[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.11"]
[Round "1"]
[White "Conquest, Stuart C"]
[Black "Olim, Daniel F"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2430"]
[PlyCount "78"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4
O-O 9. O-O Bg4 10. a4 Nbd7 11. h3 Bh5 12. Qe2 Rc8 13. Ba2 Qc7 14. Rfd1 Bg6 15.
Bg5 h6 16. Bh4 Rfe8 17. Nd2 Qc6 18. a5 b5 19. axb6 Qxb6 20. Bb3 Nc5 21. Na4
Nxa4 22. Bxa4 Red8 23. Bb3 Ra8 24. Bxf6 Bxf6 25. Bd5 Ra7 26. Nc4 Qc7 27. Na5
Rc8 28. Nc6 Rb7 29. b4 a5 30. bxa5 Rb2 31. a6 Qb6 32. a7 Qc5 33. a8=Q Rxa8 34.
Rxa8+ Kh7 35. Ra5 Qc3 36. Rd3 Rb1+ 37. Kh2 Qb2 38. Rb3 Qc1 39. Rxb1 Qxb1 {
Sources: Tournament bulletin and 'Zugzwang' No. 12 (1986). Contributed by
Brian Denman, 30 June 2023.} 1-0

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.11"]
[Round "1"]
[White "Singh, N."]
[Black "Houston, David A"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "96"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. Be3 cxd4 8.
Qxd4 Nc6 9. Qd2 Rd8 10. Qc2 Bc5 11. Bxc5 Qxc5 12. Nbd2 O-O 13. O-O Bf5 14. Qa4
Bd3 15. Bxd3 Rxd3 16. Qc4 Qxc4 17. Nxc4 Rfd8 18. Ne3 Nd5 19. Rfe1 Nxe3 20. Rxe3
Rxe3 21. fxe3 f6 22. Kf2 e5 23. Ke2 Kf7 24. Rd1 Rxd1 25. Kxd1 e4 26. Nd4 Ne5
27. Nb5 Nc4 28. b3 Nxe3+ 29. Ke2 Nxg2 30. Nd6+ Ke6 31. Nxe4 b6 32. a4 Ke5 33.
Nd2 Nf4+ 34. Kf3 Nd5 35. c4 Nc7 36. Ke3 f5 37. Nf3+ Kf6 38. h4 Ne6 39. b4 g6
40. Kd3 h6 41. Ke3 g5 42. hxg5+ hxg5 43. Nd2 g4 44. Nf1 Ke5 45. Kd3 f4 46. Nh2
Kf5 47. Ke2 Nd4+ 48. Kd3 g3 {Source: David Houston. Contributed by David
McAlister, 28 June 2023.} 0-1

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.12"]
[Round "2"]
[White "Depasquale, Chris"]
[Black "Kudrin, Sergey Gennadyevich"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2305"]
[BlackElo "2495"]
[PlyCount "85"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. h4 d5 4. Nd2 Nxg5 5. hxg5 Bf5 6. e3 c5 7. g4 Bd7 8. g6
fxg6 9. Bd3 Qb6 10. dxc5 Qf6 11. Qf3 e5 12. Qxf6 gxf6 13. Bxg6+ Kd8 14. g5 Bg7
15. gxf6 Bxf6 16. Bh5 Na6 17. O-O-O Rc8 18. Nb3 Ke7 19. Bf3 e4 20. Be2 Be6 21.
Bxa6 bxa6 22. Ne2 Bg4 23. Rd2 Bf3 24. Rh6 Rcg8 25. c3 Bg5 26. Rxa6 h5 27. Ng3
h4 28. Nf5+ Kf8 29. Rxa7 h3 30. Nbd4 Rh6 31. Ra8+ Kf7 32. Nxh6+ Bxh6 33. Ra7+
Kg6 34. Nxf3 exf3 35. Rxd5 Bxe3+ 36. Kc2 Bf4 37. Ra6+ Kg7 38. Rd7+ Kh8 39. Raa7
Re8 40. Rh7+ Kg8 41. Rxh3 Re2+ 42. Kb3 Rxf2 43. c6 {Source: Informator 42/58}
1-0

