. Be3 Be7 10. Qd2 O-O 11. O-O-O exd5 12. exd5
a6 13. c5 Ne8 14. Bc4 b5 15. Bb3 Bf5 16. g4 Bg6 17. Ne4 Bxe4 18. fxe4 a5 19.
Rdf1 {Balazs,I (2175)-Lenart,E (2221) Hungary 2005 0-1 (54)}) (4... a6 5. d5
Na5 6. e4 c5 7. a3 Qc7 8. Be3 Bd7 9. Nd2 Ng4 10. Bf4 g5 11. Bxg5 b5 12. cxb5 c4
13. Be2 Ne5 14. bxa6 Rg8 15. Be3 Rxg2 16. b4 cxb3 17. Nb5 Qb8 18. a7 Qxb5 19.
Bxb5 {Nguyen,C (2366)-Gervasio,R (2332) Paris 2003 1-0 (34)}) 5. e4 e5 6. d5 {
White threatens to win material: d5xc6} Nb4 (6... Ne7 7. Qb3 b6 8. Be2 $14) 7.
a3 $16 Na6 8. b4 c6 (8... g6 $5 $16) 9. dxc6 $18 bxc6 10. c5 Qc8 $2 (10... Nb8
$142 11. Bc4 a5 $18) 11. cxd6 Nb8 (11... Bg4 {doesn't get the bull off the ice}
12. Qd3 Bxf3 13. gxf3 $18 (13. Qxf3 $6 Nb8 $18) (13. Qxa6 $6 {is much worse}
Bxe4 14. Nxe4 Nxe4 $16)) 12. Be2 (12. Nxe5 $142 {keeps an even firmer grip} Be6
13. Bf4 Nbd7 $18) 12... a5 13. Bb2 (13. Na4 $142 {and White can already relax}
Qd8 14. Be3 $18) 13... c5 $4 {terrible, but what else could Black do to save
the game?} (13... axb4 14. Na4 Qd8 15. axb4 Nxe4 16. Bxe5 Bf5 $18) 14. b5 c4 (
14... Be6 {is not much help} 15. Nxe5 Qd8 16. Nf3 Qxd6 17. Qxd6 Bxd6 18. e5 $18
) 15. Nxe5 Be6 16. a4 (16. Qd4 {keeps an even firmer grip} Qd8 17. Nxc4 Bxc4
18. Bxc4 Qxd6 $18) 16... Nbd7 (16... Qc5 {there is nothing better in the
position} 17. Nf3 Bxd6 $18) 17. Nc6 g6 (17... Nb8 {does not improve anything}
18. e5 Nxc6 19. bxc6 $18) 18. e5 Ng4 (18... Nxe5 {desperation} 19. Nxe5 Bg7 $18
) 19. Bxg4 Bxg4 20. Qxg4 Nxe5 21. Qxc8+ Rxc8 22. Nxe5 Bxd6 23. Nc6 Bb4 24. O-O
Bc5 25. Ne4 Bf8 26. Bxh8 (26. Nf6#) 26... Kd7 27. Rad1+ Ke6 (27... Kc7 {
a fruitless try to alter the course of the game} 28. Be5+ Kb6 29. Rd7 Rxc6 30.
Bb8 Rc7 31. Bxc7+ Kb7 32. Bxa5+ Kb8 33. Rd8+ Kb7 34. Rxf8 f5 35. Rd1 fxe4 36.
Rd7#) 28. Ng5+ Kf5 29. Rd5+ Kg4 30. h3+ Kh5 31. Nxf7+ Kh4 (31... g5 {is no
salvation} 32. Rxg5+ Kh4 33. Nd4 c3 34. Nf5#) 32. Bf6+ (32. Bf6+ g5 33. Rxg5
Rxc6 34. Kh2 Rxf6 35. g3#) (32. Kh2 Bd6+ 33. g3+ Bxg3+ 34. fxg3#) 1-0

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "1.3"]
[White "Ito, Katsuhide"]
[Black "Nishimori, Toshiyuki"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1448"]
[BlackElo "1746"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "88"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] B33: Sicilian: Pelikan and Sveshnikov Variations} 1. e4 c5 2. Nf3
Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6
gxf6 10. Nd5 f5 11. Bd3 Be6 12. Qh5 f4 13. O-O Bg7 14. c3 (14. Rfd1 O-O 15. c4
Nd4 16. cxb5 Bxd5 17. exd5 f5 18. Bf1 axb5 19. Nxb5 Nxb5 20. Bxb5 e4 21. Qe2 f3
22. gxf3 Qh4 23. Kh1 Be5 24. Rg1+ Kh8 25. Rg3 Rfb8 26. f4 Qxf4 27. a4 Qh6 28.
Rg2 Rg8 {Isaev,J (2450)-Doghri,N (2350) Yerevan 1996 1/2-1/2 (42)}) 14... Rb8
$146 (14... h6 15. Nc2 Rg8 16. h3 Bf8 17. a4 Rg5 18. Qf3 h5 19. Be2 f5 20. axb5
Bxd5 21. exd5 Ne7 22. Rxa6 Rxa6 23. bxa6 e4 24. Qxf4 Bh6 25. Kh1 Nxd5 26. Qd2
f4 27. Qd4 Re5 28. a7 Nb6 29. Qxb6 {Janetschek,K (2320)-Rajna,G (2370)
Kecskemet 1979 1-0 (40)}) (14... Ra7 15. Nc2 O-O 16. a4 bxa4 17. Rxa4 f5 18.
Ncb4 Nxb4 19. Nxb4 Rf6 20. Rfa1 Rh6 21. Qf3 Qh4 22. h3 d5 23. exf5 e4 24. Qg4
Qxg4 25. hxg4 exd3 26. fxe6 d2 27. Rd1 Rxe6 28. Rxd2 Re1+ 29. Kh2 {Martinez
Romero,M (2408)-Guerra Tulcan,L (2360) La Libertad 2015 1-0 (35)}) (14... Ne7
15. Qg5 Rg8 16. Qxe7+ Qxe7 17. Nxe7 Kxe7 18. Nc2 Rab8 19. a4 bxa4 20. Nb4 Bd7
21. Bxa6 Kd8 22. Bc4 Bf8 23. Bxf7 Rg7 24. Bd5 Bh3 25. g3 Bxf1 26. Kxf1 fxg3 27.
hxg3 Rb6 28. Rxa4 Rc7 29. Bb3 {Ahmed,A (2246)-Ahmed,H (2253) Beijing 2008 1-0 
(53)}) (14... Bxd5 15. exd5 Ne7 16. Rad1 Ng6 17. g3 Qf6 18. Nc2 O-O 19. Ne1 h6
20. Nf3 Rfc8 21. h4 Rc5 22. Be4 Rb8 23. g4 b4 24. g5 hxg5 25. hxg5 Qe7 26. Kg2
bxc3 27. bxc3 Rxc3 28. Rh1 Rb4 29. Rde1 {Alzate,D (2426)-Martinez Garcia,J 
(2172) Buenos Aires 2003 1-0 (38)}) 15. Nc2 Ne7 (15... O-O $5 $14) 16. Ncb4 $16
Nxd5 (16... Qc8 $142 $5 $16) 17. exd5 $18 (17. Nxd5 $6 O-O $14) 17... Bc8 $2 (
17... Bd7 $142 18. Nc6 Bxc6 19. dxc6 Qc7 $18) 18. Nc6 Qb6 19. Qg5 O-O 20. Nxb8
(20. Ne7+ $142 {makes it even easier for White} Kh8 21. Nf5 $18) 20... Qxb8 21.
Qh5 (21. Bf5 Qb6 $18) 21... h6 (21... f5 22. f3 $16) 22. Be4 (22. Bf5 $5 a5 $18
) 22... f5 $16 23. Bc2 Qb7 24. Rad1 Qe7 {[%cal Ye5e4] Black prepares e4} 25.
Rd3 (25. f3 Bd7 $16) 25... e4 26. Rh3 Qf6 27. Re1 Bd7 28. Rh4 $4 {stumbles
just before the finish line} (28. Qh4 $142 Qxh4 29. Rxh4 $16) 28... Be8 $19 29.
Qd1 Qxh4 30. b4 (30. f3 {no good, but what else?} Be5 31. Rf1 $19) 30... Be5 (
30... Bxc3 31. Qe2 f3 32. Qf1 Bxe1 33. g3 Bxf2+ 34. Qxf2 $19) 31. f3 e3 32. Qe2
(32. Re2 {does not win a prize} Bxc3 33. a3 Bd7 $19) 32... Bxc3 33. Rc1 (33.
Rd1 {cannot change destiny} Bxb4 34. Bb3 Bc5 $19) 33... Bd2 34. Rf1 Bd7 35. a3
(35. Rb1 {does not help much} Rc8 36. Bb3 Bxb4 $19) 35... Rc8 36. Bd3 (36. Bb1
{doesn't change the outcome of the game} Qf6 $19) 36... Rc3 37. Rd1 (37. Bb1 {
doesn't improve anything} Rxa3 38. Kh1 Bxb4 $19) 37... Rxa3 (37... Rxd3 $142 {
seems even better} 38. Qf1 $19) 38. Rxd2 (38. Kh1 $19 {praying for a miracle})
38... exd2 39. Qxd2 Ra1+ 40. Bf1 Qe1 41. Qf2 Qxf2+ (41... a5 42. Qxe1 Rxe1 43.
Kf2 Rxf1+ 44. Kxf1 a4 45. Ke2 a3 46. Kd3 a2 47. h4 a1=Q 48. Kc2 Qa4+ 49. Kd2
Qxb4+ 50. Kc2 Qc5+ 51. Kb2 b4 52. g4 Qc3+ 53. Ka2 Qc2+ 54. Ka1 b3 55. gxf5 Qa2#
) 42. Kxf2 Rb1 43. g3 fxg3+ 44. Kxg3 Rxf1 (44... Rxf1 45. h3 a5 46. Kg2 Ra1 47.
Kh2 axb4 48. Kg3 b3 49. Kh4 b2 50. Kg3 b1=Q 51. f4 Qf1 52. Kh4 Qxf4+ 53. Kh5
Be8#) 0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "1.4"]
[White "Aoki, Yasuhiro"]
[Black "Okimura, Mikiko"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "1721"]
[BlackElo "1000"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "67"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} 1. c4 c6 2. Nf3 d5 3. e3
Bf5 4. Be2 $146 (4. cxd5 cxd5 5. Qb3 (5. Nc3 e6 6. Qa4+ Nc6 7. Nd4 Nge7 8. Bb5
Qd7 9. b3 Rc8 10. Ba3 a6 11. Bxc6 Nxc6 12. Nxf5 exf5 13. Bxf8 Kxf8 14. O-O g6
15. Ne2 Kg7 16. Rac1 Qd6 17. d4 Na7 18. Qa5 Rxc1 19. Rxc1 Rc8 {Bocharov,D 
(2577)-Sakaev,K (2594) St Petersburg 2015 1-0 (56)}) 5... Qc7 6. Bb5+ (6. Nc3
e6 7. Nh4 Bg6 8. Nxg6 hxg6 9. g3 Nf6 10. Bg2 Nc6 11. O-O Be7 12. d3 O-O 13. Bd2
Qd7 14. Ne2 e5 15. Rac1 Rac8 16. h3 b6 17. a3 Na5 18. Qa2 e4 19. dxe4 dxe4 20.
b4 Rxc1 {Glud,J (2526)-Beinoras,M (2389) Warsaw 2013 1-0 (61)}) 6... Bd7 7. Nc3
e6 8. Bxd7+ (8. d4 Nf6 9. Bd2 Nc6 10. Rc1 Be7 11. O-O O-O 12. Bd3 Rac8 13. Ne5
Qb8 14. f4 Rfd8 15. Qd1 Bb4 16. Qf3 Be8 17. Be1 Be7 18. Bh4 a6 19. f5 Qd6 20.
fxe6 fxe6 21. Nxc6 Bxc6 22. Bg3 Qd7 {Harika,D (2496)-Frisk,E (2266) Caleta
2015 1-0 (52)}) 8... Nxd7 9. d4 Ngf6 10. Bd2 a6 11. O-O Bd6 12. Rfc1 Qb6 13.
Qc2 Rc8 14. a4 O-O 15. a5 Qc7 16. Qb1 Qb8 17. h3 Rc6 18. b4 Rc4 {Alekhine,
A-Euwe,M Netherlands 1937 1-0 (37)}) (4. cxd5 cxd5 5. Qb3 Nc6 $14) 4... Nf6 5.
Nc3 e6 6. O-O Bd6 7. d4 O-O 8. Nh4 Qc7 9. h3 {Prevents intrusion on g4} Nbd7
10. Nxf5 exf5 11. Bd3 {White threatens to win material: Bd3xf5} Rae8 $2 (11...
g6 $5 $11 {is worth consideration}) 12. cxd5 (12. c5 Be7 13. Bxf5 b6 $16) 12...
Nxd5 13. Bxf5 Nxc3 14. bxc3 h6 $2 (14... g6 15. Bd3 $16) 15. Bd3 (15. e4 $142
$5 {might be the shorter path} Rd8 16. e5 Nxe5 17. dxe5 Bxe5 $18) 15... Re6 (
15... Nf6 16. Qf3 Qe7 17. Rb1 $18) 16. e4 $18 Rfe8 (16... Bh2+ 17. Kh1 Bf4 $18)
17. e5 Be7 (17... Nxe5 18. dxe5 Bxe5 19. Qc2 $18) 18. Bf5 c5 (18... Bd8 {
hardly improves anything} 19. Bxe6 Rxe6 20. f4 $18) 19. Bxe6 fxe6 20. Qg4 Nb6 (
20... Bf8 {does not save the day} 21. Bxh6 Nb6 22. Rad1 $18) 21. Qxe6+ Kh8 22.
d5 Qd7 23. Qxd7 Nxd7 24. f4 Nb6 (24... g6 {doesn't do any good} 25. Kf2 $18)
25. Rd1 (25. d6 {and White can already relax} Bd8 26. Rb1 Kg8 $18) 25... Rd8 (
25... Na4 {is not the saving move} 26. c4 $18) 26. d6 Bf8 27. Be3 Nd7 (27...
Na4 {cannot change what is in store for White} 28. Rdb1 $18) 28. e6 Nf6 (28...
Kg8 {doesn't get the cat off the tree} 29. e7 Re8 30. exf8=R+ Kxf8 31. Bf2 $18)
29. e7 Nd7 (29... Bxe7 {is the last straw} 30. dxe7 Re8 31. Bxc5 Kg8 $18) 30.
exd8=Q Kg8 (30... a6 {doesn't change anything anymore} 31. Qxd7 Kh7 32. Qf5+ g6
33. Qxf8 h5 34. Qf7+ Kh8 35. Bxc5 b6 36. Bd4#) 31. Qxd7 Kh7 (31... a6 {cannot
undo what has already been done} 32. Qe6+ Kh7 33. d7 Kh8 34. d8=Q c4 35. Qxf8+
Kh7 36. Qfg8#) 32. Qf7 h5 (32... b5 {does not solve anything} 33. Qxf8 b4 34.
d7 h5 35. Rd6 bxc3 36. d8=Q c2 37. Qg8#) 33. Rd5 Bxd6 34. Rxh5# 1-0

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "1.5"]
[White "Ono, Yukiko"]
[Black "Tang, Yichen"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1000"]
[BlackElo "1696"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "34"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] B50: Sicilian: 2...d6, Miscellaneous} 1. e4 c5 2. Nc3 d6 3. Bc4
Nf6 (3... e6 4. f4 a6 5. d3 Nf6 6. e5 dxe5 7. fxe5 Nfd7 8. Nf3 Nc6 9. Bf4 Be7
10. Qe2 g5 11. Bg3 g4 12. Nd2 Nd4 13. Qd1 Bh4 14. Qxg4 Nxc2+ 15. Ke2 Bxg3 16.
hxg3 Nxa1 17. Qg7 Rf8 18. Nde4 {Nadj Hedjesi,B (2407)-Ilincic,Z (2447)
Subotica 2010 0-1}) 4. d3 g6 $146 (4... e6 5. Bg5 (5. f4 Be7 6. Nf3 a6 7. a4
Nc6 8. O-O O-O 9. Kh1 Nb4 10. Bb3 Qc7 11. Qe2 Bd7 12. Nd1 b5 13. axb5 axb5 14.
Rxa8 Rxa8 15. c3 Nxd3 16. Bd2 c4 17. Bc2 Bc6 18. e5 Ne4 19. Be3 Rd8 {Elfert,A 
(2369)-Somogyi,Z (2164) Oberwart 2002 0-1 (57)}) 5... Be7 6. f4 (6. Nf3 Nc6 7.
a3 a6 8. O-O h6 9. Bf4 g5 10. Bd2 b5 11. Ba2 Bb7 12. Ne2 d5 13. Ng3 dxe4 14.
dxe4 g4 15. Ne1 h5 16. Bc3 Qxd1 17. Rxd1 h4 18. Ne2 Rg8 19. Bxf6 Bxf6 20. c3
Ne5 {Nikolic,S (2405)-Mariotti,S (2470) Rovigo 1976 0-1 (62)}) 6... O-O 7. Nf3
d5 8. Bb3 d4 9. Bxf6 Bxf6 10. Nb1 Nc6 11. Nbd2 a6 12. O-O b5 13. Kh1 Bb7 14. g4
Na5 15. Qe2 Rc8 16. a4 Qc7 17. axb5 axb5 18. g5 Be7 19. Ne5 {Becker,T (2220)
-Schwing,H (2240) Merzig 1996 0-1 (44)}) (4... Nc6 5. Nge2 e6 6. a4 d5 7. exd5
exd5 8. Bb3 Be7 9. O-O O-O 10. Bf4 Be6 11. Nb5 Rc8 12. c3 Qd7 13. Bc2 a6 14.
Na3 Bg4 15. h3 Bh5 16. Qd2 Rfe8 17. Ng3 Bg6 18. Rfe1 Bd6 19. Bxd6 {Balazs,T 
(2240)-Sapi,L (2300) Hungary 1993 1/2-1/2 (43)}) 5. Nf3 Bg7 6. Be3 Nc6 7. a3 {
Covers b4} O-O 8. Qd2 e6 {Consolidates d5} 9. O-O (9. Bg5 $5 $11 {is
interesting}) 9... d5 $17 10. exd5 (10. Bg5 $5 dxc4 11. e5 $17) 10... exd5 11.
Nxd5 (11. Bxc5 $5 dxc4 12. Bxf8 Kxf8 13. dxc4 Qxd2 14. Nxd2 $17) 11... Nxd5 $19
12. Bg5 (12. Bxc5 Re8 (12... Bxb2 $6 13. Bxf8 Bxa1 14. Rxa1 Kxf8 15. Qh6+ Ke7
16. Re1+ Be6 17. Ng5 $15) 13. Rfe1 Be6 $19 (13... Bxb2 {is much weaker} 14.
Rxe8+ Qxe8 15. Re1 $18)) 12... Qd6 13. c3 (13. Bh6 {does not save the day} Bf5
$19) 13... Re8 14. Rab1 (14. Rae1 {cannot change what is in store for White}
Bf5 $19) 14... Nb6 (14... Bg4 {and Black can already relax} 15. Nh4 Re2 16. Qd1
$19) 15. Bf4 (15. Bb3 {doesn't change the outcome of the game} Bf5 16. Rbd1 Ne5
17. Nxe5 Bxe5 $19 (17... Rxe5 $6 18. Bf4 Nd5 19. Bxe5 Bxe5 20. g3 $19)) 15...
Qd7 (15... Nxc4 $142 {keeps an even firmer grip} 16. dxc4 Qxd2 17. Nxd2 Bf5 $19
) 16. Ne5 (16. Ba2 $19) 16... Nxe5 17. Bxe5 (17. b3 {there is nothing else
anyway} Nbxc4 18. dxc4 Qxd2 19. Bxd2 $19) 17... Bxe5 (17... Bxe5 18. Rbd1 Qa4
$19) 0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "1.6"]
[White "Nakamura, Mitsuru"]
[Black "Chay, Florian"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1644"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "58"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} 1. e4 c5
2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nf6 8. Qd2 Nxd4 9.
Bxd4 O-O 10. O-O-O Bd7 (10... Qa5 11. h4 (11. Kb1 e5 12. Be3 Be6 13. a3 a6 14.
Qxd6 Rfd8 15. Bb6 Rxd6 16. Bxa5 Rc6 17. Be2 Bf8 18. Rd2 b6 19. Bb4 Bxb4 20.
axb4 b5 21. Rhd1 Kg7 22. Rd8 Ra7 23. R1d6 Rxd6 24. Rxd6 Kf8 25. Nd1 Ke7 {
Matsuura,E (2460)-Assumpcao,R (2305) Sao Paulo 2006 1-0 (58)}) 11... Be6 12.
Qg5 Qc7 13. h5 Rfc8 14. hxg6 hxg6 15. Bd3 b5 16. Nd5 Bxd5 17. exd5 b4 18. Rh6
Rab8 19. Rdh1 b3 20. Qh4 Nh5 21. Rxh5 gxh5 22. Bh7+ Kf8 23. Bxg7+ Ke8 24. axb3
Qa5 25. Qa4+ {Yemelin,V (2540)-Kalashnikov,K (2403) St Petersburg 2000 1-0 (41)
}) 11. Kb1 a6 $146 {Controls b5} (11... b5 12. Nxb5 Qb8 13. Qa5 Rc8 14. c4 Qb7
15. Bd3 a6 16. Na3 Rab8 17. Rd2 Bh6 18. Re2 e5 19. Bf2 Be6 20. Rd1 Nd7 21. Ka1
Nc5 22. Bb1 Rc6 23. Bxc5 Rxc5 24. Qa4 Qb6 25. Qc2 Rc6 26. Rd3 {Ioakimidis,G 
(2315)-Skalkotas,N (2370) Thessaloniki 1979 0-1 (38)}) (11... Be6 12. Be2 $16)
12. a3 $16 b5 13. g4 Rb8 14. g5 {White threatens to win material: g5xf6} Ne8
15. Bxg7 Kxg7 (15... Nxg7 $5 {might be a viable alternative} 16. e5 Bc6 17.
exd6 Ne6 $14) 16. h4 $16 b4 (16... Bc6 $5 $16) 17. axb4 $18 Rxb4 (17... Nc7 18.
h5 Rxb4 19. Qh2 $18) 18. Nd5 Ra4 (18... Rb8 19. h5 e6 20. Nf4 $18) 19. Qc3+ (
19. b3 {makes it even easier for White} Ra5 $18) 19... e5 20. Qb3 $4 {what a
pity, victory was in sight} (20. h5 $142 $18 {a shame that White overlooked
this excellent chance}) 20... Qa5 $19 21. c3 (21. Qxa4 {a last effort to
resist the inevitable} Bxa4 22. b3 $19) 21... Ra1+ 22. Kc2 Ba4 23. Rxa1 (23.
Bc4 {cannot change destiny} Bxb3+ 24. Bxb3 Rxd1 25. Rxd1 f6 $19) 23... Bxb3+
24. Kxb3 (24. Kb1 {does not improve anything} Bc2+ $1 {Deflection: a1} 25. Kxc2
Qxa1 $19) 24... Qxa1 25. Bg2 Qa5 26. h5 (26. Bf1 {doesn't get the bull off the
ice} Nc7 27. Bc4 Rb8+ 28. Kc2 Qc5 $19) 26... Nc7 27. h6+ Kh8 28. Nf6 Qb6+ (
28... Rb8+ 29. Kc2 Qa4+ 30. b3 Rxb3 31. Bf1 Ra3+ 32. Kd2 Ra2+ 33. Ke3 Qc2 34.
Rh2 Qxc3+ 35. Bd3 Qd4#) 29. Ka2 Rb8 (29... Rb8 30. b4 Nb5 31. Nd5 Nxc3+ 32. Ka3
Nxd5 33. Rb1 Nxb4 34. Kb3 Nd5+ 35. Kc2 Qxb1+ 36. Kd2 Rb2#) 0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "1.7"]
[White "Dryglas, Maciej"]
[Black "kuramoto, koutarou"]
[Result "1-0"]
[ECO "B23"]
[BlackElo "1622"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "53"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8256] B23: Closed Sicilian: Lines without g3} 1. e4 c5 2. Nc3 d6 3. f4
g6 4. Nf3 Bg7 5. Bc4 Nf6 6. d3 Nc6 7. O-O O-O 8. Qe1 e6 9. f5 exf5 (9... d5 10.
e5 Nxe5 11. Nxe5 dxc4 12. fxg6 hxg6 13. dxc4 Qd4+ 14. Kh1 Nh5 15. Nd3 Qxc4 16.
Be3 b6 17. Nf4 Ba6 18. Rf3 Nxf4 19. Rxf4 Bxc3 20. bxc3 Qe2 21. Qc1 Rad8 22. Rf2
Qg4 23. h3 Qe4 24. Bh6 {Gdanski,J (2537)-Pelletier,Y (2531) Germany 2002 1/2-1/
2 (75)}) 10. Qh4 Ne5 $146 (10... Nd4 11. Bg5 Ne6 12. exf5 Nxg5 13. Nxg5 gxf5
14. Rf3 h6 15. Nh3 d5 16. Bb3 b5 17. Nxb5 Qb6 18. c4 d4 19. Qg3 Ng4 20. Nc7 Be5
21. Nxa8 Bxg3 22. Nxb6 Bxh2+ 23. Kh1 axb6 24. Nf2 Bd6 25. Nxg4 {Ruiz Marana,A 
(2210)-Jimenez Martinez,J (2285) Don Benito 2012 1/2-1/2 (46)}) 11. Bg5 (11.
Nxe5 dxe5 12. Bg5 $11) 11... Be6 (11... h6 $5 {must definitely be considered}
12. Nxe5 hxg5 (12... dxe5 $6 13. Bxh6 f4 14. Bg5 $11) 13. Bxf7+ Rxf7 14. Nxf7
Kxf7 (14... gxh4 $143 15. Nxd8 Rb8 16. Nd5 Nxd5 17. exd5 $11) 15. Qxg5 Bd7 16.
exf5 gxf5 $15 (16... Bxf5 $143 17. g4 Nxg4 18. Qxg4 $16)) 12. exf5 $11 Bxf5 $2
(12... gxf5 $142 {is the best option Black has} 13. Nxe5 dxe5 $14) 13. Nxe5 $18
dxe5 14. Nd5 $1 {Deflection: f6} b5 $4 {the position was bad, and this mistake
simply hastens the end} (14... Nxd5 15. Bxd8 {Deflection Pinning}) 15. Nxf6+
Bxf6 16. Bxf6 Qb6 (16... Qd4+ {is one last hope} 17. Qxd4 exd4 18. Bxb5 Rab8
$18) 17. Rxf5 $1 {Mate attack} bxc4 (17... gxf5 18. Qg3# {Mate attack}) 18. Qh6
$1 {Mate threat} Qxf6 (18... Z0 $140 19. Qg7# {Mate threat}) 19. Rxf6 cxd3 20.
cxd3 (20. Rf3 f6 21. Rxd3 e4 22. Rd7 Rf7 23. Rad1 Raf8 24. Rxf7 Kxf7 25. Qxh7+
Ke6 26. Qd7+ Ke5 27. g3 e3 28. Qd5#) 20... Rad8 21. Raf1 c4 22. dxc4 e4 23. h4
(23. R1f4 e3 24. Rh4 Rd1+ 25. Rf1 Rxf1+ 26. Kxf1 Rd8 27. Qxh7+ Kf8 28. Qh8+ Ke7
29. Re4+ Kd7 30. Rd4+ Kc6 31. Rxd8 Kb6 32. Qf6+ Kc5 33. Qa6 e2+ 34. Kxe2 Kb4
35. Qb5#) 23... Rd7 24. h5 Re7 (24... Rb8 {a fruitless try to alter the course
of the game} 25. hxg6 hxg6 26. R1f4 Rd1+ 27. Kh2 Rd6 28. Rh4 Rxf6 29. Qh8#) 25.
hxg6 hxg6 (25... Rfe8 {is no salvation} 26. Qxh7+ Kf8 27. g7#) 26. Rxg6+ $1 {
Deflection: f7} fxg6 (26... fxg6 27. Rxf8# {Mate attack Clearance Deflection
Pinning}) 27. Rxf8# 1-0