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.12"]
[Round "2"]
[White "Houston, David A"]
[Black "Conquest, Stuart C"]
[Result "0-1"]
[ECO "B21"]
[BlackElo "2430"]
[PlyCount "78"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 a6 7. O-O b5 8. Bb3
Nge7 9. Bf4 Ng6 10. Bg3 d6 11. Qe2 Be7 12. Rfd1 Bb7 13. a3 O-O 14. Rd2 Qc7 15.
Qd1 Rfd8 16. Rc1 Qb8 17. h4 h6 18. Ba2 Ra7 19. Nh2 Na5 20. Qh5 Nc4 21. Bxc4
bxc4 22. Rcd1 Bc6 23. Nf3 Rb7 24. Nd4 Be8 25. Rb1 Ne5 26. Qe2 Nd3 27. Na2 Bf6
28. Nf3 Bxb2 29. Ne1 Bxa3 30. Rxb7 Qxb7 31. Nxd3 cxd3 32. Qxd3 Bc5 33. Nc3 a5
34. Nd1 Bc6 35. e5 Bxg2 36. exd6 Bh3 37. Ne3 Qf3 38. Qe2 Qxe2 39. Rxe2 Bxd6 {
Sources: Tournament bulletin and 'Zugzwang' No. 13 (1986). Contributed by
Brian Denman, 30 June 2023.} 0-1

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.12"]
[Round "2"]
[White "Thipsay, Praveen Mahadeo"]
[Black "Le Blancq, Simon Charles"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2485"]
[BlackElo "2410"]
[PlyCount "95"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Bg4 8.
Re1 Be7 9. c3 f5 10. Qb3 O-O 11. Nbd2 Nxd2 12. Nxd2 Kh8 13. Qxb7 Rf6 14. Qb3
Bd6 15. Nf1 Rg6 16. g3 Ne7 17. Ne3 Bf3 18. Nxf5 Nxf5 19. Bxf5 Qf6 20. Bxg6 hxg6
21. Re3 Rf8 22. Bd2 c5 23. Qa4 Qf5 24. Qc6 Rf6 25. Re8+ Rf8 26. Re3 Rf6 27.
dxc5 Bxg3 28. Qe8+ Rf8 29. fxg3 Rxe8 30. Rxe8+ Kh7 31. Rf1 Qd3 32. Rf2 Be4 33.
Ref8 Qb1+ 34. Rf1 Qxb2 35. R8f2 Qb5 36. Be3 Qd3 37. Bd4 Qb5 38. h4 Qd7 39. Kh2
Qg4 40. Rf7 Qe2+ 41. R1f2 Qd1 42. Rf1 Qe2+ 43. R7f2 Qg4 44. c6 Qc8 45. Rf7 Qxc6
46. Rxg7+ Kh6 47. Rg8 g5 48. Rf6+ 1-0

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.13"]
[Round "3"]
[White "Conquest, Stuart C"]
[Black "Wohl, Aleksandar H"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2430"]
[BlackElo "2245"]
[PlyCount "100"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 c6 6. O-O Bg7 7. Re1 O-O 8. exd6
Qxd6 9. Bb3 Bg4 10. Nbd2 Nd7 11. h3 Bxf3 12. Nxf3 Rfe8 13. Bg5 a5 14. c4 N5f6
15. a3 h6 16. Bh4 Qb8 17. Qc2 e6 18. Bg3 Qa7 19. Re3 Rac8 20. Qe2 a4 21. Ba2 c5
22. dxc5 Nxc5 23. Be5 Red8 24. Nd4 Nh5 25. Nb5 Qb6 26. Bh2 Rd7 27. Re1 Rcd8 28.
Bb1 Qc6 29. Rf3 Rd2 30. Qf1 Rxb2 31. Bc7 Rd7 32. Ba5 Rb3 33. Rfe3 Nf4 34. Bc2
Rb2 35. Rc1 Nfd3 36. Bxd3 Nxd3 37. Rxd3 Rxd3 38. Qxd3 Rxb5 39. cxb5 Qxc1+ 40.
Kh2 Be5+ 41. g3 Qb2 42. Bb6 Kg7 43. Kg1 Qb3 44. Qe2 Bd6 45. Bd4+ Kg8 46. b6
Qxa3 47. Qc2 e5 48. Qc8+ Kg7 49. Be3 Qb3 50. Qd7 Qb4 0-1