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "2.1"]
[White "Tang, Yichen"]
[Black "Yoshii, Yukihiko"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1696"]
[BlackElo "1750"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "53"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8256] C44: Ponziani Opening and Scotch Gambit} 1. e4 e5 2. d4 exd4 3. c3
dxc3 4. Bc4 d6 (4... Nf6 5. Nxc3 d5 6. Nxd5 Nxd5 7. exd5 Bb4+ 8. Bd2 Bxd2+ 9.
Qxd2 O-O 10. Ne2 Nd7 11. O-O Nf6 12. Nc3 a6 13. b4 Qd6 14. a3 Bd7 15. Qd4 Rfe8
16. Rad1 Re7 17. Be2 Rae8 18. Bf3 h6 19. h3 {Tisdall,J (2420)-Olafsson,H (2515)
Vestmannaeyjum 1985 0-1 (52)}) 5. Nf3 $146 (5. Nxc3 Nd7 (5... Nc6 6. Qb3 Qd7 7.
Nf3 h6 8. O-O Na5 9. Qb4 Nxc4 10. Qxc4 c6 11. h3 Ne7 12. Bf4 {1/2-1/2 (12)
Eberth,Z (2166)-Domany,M (2216) Hungary 2013}) 6. Nf3 Nb6 7. O-O Nxc4 8. Qa4+
c6 9. Qxc4 Be6 10. Qe2 Nf6 11. Bg5 Be7 12. Rfd1 O-O 13. Nd4 Bg4 14. f3 Bd7 15.
e5 dxe5 16. Qxe5 Re8 17. Nf5 Bf8 18. Qg3 Nh5 19. Qg4 Qb6+ {Dunne,A (2300)
-Hjartarson,J (2605) Philadelphia 1997 0-1 (36)}) 5... Be7 6. O-O {White has a
king attack} ({Inferior is} 6. bxc3 Nf6 $15) 6... Nf6 {Black threatens to win
material: Nf6xe4} 7. Nxc3 O-O {Black castles and improves king safety} 8. Bf4
Nc6 9. h3 {Prevents intrusion on g4} h6 {Black has a cramped position} 10. Re1
a6 {Secures b5} 11. e5 dxe5 12. Nxe5 Bd6 13. Nxc6 bxc6 {White has a very
active position} 14. Be3 Bb7 (14... Be6 15. Bxe6 fxe6 16. Bd4 $11) 15. Qb3 {
White threatens to win material: Qb3xb7} Qc8 (15... Bc8 16. Qc2 $11) 16. Na4 {
White has an active position} (16. Bd4 $5 c5 17. Bxf6 gxf6 18. Ne4 Bxe4 19.
Rxe4 $14) 16... Nd7 $14 17. Nc3 (17. Bd3 c5 $14) 17... c5 $11 18. Rad1 Rb8 19.
Qc2 Nf6 (19... Ne5 $142 {and Black could well hope to play on} 20. Bd5 Rd8 $11)
20. Bxh6 $1 $16 {Deflection: f7} gxh6 $4 {simply worsens the situation} (20...
Re8 $142 $16) 21. Qg6+ Kh8 22. Qxf6+ Kg8 23. Re3 Qd8 (23... h5 {does not help
much} 24. Qg6+ Kh8 25. Qxh5+ Kg7 26. Rxd6 Be4 27. Nxe4 Qe6 28. Rg3+ Qg6 29.
Rdxg6+ fxg6 30. Rxg6#) 24. Qg6+ Kh8 25. Qxh6+ (25. Bxf7 $6 {is a bad
alternative} Qg5 26. Qxg5 hxg5 $16) 25... Kg8 26. f4 Bxf4 (26... Qh4 {hardly
improves anything} 27. Qxh4 Bf3 28. Rxf3 Rfe8 29. Qh6 Re3 30. Nd5 Re6 31. Rg3+
Rg6 32. Nf6#) 27. Qxf4 (27. Qxf4 Qd4 28. Rxd4 Be4 29. Qg5+ Kh7 30. Rexe4 Rb6
31. Rh4+ Rh6 32. Rxh6#) (27. Rxd8 $6 {is a weaker possibility} Bxh6 28. Rg3+
Kh7 29. Rxf8 Bxf8 $11) 1-0