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.13"]
[Round "3"]
[White "Hebden, Mark L"]
[Black "Martinovsky, Eugene Simeon"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "2445"]
[BlackElo "2270"]
[PlyCount "139"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nf6 5. Bc4 Nc6 6. d3 O-O 7. f5 h6 8. Nd5
Nd4 9. Nxf6+ Qxf6 10. Nxd4 Bxd4 11. c3 Bb6 12. Qh5 c6 13. Rf1 d5 14. exd5 e4
15. d4 c5 16. g4 e3 17. dxc5 Bxc5 18. Ke2 b5 19. Bd3 Re8 20. g5 hxg5 21. Rf3
Bd7 22. b4 Qxc3 23. Rh3 Kf8 24. bxc5 Qxa1 25. Bxe3 Qxa2+ 26. Kf1 Qa1+ 27. Kf2
Qa2+ 28. Be2 Qxd5 29. Qh8+ Ke7 30. Qxg7 Kd8 31. Qxg5+ Kc8 32. Rh6 Qxf5+ 33.
Qxf5 Bxf5 34. Bxb5 Rxe3 35. Kxe3 Rb8 36. Rc6+ Kd8 37. Bc4 Bg6 38. Ra6 Rb7 39.
Kd4 Kc7 40. Bd5 Rb4+ 41. Kc3 Rh4 42. Rxa7+ Kb8 43. Re7 Rxh2 44. c6 Rc2+ 45. Kd4
f6 46. Rb7+ Kc8 47. Be6+ Kd8 48. Rd7+ Kc8 49. Rg7+ Kd8 50. Rxg6 Rxc6 51. Bf5
Ke7 52. Rg7+ Kf8 53. Ra7 Rc1 54. Kd5 Re1 55. Kd6 Re2 56. Be6 Rb2 57. Rf7+ Ke8
58. Rxf6 Rb6+ 59. Ke5 Rb5+ 60. Bd5 Ke7 61. Rf7+ Ke8 62. Rf6 Ke7 63. Ra6 Rb1 64.
Ra7+ Kf8 65. Be6 Ke8 66. Kf6 Rf1+ 67. Bf5 Kd8 68. Rd7+ Ke8 69. Rd2 Rf3 70. Rc2
1-0

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.13"]
[Round "3"]
[White "Knott, Simon John Bradley"]
[Black "Houston, David A"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "2365"]
[PlyCount "62"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Nc6 7. d5 Ne5 8. Nxe5
dxe5 9. O-O Ne8 10. Be3 f5 11. exf5 gxf5 12. f4 exf4 13. Bxf4 e5 14. dxe6 Bxe6
15. Rc1 c6 16. b3 Qf6 17. Kh1 Rd8 18. Qe1 Qf7 19. Qg3 Qg6 20. Qxg6 hxg6 21. g3
Nd6 22. Bf3 Nf7 23. h4 Rfe8 24. Rfe1 Rd3 25. Re3 Rxe3 26. Bxe3 Bxc4 27. Bxa7
Be6 28. Bg1 Ne5 29. Be2 Ra8 30. Na4 b5 31. Nc5 Bd5+ {Source: Belfast Telegraph,
September 13, 1986 p. 9 (William J. Collins). Contributed by Sean Coffey, 27
June 2023, & David McAlister, 28 June 2023.} 0-1

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.13"]
[Round "3"]
[White "Shamkovich, Leonid Alexandrovic"]
[Black "Durao, Joaquim"]
[Result "0-1"]
[ECO "A20"]
[PlyCount "36"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. c4 e5 2. e3 f5 3. Nf3 Nc6 4. d3 Nf6 5. Nc3 d5 6. cxd5 Nxd5 7. Bd2 Be6 8. a3
a5 9. Rc1 Qf6 10. Be2 Bd6 11. O-O Nb6 12. Na4 $6 e4 13. Ne1 $2 Nxa4 14. Qxa4
Qxb2 15. Nc2 b5 16. Bc3 Qxc3 17. Qxb5 Rb8 18. Qa4 Bb3 {Source: BCM, October
1986, p453} 0-1

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.14"]
[Round "4"]
[White "Ady, Jonathan James"]
[Black "Kudrin, Sergey"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "2285"]
[BlackElo "2495"]
[PlyCount "53"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