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "2.2"]
[White "Nishimori, Toshiyuki"]
[Black "Dryglas, Maciej"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1746"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "82"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] D04: Colle System} 1. d4 c5 2. e3 Nf6 3. Nf3 g6 4. b3 cxd4 5. exd4
Bg7 (5... d5 6. Bb2 Bg7 7. Be2 O-O 8. O-O Nc6 9. c4 dxc4 10. bxc4 Nd7 11. Qc1
Qb6 12. Rd1 e5 13. c5 Qc7 14. d5 Nd4 15. Nxd4 exd4 16. c6 bxc6 17. dxc6 Ne5 18.
Bxd4 Qxc6 19. Qxc6 Nxc6 20. Bxg7 {Vignesh,N (2293)-Neelotpal,D (2445) Kolkata
2013 1/2-1/2 (46)}) 6. Bb2 O-O {Black's piece can't move: c8} 7. Nbd2 $146 (7.
Bd3 Nc6 8. O-O Nb4 9. Be2 Qc7 10. c4 d5 11. a3 Nc6 12. c5 a5 13. Nc3 Rd8 14.
Nb5 Qb8 15. Re1 Ne4 16. Rc1 b6 17. Qc2 bxc5 18. dxc5 e5 19. Nd2 Bf5 20. Nxe4
Bxe4 21. Qd2 d4 {Orekhov,V (2261)-Vasiukov,E (2480) Odintsovo 2011 1/2-1/2 (60)
}) 7... d5 8. Bd3 Nc6 9. Ne5 Nb4 10. Be2 (10. O-O Nxd3 11. Nxd3 Bg4 $15) 10...
Bf5 $17 11. Nd3 Nxd3+ 12. Bxd3 Bxd3 13. cxd3 Qa5 14. O-O Rac8 15. Nf3 Rc7 16.
Qe2 Rfc8 17. Rfc1 e6 18. h3 {Controls g4} (18. Rxc7 Rxc7 19. Rc1 Rxc1+ 20. Bxc1
Qc7 $11) 18... Bh6 19. Rxc7 {White forks: b7+c8} Qxc7 20. g4 (20. Ba3 Qc2 21.
Re1 b6 $15) 20... Qf4 21. Kg2 Bf8 (21... Nxg4 22. b4 (22. hxg4 $4 Qxg4+ 23. Kh1
Qh3+ 24. Kg1 Bf4 $19) 22... Nf6 23. Rb1 $19) 22. Qe1 (22. Qd1 Nd7 $11) 22...
Rc2 {Black threatens to win material: Rc2xb2} (22... Nxg4 $5 23. Rc1 Re8 $17)
23. Bc1 $11 Qc7 24. Bg5 {White threatens to win material: Bg5xf6} Nd7 25. Ne5 (
25. Rc1 $142 $5 {is worthy of consideration} Rxc1 26. Bxc1 $11) 25... Nxe5 $17
26. dxe5 Bc5 27. Rc1 Bd4 (27... Rxa2 $4 {Black will not be able to digest the
pawn} 28. d4 {Deflection: c5} Ra5 29. b4 $18 (29. Rxc5 $6 Rxc5 30. dxc5 Qxc5
$18) (29. dxc5 $6 Rxc5 30. Rxc5 Qxc5 $18)) 28. Bf4 Rxc1 29. Bxc1 Qxe5 30. Qb4
b6 (30... Qf6 $142 31. f4 Bb6 $17) 31. Qe7 $4 {leads to further unpleasantness}
(31. Bh6 $5 Bc5 32. Qa4 $17) 31... Qe2 (31... Qe1 $5 {might be the shorter path
} 32. Qe8+ Kg7 33. Bh6+ Kxh6 34. Qxf7 $19) 32. Qh4 $2 (32. Qd8+ $142 Kg7 33.
Qh4 $19) 32... Qxd3 $19 (32... Qxa2 $6 33. Qd8+ Kg7 34. Qh4 $11) 33. Qe7 (33.
Qg3 {hoping against hope} Qxg3+ 34. Kxg3 $19) 33... Qe2 (33... Qe4+ {seems
even better} 34. Kh2 Qc2 35. Qe8+ Kg7 36. Bh6+ Kxh6 37. Qxf7 Qxf2+ 38. Qxf2
Bxf2 39. Kg2 $19) 34. Qh4 (34. Qe8+ {does not win a prize} Kg7 35. Bh6+ Kxh6
36. Qxf7 $19) 34... Qd3 {Twofold repetition} (34... Qe4+ $142 {and Black has
triumphed} 35. Kg1 Qe1+ 36. Kg2 Qxc1 $19) 35. Qd8+ $4 {letting the wind out of
his own sails} (35. Qe7 $142 $11 {this is the best bet to save the position})
35... Kg7 $19 36. Ba3 Qe4+ 37. Kf1 Bc5 38. Bb2+ (38. Bxc5 {the only chance to
get some counterplay} bxc5 39. g5 $19) 38... e5 39. g5 (39. b4 {does not solve
anything} Bxb4 40. Qg5 d4 $19) 39... Qb1+ 40. Kg2 Qxb2 41. Qf6+ Kg8 (41... Kg8
42. Qd8+ Bf8 43. Qxd5 Qxa2 $19) 0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "2.3"]
[White "Chay, Florian"]
[Black "Aoki, Yasuhiro"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "1721"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "106"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] B08: Pirc Defence: Classical System} 1. e4 d6 2. d4 Nf6 3. Nc3 g6
4. Nf3 Bg7 5. Be2 O-O 6. Be3 (6. Bf4 Bg4 7. h3 Bxf3 8. Bxf3 Nc6 9. e5 Nd7 10.
exd6 cxd6 11. Be3 Nb6 12. Be2 d5 13. Bb5 e5 14. Bxc6 bxc6 15. dxe5 Nc4 16. Bf4
Nxb2 17. Qd4 Nc4 18. O-O f6 19. e6 f5 20. Qd3 Qf6 {Meijers,V (2415)-Krasenkow,
M (2595) Hamburg 1993 0-1 (34)}) 6... c6 (6... a6 7. a4 b6 8. O-O e6 9. Nd2 Bb7
10. Qe1 c5 11. dxc5 bxc5 12. e5 Nd5 13. Nxd5 exd5 14. exd6 Qxd6 15. Bf3 Nc6 16.
g3 Rac8 17. Qd1 Rfd8 18. Rb1 a5 19. Re1 Ba6 20. Bg2 Nb4 21. Bf4 {Lewtak,D 
(2224)-Shomoev,A (2561) Legnica 2013 1-0 (64)}) 7. h3 $146 {Consolidates g4} (
7. a4 a5 8. Nd2 Nbd7 9. O-O Qc7 (9... e5 10. Nc4 Ne8 11. Qd2 Qe7 12. Rad1 f5
13. dxe5 dxe5 14. f3 Ndf6 15. Nb6 Rb8 16. Qd8 Qxd8 17. Rxd8 Nc7 18. Rxc8 Rbxc8
19. Nxc8 Rxc8 20. Bb6 Bf8 21. Rd1 Kg7 22. Bc4 Be7 23. Kf2 Na8 24. Be3 {Bistric,
F (2466)-Terzic,S (2330) Bihac 1999 1-0 (38)}) 10. f4 b6 11. Qe1 Bb7 12. Qh4
Rae8 13. Rf3 c5 14. Raf1 cxd4 15. Nb5 Qxc2 16. Nxd4 Qxb2 17. Rh3 e5 18. fxe5
dxe5 19. Rb1 Qxb1+ 20. Nxb1 exd4 21. Bh6 Rxe4 {Stavru,A (2230)-Manca,F (2390)
Italy 1995 0-1 (31)}) (7. Qd2 Nbd7 8. Bh6 Qc7 9. h4 e5 10. h5 Nb6 11. Bxg7 Kxg7
12. Qg5 h6 13. Qh4 Ng8 14. Qg3 exd4 15. Nxd4 g5 16. O-O-O Qe7 17. f4 f6 18. Bg4
gxf4 19. Qf3 Qe5 20. Bxc8 Nxc8 21. Nf5+ Kh8 {Todor,R (2202)-Lakatos,V (2155)
Slovakia 2012 1-0}) 7... Nbd7 8. Qd2 (8. O-O e5 $16) 8... b5 $14 {Black has a
cramped position} 9. O-O (9. a3 $5 $14 {should be examined more closely}) 9...
b4 $11 {Black threatens to win material: b4xc3} 10. Na4 Nxe4 11. Qxb4 {Black
has a cramped position. Black's piece can't move: c8} Rb8 12. Qe1 c5 13. Nd2 (
13. Bd3 $142 $5 {looks like a viable alternative} Bb7 14. Rb1 $15) 13... cxd4
$17 14. Bf4 $2 (14. Nxe4 $5 dxe3 15. fxe3 $17) 14... Nxd2 (14... Bb7 15. Bd3
Nef6 16. Nc4 $19) 15. Qxd2 Bb7 16. Bd3 (16. Bg5 Qc7 17. b3 Nf6 $19) 16... Bc6
17. b3 Bxa4 (17... e5 18. Bg5 Qc7 19. Rae1 $19) 18. bxa4 Nc5 19. Bb5 (19. Rab1
Qd7 $19) 19... Ne4 (19... e5 $5 {and Black can already relax} 20. Bg3 $19) 20.
Qd3 Nc3 21. Bd2 Qc7 (21... Rc8 $5 22. Bxc3 Rxc3 23. Qe2 $19) 22. Rfe1 e6 23.
Bxc3 Qxc3 (23... dxc3 24. Rab1 d5 $17) 24. Rab1 $2 (24. Qxc3 $142 $5 dxc3 25.
Rab1 $17) 24... Rbc8 25. Re2 Rc5 (25... Qc7 26. Qg3 $19) 26. Rb3 (26. Qxc3 $5
Rxc3 27. Rb3 Rc5 $19) 26... Qa1+ $19 27. Kh2 Be5+ 28. g3 h5 (28... a6 29. Bxa6
Qxa2 30. Bb5 $17) 29. Kg2 $17 Rc3 (29... h4 $5 $17) 30. Rxc3 Qxc3 31. f4 Qxd3
32. cxd3 ({Weaker is} 32. Bxd3 Bf6 $17) 32... Bf6 33. Kf3 (33. Rc2 Bd8 $15)
33... e5 (33... Rc8 $142 $5 $17) 34. g4 hxg4+ 35. hxg4 Rc8 36. Bc4 Rc5 37. f5 (
37. Rb2 d5 38. Rb8+ Kg7 $11) 37... d5 $15 38. Bb3 gxf5 39. gxf5 Kg7 40. Rg2+
Kh6 41. Kg4 e4 {Black threatens to win material: e4xd3} 42. Rh2+ Kg7 43. dxe4
$2 (43. Rc2 $142 {and White can hope to survive} Rxc2 44. Bxc2 exd3 45. Bxd3
$11) 43... dxe4 $17 44. Rc2 $4 {shortens the misery for White} (44. Re2 $142 e3
45. Kf4 $17) 44... Rxc2 $19 45. Bxc2 d3 46. Bb1 Be5 47. Kh3 Kf6 48. Kg4 Bd6 49.
a3 Ke5 50. Kg3 (50. Kh5 {cannot undo what has already been done} Kd4 51. a5 e3
52. Kg5 e2 53. Ba2 d2 54. Bb3 e1=Q 55. Kf6 Qe5+ 56. Kxf7 d1=Q 57. Bxd1 Qxf5+
58. Kg7 Bf8+ 59. Kg8 Qf6 60. Bf3 Qg7#) 50... Kd4+ 51. Kf2 (51. Kg2 {doesn't
get the cat off the tree} e3 52. a5 d2 53. f6 d1=Q 54. a4 e2 55. Kh3 e1=Q 56.
Be4 Qg3#) 51... e3+ 52. Ke1 (52. Kf3 {doesn't change anything anymore} e2 53.
Kf2 Bg3+ 54. Kxg3 e1=Q+ 55. Kf3 Qf1+ 56. Kg4 Qxb1 57. a5 Qg1+ 58. Kh4 Ke4 59.
f6 Kf4 60. a4 Qg4#) 52... Bg3+ 53. Kd1 (53. Kf1 {is not much help} e2+ 54. Kg2
e1=Q 55. f6 Qf2+ 56. Kh3 Qf3 57. Bxd3 Be5+ 58. Kh4 Bxf6#) 53... e2+ (53... e2+
54. Kc1 Kc3 55. Bc2 dxc2 56. a5 e1=Q#) 0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "2.4"]
[White "Honda, Yoshiki"]
[Black "Sugimoto, Koichi"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1848"]
[BlackElo "1872"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "44"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] B23: Closed Sicilian: Lines without g3} 1. e4 c5 2. Nc3 Nc6 3. f4
g6 4. Nf3 Bg7 5. Bc4 e6 6. d3 Nge7 7. f5 (7. a3 d5 8. Ba2 dxe4 9. Nxe4 (9. dxe4
Qxd1+ 10. Nxd1 O-O 11. c3 {1/2-1/2 (11) Nabelek,M (2270)-Pulpan,J (2300)
Czechia 2015}) 9... O-O 10. h4 h5 11. g4 hxg4 12. Nfg5 Nd5 13. h5 f6 14. Qxg4
fxg5 15. hxg6 gxf4 16. Qh3 Rf5 17. Bxf4 Rxf4 18. O-O-O e5 19. Qh7+ Kf8 20. Rdf1
Be6 21. Nxc5 Bg8 {Nevednichy,V (2582)-Georgiev,K (2661) Novi Sad 2000 0-1})
7... d5 8. Bb3 O-O $146 (8... b5 9. Bg5 (9. exd5 exd5 10. f6 Bxf6 11. a3 c4 12.
Ba2 Qb6 13. dxc4 bxc4 14. Nxd5 Nxd5 15. Qxd5 Be6 16. Qe4 O-O 17. Be3 Qxb2 18.
O-O Qxa3 19. Rae1 Qxa2 20. Qxc6 Bc3 21. Nd4 Rae8 22. Re2 Bg4 23. Nf3 Re6 {
Ramsingh,Y (2196)-Larrea,M (2278) Turin 2006 0-1 (38)}) 9... Bxc3+ 10. bxc3 c4
11. f6 Ng8 12. exd5 exd5 13. a4 cxb3 14. axb5 b2 15. Rb1 h6 16. Bh4 g5 17. Qe2+
Be6 18. Bg3 Nb8 19. O-O Nxf6 20. Be5 Nbd7 21. Bd4 Rg8 22. Rxb2 Rg6 23. Ra2 {
Odinaev,T (2267)-Dolgalev,S (2268) Kemerovo 2007 1-0 (45)}) (8... dxe4 9. f6
Bxf6 10. Nxe4 Bg7 11. Bg5 f5 12. Bf6 Bxf6 13. Nxf6+ Kf7 14. Nxh7 Rxh7 15. Ng5+
Kg7 16. Nxh7 Kxh7 17. Qd2 Qf8 18. Qf2 Nd4 19. O-O Bd7 20. Rae1 Qf6 21. c3 Nxb3
22. axb3 Rc8 23. Re3 {Veltkamp,G (2205)-Kahn,E (2380) Budapest 1996 0-1 (47)})
(8... dxe4 9. f6 Bxf6 10. Nxe4 $17) 9. O-O (9. fxg6 fxg6 10. O-O h6 $11) 9...
d4 {Black wins space} (9... dxe4 10. f6 Bxf6 11. dxe4 $15) 10. Ne2 (10. fxg6 $5
dxc3 11. gxh7+ Kh8 12. bxc3 $11) 10... exf5 $17 11. Qe1 fxe4 12. dxe4 (12. Ng5
Nf5 13. Nxf7 Rxf7 14. Bxf7+ Kxf7 15. dxe4 Kg8 16. exf5 Bxf5 $15) 12... d3 (
12... b5 13. a4 c4 14. Ba2 $17) 13. cxd3 $17 Qxd3 14. Ng5 $2 (14. Bf4 $142 $5
$17) 14... c4 $19 15. Nf4 $6 {doesn't do very much to defend the position} (15.
Ba4 h6 16. Nf3 Qxe4 17. Bd2 $19) 15... Qd4+ (15... Qd6 $142 {it becomes clear
that Black will call all the shots} 16. e5 Nxe5 $19) 16. Be3 $17 Qe5 {Black
threatens to win material: Qe5xg5} 17. Qh4 $2 (17. Nf3 $142 Qb5 18. Qe2 $15)
17... h6 $19 18. Nxf7 Qxe4 (18... Kxf7 $4 {capturing the knight loses} 19. Nd3+
Qf6 20. Rxf6+ Bxf6 21. Bxc4+ Ke8 22. Qxh6 $18) (18... Rxf7 {succumbs to} 19.
Bxc4 g5 20. Bxf7+ Kh7 21. Qg3 gxf4 22. Rxf4 Qxb2 23. Raf1 $11) 19. Nxh6+ Bxh6
20. Bxc4+ $4 {the pressure is too much, White crumbles.} (20. Qxh6 $142 Qxe3+
21. Kh1 cxb3 22. Qxf8+ Kxf8 23. Nd5+ Kg7 24. Nxe3 bxa2 25. Rxa2 $19) 20... Kh7
21. Nxg6 (21. Bc5 {what else?} Qxc4 22. Rac1 $19) 21... Qxe3+ 22. Kh1 Nxg6 (
22... Nxg6 23. Qe1 Bf5 $19) 0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "2.5"]
[White "kuramoto, koutarou"]
[Black "Furuse, Mizuki"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "1622"]
[BlackElo "1564"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "71"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th
moves} 1. e4 g6 2. c4 Bg7 3. d4 d6 4. Nc3 Nf6 5. Nf3 O-O 6. Be2 e5 7. d5 a5 8.
O-O Nbd7 9. Bd2 $146 (9. Ne1 Nc5 (9... Ne8 10. Be3 f5 11. f3 f4 12. Bf2 Qg5 13.
Nd3 Ndf6 14. c5 Rf7 15. cxd6 Nxd6 16. Qb3 Bh3 17. Ne1 Raf8 18. Bd3 Bc8 19. Bc5
Nfe8 20. Rc1 Qd8 21. Rf2 Kh8 22. Rfc2 b6 23. Ba3 Rg8 24. Bb5 {Tokaji,N (2260)
-Fuesthy,Z (2200) Budapest 1983 1-0 (40)}) 10. Bg5 h6 11. Bxf6 Qxf6 12. Nd3 Qe7
13. Nxc5 dxc5 14. Qd2 f5 15. Rad1 Ra6 16. Nb5 fxe4 17. d6 cxd6 18. Nxd6 Kh7 19.
Nxe4 Bf5 20. Bf3 a4 21. Qe3 Rb6 22. Rd2 Bxe4 23. Bxe4 Rd8 {Stahlberg,G-Najdorf,
M Buenos Aires 1947 1-0 (36)}) (9. Qc2 b6 (9... h6 10. a3 Nh7 11. Rb1 f5 12. b4
axb4 13. axb4 f4 14. Ne1 Nhf6 15. Nd3 h5 16. c5 Ne8 17. f3 Ndf6 18. b5 b6 19.
cxb6 cxb6 20. Nb4 Nd7 21. Nc6 Qf6 22. Bb2 Nc5 23. Ra1 Rxa1 24. Rxa1 {Nugumanov,
B (2279)-Korchmar,V (2236) Samara 2012 1-0 (33)}) 10. Bg5 h6 11. Bh4 g5 12. Bg3
Nh5 13. Nd2 Nf4 14. Bg4 h5 15. Bf5 h4 16. Bxf4 exf4 17. Nf3 Nc5 18. h3 Qf6 19.
Rad1 Ba6 20. Qe2 Rfe8 21. Nd4 Re7 22. b3 Rae8 23. Qg4 Kf8 {Timman,J (2510)
-Bronstein,D (2590) Teeside 1975 1-0 (35)}) 9... Ne8 (9... Nc5 10. Qc2 $11) 10.
Be3 Nc5 11. a3 {Black has a cramped position} f5 {Black threatens to win
material: f5xe4} 12. Nd2 (12. exf5 Bxf5 13. Ng5 Nf6 $14) 12... f4 $11 {Black
gets more space} 13. Bxc5 dxc5 14. b4 (14. Bg4 $5 $11) 14... axb4 $15 15. axb4
Rxa1 16. Qxa1 cxb4 17. Nb5 (17. Na4 Qe7 $15) 17... Nd6 (17... c6 18. Na7 Bd7
19. dxc6 bxc6 $17) 18. c5 $2 (18. Na7 f3 19. Bxf3 Bh6 $15) 18... Nxb5 $4 {
a transit from better to worse} (18... f3 $142 {and Black gets the upper hand}
19. Nxf3 Nxb5 (19... Nxe4 $6 20. Qa4 $17) 20. Bxb5 Rxf3 21. gxf3 Bh3 $19) 19.
Bxb5 $15 g5 (19... f3 20. g3 $11 (20. Nxf3 $2 Rxf3 21. gxf3 Bh3 $19)) 20. Nc4 {
[%cal Yc5c6] White prepares the advance c6} (20. Qb2 $5 $14 {should be
considered}) 20... g4 21. Qd1 {[%cal Yd5d6] White intends d6} (21. Rd1 $11)
21... f3 (21... g3 $142 $5 {is an interesting idea} 22. hxg3 fxg3 23. fxg3
Rxf1+ 24. Qxf1 Bf8 25. Nxe5 Bxc5+ 26. Kh2 b3 $11) 22. g3 $14 Qg5 23. c6 (23.
Qb3 $5 $14 {is an interesting alternative}) 23... Qh5 (23... bxc6 $5 24. Bxc6
Qh6 $17) 24. d6 $11 {White threatens to win material: d6xc7} Qh3 {Black has a
mate threat} 25. Ne3 bxc6 $4 {forfeits the advantage} (25... Bh6 26. Qd5+ Kg7
27. Qxe5+ (27. cxb7 $4 {is not to be advocated because of the following mating
combination} Bxe3 28. Qxe5+ Kh6 29. Qh5+ Kxh5 30. Be8+ Rxe8 31. bxc8=Q Qg2#)
27... Kg6 28. d7 (28. dxc7 {leads to a non-trivial mate} Bxe3 29. Qd6+ Kh5 30.
Qd5+ Bg5 31. Qf7+ Rxf7 32. cxb7 Qg2#) 28... Bxd7 29. cxd7 Bxe3 30. Qe8+ Rf7 31.
Qe6+ Kg7 32. Qe5+ Kh6 33. Qe6+ Kg7 34. Qe5+ Kh6 35. Qe6+ Kg7 $11) 26. Bxc6 (26.
Bc4+ $5 {keeps an even firmer grip} Kh8 27. d7 Bxd7 28. Qxd7 Bf6 $18) 26... Be6
$4 {with this move Black loses his initiative} (26... Bh6 27. Qd5+ Kg7 28.
Qxe5+ (28. dxc7 {is refuted with a beautiful mate} Bxe3 29. Qxe5+ Kh6 30. Qd6+
Kh5 31. Qe5+ Bg5 32. Be8+ Kh6 33. Qd6+ Rf6 34. Qf8+ Rxf8 35. Rd1 Qg2#) 28...
Rf6 29. Qe7+ (29. dxc7 {leads to a pleasing mate} Bxe3 30. Qe7+ Rf7 31. Qe5+
Kg6 32. Qd6+ Kg5 33. Qd5+ Bf5 34. Qd8+ Rf6 35. Qxf6+ Kxf6 36. e5+ Kxe5 37. Bxf3
gxf3 38. c8=Q Qg2#) 29... Rf7 30. Qe5+ Rf6 31. Qe7+ (31. dxc7 {misses a pretty
mating combination} Bxe3 32. Qe7+ Rf7 33. Qe5+ Kg6 34. Qd6+ Kg5 35. Qd5+ Bf5
36. Qd8+ Rf6 37. Qxf6+ Kxf6 38. e5+ Kxe5 39. Bxf3 gxf3 40. c8=Q Qg2#) 31... Rf7
32. Qe5+ Rf6 $11) 27. dxc7 (27. Bd5 $142 {secures the win} Qh6 28. dxc7 $18)
27... Bh6 $11 28. Qd2 Qg2+ 29. Nxg2 Bxd2 30. Rd1 $4 {releasing the pressure on
the opponent} (30. Bd5 Bxd5 31. exd5 fxg2 $14) 30... Bg5 $4 {throwing away the
advantage} (30... Rc8 $142 {Black missed this excellent chance} 31. Rxd2 Rxc7
$19) 31. Ne3 $11 Rc8 32. Bd7 (32. Bd5 $5 {is worth looking at} Bf7 33. Bxf7+
Kxf7 34. Nd5 $14) 32... Bxd7 $15 33. Rxd7 b3 {He broke from his leash} 34. Nc4
{White threatens to win material: Nc4xe5} (34. Nxg4 b2 35. Rd1 Rxc7 36. Nxe5
Rc1 37. Nxf3 Rxd1+ 38. Kg2 Bc1 39. e5 b1=Q 40. Nd4 Rxd4 41. e6 Qe4+ 42. Kh3 Rd5
43. g4 Bg5 44. Kg3 Rd3+ 45. f3 Qxf3#) 34... Ra8 $4 {ignoring the path to
victory} (34... Kf8 35. h3 (35. Nxe5 b2 36. Rd1 Bc1 37. Rd8+ Ke7 38. Nc6+ Kf7
39. Ne5+ Ke6 40. Rxc8 b1=Q 41. Re8+ Kd6 42. Nxf3 gxf3 43. Rd8+ Kxc7 44. Rd1 Qc2
45. Rf1 Bb2 46. h4 Bd4 47. g4 Qxe4 48. Kh1 Qxg4 49. Rc1+ Kd6 50. Rc6+ Kxc6 51.
Kh2 Qg2#) (35. Rxh7 Bf6 36. Rd7 Be7 $17) 35... Be7 36. Nb2 $15) 35. Rd1 (35. h4
$142 {and White can celebrate victory} gxh3 36. Nb6 $18) 35... Rc8 $11 36. Rd7
(36. Nxe5 $2 {is no good because of} Rxc7 37. Nd3 Rc3 $19) 1/2-1/2

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "2.6"]
[White "Okimura, Mikiko"]
[Black "Nakamura, Mitsuru"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1000"]
[BlackElo "1644"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "76"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8256] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6
3 Bf4} 1. d4 d5 2. Nf3 c6 3. g3 Nf6 4. Bg2 e6 5. O-O Be7 (5... b6 6. c4 Ba6 7.
cxd5 exd5 8. Nc3 Be7 9. Ne5 O-O 10. Rb1 Bb7 11. b4 a6 12. a4 Nbd7 13. a5 Nxe5
14. dxe5 Nd7 15. f4 bxa5 16. bxa5 Rb8 17. Qa4 Nc5 18. Qa2 Qc7 19. Be3 Ba8 20.
h3 {Amura,C (2313)-Contin,D (2349) San Luis 2013 0-1 (33)}) 6. c4 dxc4 {
Black has new doubled pawns: c4+c6} (6... b6 7. Nc3 Nbd7 8. Ne5 Bb7 9. e4 dxe4
10. Nxe4 Nxe4 11. Bxe4 Nxe5 12. dxe5 Qc7 13. Qf3 O-O 14. Bf4 Rfd8 15. Rfd1 h6
16. h4 Rab8 17. Qg4 Kf8 18. h5 c5 19. Qf3 Bxe4 20. Qxe4 Kg8 21. Kg2 {Cosma,I 
(2475)-Navrotescu,C (2440) Bucharest 1998 1-0 (58)}) 7. Qc2 $146 (7. Ne5 Nbd7 (
7... O-O 8. Nc3 a6 9. a4 Nbd7 10. Nxc4 Nd5 11. a5 b5 12. axb6 N7xb6 13. Na5 Qc7
14. e4 Nf6 15. Bf4 Qd7 16. Qb3 Bd8 17. Rfc1 Nh5 18. Be3 Rb8 19. e5 Bc7 20. Nxc6
Rb7 21. Na5 Rb8 22. Nc6 {Araque,R (2388)-Mateus,M (2226) Cali 2001 1-0 (41)})
8. Nxc4 O-O 9. e4 b5 10. Ne3 Bb7 11. Nc3 Nb6 12. e5 Nfd5 13. Qg4 Nxc3 14. bxc3
Kh8 15. Be4 Nd5 16. Qh3 f5 17. exf6 Nxf6 18. Bc2 c5 19. Qxe6 cxd4 20. cxd4 Rc8
21. Bb2 Bb4 {Laszlo,D (2290)-Sallay,R (2300) Budapest 1973 1-0 (35)}) (7. Ne5
O-O $14) 7... b5 8. a3 {Covers b4} (8. b3 $5 cxb3 9. axb3 $11) 8... Bb7 9. Nbd2
Qb6 10. Re1 (10. b3 $5 {must be considered} cxb3 11. Nxb3 $11) 10... Nbd7 $17
11. e4 (11. a4 O-O $17) 11... O-O 12. e5 Nd5 13. b3 cxb3 14. Nxb3 Rac8 15. Bb2
a5 16. Rac1 a4 17. Nbd2 (17. Nc5 $5 Rfd8 18. Nd2 $17) 17... c5 18. Qd1 (18. Ne4
c4 $19) 18... c4 $19 19. Nf1 $4 {but even a better move would not have saved
the game} (19. Ne4 $142 $19) 19... c3 20. Ba1 Bxa3 21. Rc2 Be7 (21... b4 $142 {
might be the shorter path} 22. Ng5 h6 23. Bxd5 Bxd5 $19) 22. Qd3 (22. Ne3 {
otherwise it's curtains at once} b4 23. Nh4 Nxe3 24. Rxe3 $19) 22... Nb4 23.
Qd1 Nxc2 24. Qxc2 Qa5 (24... b4 $142 $5 {seems even better} 25. Qxa4 b3 26. Rb1
$19) 25. Ne3 b4 26. Qe2 (26. Rc1 {the last chance for counterplay} Qa8 27. Qd1
$19) 26... Ba6 27. Qd1 b3 28. Bf1 b2 29. Bxb2 (29. d5 {doesn't do any good} c2
30. Nxc2 Rxc2 $19) 29... cxb2 30. Nd2 Rc1 31. Nec4 Bxc4 32. Nxc4 Qc3 (32...
Qxe1 $142 {makes it even easier for Black} 33. Qxe1 Rxe1 34. Nxb2 $19) 33. Qd3
Qxe1 34. Kg2 b1=Q 35. Ne3 Qxd3 36. Kf3 (36. Bxd3 {doesn't improve anything} a3
37. Bb5 a2 38. Bd3 a1=Q 39. Ng4 Qxd4 40. Nh6+ gxh6 41. f4 Qxd3 42. Kh3 h5 43.
Kg2 Qef1#) 36... Qdxe3+ $1 {Mate attack} 37. fxe3 (37. fxe3 Qxf1+ {Mate attack}
) 37... Qxf1+ 38. Kg4 Qf5# 0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "2.7"]
[White "Yajima, Machiko"]
[Black "Ito, Katsuhide"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1469"]
[BlackElo "1448"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "96"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] A00: Irregular Openings} 1. g3 Nc6 (1... d5 2. c4 dxc4 3. Qa4+ c6
4. Qxc4 g6 5. Bg2 Bg7 6. Nf3 Nf6 7. O-O O-O 8. d3 h6 9. Nc3 Be6 10. Qb4 b6 11.
Qa4 a5 12. Bd2 b5 13. Qc2 Na6 14. Qc1 Kh7 15. Qe1 Nb4 16. Rc1 {Abravanel,C 
(2320)-Avshalumov,A (2480) Paris 1992 1/2-1/2 (61)}) 2. Bg2 d5 $146 (2... h5 3.
Nf3 e5 4. d3 Be7 5. h3 (5. c4 h4 6. gxh4 Bxh4 7. Nc3 d6 8. Nd5 Nge7 9. Be3 Nf5
10. Qd2 Nxe3 11. Qxe3 Be6 12. Nxh4 Rxh4 13. O-O-O Nd4 14. Kb1 Bxd5 15. Bxd5 c6
16. Be4 Qf6 17. Rdf1 O-O-O 18. Qd2 Rdh8 19. e3 Ne6 {Rabeler,G (2355)-Sell,A 
(2280) Germany 1999 1-0 (41)}) 5... d5 6. c3 Be6 7. Qa4 Qd7 8. b4 f6 9. b5 Nd8
10. Nbd2 a6 11. Rb1 Nh6 12. Ba3 Nf5 13. Bxe7 Nxe7 14. O-O h4 15. g4 Ng6 16. e3
Nf7 17. c4 {Porth,H (2188)-Sell,A (2251) Norderstedt 2000 1/2-1/2 (32)}) (2...
d6 3. d4 e5 4. dxe5 dxe5 5. Qxd8+ Nxd8 6. Nc3 Bc5 7. Nf3 f6 8. Nd2 Ne6 9. Nb3
Bb6 10. Na4 Ne7 11. Bd2 Nf5 12. e3 Nd6 13. Bb4 Nf7 14. O-O-O Nfd8 15. Na5 Bxa5
16. Bxa5 Bd7 17. b3 {Jurkovic,A (2326)-Mestrovic,Z (2456) Nova Gorica 2000 1/
2-1/2 (53)}) 3. c3 {Covers b4+d4} (3. Nf3 Nf6 $11) 3... e5 $15 4. Nh3 (4. d4
Nf6 $15) 4... h6 {White has a cramped position. White's piece can't move: c1} (
4... Nf6 5. O-O $17) 5. O-O {White has a cramped position. White's pieces
can't move: c1+h3} Nf6 (5... Be6 6. f3 Nf6 7. d4 $17) 6. d3 {Secures e4} (6. d4
$5 $15 {deserves consideration}) 6... Bc5 $17 7. b4 Bb6 8. e3 {Controls d4} (8.
b5 $5 Na5 9. d4 $17) 8... O-O 9. a4 a6 10. Na3 Re8 11. Bb2 (11. a5 Ba7 $17)
11... e4 (11... Bg4 $142 $5 12. f3 Bxe3+ 13. Nf2 Be6 $19) 12. c4 (12. d4 $142
$17) 12... Ng4 $4 {Black lets it slip away} (12... Bxh3 $142 $5 13. Bxh3 Nxb4
$17) 13. Nf4 {White threatens to win material: Nf4xd5} (13. cxd5 Qxd5 14. Nf4
$16) 13... Nxb4 $11 14. d4 (14. dxe4 dxe4 15. Qxd8 Rxd8 16. Bxe4 c6 $11) 14...
c5 (14... a5 15. c5 Ba7 16. Nc2 $17) 15. Bc3 (15. dxc5 $142 Bxc5 16. cxd5 $11)
15... Nc6 $4 {Black has let it slip away} (15... cxd4 16. Bxd4 Bxd4 17. Qxd4
$17) 16. Nxd5 $4 {White loses the upper hand} (16. cxd5 $142 $5 Nb4 17. Nc4 $18
) 16... Ba5 (16... cxd4 17. Bxd4 Nxd4 18. Nxb6 Ne2+ 19. Qxe2 Qxb6 20. Nc2 $11)
17. h3 (17. dxc5 $5 Nge5 18. Bxe4 Bxc3 19. Nxc3 $11) 17... Bxc3 $11 18. Nxc3
cxd4 {Black forks: c3+e3} 19. Nd5 (19. exd4 $142 {would allow White to play on}
Nf6 20. d5 $11) 19... Nf6 $17 20. Qc2 $2 (20. exd4 Nxd5 21. cxd5 Qxd5 $17)
20... Qa5 $4 {hands over the advantage to the opponent} (20... Nxd5 $142 {
and Black wins} 21. cxd5 Qxd5 22. exd4 Nxd4 $19) 21. Nxf6+ $17 gxf6 22. Bxe4 f5
{Black threatens to win material: f5xe4} (22... Bxh3 23. Bd5 Ne7 24. Bg2 Bxg2
25. Kxg2 dxe3 26. fxe3 $19) 23. Bd5 {A classical outpost} (23. Bxc6 bxc6 24.
exd4 f4 $11) 23... Nb4 {Black threatens to win material: Nb4xc2. Black forks:
d5+c2} (23... dxe3 24. Qe2 exf2+ 25. Qxf2 Nb4 $17 (25... Qxa4 $143 26. Nb5 axb5
27. Rxa4 bxa4 28. g4 $16)) 24. Qd2 $11 {White threatens to win material: Qd2xd4
} Be6 (24... dxe3 25. fxe3 Qc5 26. Qd4 $11) 25. Qxd4 {Black king safety
dropped.} (25. exd4 $142 $5 Bxd5 26. cxd5 $16) 25... Rad8 26. e4 (26. Qc3 Bxd5
27. cxd5 Rxd5 $14) 26... Nc6 (26... fxe4 $5 27. Qf6 Bxd5 28. cxd5 Nd3 $17) 27.
Qb2 (27. Qf6 fxe4 28. Nb5 Nb4 29. Bxe4 axb5 30. Qxh6 f5 (30... bxa4 31. Bh7+
Kh8 32. Rae1 $18) (30... bxc4 31. Bh7+ Kh8 32. Rae1 $18) 31. Qg5+ Kh8 32. axb5
Qc7 33. Bxf5 Bxf5 (33... Qxc4 $4 {That pawn is poisoned} 34. Rfc1 Qd5 35. Rc7
$18) (33... Bxc4 $4 {that pawn is deadly bait and will cause Black grave
problems} 34. Rac1 Nd3 35. Qh4+ Kg8 36. Bxd3 Rxd3 37. Rxc4 $18) 34. Qf6+ Qg7
35. Qxf5 Nd3 $11) 27... fxe4 $15 28. Bxe4 Qe5 (28... Bxh3 $142 {would keep
Black in the game} 29. Bg2 Bxg2 30. Kxg2 Re7 $15) 29. Qxe5 $16 Nxe5 {[%cal
Re5c4,Re6c4,Ga3c4] Attacks the isolani on c4} 30. Bxb7 Bxh3 31. Rfc1 Nd3 {
Black threatens to win material: Nd3xc1} 32. Rc3 Nc5 {Black threatens to win
material: Nc5xb7. Black forks: a4+b7} 33. Nc2 $4 {not a good decision, because
now the opponent is right back in the game} (33. Bd5 $142 $14 {is the best
chance}) 33... Nxb7 $19 34. c5 Na5 35. Ne3 (35. c6 Rc8 36. Kh2 Bg4 $19) 35...
Nc6 36. Kh2 Bc8 37. Rc4 $2 (37. Rb1 Rd2 38. Kg2 Ra2 $19) 37... Ne5 (37... Rd2 {
might be the shorter path} 38. Kg1 Nd4 39. Nf1 $19) 38. Rf4 (38. Rc2 {is no
salvation} Re6 $19) 38... Rd2 (38... Nd3 {and Black can already relax} 39. Rf3
$19) 39. Kg1 Nd3 (39... Be6 {makes it even easier for Black} 40. Nf5 $19) 40.
Rf3 (40. Rd4 Bb7 41. g4 $19) 40... Bb7 41. Rf6 (41. Nf1 {is not much help} Bxf3
42. Nxd2 Bd5 $19) 41... Re6 42. Nc4 (42. Rxe6 {doesn't change anything anymore}
fxe6 43. Rb1 Nxc5 $19) 42... Rde2 (42... Ra2 43. f3 Rxa1+ 44. Kg2 Re2+ 45. Kh3
Nf2+ 46. Kg2 Ne4+ 47. Kh3 Bc8+ 48. Rf5 h5 49. fxe4 Rh1#) 43. Rxe6 Rxe6 44. Nd6
Bc6 (44... Ba8 {keeps an even firmer grip} 45. Nf5 $19) 45. Rb1 (45. Nf5 {
doesn't do any good} Re5 46. Nd4 Rxc5 47. Nxc6 Rxc6 $19) 45... Nxc5 46. Rb8+ (
46. Nf5 {is not the saving move} Be4 47. Rc1 Nxa4 $19 (47... Bxf5 $143 48. Rxc5
Be4 49. Kh2 $19)) 46... Kg7 (46... Kh7 $142 {seems even better} 47. Rb1 Rxd6
$19) 47. Nc4 (47. Nf5+ {is still a small chance} Kf6 48. Ne3 $19) 47... Re1+
48. Kh2 Rh1# 0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "3.1"]
[White "Aoki, Yasuhiro"]
[Black "Tang, Yichen"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1721"]
[BlackElo "1696"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "45"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8256] A29: English Opening: Four Knights Variation with 4 g3} 1. c4 e5
2. Nc3 Bc5 3. Nf3 Nc6 4. g3 Nf6 5. Bg2 O-O 6. O-O d6 7. d3 Be6 8. a3 a6 9. b4
Ba7 10. Rb1 $146 (10. Nd2 Rb8 11. Rb1 Ne7 12. a4 Qd7 13. b5 Bh3 14. Ba3 h6 15.
e3 Bxg2 16. Kxg2 Bc5 17. Bxc5 dxc5 18. Nf3 Qe6 19. e4 c6 20. Qb3 Rbd8 21. bxa6
bxa6 22. Qc2 Ng6 23. Ng1 Rb8 24. a5 Nd7 {Carlsen,M (2802)-Adams,M (2723)
London 2010 1-0 (49)}) 10... Rb8 11. Qc2 Qd7 12. Ng5 Bf5 13. Nge4 (13. e3 $142
$11) 13... Bd4 $4 {weakening the position} (13... Nxe4 $142 {saving the game}
14. dxe4 Nd4 $11) 14. Nxf6+ $18 gxf6 15. Nd5 Qd8 16. Bh6 Re8 17. e3 Ba7 18. Qe2
(18. b5 Na5 19. f4 axb5 20. fxe5 Rxe5 21. Rxb5 c6 22. Rxf5 Rxf5 $18) 18... Bg6
(18... Kh8 19. f4 $18) 19. Rbd1 Ne7 (19... Kh8 20. h4 Ne7 21. Nxe7 (21. Nxf6
$143 Nf5 22. Nxe8 Nxh6 $16) 21... Qxe7 22. e4 $18) 20. Nxf6+ Kh8 21. Nxe8 Nf5 (
21... Qxe8 {a fruitless try to alter the course of the game} 22. Bg5 $18) 22.
Nxc7 $1 {the knock-out blow} Qxc7 23. Bg5 1-0