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. Bc4 Bd7 10. h4 h5 11. O-O-O Rc8 12. Bb3 Ne5 13. Bh6 Nc4 14. Bxc4 Rxc4
15. Bxg7 Kxg7 16. g4 hxg4 17. h5 Rh8 18. hxg6 fxg6 19. f4 Qb8 20. Rxh8 Qxh8 21.
e5 dxe5 22. fxe5 Nh5 23. e6 Bc6 24. Nf5+ Kf6 25. Ne3 Rf4 26. Ncd5+ Bxd5 27.
Qc3+ 1-0

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.14"]
[Round "4"]
[White "Hjartarson, Johann"]
[Black "Hebden, Mark L"]
[Result "1/2-1/2"]
[ECO "C89"]
[WhiteElo "2525"]
[BlackElo "2445"]
[PlyCount "45"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3
d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. g3 Bd6 13. Re1 Qd7 14. d3 Qh3 15.
Re4 Qf5 16. Nd2 Qg6 17. Re1 Bb7 18. Nf3 Rfe8 19. Rxe8+ Rxe8 20. Nh4 Qf6 21. Bd2
b4 22. Qf3 Qxf3 23. Nxf3 1/2-1/2

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.14"]
[Round "4"]
[White "Martinovsky, Eugene Simeon"]
[Black "Conquest, Stuart C"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "2270"]
[BlackElo "2430"]
[PlyCount "64"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. g3 c5 6. Bg2 cxd4 7. Nxd4 Bg4 8. Qd2
O-O 9. O-O Qb6 10. Nb3 Nc6 11. Qe1 Nb4 12. Qd2 Rac8 13. a3 Nc6 14. Qe1 Ne5 15.
Be3 Qa6 16. f3 Bd7 17. Rf2 b5 18. Bf1 Qb7 19. a4 bxa4 20. Nd4 d5 21. exd5 Nxd5
22. Ba6 Qxa6 23. Nxd5 Qd6 24. Nc3 Nc4 25. Ndb5 Bxb5 26. Nxb5 Qe5 27. Nxa7 Rc7
28. Re2 Nxe3 29. Rxa4 Qc5 30. Ra5 Qb6 31. Nb5 Nxc2+ 32. Qf2 Qxa5 {Source:
Tournament bulletin. Contributed by Brian Denman, 30 June 2023.} 0-1

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.15"]
[Round "5"]
[White "Anagnostopoulos, Dimitrios"]
[Black "Calvo Minguez, Ricardo"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2255"]
[BlackElo "2415"]
[PlyCount "47"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nec6 7. Nb3 Be7 8.
c4 d6 9. Nc3 Nd7 10. Be3 Bf6 11. f4 b6 12. Qe2 Bb7 13. Rad1 Qc7 14. Bb1 Rc8 15.
e5 dxe5 16. f5 Nd8 17. Ne4 Bxe4 18. Bxe4 Nc5 19. Nxc5 bxc5 20. Rd3 exf5 21.
Bxf5 Ne6 22. Bxe6 fxe6 23. Qg4 Ke7 24. Rxf6 {Source: BCM, October 1986, p453}
1-0

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.15"]
[Round "5"]
[White "Conquest, Stuart C"]
[Black "Hjartarson, Johann"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2430"]
[BlackElo "2525"]
[PlyCount "44"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. d4 Nf6 4. e4 d6 5. Ne2 O-O 6. O-O Nbd7 7. f4 e5 8. dxe5
dxe5 9. f5 b6 10. Nbc3 Bb7 11. Bg5 h6 12. Be3 Qe7 13. h3 Nc5 14. Nd5 Bxd5 15.
exd5 Rad8 16. c4 c6 17. fxg6 fxg6 18. Qc2 cxd5 19. cxd5 Kh7 20. Rad1 Nb7 21.
Nc3 Nd6 22. g4 Rc8 {Source: Tournament bulletin. Contributed by Brian Denman,
30 June 2023.} 1/2-1/2

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.15"]
[Round "5"]
[White "Gallagher, Joseph G"]
[Black "Plaskett, H James"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "2360"]
[BlackElo "2450"]
[PlyCount "48"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. d4 c5 2. e4 cxd4 3. Nf3 e5 4. c3 dxc3 5. Nxc3 d6 6. Bc4 Nc6 7. Qb3 Qd7 8.
Ng5 Nh6 9. Bd5 Nd4 10. Qd1 Be7 11. Nf3 Nxf3+ 12. Qxf3 Qg4 13. Nb5 O-O 14. Be3
Qg6 15. Bxa7 Be6 16. Bxb7 Bc4 17. a4 d5 18. b3 Bb4+ 19. Kd1 Rxa7 20. Nxa7 Qb6
21. bxc4 Qxa7 22. Bxd5 Qd4+ 23. Kc2 Qd2+ 24. Kb3 Bc3 0-1

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.15"]
[Round "5"]
[White "Hebden, Mark L"]
[Black "Ady, Jonathan James"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2445"]
[BlackElo "2285"]
[PlyCount "63"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 e5 2. a3 Nf6 3. Nc3 Nc6 4. Nf3 Be7 5. d4 exd4 6. Nxd4 O-O 7. Nxc6 bxc6 8.
e5 Nd5 9. Nxd5 cxd5 10. Qxd5 Rb8 11. Bd3 d6 12. O-O Bb7 13. Qd4 dxe5 14. Qxe5
Bf6 15. Qg3 Re8 16. Bf4 Re7 17. Rad1 Qe8 18. Bxc7 Rc8 19. Bd6 Re6 20. Bf4 Rc5
21. b4 Rh5 22. c4 g6 23. f3 Bh4 24. Qg4 Qe7 25. Bg3 Bxg3 26. Qxg3 Rg5 27. Qf2
Rge5 28. c5 Bd5 29. Qd4 Bb3 30. Bc4 Bxc4 31. Qxc4 Re2 32. Qd4 1-0

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.15"]
[Round "5"]
[White "Khadilkar, Rohini"]
[Black "Houston, David A"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2115"]
[PlyCount "76"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O
Be6 9. f4 exf4 10. Bxf4 Nbd7 11. Kh1 Ne5 12. a4 O-O 13. Bf3 Rc8 14. Nd4 Bc4 15.
Rf2 Re8 16. Nf5 Bf8 17. Rd2 Rc6 18. a5 b5 19. axb6 Qxb6 20. Na4 Qb8 21. b3 Be6
22. Nd4 Rcc8 23. c4 Nfd7 24. Nf5 Bxf5 25. exf5 Nxf3 26. Qxf3 Ne5 27. Qg3 Qb4
28. c5 dxc5 29. Nc3 Ng4 30. Nd5 Qe4 31. h3 Rcd8 32. Rad1 Rxd5 33. Rxd5 Nf6 34.
Re5 Nh5 35. Qf3 Rxe5 36. Bxe5 Qxe5 37. Qxh5 Bd6 38. Qf3 Qh2# {Source: David
Houston. Contributed by David McAlister, 28 June 2023.} 0-1

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.16"]
[Round "6"]
[White "Houston, David A"]
[Black "Paust, Wolf Dieter"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "80"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 Nc6 5. c4 g6 6. Nf3 Bg7 7. O-O d6 8. h3
Bd7 9. a3 Rc8 10. Qe2 Na5 11. Nbd2 Qb6 12. Rb1 Nb3 13. Nxb3 Qxb3 14. Be3 Qa4
15. Nd4 Nf6 16. b3 Qa5 17. f4 O-O 18. b4 Qd8 19. g4 Bc6 20. g5 Ne8 21. Qg2 e6
22. Nxc6 bxc6 23. f5 Be5 24. Qg4 Qd7 25. f6 Nc7 26. Qh4 Rfd8 27. Qh6 Ne8 28.
Rbd1 c5 29. h4 Bd4 30. Bxd4 cxd4 31. e5 dxe5 32. h5 e4 33. hxg6 hxg6 34. Rf4
Qd6 35. Rxe4 Qg3+ 36. Kf1 Qf3+ 37. Ke1 Rxc4 38. Re2 Qg3+ 39. Rf2 Rc3 40. Bxg6
Qe3+ {Source: David Houston. Contributed by David McAlister, 28 June 2023.}
1/2-1/2