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "3.2"]
[White "Sugimoto, Koichi"]
[Black "Dryglas, Maciej"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1872"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "72"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8256] D00: 1 d4 d5: Unusual lines} 1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3
Bg4 5. Be2 (5. c3 e6 6. Qb3 Qc8 7. Nbd2 Nf6 8. Ne5 Be7 9. Nxg4 Nxg4 10. Be2 Nf6
11. O-O O-O 12. dxc5 Bxc5 13. Bg5 Nd7 14. Rac1 Qc7 15. Rfd1 Bd6 16. Nf3 Nde5
17. Nd4 Na5 18. Qc2 a6 19. e4 Ng6 {Kramnik,V (2785)-Gelfand,B (2736) Moscow
2007 1-0}) 5... e6 6. c3 (6. O-O Bxf3 7. Bxf3 cxd4 8. e4 dxe4 9. Bxe4 Nf6 10.
Bxc6+ bxc6 11. Be5 c5 12. c3 dxc3 13. Qa4+ Qd7 14. Qxd7+ Nxd7 15. Bxc3 f6 16.
Re1 Kf7 17. Nd2 Be7 18. Ne4 Nb6 19. Rac1 Rhd8 20. Ba5 Rac8 {Kovalenko,V (2198)
-Plat,V (2483) Prague 2013 0-1 (41)}) 6... Qb6 {Black threatens to win
material: Qb6xb2} 7. Qc1 $146 (7. Qb3 c4 8. Qc2 Nf6 9. h3 Bf5 10. Qc1 h6 11.
Nbd2 Qd8 12. O-O Be7 13. Bd1 g5 14. Bg3 Bd3 15. Re1 Ne4 16. Nxe4 dxe4 17. Nd2
Bd6 18. Bxd6 Qxd6 19. b3 Na5 20. bxc4 Nxc4 21. Bc2 Nxd2 {Heinzel,O (2340)-Golf,
E (2205) Einhausen 2009 1-0 (43)}) 7... cxd4 8. exd4 (8. cxd4 Nge7 $11) 8...
Rc8 9. Nbd2 Nf6 10. h3 {White threatens to win material: h3xg4} Bh5 11. O-O Ne4
12. Be3 (12. Bd3 Nxd2 13. Qxd2 Bxf3 14. gxf3 Be7 $11) 12... f5 {Black has a
new backward pawn: e6} 13. Re1 Be7 14. c4 O-O 15. c5 {White threatens to win
material: c5xb6} Qd8 16. Nxe4 dxe4 (16... fxe4 17. Ng5 Bxg5 18. Bxg5 $15) 17.
Ng5 $11 Bxg5 18. Bxg5 (18. Bxh5 $2 {is not as innocent as it looks} f4 19. Qc4
fxe3 20. Qxe6+ Kh8 21. fxe3 Rc7 $19) 18... Qe8 19. Bb5 Qg6 20. Bxc6 Rxc6 21. b4
(21. Kh2 $5 $14) 21... h6 $11 {Black threatens to win material: h6xg5} 22. Bf4
Bf3 23. g3 Qh5 {Black has a mate threat} 24. Kh2 g5 25. Bd6 {White threatens
to win material: Bd6xf8} Bg4 26. h4 $4 (26. Rh1 $142 {this is the best way to
fight back} Rd8 27. Qa3 $11) 26... Rxd6 $19 27. cxd6 gxh4 28. Kg1 (28. Rh1 {
no good, but what else?} Bf3 29. Kg1 Bxh1 30. Qf4 hxg3 31. fxg3 $19) 28... hxg3
29. fxg3 Bf3 30. Qf4 Qh1+ (30... Qh3 $142 {and Black has prevailed} 31. Kf2 Rc8
$19) 31. Kf2 Qg2+ 32. Ke3 Qc2 33. Qxh6 (33. d7 {desperation} Qc3+ 34. Kf2 Qxd4+
35. Qe3 Qb2+ 36. Re2 Bxe2 37. Qc1 Qd4+ 38. Kxe2 Qd3+ 39. Ke1 Qxg3+ 40. Ke2 Qf3+
41. Kd2 e3+ 42. Kc3 $19) 33... f4+ $1 {Mate attack} 34. gxf4 (34. gxf4 Qc3+ {
Mate attack}) 34... Qd3+ 35. Kf2 Qd2+ (35... Qxd4+ $6 {is a useless try} 36.
Kg3 Rf7 37. Rg1 (37. Qxe6 $2 {fails because of} Qg7+ 38. Kh4 Kh8 39. Rxe4 Rf6
$19 (39... Qxa1 $4 {is refuted decisively by mate in 3} 40. Qh6+ Kg8 41. Re8+
Rf8 42. Rxf8#)) 37... Rg7+ 38. Kh3 Bg4+ 39. Rxg4 Qe3+ 40. Kh2 Qe2+ 41. Kh1 Qf3+
42. Kh2 Qe2+ 43. Kh1 Qf3+ 44. Kh2 Qe2+ $11) 36. Kg3 (36. Re2 {does not save
the day} Qxe2+ 37. Kg3 Qg2+ 38. Kh4 Qg4#) 36... Qg2+ (36... Qg2+ 37. Kh4 Qg4#)
0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "3.3"]
[White "Yoshii, Yukihiko"]
[Black "Chay, Florian"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1750"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "95"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] A34: Symmetrical English: 2 Nc3, lines with ...d5} 1. c4 c5 2. Nc3
Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. Nf3 Nc6 7. e3 $146 {Consolidates d4} (
7. Rb1 e5 8. a3 Be6 9. O-O c4 10. Qa4 Bd6 11. d3 cxd3 12. Ng5 dxe2 13. Nxe2 Bf5
14. Ra1 O-O 15. Rd1 Qe7 16. Be3 h6 17. Ne4 Rfd8 18. Nxd6 Rxd6 19. Rxd6 Qxd6 20.
Rd1 Qg6 21. Rc1 Bd3 {Matthias,H (2376)-Nikula,R (2333) Germany 2003 1-0 (34)})
(7. Qa4 $142 $5 Bd7 8. O-O $14) 7... e5 $11 {White has a cramped position.
White's piece can't move: c1} 8. O-O {White castles and improves king safety}
Bg4 (8... Be7 9. Qa4 O-O 10. Rd1 $15) 9. Qc2 {White has a cramped position.
White's piece can't move: c1} (9. Qb3 Rb8 $11) 9... Qd7 10. d3 (10. Ne4 $5 Ne6
11. Qc4 $11) 10... O-O-O $15 {Black has a very active position} 11. Ne1 Bh3 12.
a3 {Prevents intrusion on b4} (12. Bxh3 $5 Qxh3 13. Ne4 $15) 12... Bxg2 $17 13.
Kxg2 g5 (13... Be7 14. b4 cxb4 15. axb4 Bxb4 16. e4 $17) 14. Ne4 {White
threatens to win material: Ne4xc5. White forks: c5+g5} Qd5 15. f3 Be7 16. Bd2 (
16. Nxg5 f5 (16... Bxg5 $143 17. e4 Nd4 18. Qc3 $11) 17. Nh3 Rhg8 $15) 16... h5
{White has a cramped position. White's piece can't move: e1} (16... f5 17. Nf2
$17) 17. Nc3 (17. Rc1 $142 $5 {is noteworthy} h4 18. Nxc5 hxg3 19. hxg3 Bxc5
20. Qxc5 $15) 17... Qd7 $17 18. Rd1 h4 19. g4 f5 20. h3 e4 (20... f4 $142 $5
$17) 21. dxe4 $11 Qd6 (21... fxg4 22. fxg4 Rhf8 $11) 22. f4 $4 {allows the
opponent back into the game} (22. e5 $142 Nxe5 23. Qxf5+ Kb8 24. Ne4 $16) 22...
fxg4 $15 23. hxg4 h3+ {Pushes the passed pawn} 24. Kg3 $2 (24. Kh1 $142 {
and White is still in the game} gxf4 25. exf4 $15) 24... gxf4+ $19 25. exf4
Bh4+ (25... Nd4 $142 $5 26. Qd3 Qd7 $19) 26. Kh2 $17 Nd4 {Black threatens to
win material: Nd4xc2} 27. Qd3 {White threatens to win material: Qd3xh3} Qd7 (
27... Qe6 28. f5 Qb3 29. e5 $15) 28. f5 {White gains space} (28. g5 $5 $11 {
has some apparent merit}) 28... Rdg8 $15 29. Bf4 Rxg4 30. Rd2 $4 (30. Be5 $142
{was necessary} Rhg8 31. Bxd4 cxd4 32. Qxd4 $17) 30... Bxe1 $19 31. Rd1 (31.
Rxe1 {doesn't improve anything} Rxf4 32. Kh1 Rg4 $19) 31... Bxc3 (31... Qg7 32.
Rd2 Rg2+ 33. Kh1 Bxd2 34. Bg3 Rxg3 35. f6 Qg5 36. f7 Rxd3 37. f8=R+ Rxf8 38.
Rxf8+ Kd7 39. Rf7+ Ke6 40. Rf2 Be3 41. Nb5 Rd1+ 42. Kh2 Bf4+ 43. Rxf4 Qg2#) 32.
bxc3 Nd5 {Black threatens to win material: Nd5xf4} (32... Rg2+ $142 {nails it
down} 33. Kh1 Qg7 $19) 33. Be5 $17 Qc6 $4 {instead of simply winning the game}
(33... Nf6 $142 $1 34. cxd4 Qf7 $15) 34. cxd4 $18 (34. Bxh8 $6 {is clearly
weaker} Qc7+ 35. Kh1 Rg3 36. cxd4 Rxd3 37. Rxd3 Qh7 $14) 34... c4 35. Qf3 (35.
exd5 $142 {seems even better} Qxd5 36. Qf3 Rg2+ 37. Kh1 Qxf3 38. Rxf3 $18)
35... Qa4 $4 {causes even greater problems} (35... Nf6 36. d5 Qb6 $18) 36. Bxh8
$18 Qc2+ (36... Rf4 {hardly improves anything} 37. Qe2 Nc3 $18) 37. Kh1 (37.
Rf2 $142 {secures victory} Qxe4 38. Qxe4 Rxe4 39. f6 Nxf6 40. Rxf6 $18) 37...
Qg2+ $11 38. Qxg2 hxg2+ {Black forks: f1.} (38... Rxg2 $4 39. exd5 Rg8 40. Be5
$18) 39. Kg1 $4 {White is ruining his position} (39. Kh2 $142 gxf1=Q 40. Rxf1
Rxe4 41. Be5 $11) 39... Ne3 $4 {simply marches past the door to victory} (39...
gxf1=Q+ $142 {finishes off the opponent} 40. Kxf1 Ne3+ 41. Ke2 Nxd1 42. Kxd1
Rxe4 $19) 40. Rfe1 (40. Rf3 $142 {secures the point} Nxd1 41. f6 Kd7 $18 (41...
Rxe4 42. f7 Re1+ 43. Kxg2 Re2+ 44. Kf1 Rf2+ 45. Rxf2 Kd7 46. Rf3 Nb2 47. f8=Q
Nd1 48. Rf7+ Ke6 49. Qe7+ Kd5 50. Qe5+ Kc6 51. Qc5#)) 40... Nxd1 41. Rxd1 Rh4
42. Kxg2 Rxh8 43. Kg3 (43. e5 {makes it even easier for White} Kc7 44. f6 Rh6
$18) 43... Kd7 44. e5 Rc8 (44... a6 45. d5 c3 46. Rc1 $18) 45. Kf3 (45. d5 c3
46. f6 c2 $18) 45... c3 46. Rc1 Rc4 (46... c2 $18 {otherwise it's curtains at
once}) 47. Ke3 b5 (47... c2 {doesn't get the bull off the ice} 48. Kd3 Ra4 49.
Rxc2 Rxa3+ 50. Ke4 $18) 48. Kd3 (48. Kd3 Rc8 49. Rxc3 $18) 1-0

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "3.4"]
[White "Furuse, Mizuki"]
[Black "Nishimori, Toshiyuki"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "1564"]
[BlackElo "1746"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "76"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{A13: English Opening: 1...e6} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O c5 5. c4 d4
6. b4 Nc6 $146 {Black threatens to win material: Nc6xb4} (6... cxb4 7. a3 Nc6 (
7... bxa3 8. d3 Nc6 9. Bxa3 Bxa3 10. Nxa3 O-O 11. Qb1 e5 12. Qb2 Qe7 13. Rfb1
Nd7 14. Nc2 Nc5 15. Qa3 f6 16. Nd2 Re8 17. Rb5 Ne6 18. Ne4 Qxa3 19. Rxa3 Rd8
20. Nb4 Nc7 21. Rc5 Nxb4 22. Rxc7 {Noah,A (2326)-Domingos,C (2280) Tromso 2014
1-0 (52)}) 8. Bb2 (8. axb4 Bxb4 9. Ne5 Bd7 10. Nxd7 Qxd7 11. Qa4 Be7 12. d3 O-O
13. Nd2 a5 14. Nb3 e5 15. Bd2 Qe6 16. Qb5 e4 17. Nxa5 e3 18. fxe3 Nxa5 19. Rxa5
Rxa5 20. Qxa5 dxe3 21. Bc3 Ng4 22. Qh5 Nf2 {Dubov,D (2614)-Vallejo Pons,F 
(2698) Dubai 2014 1-0 (34)}) (8. d3 a5 9. Bb2 Ra6 10. Nbd2 e5 11. Qc2 bxa3 12.
Bxa3 Bxa3 13. Rxa3 O-O 14. Rb1 Nb4 15. Qb2 Qc7 16. Ne1 Bd7 17. Nc2 Nxc2 18.
Qxc2 b6 19. Qa2 h6 20. Rab3 a4 21. Rb4 Rb8 22. Ne4 Nxe4 {Cruz,F (2412)-Moreno
Ruiz,J (2486) Montcada 2014 1/2-1/2 (62)}) 8... bxa3 9. Nxa3 Bc5 10. e3 e5 11.
Nxe5 O-O 12. Nxc6 bxc6 13. Nc2 Bg4 14. Bf3 Bxf3 15. Qxf3 dxe3 16. dxe3 Qd3 17.
Bxf6 Qxc2 18. Rfc1 Qg6 19. Bc3 Rfe8 20. Ra5 Bb6 21. Rf5 {Matamoros Franco,C 
(2525)-Bachmann,A (2636) Montevideo 2015 1/2-1/2 (44)}) (6... cxb4 $142 $5 {
and Black can hope to live} 7. Bb2 Nc6 $11) 7. b5 $14 {White threatens to win
material: b5xc6} Nb8 (7... Ne7 8. e3 $14) 8. Qa4 (8. e3 $142 $16) 8... Bd7 $2 (
8... Nbd7 9. Bb2 $11) 9. Ne5 (9. Nxd4 $142 {with excellent chances for White}
Qb6 10. Nf3 $18) 9... Qc7 $14 10. Nxd7 Nbxd7 11. d3 {Secures e4} Nb6 {Black
threatens to win material: Nb6xa4} 12. Qb3 Bd6 13. a4 Rd8 14. Bg5 Be7 (14...
Nbd7 15. Nd2 $14) 15. Nd2 Nbd7 16. a5 b6 (16... Ng4 $5 17. Bxe7 Kxe7 $16) 17.
axb6 axb6 18. Ra2 O-O 19. Rfa1 h6 20. Bxf6 Nxf6 21. Ra7 Qd6 22. Ne4 (22. Bc6
Rc8 $16) 22... Nxe4 23. Bxe4 f5 24. Bg2 f4 25. Rb7 fxg3 26. hxg3 Rb8 27. Rxb8
Rxb8 28. Qa3 (28. Be4 h5 $14) 28... Bd8 (28... h5 29. Bf3 h4 30. gxh4 Bxh4 31.
Qb2 $11) 29. Qc1 Bc7 (29... Bg5 30. Qe1 $14) 30. Ra7 Qe5 (30... Rf8 31. Be4 $14
) 31. Qd2 (31. Be4 $5 $16) 31... h5 32. f4 {White threatens to win material:
f4xe5} Qd6 33. Bf3 (33. e4 $5 dxe3 34. Qxe3 $14) 33... h4 $11 34. gxh4 Qxf4 (
34... Rf8 $142 $5 $11 {should be investigated more closely}) 35. Qxf4 $14 Bxf4
36. h5 (36. Be4 Bd6 $14) 36... Kh7 $11 37. Re7 e5 (37... Rf8 38. Rxe6 Rf6 39.
Re8 $11) 38. Kg2 $16 Kh6 1-0

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "3.5"]
[White "Nakamura, Mitsuru"]
[Black "Ono, Yukiko"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1644"]
[BlackElo "1000"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "33"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8256] D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} 1. d4 d5
2. c4 c6 3. e3 Nf6 4. h3 $146 {Prevents intrusion on g4} (4. Nd2 Bf5 5. Ngf3 e6
6. Be2 Bd6 7. c5 Bc7 8. b4 Nbd7 9. Bb2 Ne4 10. Nxe4 Bxe4 11. O-O Qf6 12. Nd2
Qh6 13. f4 f5 14. Nxe4 fxe4 15. b5 O-O 16. Qa4 e5 17. dxe5 Bxe5 18. Bxe5 Nxe5 {
Reti,R-Spielmann,R Teplitz Schoenau 1922 1-0 (34)}) (4. Qc2 Bg4 (4... g6 5. Bd3
Bg7 6. Nd2 (6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Bf5 9. Qe2 Nbd7 10. Nh4 Bxb1 11.
Rxb1 e5 12. Nf3 exd4 13. exd4 Nb6 14. Bb3 Re8 15. Qc2 Nfd5 16. Bg5 Bf6 17. Bh6
Bg7 18. Bd2 Qd6 19. Rbd1 Nf4 20. Qc5 Qf6 {Kortschnoj,V (2630)-Lieb,H (2275)
Berlin West 1985 1-0}) 6... O-O 7. Ngf3 a6 8. O-O Nbd7 9. h3 e6 10. a4 b6 11.
b4 Re8 12. Bb2 Bb7 13. c5 bxc5 14. bxc5 a5 15. e4 dxe4 16. Bxe4 Nd5 17. Nc4 Ba6
18. Rfc1 Bxc4 19. Qxc4 {Vokoun,J (2208)-Kohout,V (2197) Czechia 2010 0-1 (48)})
5. Nc3 e6 6. Bd3 Nbd7 7. Nge2 Bh5 8. cxd5 cxd5 9. Qb3 Rb8 10. Ng3 Bg6 11. Bxg6
hxg6 12. e4 Nb6 13. e5 Nfd7 14. Nge2 Nc4 15. g3 b5 16. O-O Be7 17. Kg2 Qc7 18.
h4 Qc6 {Kortschnoj,V (2615)-Ivanchuk,V (2710) Monte Carlo 1994 0-1 (42)}) (4.
Nc3 g6 $14) 4... b6 (4... Bf5 5. Nf3 $11) 5. Nf3 $14 a5 6. Bd3 b5 (6... Ba6 7.
b3 $16) 7. cxb5 $16 cxb5 8. Bxb5+ Nbd7 9. Nc3 e6 10. O-O Bd6 11. a4 {White has
a new backward pawn: b2} (11. Bd2 O-O $16) 11... O-O 12. Qc2 Re8 (12... Bb7 $5
$14 {looks like a viable alternative}) 13. e4 $16 Bb7 $4 {solves nothing} (
13... dxe4 $142 14. Nxe4 Nxe4 15. Qxe4 Rb8 $16) 14. e5 $18 Qc7 15. exd6 Qxd6
16. Ne5 $1 {Deflection: d7} Bc8 (16... Nxe5 17. Bxe8 {Deflection Pinning}) 17.
Bg5 1-0

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "3.6"]
[White "Ito, Katsuhide"]
[Black "Honda, Yoshiki"]
[Result "0-1"]
[ECO "C88"]
[WhiteElo "1448"]
[BlackElo "1848"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "56"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] C88: Closed Ruy Lopez: Anti-Marshall Systems} 1. e4 e5 2. Nf3 Nc6
3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 O-O 8. d4 exd4 9. Nxd4 $4 $146
{gives the opponent counterplay} (9. e5 Ne8 10. Nxd4 (10. Bd5 Rb8 11. a3 Bb7
12. Qe2 Kh8 13. Rd1 Bc5 14. b4 Be7 15. c3 dxc3 16. Nxc3 Qc8 17. Bg5 f6 18. Bh4
d6 19. e6 Nd8 20. Rac1 c6 21. Ba2 Ba8 22. Bg3 Rb7 23. h4 f5 24. Bf4 Bf6 {
Kuzmin,G (2485)-Votava,J (2400) Pardubice 1994 1-0 (35)}) (10. c3 d5 11. cxd4
Be6 12. Nc3 Qd7 13. Bf4 Na5 14. Bc2 Nc4 15. b3 Nb6 16. a4 b4 17. Ne2 a5 18. h3
g6 19. Bh6 Ng7 20. g4 Rfe8 21. Ng3 Qc8 22. Qd3 Bd7 23. Bxg7 Kxg7 24. Nh5+ Kg8 {
Antal,G (2398)-Erwich,M (2263) Chalkidiki 2001 1-0 (47)}) 10... Nxd4 11. Qxd4
c5 (11... d6 12. Qe4 Bd7 13. f4 g6 14. Bxf7+ Rxf7 15. e6 Bxe6 16. Qxe6 Bf6 17.
Nc3 Qd7 18. Qxd7 Rxd7 19. Nd5 Bd4+ 20. Kh1 Nf6 21. Ne7+ Kf7 22. Nc6 Bf2 23. Re2
Re8 24. Rxe8 Kxe8 25. g3 d5 26. a4 {Hasan,Y (2280)-Noaman,H (2205) Singapore
1987 1-0 (49)}) 12. Qe4 Rb8 (12... Nc7 13. c4 bxc4 14. Bc2 g6 15. Nc3 d5 16.
exd6 Bxd6 17. Qxc4 Be6 18. Qa4 Bd7 19. Qc4 Be6 20. Qa4 {1/2-1/2 (20) Sikora
Gizynska,B (2265)-Maskova,J (2165) Naleczow 1987}) 13. c3 Bb7 14. Qg4 d5 15.
exd6 Bxd6 16. Bg5 Qc7 17. h3 Kh8 18. Bc2 f5 19. Qh4 Qc6 20. f3 Nc7 21. Nd2 Rbe8
22. Rxe8 Qxe8 23. Re1 Qg6 {Navarro Segura,R (2300)-Bademian Orchanian,J (2205)
Buenos Aires 1978 1/2-1/2 (42)}) (9. e5 $142 {is a viable option} Ne8 10. c3
$14) 9... Nxd4 $17 10. Qxd4 (10. e5 $142 $5 Nxb3 11. exf6 Bxf6 12. axb3 $17)
10... c5 $19 11. Qd1 c4 12. e5 Ne8 (12... cxb3 $6 {is clearly inferior} 13.
exf6 bxc2 14. Qd5 $15) 13. c3 (13. Nc3 cxb3 14. axb3 Nc7 $19) 13... cxb3 14.
Qxb3 (14. a4 {does not help much} bxa4 15. Rxa4 d6 $19) 14... Qb6 15. Be3 Bc5 (
15... Qg6 $5 {makes it even easier for Black} 16. Nd2 Bb7 17. f3 $19) 16. Nd2
Bb7 17. Bxc5 Qxc5 18. Ne4 (18. Rad1 d6 19. Qb4 Qxb4 20. cxb4 dxe5 21. Rxe5 Nf6
$19) 18... Bxe4 (18... Qxe5 $142 $5 {keeps an even firmer grip} 19. Ng3 Qf4 20.
Qb4 Qxb4 21. cxb4 $19) 19. Rxe4 d5 (19... d6 {might be the shorter path} 20.
Rae1 $19) 20. Rd4 Nc7 21. Re1 (21. Qb4 Qa7 $19) 21... Rfe8 22. Qd1 Rad8 23. b4
(23. Rd3 $19) 23... Qxc3 24. Re3 Qc6 25. Qe1 (25. Qd2 {does not win a prize}
Ne6 26. Rdd3 Rc8 $19) 25... Ne6 26. Rc3 (26. Rd1 $19 {there is nothing better
in the position}) 26... Nxd4 27. Rxc6 Nxc6 28. f4 d4 0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.13"]
[Round "3.7"]
[White "Yajima, Machiko"]
[Black "kuramoto, koutarou"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1469"]
[BlackElo "1622"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "60"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] A06: R騁i Opening:1 Nf3 d5} 1. Nf3 Nf6 2. d3 d5 3. Bf4 (3. c3 Nbd7
4. Qc2 e5 5. e4 c6 6. Be2 Bd6 7. Bg5 h6 8. Bh4 b6 9. Nbd2 Bb7 10. d4 O-O 11.
dxe5 Nxe5 12. exd5 Ng6 {1/2-1/2 (12) Marangunic,S (2450)-Nunn,J (2560)
Dortmund 1987}) 3... Bf5 $146 (3... g6 4. h3 Bg7 5. c3 O-O 6. Nbd2 b6 7. e4
dxe4 8. dxe4 Nbd7 9. Qc2 Bb7 10. Be3 Qc8 11. Bc4 Ne8 12. O-O Nd6 13. Bd3 Kh8
14. Rfe1 e5 15. Nc4 f5 16. Nxd6 cxd6 17. exf5 Bxf3 18. gxf3 {Galmandakh,B 
(2328)-Enkhnar,E (2287) Ulaanbaatar 2015 1/2-1/2 (50)}) (3... c5 4. Nbd2 Bg4 5.
e4 e6 6. h3 Bh5 7. c3 Nc6 8. Qb3 Qb6 9. g4 Bg6 10. Nh4 Qxb3 11. axb3 Be7 12.
Bg3 dxe4 13. Nxg6 hxg6 14. Nxe4 Nxg4 15. Nd6+ Bxd6 16. Bxd6 b6 17. Bg2 Kd7 18.
Bxc5 {Francsics,E (2245)-Lehmann,Z (2275) Budapest 1997 1-0 (41)}) (3... Nc6 4.
Nbd2 Bf5 5. c3 Qd7 6. b4 Nh5 7. Bg3 Nxg3 8. hxg3 f6 9. Nh4 g5 10. Nxf5 Qxf5 11.
e4 Qg6 12. exd5 Ne5 13. Ne4 O-O-O 14. Qa4 e6 15. Qxa7 exd5 16. Nc5 Bxc5 17.
bxc5 Nxd3+ 18. Kd2 {Francsics,E (2235)-Darazs,Z (2240) Hungary 1997 0-1 (46)})
(3... Nc6 4. g3 $11) 4. Nh4 (4. Nc3 Nc6 $11) 4... Bg6 (4... Bd7 5. Nf3 $15) 5.
Nxg6 hxg6 6. e3 c5 7. c3 Nc6 8. Nd2 e5 {Black threatens to win material: e5xf4}
9. Bg5 Be7 10. Nf3 (10. Be2 Nh5 11. Bxe7 Qxe7 $11) 10... Qd6 11. Be2 O-O-O 12.
Qd2 Kb8 13. O-O-O Ng4 14. Bxe7 {White forks: d6+d8} Qxe7 15. Rdf1 (15. Qe1 $5
$17) 15... e4 16. Ne1 Nxh2 17. Rfg1 Qf6 18. Bd1 (18. f3 Qg5 $17) 18... Ne5 $19
19. d4 cxd4 20. Qxd4 Qf5 21. g4 (21. f4 exf3 22. Bc2 $19) 21... Nhxg4 $19 22.
Rxh8 Rxh8 23. Qxd5 $4 {terrible, but the game is lost in any case.} (23. Bxg4
Nxg4 24. Qxg7 $19) 23... Nd3+ 24. Qxd3 exd3 25. Bxg4 Qxf2 26. Nxd3 (26. Kd1 {
doesn't get the cat off the tree} Qxg1 27. Kd2 Qxg4 28. c4 Qe2+ 29. Kc3 Qxe1+
30. Kb3 d2 31. Kb4 d1=Q+ 32. Kb5 Qdd2 33. c5 Qb4#) 26... Qxg1+ 27. Kc2 (27. Kd2
{does not improve anything} Qxg4 28. Kc2 Qc4 29. Nf2 Rh2 30. a3 Rxf2+ 31. Kb1
Qb5 32. b3 Qf1#) 27... Qxg4 28. Kb3 (28. Ne5 {cannot change destiny} Qe2+ 29.
Kb3 Qb5+ 30. Ka3 Qxe5 31. Kb3 Qb5+ 32. Ka3 Rh2 33. c4 Qxb2+ 34. Ka4 Rc2 35. c5
Rc4+ 36. Ka5 Qb4#) 28... Qd1+ 29. Kc4 Rc8+ 30. Nc5 (30. Kd4 {is not the saving
move} Rd8+ 31. Kc4 Qxd3+ 32. Kb3 Rd6 33. a4 Rb6+ 34. Ka3 Qd2 35. b3 Qxc3 36.
Ka2 Rxb3 37. e4 Qb2#) 30... b6 (30... b6 31. b4 Qe2+ 32. Kb3 bxc5 33. e4 cxb4
34. a3 Rxc3+ 35. Ka4 Qc4 36. axb4 Qa6#) (30... Qa4+ 31. b4 Qxa2+ 32. Kd3 Rd8+
33. Nd7+ Rxd7+ 34. Ke4 Qf2 35. c4 Qf5#) 0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.14"]
[Round "4.1"]
[White "Dryglas, Maciej"]
[Black "Aoki, Yasuhiro"]
[Result "1-0"]
[ECO "B09"]
[BlackElo "1721"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "37"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8256] B09: Pirc Defence: Austrian Attack} 1. Nc3 Nf6 2. e4 d6 3. d4 g6
4. f4 Bg7 5. e5 dxe5 6. fxe5 Nd5 7. Bc4 c6 (7... Nb6 8. Bb3 Nc6 9. Be3 O-O 10.
Qd2 Na5 11. O-O-O Nbc4 12. Qe2 Nxb3+ 13. axb3 Nxe3 14. Qxe3 a5 15. Nf3 Be6 16.
Rdg1 c6 17. g4 b5 18. h4 a4 19. b4 a3 20. b3 Bd5 21. Ne4 Bxe4 22. Qxe4 {
Pinsach Gelabert,A (2321)-Mundet Riera,J (2295) Girona 2014 0-1 (47)}) 8. Qf3
Be6 9. Nh3 $146 (9. Nge2 O-O 10. Nxd5 Bxd5 11. Bxd5 Qxd5 12. O-O Qxf3 13. Rxf3
c5 14. c3 Nc6 15. Be3 Rad8 16. Rff1 a6 17. Rad1 cxd4 18. cxd4 Rd7 19. Rd2 Nb4
20. Nc3 Nd5 21. Nxd5 Rxd5 22. Rc1 Rfd8 23. Rc7 Bxe5 {Dolzhikova,K (2284)
-Borzov,D (2181) Alushta 2006 1/2-1/2}) (9. Nge2 O-O 10. O-O Nd7 $11) 9... Bxh3
(9... Qb6 $142 $5 {and Black has air to breath} 10. Bxd5 cxd5 11. Nxd5 Qa5+ 12.
Nc3 Nc6 $15) 10. gxh3 {White has the pair of bishops} e6 {Black has a new
backward pawn: f7. Black has a cramped position} 11. Ne4 Qh4+ (11... O-O 12.
Bg5 Qc7 13. O-O-O $14) 12. Ke2 (12. Kd1 $142 O-O 13. Bg5 $18) 12... Qe7 $4 {
strolling merrily down the path to disaster} (12... f6 $142 $5 13. exf6 Nxf6
14. Nxf6+ Qxf6 $16) 13. Nd6+ (13. Bg5 $142 {might be the shorter path} Qc7 14.
Nd6+ Kf8 $18) 13... Kf8 (13... Kd7 $142 14. Rf1 Rf8 15. Nxb7 Kc7 $18) 14. Bg5
$3 {Deflection: f7} f6 (14... Qxg5 15. Qxf7# {Mate attack Deflection}) 15. Raf1
Nd7 16. Kd1 (16. Ne4 $142 {seems even better} Kf7 17. exf6 N5xf6 18. Qe3 $18)
16... Kg8 $16 17. Bxd5 cxd5 $4 {the position is going down the drain} (17...
exd5 $142 18. Bh4 Qe6 19. exf6 Bxf6 (19... Qxd6 20. fxg7 Qe6 21. Re1 $18) 20.
Bxf6 Rf8 21. Nxb7 Rxf6 $16) 18. exf6 $18 Bxf6 (18... Qxd6 {is not directly
advisable since it leads to the following attractive mate} 19. fxg7 Rf8 20.
gxf8=Q+ Qxf8 21. Qxf8+ Nxf8 22. Bh6 Nd7 23. Rf3 b6 24. Rhf1 Nf6 25. Rxf6 e5 26.
Rf8#) 19. Bxf6 (19. Bxf6 Qxd6 20. Bd8 $18) 1-0