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.16"]
[Round "6"]
[White "Thipsay, Praveen Mahadeo"]
[Black "Conquest, Stuart C"]
[Result "1/2-1/2"]
[ECO "B46"]
[BlackElo "2430"]
[PlyCount "100"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Nf6 7. Bd3 d5 8.
exd5 exd5 9. Qe2 Be7 10. Nxc6 bxc6 11. Bc5 Nd7 12. Bxe7 Qxe7 13. O-O-O Qxe2 14.
Nxe2 Ne5 15. Nd4 O-O 16. Rhe1 f6 17. Nb3 Rb8 18. f4 Nxd3+ 19. Rxd3 Bf5 20. Rc3
Rb4 21. g3 Rc8 22. a3 Rb7 23. Nc5 Ra7 24. Rb3 h5 25. Kd2 Kf7 26. Rb6 a5 27. Re3
Re7 28. Rxe7+ Kxe7 29. Ra6 h4 30. Rxa5 hxg3 31. hxg3 Rh8 32. Ra7+ Kd6 33. b4
Rh2+ 34. Ke1 Rxc2 35. Rxg7 d4 36. Rf7 Kd5 37. Rxf6 Bg4 38. Rg6 Bf3 39. f5 Kc4
40. Rd6 Bd5 41. f6 d3 42. f7 Rc1+ 43. Kd2 Rc2+ 44. Kd1 Rf2 45. Nd7 Rf1+ 46. Kd2
Rf2+ 47. Ke1 Rxf7 48. Nb6+ Kd4 49. Nxd5 cxd5 50. b5 Rh7 {Sources: Tournament
bulletin and 'Zugzwang' No. 16 (1986). Contributed by Brian Denman, 30 June
2023.} 1/2-1/2

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.17"]
[Round "7"]
[White "Conquest, Stuart C"]
[Black "Kummer, Helmut"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2430"]
[PlyCount "197"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 c6 7. Bd3 Bd6 8.
Qc2 Nf8 9. Nge2 Ng6 10. O-O-O h6 11. Bxg6 hxg5 12. Bf5 Kf8 13. Kb1 Bxf5 14.
Qxf5 Qd7 15. Qxd7 Nxd7 16. e4 Nb6 17. exd5 cxd5 18. a4 a5 19. Nb5 Ke7 20. Nec3
Kd7 21. h3 Bb4 22. Kc2 Rac8 23. Kd3 Rc6 24. Rhe1 f6 25. Re2 Re8 26. Rxe8 Kxe8
27. b3 Bxc3 28. Nxc3 Kd7 29. Rh1 Rc8 30. Rb1 Kc6 31. Re1 Kd7 32. Re3 Rh8 33.
Kd2 Kd6 34. Nb5+ Kd7 35. Rc3 Rc8 {The score gives 35...'Re8', which is
probably wrong.} 36. Rg3 Rg8 37. Rg4 Nc8 38. h4 gxh4 39. Rxh4 Nd6 40. Nc3 Nf5
41. Rh5 Ke6 42. Nxd5 Nxd4 43. Nf4+ Ke7 44. Ke3 Nc6 45. Rb5 Rb8 46. Ke4 Kd6 47.
Rd5+ Ke7 48. Nd3 b6 49. f4 g6 50. g4 Rb7 51. Nb2 Nb4 52. Rd2 b5 53. Rh2 Kf8 54.
Rh8+ Kg7 55. Ra8 bxa4 56. Nxa4 Na2 57. Nc5 Rb4+ 58. Kd5 Nc1 59. Ne6+ Kf7 60.
Ra7+ Ke8 61. Ra8+ Ke7 62. Nd4 Kf7 63. Ra7+ Ke8 64. Nc6 Rxf4 65. Ke6 Kf8 66.
Rf7+ Ke8 67. Re7+ Kf8 68. Rf7+ Ke8 69. Rb7 Kf8 70. Ne7 Rxg4 71. Nd5 Rg3 72.
Rf7+ Ke8 73. Rh7 Kf8 74. Rf7+ Ke8 75. Rc7 Kf8 76. Rxc1 Rxb3 77. Rc7 Rb1 78.
Rf7+ Ke8 79. Re7+ Kf8 80. Rf7+ Ke8 81. Nxf6+ Kd8 82. Nd5 Ke8 83. Nf6+ Kd8 84.
Rd7+ Kc8 85. Nd5 g5 86. Kd6 Rd1 87. Ra7 g4 88. Rxa5 g3 89. Ra8+ Kb7 90. Rg8 g2
91. Rxg2 Ka6 92. Rb2 Rh1 93. Rb3 Ka7 94. Kc5 {The score gives 94 'Kc8', which
is impossible.} Rh5 95. Rf3 Kb7 96. Rf7+ Kc8 97. Kc6 Rh6+ 98. Nf6 Kd8 99. Kb7 {
Source: Tournament bulletin. Contributed by Brian Denman, 30 June 2023.} 1-0