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.14"]
[Round "4.2"]
[White "Nakamura, Mitsuru"]
[Black "Yoshii, Yukihiko"]
[Result "0-1"]
[ECO "C96"]
[WhiteElo "1644"]
[BlackElo "1750"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "98"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] C96: Closed Ruy Lopez: Chigorin Defence: 11 d4, replies other
than 11...Qc7} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7.
Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 cxd4 12. cxd4 Nc6 13. Be3 (13. Nc3
Re8 (13... Bb7 14. d5 Nb8 15. a4 b4 16. Ne2 a5 17. Ng3 Bc8 18. Bd3 Na6 19. Be3
Nd7 20. Rc1 Nac5 21. Bb5 Ba6 22. Bxc5 Nxc5 23. Rxc5 dxc5 24. Nxe5 Bxb5 25. axb5
f6 26. Nc6 Qd7 27. Nf5 Rf7 28. Nfxe7+ {Szalanczy,E (2248)-Czegledi,Z (2151)
Hungary 2010 1-0 (35)}) 14. Bg5 {1/2-1/2 (14) Milos,G (2530)-Campora,D (2515)
Bogota 1991}) 13... Bd7 14. Nc3 Rc8 15. a3 $146 {Consolidates b4} (15. Rc1 Re8
16. Bb1 Nxd4 17. Nxd4 exd4 18. Bxd4 b4 19. Ne2 Rxc1 20. Qxc1 Qa5 21. Ng3 Be6
22. b3 Rc8 23. Qd2 Nd7 24. Nf5 Bxf5 25. exf5 Bf8 26. f6 Nxf6 27. Bxf6 gxf6 28.
Qf4 Qg5 29. Qxb4 Rc1 {Berbatov,K (2463)-Arias Garcia,L (2176) Erandio 2009 1/
2-1/2 (45)}) 15... exd4 16. Bxd4 h6 {Covers g5} 17. Rc1 Nxd4 18. Qxd4 {Black
has the pair of bishops} Be6 19. Nd5 Bxd5 20. exd5 Rc5 21. Be4 (21. b4 Rc4 22.
Qd2 Re8 $14) 21... Nxe4 (21... Qc8 $142 $1 {is an interesting alternative} 22.
Rcd1 Rc4 $11) 22. Qxe4 $14 Bf6 23. Rxc5 (23. b4 $142 $5 {should be examined
more closely} Rxc1 24. Rxc1 $14) 23... dxc5 $11 {White has a new passed pawn:
d5} 24. Ne5 Qd6 25. f4 Re8 26. g3 {Controls h4} Re7 27. Kf1 g5 {Black king
safety dropped} 28. Re2 Bg7 29. Qf3 (29. b4 $142 $11 {and White hangs on})
29... Bxe5 $17 30. fxe5 Rxe5 31. Rxe5 $2 (31. Rd2 $142 $17) 31... Qxe5 $19 32.
Qg2 f5 33. h4 (33. Qf3 Kf7 (33... Qxb2 $6 {is clearly worse} 34. Qxf5 c4 35.
Qe6+ Kg7 36. Qe7+ Kg6 37. Qe4+ Kf7 38. Qe6+ Kf8 39. Qc8+ Kg7 40. Qd7+ Kg6 41.
Qe8+ Kh7 42. Qe7+ Kh8 43. d6 Qb1+ 44. Kf2 Qc2+ 45. Kf3 Qd3+ 46. Kg4 $11) 34. d6
Qxd6 35. Qb7+ Kg6 $19) 33... f4 (33... Qe3 $142 {ends the debate} 34. b4 Qc1+
35. Kf2 Qxa3 36. hxg5 hxg5 $19) 34. hxg5 hxg5 35. gxf4 (35. Qc2 Qxd5 36. Qg6+
Kf8 37. Qf6+ Ke8 38. gxf4 Qf3+ 39. Kg1 Qe3+ (39... Qxf4 $6 40. Qc6+ Ke7 41.
Qb7+ Kf8 42. Qa8+ Kg7 43. Qa7+ Qf7 44. Qxc5 $17) (39... gxf4 $6 40. Qe6+ Kd8
41. Qd6+ Kc8 42. Qxa6+ Qb7 43. Qf6 $11) 40. Kg2 gxf4 41. Qxa6 f3+ 42. Kh3 f2+
43. Kg2 f1=Q+ 44. Kxf1 Qc1+ 45. Ke2 Qxb2+ 46. Kf3 Qb3+ 47. Kg4 Qc4+ 48. Kh5 Ke7
$19) 35... Qxf4+ 36. Kg1 (36. Ke2 Kf7 $19) 36... Kf7 37. Kh1 Kf6 38. Qe2 Qe5 $4
{Black threatens to win material: Qe5xe2. Black forks: d5+e2. throws away a
nice position} (38... Qf5 $142 {and the rest is a matter of technique} 39. d6
Qh3+ 40. Kg1 Qg3+ 41. Kh1 Qxd6 42. Qf3+ Kg6 43. Qe4+ Kh6 $19) 39. Qf2+ $11 {
White forks: c5} Qf4 {Black threatens to win material: Qf4xf2} 40. Qxc5 Qf1+
41. Kh2 Qe2+ 42. Kg3 Qe5+ 43. Kh3 Qf5+ 44. Kg2 Qe4+ 45. Kf1 $4 {a weak move,
ruining a winning position} (45. Kg3 Qe1+ 46. Kg2 Qd2+ 47. Kh3 Qd3+ 48. Kg2
Qe2+ 49. Kg3 Qe5+ 50. Kh3 Kg6 $11) 45... Qb1+ {Black forks: b2} (45... Qc4+
$142 {and Black wins} 46. Qxc4 bxc4 $19) 46. Ke2 Qxb2+ 47. Kf3 Qb3+ 48. Ke2 $4
{overlooking an easy win} (48. Kf2 $142 $11 {would bring relief}) 48... Qc4+
$19 49. Qxc4 bxc4 0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.14"]
[Round "4.3"]
[White "Tang, Yichen"]
[Black "Furuse, Mizuki"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1696"]
[BlackElo "1564"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "100"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] B08: Pirc Defence: Classical System} 1. e4 g6 2. d4 Bg7 3. Nc3 d6
4. Nf3 Nf6 5. Bd3 O-O 6. O-O a6 $146 {Secures b5} (6... Bg4 7. h3 (7. Be3 Nc6
8. Bb5 d5 9. e5 Ne4 10. h3 Nxc3 11. bxc3 Bd7 12. Bd3 f6 13. exf6 exf6 14. c4
Be6 15. cxd5 Bxd5 16. c3 Qd6 17. a4 Rad8 18. Nd2 f5 19. Bg5 Bf6 20. Nc4 Bxc4
21. Bxc4+ Kg7 {Fedorchuk,S (2590)-Petrov,M (2425) France 2006 1-0 (48)}) 7...
Bxf3 8. Qxf3 Nc6 9. Ne2 (9. Be3 e5 (9... Nd7 10. d5 Nce5 11. Qe2 c6 12. Rfe1
Rc8 13. Rac1 Qa5 14. Bd2 Qc7 15. f4 Nxd3 16. cxd3 a6 17. Be3 c5 18. b3 b5 19.
Rc2 Qb7 20. Rec1 Rc7 21. Nb1 Rfc8 22. Nd2 Nb6 23. Qf2 a5 24. Kh1 {Bouchet,S 
(2178)-Tkachiev,V (2670) Aubervilliers 2000 0-1 (44)}) 10. dxe5 Nxe5 11. Qe2
Re8 12. Rad1 c6 13. f4 Nxd3 14. cxd3 Qa5 15. Bd4 Rad8 {1/2-1/2 (15)
Jakovljevic,Z (2157)-Leskur,D (2393) Novi Sad 2014}) 9... e5 10. c3 exd4 11.
cxd4 Nd7 12. Be3 Nce5 13. dxe5 Nxe5 14. Qg3 Nxd3 15. Bg5 f6 16. Qxd3 fxg5 17.
Qd5+ Kh8 18. Qxb7 Qb8 19. Qa6 Qxb2 20. Rab1 Qc2 21. Rbc1 {Pavlovic,B (2200)
-Rukavina,J (2465) Bor 1983 0-1}) (6... Nc6 7. h3 e5 8. d5 Ne7 9. Bg5 h6 10.
Be3 Nh5 11. Qd2 g5 12. Kh2 Nf4 13. Ng1 Qd7 14. Nce2 f5 15. exf5 Nxf5 16. Be4
Qf7 17. Ng3 Nh4 18. Qd1 h5 19. Nf3 Nxf3+ 20. Bxf3 g4 21. hxg4 {Al Hajiri,B 
(2238)-Pascua,H (2447) Al Ain 2015 0-1 (68)}) 7. Be3 {Black has a cramped
position} Nc6 8. Qd2 {White has a very active position} (8. h3 $5 $14) 8... Ng4
$11 9. Bf4 (9. Rad1 $5 $11 {should be considered}) 9... Nxd4 $15 10. Nxd4 Bxd4
11. Be2 Bg7 {Black has a cramped position} 12. h3 {White threatens to win
material: h3xg4} Nf6 13. Bh6 Be6 14. Bxg7 Kxg7 15. h4 (15. f4 c6 $15) 15... h5
{White has an active position} 16. Qg5 Kh7 (16... c6 17. Rfd1 $17) 17. f4 (17.
Rad1 $142 $15) 17... Qc8 $4 {with this move Black loses his initiative} (17...
c6 18. f5 Qb6+ 19. Kh1 gxf5 (19... Qxb2 $6 20. Qe3 gxf5 21. exf5 $11) 20. exf5
Rg8 $17) 18. Bd3 (18. f5 gxf5 19. exf5 Rg8 $11) 18... Bg4 {'the bishop is the
bishop!'} (18... c5 $142 $5 {is worthy of consideration} 19. e5 dxe5 20. fxe5
Ng4 21. Qxe7 Qd8 22. Qxd8 Rfxd8 $15) 19. e5 $14 dxe5 $4 (19... Nd7 $142 {
would hold out} 20. Nd5 e6 $16) 20. fxe5 $18 Ng8 (20... Qe6 {doesn't change
the outcome of the game} 21. exf6 Qb6+ 22. Kh1 e6 $18) 21. Nd5 (21. Rxf7+ $142
{makes it even easier for White} Rxf7 22. Qxg6+ Kh8 23. Qxf7 $18) 21... Qd7 $4
{another bit of territory lost} (21... Be6 22. Qxh5+ Kg7 $14) 22. Nf4 (22.
Rxf7+ Rxf7 23. Qxg6+ Kh8 24. Qxf7 Qf5 25. Bxf5 Bxf5 26. Qxf5 Kg7 27. Qg5+ Kh8
28. Rf1 Rf8 29. Rxf8 Kh7 30. Rf7+ Kh8 31. Qg7#) 22... Bf5 $11 23. Bxf5 Qxf5 24.
Qxf5 gxf5 25. Nxh5 e6 26. Rad1 Rad8 27. Nf4 Nh6 28. Nh3 (28. Rd3 $5 $11 {
is an interesting idea}) 28... Ng4 $17 {Black threatens to win material: Ng4xe5
} 29. Rfe1 Rxd1 30. Rxd1 Nxe5 31. Kf2 f6 (31... Ng4+ 32. Kf3 $17) 32. Nf4 $15
Re8 33. Nh5 {White threatens to win material: Nh5xf6} Kg6 {Black threatens to
win material: Kg6xh5} 34. Nf4+ Kf7 35. h5 Ke7 36. Rh1 Rh8 37. Ke3 Rh6 38. Kd4 (
38. b3 Nf7 $17) 38... b6 (38... Ng4 39. Kc4 $17) 39. b4 (39. Kc3 Ng4 40. Nd3 e5
$17) 39... c6 (39... Ng4 40. Kc4 $17) 40. a3 (40. Re1 $5 $17) 40... Ng4 41. Kc4
$2 (41. Ng6+ $142 $5 Kf7 42. Rh4 e5+ 43. Kd3 Nf2+ 44. Ke3 $19) 41... e5 $19 42.
Nd3 Ne3+ 43. Kc3 (43. Kb3 Nxg2 44. Rg1 $19) 43... Kd6 $4 {not a good decision,
because now the opponent is right back in the game} (43... Nxg2 $142 $5 {
might be the shorter path} 44. Rh2 Ne3 45. Rh1 $19) 44. Nb2 (44. g3 Nd5+ 45.
Kd2 Nc7 $17) 44... Nd5+ (44... f4 $142 45. Nc4+ Nxc4 46. Kxc4 Ke6 $19) 45. Kd3
$2 (45. Kd2 b5 46. g3 f4 $19) 45... f4 (45... Nf4+ $5 {seems even better} 46.
Ke3 $19) 46. Nc4+ (46. Na4 b5 47. Nc5 f5 $19) 46... Ke6 47. Ke4 f5+ 48. Kd3 (
48. Kf3 $19) 48... Nf6 $4 {gives the opponent new chances} (48... b5 {and
Black can already relax} 49. Na5 Ne3 50. Rh2 $19) 49. Re1 $4 {cause more grief}
(49. Nxb6 $142 Ne4 50. Rh4 $17) 49... e4+ (49... Ne4 $5 {keeps an even firmer
grip} 50. Nxb6 Rxh5 51. Ke2 $19) 50. Kc3 (50. Kd4 $19) 50... Nd5+ (50... Nd5+
51. Kd4 Rxh5 $19) 0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.14"]
[Round "4.4"]
[White "kuramoto, koutarou"]
[Black "Sugimoto, Koichi"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1622"]
[BlackElo "1872"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "44"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} 1. e4 c5
2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9.
O-O-O d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 e5 13. Bc5 Re8 (13... Rb8 14. Bc4
e4 15. fxe4 Nxc3 16. Qxd8 Ne2+ 17. Bxe2 Bxb2+ 18. Kb1 Be5+ 19. Qb6 Rxb6+ 20.
Bxb6 axb6 21. Bc4 Kg7 22. Bb3 Re8 23. h3 h5 24. Rd3 f6 25. Rhd1 Re7 26. Rd8 Rc7
27. Rg8+ Kh6 28. h4 {Quesada Perez,Y (2636)-Corrales Jimenez,F (2598)
Rockville 2013 1-0 (50)}) 14. Bc4 {White threatens to win material: Bc4xd5} Be6
$146 (14... Qh4 15. Bxd5 cxd5 16. Nxd5 (16. g3 Qh5 17. Qxd5 Be6 18. Qd3 Rec8
19. g4 Qh3 20. Ba3 e4 21. Nxe4 Bxa2 22. Rd2 h6 23. Nd6 Rc7 24. Qe4 Rd8 25. Rhd1
Be6 26. Qf4 h5 27. g5 Ba2 28. Ne8 Rxe8 29. Qxc7 Qxf3 30. Qxa7 Be6 {Pikula,D 
(2530)-Hoffmann,M (2462) Basel 2006 1/2-1/2 (48)}) 16... Qc4 17. Ne7+ Kh8 18.
Qd5 Qf4+ 19. Kb1 Be6 20. Qc6 Qh4 21. Nd5 Rec8 22. Nc7 Rab8 23. b3 Qc4 24. Rd6
Bf5 25. Rc1 Qc3 26. Bxa7 Rxb3+ 27. axb3 Qxb3+ 28. Ka1 e4+ 29. Rd4 {Ernst,T 
(2295)-Petursson,M (2445) Copenhagen 1981 0-1 (35)}) (14... Qa5 15. Ne4 Qxd2+
16. Kxd2 Be6 17. Kc1 Red8 18. Bb3 Bh6+ 19. Kb1 f5 20. Nd6 Rd7 21. Nc4 Rad8 22.
Rde1 Bg7 23. Nxe5 Bxe5 24. Rxe5 Nf4 25. Bxe6+ Nxe6 26. b3 Nxc5 27. Rxc5 Rd2 28.
g4 fxg4 29. fxg4 {Ernst,T (2355)-Welin,T (2330) Gavle 1982 1-0 (47)}) 15. Nxd5
cxd5 16. Bxd5 Bxd5 17. Qxd5 {White has a new passed pawn: c2} Qg5+ 18. Qd2
Qxd2+ 19. Rxd2 (19. Kxd2 $142 {would keep White alive} e4 20. Kc1 $14) 19...
Bh6 $17 {Black threatens to win material: Bh6xd2} 20. Rhd1 Red8 21. c3 $4 {
another step towards the grave} (21. g3 $142 Bxd2+ 22. Rxd2 Rxd2 23. Kxd2 Rd8+
24. Kc3 $17) 21... Rxd2 $19 (21... Bxd2+ $6 22. Rxd2 Rxd2 23. Kxd2 $17) 22.
Rxd2 Rd8 0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.14"]
[Round "4.5"]
[White "Honda, Yoshiki"]
[Black "Okimura, Mikiko"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1848"]
[BlackElo "1000"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "39"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} 1.
e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Bf5 6. Nf3 $146 (6. Qb3 Qb6 (6...
Qc7 7. cxd5 a6 8. Nf3 e6 9. Bc4 exd5 10. Nxd5 Nxd5 11. Bxd5 Nc6 12. Bxc6+ Qxc6
13. O-O Be4 14. Re1 Be7 15. Ne5 Qd5 16. Rxe4 Qxe4 17. Qxf7+ Kd8 18. Bg5 Re8 19.
Bxe7+ Rxe7 20. Qf8+ {1-0 (20) Lohou,S (2180)-Tempone,M (2460) Berlin 1997}) 7.
cxd5 Qxb3 8. axb3 g6 9. Bc4 Bg7 10. Nb5 Na6 11. Rxa6 bxa6 12. Nc7+ Kd7 13. Nxa8
Rxa8 14. f3 Rb8 15. Bf4 Rb6 16. Kd2 h6 17. g4 g5 18. Be5 Bg6 19. Ne2 Ne8 20.
Nc3 f6 {Brajovic,R (2278)-Vukovic,N (2235) Herceg Novi 2005 1-0}) (6. cxd5 Nxd5
7. Qb3 Nxc3 8. bxc3 Qc7 $14) 6... Nc6 {White has an active position} 7. Bg5 g6
$2 (7... Ne4 $142 {and Black has air to breath} 8. cxd5 Nxc3 9. bxc3 Qxd5 $14)
8. Bxf6 $18 exf6 9. cxd5 Nb4 10. Bb5+ Bd7 11. Qe2+ Be7 $4 {leading to a quick
end} (11... Qe7 $142 12. Bxd7+ Kxd7 $18) 12. d6 O-O (12... Bc6 {praying for a
miracle} 13. Bxc6+ bxc6 14. dxe7 Qxe7 15. Qxe7+ Kxe7 $18) 13. dxe7 ({Not} 13.
Qxe7 Re8 14. O-O Rxe7 15. dxe7 Qxe7 $17) 13... Qxe7 14. Qxe7 Bxb5 15. Qxb4
Rfe8+ 16. Kd2 Bd7 17. Nd5 Kh8 18. Nc7 (18. Nxf6 $142 {and White can already
relax} a5 19. Qxb7 Reb8 20. Qxd7 Kg7 $18) 18... Rac8 19. Nxe8 Bxe8 20. Qf8# 1-0

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.14"]
[Round "4.6"]
[White "Nishimori, Toshiyuki"]
[Black "Ono, Yukiko"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1746"]
[BlackElo "1000"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "33"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] D00: 1 d4 d5: Unusual lines} 1. d4 d5 2. Nf3 Nf6 3. Nc3 Nc6 (3...
c6 4. Bf4 Qb6 5. Na4 Qa5+ 6. c3 g6 7. Nc5 Nbd7 8. Nb3 Qb6 9. h3 Bg7 10. e3 c5
11. dxc5 Nxc5 12. Be5 Na4 13. Bd4 Qc7 14. Nbd2 Nxc3 15. bxc3 {0-1 (15)
Hamdouchi,H (2602)-Tkachiev,V (2644) Nancy 2013}) 4. Bf4 $146 (4. Ne5 e6 5. Nf3
Be7 6. e3 a6 7. Be2 O-O 8. O-O b5 9. Nb1 Bb7 10. Nbd2 Ne4 11. Nb1 Bf6 12. Nbd2
Nd6 13. c3 Qe7 14. Qc2 Nc4 15. b3 Nd6 16. Bb2 Qd8 17. Rfe1 b4 18. Rad1 a5 {
Vlahov,D (2244)-Havas,J (2165) Bol 2014 1/2-1/2 (31)}) 4... e6 5. e3 Be7 6. Bd3
O-O 7. h4 a6 {Controls b5} 8. h5 Ng4 9. Nh2 (9. h6 $142 g6 10. Qe2 $16) 9...
Nxf2 $4 (9... e5 $142 {would be a reprieve} 10. Nxg4 exf4 11. exf4 Nxd4 $14)
10. Kxf2 $18 b5 11. Nf3 Nb4 (11... f6 {cannot change what is in store for White
} 12. e4 $18) 12. g4 (12. h6 $142 $5 {keeps an even firmer grip} g5 13. Bg3 f6
$18) 12... c5 13. a3 Nc6 (13... Nxd3+ 14. Qxd3 c4 15. Qd2 $18) 14. g5 c4 15.
Be2 b4 (15... f6 16. gxf6 Bxf6 17. Qd2 $18) 16. axb4 Nxb4 17. Qd2 1-0

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.14"]
[Round "4.7"]
[White "Chay, Florian"]
[Black "Ito, Katsuhide"]
[Result "1-0"]
[ECO "B24"]
[BlackElo "1448"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "69"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] B24: Closed Sicilian: 3 g3 sidelines} 1. e4 c5 2. Nc3 Nc6 3. f4 e6
4. Nf3 Nge7 5. d3 g6 6. g3 Bg7 7. Bg2 a6 $146 {Prevents intrusion on b5} (7...
Rb8 8. O-O b5 9. e5 d6 10. exd6 Qxd6 11. Ne4 Qd8 12. Be3 Bxb2 13. Bxc5 O-O 14.
Rb1 Bg7 15. Ne5 Nxe5 16. fxe5 Bxe5 17. d4 Bg7 18. Bxa7 Rb7 19. Bc5 Nd5 20. Qd3
Rd7 21. Bxf8 Kxf8 22. Kh1 {Redon,B (2230)-Derieux,C (2285) Paris 1993 1-0 (39)}
) (7... f5 8. O-O d5 9. e5 Qd7 10. d4 cxd4 11. Ne2 b6 12. Nexd4 Ba6 13. Rf2 O-O
14. Be3 Rfd8 15. Rd2 Rac8 16. Bh3 h5 17. Bg2 Nxd4 18. Nxd4 Nc6 19. Nxc6 Qxc6
20. c3 Bf8 21. Bd4 Be7 22. Qf3 {Gelashvili,T (2547)-Anastasian,A (2591) Dubai
2002 1/2-1/2}) (7... b6 8. O-O O-O 9. Be3 d5 (9... Ba6 10. e5 d6 11. Re1 Rc8
12. exd6 Qxd6 13. Qd2 Nf5 14. Bf2 Rfd8 15. g4 Nfd4 16. Bh4 Rd7 17. Ne4 Nxf3+
18. Bxf3 Qd4+ 19. Kh1 Qxb2 20. Rab1 Qd4 21. g5 Ne7 22. Bf2 Qa4 23. Nf6+ Bxf6
24. gxf6 {Piroth,A (2265)-Nemeth,Z (2425) Hungary 1997 0-1}) 10. Bf2 dxe4 11.
dxe4 Ba6 (11... Bxc3 12. bxc3 Ba6 13. Re1 Qxd1 14. Raxd1 Rad8 15. Be3 Rxd1 16.
Rxd1 Rd8 17. Rxd8+ Nxd8 18. Kf2 Bb7 19. Nd2 f5 20. exf5 Bxg2 21. Kxg2 Nd5 22.
Kf3 exf5 23. Nb1 Nf7 24. c4 Nb4 25. c3 Nc6 26. Nd2 {Boudenne,J (2240)-Bacrot,E
(2300) Cannes 1995 1/2-1/2 (74)}) 12. Re1 Qc7 13. e5 Rad8 14. Qc1 Nf5 15. Ne4
Ncd4 16. Nxd4 Nxd4 17. c4 Bb7 18. Bxd4 Rxd4 19. Qc2 Rfd8 20. Rad1 Bxe4 21. Bxe4
Qd7 22. Bf3 {Chowdhury,S (2168)-Capo Vidal,U (2340) Hastings 2009 0-1 (54)}) 8.
O-O O-O 9. Qe1 Re8 10. g4 d5 11. e5 {White gets more space} d4 {Black
threatens to win material: d4xc3} (11... Qc7 $5 $11) 12. Ne4 $14 f5 $4 (12...
Nd5 $142 $14 {this is the best bet to save the position}) 13. exf6 $18 Bf8 (
13... Nd5 {does not improve anything} 14. fxg7 Kxg7 15. Ne5 $18) 14. fxe7 (14.
Neg5 $142 {and White takes home the point} Bh6 15. f7+ Kg7 16. fxe8=R Qxe8 17.
Nxe6+ Bxe6 18. Qxe6 Qf7 $18) 14... Bxe7 (14... Qxe7 {cannot undo what has
already been done} 15. f5 $1 {a convincing end} exf5 16. Bg5 $18) 15. Nfg5 {
[%cal Yf4f5] White prepares f5} h6 16. Nh3 (16. Nf3 $142 $5 {keeps an even
firmer grip} Rf8 $18) 16... Rf8 17. f5 exf5 (17... g5 {doesn't improve anything
} 18. fxe6 Rxf1+ 19. Kxf1 Bxe6 20. Nexg5 Bxg4 21. Ne6 $18) 18. gxf5 (18. Bxh6 {
might be the shorter path} Re8 19. gxf5 Bh4 $18) 18... Bxf5 (18... g5 {is
still a small chance} 19. Ng3 Bd6 $18) 19. Bxh6 Bh4 (19... Qd7 {does not save
the day} 20. Bxf8 Rxf8 21. Qg3 $18) 20. Qd2 Re8 (20... Rf7 {cannot change
destiny} 21. Bg5 Bxg5 22. Nhxg5 $18) 21. Bg5 (21. Nhg5 $142 $5 {and White can
already relax} Ne5 22. Qf4 Bxe4 23. Qxh4 Bf5 $18) 21... Bxg5 22. Nhxg5 Ne5 (
22... Re5 {cannot change what is in store for White} 23. Rae1 Qe7 24. Ng3 $18)
23. h3 (23. Qf4 {makes it even easier for White} Ng4 24. Rae1 Re7 $18) 23... c4
24. c3 (24. Qe1 $142 {and the rest is a matter of technique} Ra7 25. dxc4 Nxc4
26. Nf6+ Qxf6 27. Qxe8+ Kg7 28. Rxf5 gxf5 29. Qd7+ Kh6 30. h4 $18) 24... Nxd3
25. Rad1 Bxe4 (25... b5 26. Ng3 dxc3 27. bxc3 Qb6+ 28. Kh2 Rad8 $18) 26. Nxe4 (
{Inferior is} 26. Bxe4 Re5 27. h4 dxc3 28. bxc3 Qd6 $18) 26... dxc3 (26... Kg7
{hoping against hope} 27. b3 b5 28. bxc4 bxc4 $18) 27. Qxc3 Qb6+ 28. Kh2 Qc7+ (
28... Rxe4 {hardly improves anything} 29. Bxe4 Qe6 30. Rxd3 cxd3 31. Qd4 $18)
29. Kh1 Rf8 (29... Re7 {is the last straw} 30. Nf6+ Kh8 31. Nd5+ Qe5 32. Nxe7
Qxc3 33. bxc3 Kg7 $18) 30. Nf6+ Rxf6 31. Qxf6 Ne5 32. Bd5+ Kh7 33. Qh4+ (33.
Rf4 Nf3 34. Bxf3 Qc8 35. Rh4+ Kg8 36. Rh8#) 33... Kg7 $18 34. Qd4 (34. Rde1 Qd8
35. Qd4 Qe8 36. Rxe5 Qxe5 37. Qxe5+ Kh6 38. Qe3+ g5 39. Rf6+ Kh5 40. Bf7+ Kh4
41. Rh6#) 34... Rh8 35. Rf7+ (35. Rf7+ Qxf7 36. Bxf7 Rh5 37. Bxg6 Kxg6 38. Qd6+
Kg7 39. Qe7+ Nf7 40. Rg1+ Rg5 41. Rxg5+ Kh7 42. Qxf7+ Kh6 43. Rh5#) 1-0