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.17"]
[Round "7"]
[White "Hebden, Mark L"]
[Black "Andersson, Bjorn"]
[Result "1-0"]
[ECO "C33"]
[WhiteElo "2445"]
[PlyCount "61"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3 c6 5. d4 d5 6. exd5 Nxd5 7. Bxd5 cxd5 8.
Bxf4 Be7 9. Qh5 Be6 10. Nf3 Nd7 11. O-O Nf6 12. Qe5 O-O 13. Rae1 Re8 14. Nd2
Rc8 15. Nb3 a6 16. Bg5 Qd7 17. Bxf6 Bxf6 18. Rxf6 gxf6 19. Qxf6 Bf5 20. Qg5+
Bg6 21. Rxe8+ Rxe8 22. Nxd5 Re1+ 23. Kf2 Qe6 24. Ne3 Rb1 25. d5 Qb6 26. Qe5 Qb4
27. d6 Qe1+ 28. Kf3 Rd1 29. d7 Bh5+ 30. Qxh5 Rxd7 31. Qg4+ {Source: BCM,
October 1986, p452-453} 1-0

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.17"]
[Round "7"]
[White "Mannion, Stephen R"]
[Black "Houston, David A"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2280"]
[PlyCount "84"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d4 cxd4 6. cxd4 Nxe4 7. d5 Qa5+ 8.
Nc3 Nxc3 9. bxc3 Nb8 10. O-O g6 11. Rb1 Bg7 12. Bb5+ Bd7 13. Qe2 O-O 14. Bxd7
Nxd7 15. Rxb7 Nb6 16. c4 Qa6 17. Qxe7 Qxc4 18. Qxd6 Nxd5 19. Ne5 Qe4 20. Nc6
Rae8 21. Rxa7 Re6 22. Qd7 Nc3 23. Ne7+ Kh8 24. Be3 Ne2+ 25. Kh1 Nf4 26. Bxf4
Qxf4 27. Qd3 Bd4 28. Ra4 Rd8 29. Nc8 Qe5 30. Na7 Red6 31. Nb5 Qf6 32. Nxd4 Rxd4
33. Qc3 Kg8 34. Rxd4 Rxd4 35. Kg1 Qd6 36. a3 Rd3 37. Qc8+ Kg7 38. a4 Ra3 39.
Qc4 Qd7 40. a5 Qa7 41. a6 Rxa6 42. Qc3+ f6 {Source: David Houston. Contributed
by David McAlister, 28 June 2023.} 1/2-1/2

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.17"]
[Round "7"]
[White "Murey, Jacob"]
[Black "Ravisekhar, Raja"]
[Result "1-0"]
[ECO "B79"]
[WhiteElo "2500"]
[BlackElo "2390"]
[PlyCount "79"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4
O-O 9. Qd2 Qa5 10. O-O-O Bd7 11. h4 Ne5 12. Bb3 Rfc8 13. h5 Nxh5 14. Nd5 Qxd2+
15. Rxd2 Kf8 16. g4 Nf6 17. Nxf6 Bxf6 18. Rdh2 e6 19. Rxh7 Nd3+ 20. Kb1 Nc5 21.
g5 Bg7 22. Nf5 gxf5 23. exf5 exf5 24. Rxg7 Nxb3 25. Rhh7 Be6 26. g6 Ke7 27.
Bg5+ Kd7 28. gxf7 Rf8 29. axb3 Rac8 30. Bf4 Rc6 31. b4 a6 32. Kc1 b5 33. c3 Rc4
34. Bg5 Rc6 35. Kd2 Rc7 36. Rg6 Bd5 37. Bf4 Rc6 38. Rf6 Ke7 39. Bg5 Rc7 40.
Rhh6 1-0