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.14"]
[Round "5.1"]
[White "Yoshii, Yukihiko"]
[Black "Dryglas, Maciej"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1750"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "114"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8256] D07: Queen's Gambit: Chigorin Defence} 1. c4 Nc6 2. Nc3 Nf6 3. d4
d5 4. e3 Bg4 $146 (4... dxc4 5. Bxc4 e5 6. d5 (6. Nf3 exd4 7. exd4 Bd6 8. O-O
O-O 9. h3 h6 10. Be3 Bf5 11. Nh4 Bh7 12. Qf3 Ne4 13. Nf5 Ng5 14. Qg4 Qc8 15.
Bd3 Ne7 16. Nxd6 Qxg4 17. hxg4 cxd6 18. Bxg5 hxg5 19. Bxh7+ Kxh7 20. Ne4 Kg6 {
Stern,R (2476)-Koepke,C (2290) Dresden 2007 1-0 (54)}) 6... Ne7 7. Nge2 (7. Nf3
Ng6 8. h4 Bd6 9. h5 Nf8 10. h6 g6 11. e4 a6 12. Bg5 N8d7 13. Nd2 b5 14. Be2 O-O
15. Rc1 Qe8 16. Be3 Bb7 17. a4 b4 18. Ncb1 Qe7 19. g4 Nc5 20. f3 Nfd7 21. Nc4
a5 {Brunello,S (2484)-Vandersmissen,M (2173) Belgium 2010 1/2-1/2 (96)}) 7...
a6 8. Ng3 Ng6 9. O-O Bc5 10. a3 O-O 11. b4 Ba7 12. Bb2 Ne8 13. Nce4 f5 14. Nc5
Nd6 15. Bb3 Kh8 16. f4 Qe7 17. Kh1 b6 18. Nd3 exf4 19. exf4 {Graf,A (2583)
-Zaragatski,I (2436) Nuremberg 2006 1-0}) (4... Bf5 5. Nf3 e6 6. a3 a6 7. b4
dxc4 8. Bxc4 Bd6 9. Bb2 O-O 10. b5 Na5 11. Be2 axb5 12. Nxb5 Be7 13. Nc3 h6 14.
O-O c5 15. a4 Qb6 16. Nb5 Rfd8 17. Rc1 Nc6 18. Qb3 Ne4 19. Rfd1 {Eingorn,V 
(2587)-Miladinovic,I (2604) France 2005 1/2-1/2 (36)}) (4... Bf5 5. Nf3 e6 6.
c5 $11) 5. Be2 (5. Qb3 e6 6. h3 Bf5 $11) 5... Bxe2 $11 {Black forks: d1+c4} 6.
Qxe2 e5 (6... e6 7. a3 $11) 7. a3 {Covers b4} (7. Nf3 exd4 8. exd4+ Be7 $11)
7... dxc4 $11 8. Qxc4 (8. Nf3 $5 {is worth consideration} Bd6 9. Qxc4 $11) 8...
exd4 $17 9. exd4 Qxd4 10. Qe2+ Be7 11. Nf3 Qg4 12. O-O O-O-O 13. h3 Qf5 14. Be3
Qd3 15. Rfe1 Qxe2 16. Rxe2 Nd5 17. Nxd5 Rxd5 18. Rc1 Bf6 19. Bf4 Rhd8 20. b4
Rd1+ 21. Re1 (21. Kh2 Rxc1 22. Bxc1 Rd5 $17) 21... Rxe1+ 22. Rxe1 a6 23. Kh2 (
23. Bg5 Bc3 24. Re3 Rd1+ 25. Kh2 Bb2 $17) 23... Bb2 24. Bc1 Bxc1 25. Rxc1 Rd3
26. Ng5 (26. Ra1 f6 $17) 26... f6 (26... Rxa3 27. Nxf7 Rb3 28. Ng5 $19) 27. Ne6
(27. Nxh7 Rxa3 28. Nf8 Ra2 $17) 27... g5 (27... Rxa3 28. Nxg7 Nxb4 29. Rc4 $19)
28. a4 (28. Nc5 Rxa3 29. Re1 Ra2 30. Re8+ Nd8 $17) 28... Rd6 29. Nc5 (29. Ng7
Kd7 30. Nf5 $19) 29... Nxb4 $19 30. Ne4 Re6 31. f3 Nd3 32. Rc2 (32. Rc3 Ne5 $19
) 32... b6 33. Rd2 Ne5 34. Rc2 h6 35. Ng3 Kb7 36. Nf5 Nf7 37. Rd2 (37. g4 b5
$19) 37... h5 (37... b5 {keeps an even firmer grip} 38. axb5 axb5 39. Rb2 $19)
38. Ng7 Rd6 39. Rxd6 (39. Rf2 h4 40. f4 Nd8 $19) 39... Nxd6 (39... cxd6 $6 40.
Nxh5 f5 41. Ng3 $19) 40. Nxh5 f5 $4 {forfeits the advantage} (40... b5 {
might be the shorter path} 41. axb5 axb5 42. Nxf6 $19) 41. g4 $4 {but even a
better move would not have saved the game} (41. f4 $142 gxf4 42. Nxf4 $17)
41... b5 $19 42. axb5 a5 (42... axb5 {seems even better} 43. gxf5 Nxf5 44. Nf6
$19) 43. Nf6 (43. Ng3 fxg4 44. hxg4 $19) 43... a4 44. Nd5 a3 45. Nc3 Nxb5 $1 {
final destruction.} 46. Na2 (46. Nxb5 a2 {Promotion Passed pawn}) 46... fxg4
47. hxg4 (47. fxg4 {doesn't get the cat off the tree} Kc6 $19) 47... Kc6 48.
Kg3 Nd4 49. Nc3 (49. Nc1 $19 {the only chance to get some counterplay}) 49...
Kc5 50. Kf2 Kc4 51. Na2 Kb3 52. Nc1+ Kc2 53. Na2 Kb2 54. Nb4 c5 55. Nd3+ Kc3
56. Nc1 Kc2 57. Na2 Kb2 (57... Kb2 $19) 0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.14"]
[Round "5.2"]
[White "Aoki, Yasuhiro"]
[Black "Furuse, Mizuki"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "1721"]
[BlackElo "1564"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "119"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] A26: English Opening vs King's Indian with ...Nc6 and d3} 1. c4
Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d3 Nc6 8. a3 a5 9.
Rb1 Re8 10. Bg5 Bd7 $146 (10... h6 11. Bxf6 Bxf6 (11... Qxf6 12. Nd5 Qd8 13. b4
axb4 14. axb4 Ne7 15. Nd2 c6 16. Nxe7+ Rxe7 17. b5 d5 18. Qb3 Be6 19. Rfc1 Kh7
20. Rc2 f5 21. bxc6 bxc6 22. Qb6 Qe8 23. cxd5 cxd5 24. Qc6 Qd8 25. Qb6 Qe8 26.
Qc6 {Varga,P (2402)-Kukula,P (2211) Katowice 2015 1-0 (74)}) 12. b4 (12. Nd2
Bg7 (12... Nd4 13. e3 Ne6 14. b4 axb4 15. axb4 Bg7 16. b5 e4 17. d4 f5 18. Qc2
c5 19. bxc6 bxc6 20. f3 exf3 21. Nxf3 Ra3 22. Qb2 Ra5 23. Rfe1 g5 24. Qd2 Ba6
25. d5 cxd5 26. cxd5 Nc5 27. Nd4 {Karpeshov,O (2200)-Petrushin,A (2415)
Volgodonsk 1983 1-0 (39)}) 13. e3 (13. b4 axb4 14. axb4 e4 15. b5 Ne7 16. Qc1
exd3 17. exd3 Nf5 18. Nf3 c5 19. Kh1 Nd4 20. Nxd4 Bxd4 21. Bd5 Kg7 22. Ne4 f5
23. Nd2 Ra2 24. Nb3 Bf6 25. Qd1 Qe7 26. Re1 Qxe1+ 27. Qxe1 Rxe1+ {Suba,M (2500)
-Sznapik,A (2440) Baile Herculane 1982 1-0 (39)}) 13... Ne7 14. b4 axb4 15.
axb4 e4 16. d4 f5 17. Qb3 Kh8 18. Ra1 Rb8 19. b5 Ng8 20. Nd5 Nf6 21. b6 c6 22.
Nxf6 Qxf6 23. Ra7 Be6 24. Qa4 Qd8 25. Qa5 Bg8 26. Rc1 Bh7 {Djuric,S (2515)
-Fedorowicz,J (2565) Novi Sad 1990 0-1 (50)}) 12... axb4 13. axb4 Be6 14. Nd2
Qd7 15. b5 Nd8 16. Qc2 c6 17. bxc6 bxc6 18. Rb6 Be7 19. Rfb1 d5 20. cxd5 cxd5 {
1/2-1/2 (20) Doda,Z (2405)-Bielczyk,J (2375) Poznan 1976}) (10... h6 11. Be3
$11) 11. Ne4 h6 (11... Ra7 $5 $11 {should not be overlooked}) 12. Nxf6+ $16
Bxf6 13. Bxh6 Qc8 14. Qd2 Bg4 15. Bg5 Bxg5 (15... Bg7 $5 $16) 16. Nxg5 (16.
Qxg5 $6 e4 17. dxe4 Rxe4 $14) 16... f6 17. Bd5+ Kg7 18. f3 Bh3 (18... Bf5 19.
Ne4 $16) 19. Nxh3 Qxh3 20. e3 Nd8 (20... Ne7 21. f4 (21. Bxb7 $143 Ra7 $15)
21... Nxd5 22. cxd5 $16) 21. f4 c6 22. Bg2 Qh6 (22... Qd7 23. d4 exd4 24. exd4
$16) 23. Qf2 (23. f5 gxf5 24. Rxf5 Ne6 $18) 23... Rh8 (23... exf4 24. exf4 Qh5
25. Rbe1 $18) 24. h3 (24. h4 Qh5 $18) 24... f5 (24... Qh5 25. d4 e4 26. Qc2 $16
) 25. e4 Rf8 26. fxe5 dxe5 27. Qc5 Qg5 28. Qxe5+ Kg8 (28... Qf6 29. Qxf6+ Rxf6
30. d4 $18) 29. Qf4 (29. exf5 $142 $5 {seems even better} Nf7 30. Qf4 Qxf4 31.
Rxf4 Ne5 $18) 29... Qxf4 30. Rxf4 Ne6 31. Rf2 Nc5 (31... Rad8 32. exf5 gxf5 33.
Rf3 $18) 32. Rd1 (32. exf5 Nxd3 33. Rd2 Ne5 34. fxg6 Nxc4 $18) 32... Rad8 (
32... fxe4 33. Bxe4 Nxe4 34. dxe4 Rfd8 $18) 33. d4 (33. exf5 $142 {White has a
promising position} gxf5 34. d4 $18) 33... Nxe4 $16 34. Bxe4 fxe4 35. Rxf8+ (
35. Kf1 $142 $16) 35... Kxf8 $2 (35... Rxf8 $142 $5 36. d5 cxd5 37. cxd5 e3 $16
) 36. Kf2 $18 Kg7 $2 (36... Ke7 37. Ke3 Rf8 38. Kxe4 Rf2 $18) 37. Ke3 Rh8 (
37... Kf7 38. d5 cxd5 39. cxd5 $18) 38. h4 Re8 (38... Kf7 {is no salvation} 39.
Rf1+ Kg7 40. Rf4 $18) 39. Rf1 (39. d5 {makes it even easier for White} Kf6 $18)
39... Re7 (39... Rd8 {doesn't change the outcome of the game} 40. Rf4 $18) 40.
Rf4 Kh6 (40... Rd7 {is not the saving move} 41. Rxe4 b6 42. Re6 $18) 41. Rxe4
Rf7 (41... Rd7 {doesn't do any good} 42. Re5 $18) 42. d5 Rd7 43. Rd4 Kg7 (43...
c5 {a fruitless try to alter the course of the game} 44. Rd3 $18) 44. dxc6 Re7+
45. Re4 Rxe4+ (45... Rc7 {a last effort to resist the inevitable} 46. cxb7 Rxb7
$18) 46. Kxe4 bxc6 47. Ke5 Kh6 48. g4 g5 49. h5 Kg7 (49... c5 {doesn't change
anything anymore} 50. Kf5 Kg7 51. Kxg5 Kf7 52. h6 Ke7 53. Kf5 Ke8 54. g5 Kd7
55. g6 Kc7 56. h7 Kd8 57. h8=Q+ Kc7 58. g7 Kd7 59. g8=Q Kc6 60. Qhg7 a4 61.
Qe6#) 50. Kf5 a4 (50... Kf7 {is not much help} 51. h6 Ke7 52. h7 c5 53. Kxg5
Ke6 54. h8=Q Ke7 55. Qc8 Kd6 56. Kf6 a4 57. Kf5 Ke7 58. Qc7+ Kf8 59. Kf6 Ke8
60. Qe7#) 51. Kxg5 c5 (51... Kf7 {does not solve anything} 52. Kf5 Ke7 53. h6
Kd6 54. g5 Kc5 55. g6 Kd4 56. h7 Kd3 57. h8=Q Kc2 58. Qc3+ Kb1 59. g7 c5 60.
g8=Q Ka2 61. Qc2 Ka1 62. b4 axb3 63. Qg1#) 52. Kf5 Kf7 (52... Kg8 {doesn't
change the outcome of the game} 53. g5 Kf7 54. h6 Kf8 55. g6 Ke7 56. h7 Kd6 57.
g7 Kc6 58. g8=Q Kb6 59. h8=Q Kc7 60. Qa8 Kb6 61. Qhd8#) 53. h6 Kg8 (53... Ke7 {
does not help much} 54. g5 Kf8 55. g6 Kg8 56. Ke5 Kf8 57. Kf6 Ke8 58. h7 Kd7
59. g7 Kd6 60. h8=Q Kd7 61. g8=Q Kc7 62. Qa8 Kb6 63. Qhd8#) 54. Kf6 Kh7 (54...
Kf8 {does not win a prize} 55. g5 Ke8 56. g6 Kd7 57. h7 Kc6 58. h8=Q Kb7 59. g7
Kc6 60. Qa8+ Kc7 61. g8=Q Kb6 62. Qgd8#) 55. g5 Kh8 (55... Kg8 {doesn't get
the bull off the ice} 56. g6 Kf8 57. h7 Ke8 58. g7 Kd7 59. g8=Q Kc7 60. h8=Q
Kb6 61. Qa8 Kc7 62. Qhd8#) 56. Kf7 (56. g6 Kg8 57. h7+ Kh8 58. b3 axb3 59. Kf7
b2 60. g7+ Kxh7 61. g8=Q+ Kh6 62. Qg6#) 56... Kh7 57. g6+ Kh8 (57... Kxh6 58.
g7 Kg5 59. g8=Q+ Kf4 60. Qg1 Kf3 61. Ke6 Ke2 62. Qc1 Kf2 63. Qd2+ Kg3 64. Qd6+
Kg4 65. Qd3 Kg5 66. Qg3+ Kh6 67. Kf6 Kh5 68. Qg5#) 58. g7+ Kh7 59. g8=Q+ Kxh6
60. Qg6# 1-0

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.14"]
[Round "5.3"]
[White "Sugimoto, Koichi"]
[Black "Nishimori, Toshiyuki"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1872"]
[BlackElo "1746"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "67"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] D00: 1 d4 d5: Unusual lines} 1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 4. e3
c5 5. dxc5 $146 (5. Nb5 Na6 6. c3 Be7 (6... Qb6 7. a4 Bd7 8. Nf3 c4 9. b3 Qa5
10. bxc4 Bxb5 11. axb5 Qxc3+ 12. Nd2 Nb4 13. Rc1 Nd3+ 14. Bxd3 Qxd3 15. Qe2
dxc4 16. Rxc4 Qxe2+ 17. Kxe2 Nd5 18. Bg3 f5 19. f3 f4 20. Bxf4 Nxf4+ 21. exf4 {
Iotov,V (2581)-Inkiov,V (2435) Sunny Beach 2014 1/2-1/2 (44)}) 7. Nf3 (7. a4
O-O 8. h3 Ne8 9. Nf3 Nac7 10. Nxc7 Nxc7 11. Bd3 Ne8 12. a5 Nf6 13. O-O Bd7 14.
Ne5 a6 15. Qb1 Bb5 16. dxc5 Bxc5 17. Bxb5 axb5 18. Bg5 Be7 19. Qd3 Rxa5 20.
Rxa5 Qxa5 21. b4 Qc7 {Jobava,B (2713)-Yudin,S (2546) Dubai 2014 1/2-1/2 (54)})
7... O-O 8. Be2 (8. Bd3 Bd7 9. a4 c4 10. Bc2 Bxb5 11. axb5 Nc7 12. b6 axb6 13.
Rxa8 Nxa8 14. Ne5 b5 15. O-O Nb6 16. Bg5 Nfd7 17. Bf4 f5 18. g4 Nxe5 19. Bxe5
Bd6 20. Kh1 Nc8 21. gxf5 exf5 22. Rg1 g6 {Meessen,R (2278)-Vocaturo,D (2585)
Bilbao 2014 0-1 (34)}) 8... Ne8 9. O-O Nac7 10. Nxc7 Nxc7 11. c4 cxd4 12. Qxd4
Bf6 13. Qd2 Bd7 14. Rac1 Bc6 15. Rfd1 Rc8 16. Ne5 Qe7 17. Qa5 Rfd8 18. Qxa7
Bxe5 19. Bxe5 dxc4 {Predke,A (2436)-Kovalev,V (2328) Batumi 2010 1/2-1/2 (78)})
(5. Nf3 Qa5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. Ne5 Nxe5 10. Bxe5 O-O 11.
Bxf6 Bxf6 12. Ne2 b5 13. c3 b4 14. Qd2 Rab8 15. Rfc1 bxc3 16. Rxc3 c4 17. Qc2
Rb5 18. b3 Rfb8 19. Rc1 Be7 {Miroslaw,M (2283)-Bartel,M (2327) Jastrzebia Gora
2015 0-1 (64)}) (5. Nf3 c4 6. Be2 Qa5 $11) 5... Bxc5 6. Nf3 O-O 7. Bd3 Nc6 8.
O-O Re8 9. e4 d4 {Black threatens to win material: d4xc3} 10. Na4 b6 {Secures
c5} 11. Nxc5 bxc5 {White has the pair of bishops} 12. e5 {White threatens to
win material: e5xf6} Nd5 13. Bg3 Rb8 {Black threatens to win material: Rb8xb2}
14. Qc1 (14. c4 dxc3 15. bxc3 h6 $11) 14... a5 (14... Qb6 $5 $11) 15. Ng5 {
White threatens to win material: Ng5xh7} h6 {Black threatens to win material:
h6xg5} 16. Ne4 Ncb4 17. Bc4 Ba6 18. Bxa6 Nxa6 19. Nd6 {White threatens to win
material: Nd6xe8. Menacing} Rf8 20. Re1 Nab4 21. Re4 f5 22. exf6 Nxf6 23. Rxe6
Nbd5 (23... Nh5 24. Be5 Qd7 25. Rxh6 gxh6 26. Qxh6 $11) 24. Nf5 (24. Nc4 $142
$5 Qd7 25. Rxf6 Nxf6 26. Bxb8 Rxb8 27. Nxa5 $16) 24... Qd7 $14 {Black
threatens to win material: Qd7xe6} 25. Re5 (25. Bxb8 $2 {doesn't lead to the
expected results} Qxe6 26. Nxh6+ gxh6 $19) 25... Rb6 {White has a cramped
position} (25... Rbe8 26. Rxe8 Rxe8 27. Nd6 $11) 26. Nh4 (26. c4 dxc3 27. bxc3
Re6 $14) 26... Ng4 {Black threatens to win material: Ng4xe5} 27. Re4 h5 (27...
Ngf6 $142 $5 {is worthy of consideration} 28. Re5 Ng4 $14) 28. h3 $16 Ngf6 29.
Re5 Re8 30. Rg5 {White has a cramped position} (30. Rxe8+ $142 Qxe8 31. Qg5 $16
) 30... Rbe6 $4 {hands over the advantage to the opponent} (30... Ne4 31. Rxh5
Ne3 $17 (31... Nxg3 $143 32. fxg3 Ne3 33. b3 $14)) 31. Nf5 $18 Re1+ (31... R8e7
32. Qf1 Ne4 33. Nxe7+ Rxe7 34. Rxh5 $18) 32. Qxe1 Rxe1+ 33. Rxe1 Kf8 (33... Kh8
{desperation} 34. Nxg7 Nh7 $18) 34. Bd6+ (34. Bd6+ Kg8 35. Rxg7+ Qxg7 36. Nxg7
Kxg7 37. Bxc5 $18) 1-0

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.14"]
[Round "5.4"]
[White "Honda, Yoshiki"]
[Black "Nakamura, Mitsuru"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1848"]
[BlackElo "1644"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "77"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8256] B23: Closed Sicilian: Lines without g3} 1. e4 c5 2. Nc3 d6 3. f4
Nc6 4. Nf3 Qc7 $146 (4... a6 5. Bc4 (5. a4 Nf6 (5... Bg4 6. Be2 g6 7. O-O Bg7
8. h3 Bd7 9. Bc4 e6 10. d3 Nge7 11. Qe1 Nd4 12. Nxd4 cxd4 13. Ne2 b5 14. axb5
axb5 15. Rxa8 Qxa8 16. Bb3 Nc6 17. f5 gxf5 18. exf5 Be5 19. fxe6 Bxe6 20. Bxe6
{Lalic,S (2345)-Hamid,R (2320) London 1989 1-0 (72)}) 6. g3 e6 7. Bg2 Be7 8.
O-O O-O 9. d3 Rb8 10. h3 b5 11. axb5 axb5 12. Kh2 b4 13. Ne2 d5 14. e5 Ne8 15.
d4 f6 16. Be3 fxe5 17. Nxe5 Nxe5 18. fxe5 Rxf1 19. Qxf1 c4 {Eid,F (2225)
-Hamdouchi,H (2555) Dubai 1995 1/2-1/2}) (5. g3 b5 6. Bg2 Bb7 7. O-O g6 8. d4
cxd4 9. Nxd4 Bg7 10. Be3 Na5 11. Rb1 Qc8 12. Nd5 Nc4 13. Bf2 e6 14. Ne3 Nxe3
15. Bxe3 Nf6 16. Qd3 O-O 17. h3 Rd8 18. Nb3 Qc7 19. Rbd1 Rac8 {Kuzev,J (2310)
-Chakov,P (2365) Bankia 1992 0-1 (51)}) 5... e6 6. d3 Nf6 7. Qe2 Be7 8. e5 dxe5
9. fxe5 Nd7 10. Bf4 Nd4 11. Nxd4 cxd4 12. Ne4 Nxe5 13. Bxe5 f6 14. Bg3 O-O 15.
O-O Kh8 16. Qh5 e5 17. Bf7 Bd7 18. Bg6 h6 19. Rf2 {Rumens,D (2310)-Damjanovic,
M (2430) Hastings 1976 1-0 (44)}) (4... e5 5. Bb5 exf4 6. d4 cxd4 7. Qxd4 Bd7
8. Bxc6 bxc6 9. Bxf4 Qb6 10. Qxb6 axb6 11. O-O-O Nf6 12. Bxd6 Bxd6 13. Rxd6 Ke7
14. Rhd1 Rhd8 15. a3 Be8 16. Rxd8 Rxd8 17. Rxd8 Kxd8 18. Kd2 Kc7 19. Ke3 {
Hiermann,D (2249)-Stadler,P (2178) Oberpullendorf 2002 1/2-1/2 (58)}) 5. Bc4 e6
{Consolidates d5} 6. d3 Nf6 7. O-O Be7 8. Qe1 e5 (8... O-O $5 $14 {is
interesting}) 9. fxe5 $16 dxe5 10. Nd5 Nxd5 $2 (10... Qd6 $142 $16) 11. exd5
$18 (11. Bxd5 $6 Be6 $16) 11... Nd4 12. Nxe5 f6 13. Nf7 $1 {Double attack: c7/
f7} Nxc2 $2 (13... Kxf7 14. d6+ {Passed pawn Double attack}) 14. d6 (14. Qd1 $5
{seems even better} Rf8 15. d6 Bxd6 16. Nxd6+ Qxd6 17. Qxc2 Rf7 $18) 14... Nxe1
15. Rxe1 (15. dxc7 $6 {is no comparison} Nc2 16. Nxh8 Nxa1 $16) 15... Qc6 (
15... Rf8 {otherwise it's curtains at once} 16. dxc7 Rxf7 $18) 16. Rxe7+ Kf8
17. Nxh8 (17. Bf4 b5 18. Nd8 Qd7 19. Ne6+ Kg8 20. Nxc5+ bxc4 21. Nxd7 Bxd7 22.
Rxd7 cxd3 $18) 17... Qxd6 (17... Bd7 {praying for a miracle} 18. a4 Re8 $18)
18. Rf7+ Ke8 19. Rxg7 (19. Be3 $142 {seems even better} Be6 20. Re1 Bxf7 21.
Bxc5+ Qe6 22. Bxe6 Bxe6 23. Rxe6+ Kd7 24. Rd6+ Ke7 25. Rb6+ Kd7 26. Rxb7+ Kc6
27. Rxa7 Rxh8 $18) 19... Qd4+ 20. Kh1 f5 (20... Qf2 {cannot undo what has
already been done} 21. Bh6 Rb8 22. d4 $18) 21. Bb5+ (21. Bh6 $142 {and White
has prevailed} Bd7 22. Nf7 $18) 21... Kf8 22. Bh6 (22. Rf7+ $142 {might be the
shorter path} Kg8 23. Bc4 $18) 22... Be6 (22... Qxg7 23. Bxg7+ Kxg7 $18) 23.
Rd7+ (23. Rg4+ $1 {keeps an even firmer grip} Ke7 24. Rxd4 cxd4 $18) 23... Kg8
24. Rxd4 cxd4 25. Bc4 (25. Re1 $142 $5 {makes it even easier for White} Bxa2
26. Re7 Kxh8 $18) 25... Bxc4 26. dxc4 Kxh8 27. Rd1 (27. Re1 {and White can
already relax} Rd8 28. Re7 d3 $18) 27... Rd8 (27... Re8 {doesn't change
anything anymore} 28. Kg1 Re4 29. Kf2 $18) 28. Be3 d3 29. g3 a6 30. Kg2 Kg7 31.
Kf3 Kf6 32. Bf4 Rd4 33. b3 b5 (33... h5 {does not win a prize} 34. Ke3 Re4+ 35.
Kxd3 $18) 34. cxb5 (34. c5 $142 $5 {and White can already relax} Ke7 35. c6 Kd8
$18) 34... axb5 35. Ke3 Rd8 36. Rxd3 Ra8 37. Rd2 Re8+ 38. Kd4 Rd8+ (38... Rc8
$18 {the last chance for counterplay}) 39. Kc5 (39. Kc5 Rc8+ 40. Kxb5 $18) 1-0

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.14"]
[Round "5.5"]
[White "Chay, Florian"]
[Black "Tang, Yichen"]
[Result "0-1"]
[ECO "B41"]
[BlackElo "1696"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "72"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] B41: Sicilian: Kan Variation: 5 c4} 1. e4 c5 2. Nf3 e6 3. d4 cxd4
4. Nxd4 a6 5. Be2 Qc7 6. O-O Nf6 (6... b6 7. Nc3 Bb7 8. f4 Nf6 9. Bf3 d6 10.
Kh1 Nbd7 11. Qe1 g6 12. e5 Bxf3 13. Nxf3 Nh5 14. g4 Ng7 15. Nd5 Qb7 16. Nf6+
Kd8 17. Kg1 h5 18. Ng5 Nxf6 19. exf6 Ne8 20. Be3 Rc8 21. Rd1 {Dijkhuis,T (2276)
-Lanka,Z (2413) Bargteheide 2015 0-1 (56)}) 7. f3 $146 {Prevents intrusion on
e4+g4} (7. Bf3 d6 8. Be3 (8. a4 Nbd7 9. g3 Be7 10. Nc3 O-O 11. Bg2 Nb6 12. Qe2
Bd7 13. Rd1 Rac8 14. h3 Rfd8 15. a5 Nc4 16. Nb3 Be8 17. g4 b5 18. axb6 Qxb6 19.
g5 Nd7 20. Rd4 Nde5 21. Kh1 Bb5 22. Nxb5 axb5 {Grimaldi,R (2200)-Gonzales,L 
(2200) Mexico City 1978 1-0}) 8... Nbd7 9. Nd2 Be7 10. c4 O-O 11. Rc1 Ne5 12.
Be2 Bd7 13. h3 Rac8 14. a3 Qb8 15. Qb3 Rfd8 16. g4 d5 17. cxd5 exd5 18. exd5
Rxc1 19. Rxc1 Bc8 20. Nc6 Nxc6 21. dxc6 Nd5 {Schlechter,C-Mieses,J Berlin 1918
1-0}) (7. Qd3 Nc6 8. Nc3 Nxd4 9. Qxd4 Bc5 10. Qd3 d6 11. Bf4 Nd7 12. Qg3 Kf8
13. Rad1 Ne5 14. Na4 f6 15. Nxc5 Qxc5 16. c3 Bd7 17. Be3 Qc7 18. Rd4 Bb5 19. c4
Be8 20. Rfd1 Nf7 21. c5 Qxc5 {Aveskulov,V (2544)-Kryvoruchko,Y (2627) Beijing
2008 1-0 (31)}) (7. Nd2 d6 8. Re1 Be7 9. Bf1 O-O 10. c4 Nc6 11. N2f3 b6 12.
Nxc6 Qxc6 13. Nd4 Qc7 14. b3 Bb7 15. f3 d5 16. cxd5 Bd6 17. f4 Bxf4 18. Bxf4
Qxf4 19. g3 Qe5 20. Bg2 Rfe8 21. Qd2 Rad8 {Rusan,P (2285)-Carmaciu,L (2429)
Cap Aurora 2014 0-1 (42)}) (7. Nc3 Bb4 $14) 7... Bc5 8. Kh1 Bxd4 (8... Nc6 $5
9. Nb3 Be7 $11) 9. Qxd4 $16 Qxc2 $4 {causes further problems for White.} (9...
Nc6 $142 10. Qf2 d5 $14) 10. Nc3 $18 Nc6 (10... d5 {hardly improves anything}
11. Qg1 Nc6 $18) 11. Qd1 (11. Qd6 $142 {secures the win} Kd8 12. Rd1 $18) 11...
Qxd1 $11 12. Rxd1 ({Less advisable is} 12. Nxd1 d5 $15) ({Weaker is} 12. Bxd1
d5 $15) 12... O-O 13. Be3 (13. Na4 d5 14. Nb6 Rb8 15. exd5 Nxd5 16. Nxd5 exd5
$11) 13... Rd8 {Black's piece can't move: c8} (13... d5 14. g4 $11) 14. Na4 b5
15. Nc5 (15. Rac1 $5 bxa4 16. Rxc6 $14) 15... d6 16. Nb3 Bb7 17. Rac1 Rac8 18.
a3 {Controls b4} d5 {Black threatens to win material: d5xe4} 19. Bb6 Rd7 20.
Nc5 {White threatens to win material: Nc5xd7} Re7 21. Nxb7 (21. a4 $5 $11)
21... Rxb7 $15 22. e5 $2 (22. Bf2 $142 $5 $15 {should be considered}) 22... Nd7
(22... Rxb6 23. exf6 gxf6 24. Kg1 $19) 23. Bd4 (23. Bf2 Ndxe5 24. a4 Nc4 25.
axb5 axb5 $17) 23... Rbb8 24. f4 $4 {the position was bad, and this mistake
simply hastens the end} (24. Bf2 $142 $19) 24... Nxd4 25. Rxc8+ Rxc8 26. Rxd4
Rc1+ (26... Rc2 {and Black can already relax} 27. Bg4 Rxb2 28. h4 $19) 27. Rd1
Rxd1+ (27... Rc2 $142 {might be the shorter path} 28. Bf1 g5 29. fxg5 Rxb2 30.
Re1 $19) 28. Bxd1 f6 (28... Nc5 29. Bc2 d4 30. Kg1 $19) 29. Bg4 (29. exf6 $5
Nxf6 30. Kg1 $17) 29... Kf7 $19 30. f5 $4 {terrible, but the game is lost in
any case} (30. exf6 Kxf6 31. Kg1 $19) 30... exf5 (30... Nxe5 $142 {keeps an
even firmer grip} 31. fxe6+ Ke7 32. Bf5 $19) 31. Bxf5 Nxe5 32. Bc8 a5 33. b4
axb4 34. axb4 Nd3 35. Bb7 (35. Bd7 $19) 35... Nxb4 36. Bxd5+ (36. Kg1 $19 {
there is nothing better in the position}) 36... Nxd5 (36... Nxd5 37. h4 b4 38.
Kg1 b3 39. Kf2 b2 40. Ke1 b1=Q+ 41. Kd2 Qb4+ 42. Ke2 Qe4+ 43. Kd2 Qd4+ 44. Ke2
Qe3+ 45. Kd1 Qf2 46. Kc1 Nb4 47. Kd1 Qc2+ 48. Ke1 Nd3+ 49. Kf1 Qf2#) 0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.14"]
[Round "5.6"]
[White "Ono, Yukiko"]
[Black "kuramoto, koutarou"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1000"]
[BlackElo "1622"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "30"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{B23: Closed Sicilian: Lines without g3} 1. e4 c5 2. Nc3 d6 3. Bc4 Nf6 (3... e6
4. f4 a6 5. d3 Nf6 6. e5 dxe5 7. fxe5 Nfd7 8. Nf3 Nc6 9. Bf4 Be7 10. Qe2 g5 11.
Bg3 g4 12. Nd2 Nd4 13. Qd1 Bh4 14. Qxg4 Nxc2+ 15. Ke2 Bxg3 16. hxg3 Nxa1 17.
Qg7 Rf8 18. Nde4 {Nadj Hedjesi,B (2407)-Ilincic,Z (2447) Subotica 2010 0-1}) 4.
d3 g6 $146 (4... e6 5. Bg5 (5. f4 Be7 6. Nf3 a6 7. a4 Nc6 8. O-O O-O 9. Kh1 Nb4
10. Bb3 Qc7 11. Qe2 Bd7 12. Nd1 b5 13. axb5 axb5 14. Rxa8 Rxa8 15. c3 Nxd3 16.
Bd2 c4 17. Bc2 Bc6 18. e5 Ne4 19. Be3 Rd8 {Elfert,A (2369)-Somogyi,Z (2164)
Oberwart 2002 0-1 (57)}) 5... Be7 6. f4 (6. Nf3 Nc6 7. a3 a6 8. O-O h6 9. Bf4
g5 10. Bd2 b5 11. Ba2 Bb7 12. Ne2 d5 13. Ng3 dxe4 14. dxe4 g4 15. Ne1 h5 16.
Bc3 Qxd1 17. Rxd1 h4 18. Ne2 Rg8 19. Bxf6 Bxf6 20. c3 Ne5 {Nikolic,S (2405)
-Mariotti,S (2470) Rovigo 1976 0-1 (62)}) 6... O-O 7. Nf3 d5 8. Bb3 d4 9. Bxf6
Bxf6 10. Nb1 Nc6 11. Nbd2 a6 12. O-O b5 13. Kh1 Bb7 14. g4 Na5 15. Qe2 Rc8 16.
a4 Qc7 17. axb5 axb5 18. g5 Be7 19. Ne5 {Becker,T (2220)-Schwing,H (2240)
Merzig 1996 0-1 (44)}) (4... Nc6 5. Nge2 e6 6. a4 d5 7. exd5 exd5 8. Bb3 Be7 9.
O-O O-O 10. Bf4 Be6 11. Nb5 Rc8 12. c3 Qd7 13. Bc2 a6 14. Na3 Bg4 15. h3 Bh5
16. Qd2 Rfe8 17. Ng3 Bg6 18. Rfe1 Bd6 19. Bxd6 {Balazs,T (2240)-Sapi,L (2300)
Hungary 1993 1/2-1/2 (43)}) 5. Be3 Bg7 6. Nge2 O-O 7. O-O Ng4 8. Qd2 (8. Bg5
Nc6 $11) 8... Nxe3 9. Qxe3 {Black has the pair of bishops} (9. fxe3 Nc6 $11)
9... Nd7 (9... Nc6 10. Rab1 $15) 10. a4 {Black's piece can't move: c8} (10. f4
e6 $11) 10... Qb6 {Black threatens to win material: Qb6xb2} (10... Ne5 11. f4
Nxc4 12. dxc4 $11) 11. Rab1 Ne5 12. Rfd1 Nxc4 {Black forks: e3+b2} 13. dxc4 {
White has new doubled pawns: c2+c4} Be6 14. b3 {Covers c4} Rac8 15. Nd5 Qd8 0-1

[Event "Sapporo Autumn Chess Tournament 2024"]
[Site "Sapporo Chess Club"]
[Date "2024.10.14"]
[Round "5.7"]
[White "Okimura, Mikiko"]
[Black "Yajima, Machiko"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1000"]
[BlackElo "1469"]
[Annotator "Fritz 11 SE (30s)"]
[PlyCount "48"]
[EventDate "2024.10.13"]
[EventRounds "5"]
[EventCountry "JPN"]

{[%mdl 8192] A40: Unusual replies to 1 d4} 1. d4 b6 2. Nf3 Bb7 3. c4 (3. g3
Bxf3 4. exf3 d5 5. f4 e6 6. Bg2 c6 7. O-O Bd6 8. f5 exf5 9. c4 dxc4 10. d5 Ne7
11. dxc6 Nbxc6 12. Qa4 Qc8 13. Bg5 f6 14. Be3 Rb8 15. Nc3 a6 16. Qxc4 Ne5 17.
Qb3 Qc4 {Kurajica,B (2590)-Maljutin,E (2480) Moscow 1992 1-0 (38)}) 3... g6 4.
g3 (4. Nc3 Nf6 5. Qc2 d5 6. cxd5 Nxd5 7. e4 Nxc3 8. bxc3 Bg7 9. Bg5 Nd7 10. Rd1
O-O 11. Bd3 c5 12. O-O h6 13. Bf4 cxd4 14. cxd4 e6 15. Qd2 g5 16. Bd6 Re8 17.
Qe3 Nf6 18. e5 Nh5 {Lerner,K (2521)-Gershkowich,D (2342) Herzliya 2008 1-0 (36)
}) 4... Bg7 5. Bg2 d6 $146 {Consolidates e5} (5... e6 6. O-O f5 7. Nc3 Nf6 8.
d5 exd5 9. cxd5 Na6 10. Be3 O-O 11. Rc1 Nc5 12. b4 Nce4 13. Bd4 Nxc3 14. Bxc3
Re8 15. Be5 c6 16. dxc6 dxc6 17. Qb3+ Nd5 18. Bxg7 Kxg7 19. Nd4 Qf6 20. Nxc6 {
Adrian,C (2310)-Wade,R (2200) Hampstead 1998 1-0 (51)}) 6. O-O Nh6 (6... Nf6 7.
Nc3 $14) 7. Bf4 (7. Nc3 O-O $16) 7... O-O $14 8. Nc3 a6 {Controls b5} (8... Nd7
9. Re1 $14) 9. a4 (9. e4 Nc6 $16) 9... e6 {Secures d5} (9... Nd7 10. Bh3 $14)
10. Re1 (10. Bg5 f6 11. Bc1 a5 $16) 10... Nf5 (10... Nc6 11. d5 exd5 12. cxd5
$14) 11. e4 {White threatens to win material: e4xf5} (11. d5 Bxc3 12. bxc3 e5
$14) 11... Ne7 (11... Nxd4 12. Nxd4 e5 13. Be3 exd4 14. Bxd4 $11) 12. e5 (12.
a5 $5 $16) 12... Nbc6 $14 13. Qd2 (13. Qe2 d5 $14) 13... Na5 $11 {Black
threatens to win material: Na5xc4} 14. Na2 (14. Qd3 $5 $11 {must be considered}
) 14... Nxc4 (14... Nb3 15. Qe2 Nxa1 16. Rxa1 $17) 15. Qc3 (15. Qe2 Na5 $15)
15... d5 (15... b5 $142 $5 $17) 16. Nb4 Na5 17. b3 {Consolidates c4} (17. Nd3
$5 $11) 17... Rc8 $17 {Black has a cramped position} 18. Nd3 c5 19. dxc5 bxc5 (
19... d4 $142 $5 20. Qb2 bxc5 $17) 20. Nxc5 Qb6 (20... d4 21. Nxb7 (21. Nxd4 $4
Bxg2 22. b4 Ba8 $19) 21... dxc3 22. Nxd8 Rfxd8 23. b4 $15) 21. Nd7 {White
threatens to win material: Nd7xb6. White forks: b6+f8} (21. b4 $142 $5 {
should be investigated more closely} Rc7 22. Rab1 $14) 21... Rxc3 $15 (21...
Nxb3 $2 {doesn't lead to anything significant} 22. Qxc8 (22. Nxb6 {is clearly
worse} Rxc3 23. Rab1 Nc6 $15) 22... Nxc8 23. Nxb6 Nxa1 24. Nd7 $18) 22. Nxb6
Nxb3 23. Nd7 $2 (23. Rab1 Nc6 24. Re3 Rxe3 25. Bxe3 Nba5 $15) 23... Rd8 {
Black threatens to win material: Rd8xd7} (23... Nxa1 $142 {and Black gets the
upper hand} 24. Nxf8 Nc2 $19 (24... Kxf8 $143 25. Rxa1 Rb3 26. Be3 $17)) 24.
Rab1 $4 {strolling merrily down the path to disaster} (24. Nf6+ $142 Bxf6 25.
exf6 $17) 24... Rxd7 $19 0-1