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.18"]
[Round "8"]
[White "Cox, John J"]
[Black "Conquest, Stuart C"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2305"]
[BlackElo "2430"]
[PlyCount "62"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c5 7. e3 Nc6 8. Bb2 d4
9. exd4 cxd4 10. Re1 Re8 11. d3 Bf8 12. a3 a5 13. Ne5 Nxe5 14. Rxe5 Ra6 15. Nd2
Nd7 16. Re1 e5 17. Nf3 Rb6 18. Rb1 f6 19. Bc1 Nc5 20. Qc2 Bf5 21. Rd1 e4 22.
Nh4 exd3 23. Qd2 Bg4 24. b4 axb4 25. axb4 g5 26. Bd5+ Kh8 27. f3 Bh3 28. bxc5
Rxb1 29. Qxd3 Qa5 30. Ng2 Qa2 31. f4 Re2 {Sources: Tournament bulletin and
'Zugzwang' No. 18 (1986). Contributed by Brian Denman, 30 June 2023.} 0-1

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.18"]
[Round "8"]
[White "Hjartarson, Johann"]
[Black "De Firmian, Nick E"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2525"]
[BlackElo "2520"]
[PlyCount "63"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O
O-O 9. Be3 Be6 10. Nd5 Nxd5 11. exd5 Bf5 12. Qd2 Nd7 13. a4 a5 14. Bb5 Nf6 15.
f3 Bg6 16. c4 Qc7 17. Qf2 Nd7 18. Kh1 h6 19. f4 exf4 20. Bxf4 Bf6 21. Rac1 Be5
22. c5 dxc5 23. Bxe5 Nxe5 24. Qxc5 Qxc5 25. Nxc5 b6 26. Rfe1 f6 27. Ne6 Rfc8
28. Rxc8+ Rxc8 29. d6 Rc2 30. h3 Nf7 31. Be8 Rd2 32. d7 {Source: BCM, October
1986, p452} 1-0

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.18"]
[Round "8"]
[White "Houston, David A"]
[Black "Tilak, Sharad S"]
[Result "1-0"]
[ECO "B21"]
[BlackElo "2320"]
[PlyCount "29"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 Nf6 7. e5 dxe5 8.
Qxd8+ Kxd8 9. Ng5 Kc7 10. Nxf7 Rg8 11. Nb5+ Kb8 12. Nxe5 Nxe5 13. Bf4 Nfd7 14.
Bxg8 a6 15. Nd4 {Source: David Houston. Contributed by David McAlister, 28
June 2023.} 1-0

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.18"]
[Round "8"]
[White "Martinovsky, Eugene Simeon"]
[Black "Barber, Haydn J"]
[Result "0-1"]
[ECO "A81"]
[WhiteElo "2270"]
[BlackElo "2320"]
[PlyCount "60"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 Nf6 3. g3 g6 4. b3 Bg7 5. Bb2 O-O 6. Bg2 d6 7. O-O Qe8 8. Nbd2
Nbd7 9. Nc4 Ne4 10. a4 Ndf6 11. Ne1 c6 12. Nd3 Bh6 13. f3 b5 14. axb5 cxb5 15.
Nb6 Be3+ 16. Kh1 Nxg3+ 17. hxg3 g5 18. Bh3 g4 19. Nxa8 Qh5 20. Nf2 Bb7 21. Rxa7
gxf3 22. Rxb7 fxe2 23. Qe1 Ne4 24. Kg2 exf1=Q+ 25. Qxf1 Nxf2 26. Kh2 f4 27. g4
Nxg4+ 28. Kh1 f3 29. Rb8 Nf2+ 30. Kh2 Bf4+ {Source: Australian Chess Games.
Contributed by Paul Summers, 28 June 2023.} 0-1

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.19"]
[Round "9"]
[White "De Firmian, Nick E"]
[Black "Conquest, Stuart C"]
[Result "1-0"]
[ECO "B16"]
[WhiteElo "2520"]
[BlackElo "2430"]
[PlyCount "89"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Nf3 Qc7 8.
g3 Nd7 9. Bg2 O-O-O 10. O-O e6 11. Re1 Bg4 12. b4 h5 13. Qa4 Bxf3 14. Bxf3 Kb8
15. Bf4 Bd6 16. Bxd6 Qxd6 17. Rad1 h4 18. c4 Rdg8 19. Bg2 hxg3 20. hxg3 f5 21.
c5 Qc7 22. b5 f4 23. bxc6 fxg3 24. f4 Qxf4 25. Re2 Nf6 26. Rb1 Rh4 27. c7+ Kc8
28. Bxb7+ Kxc7 29. Be4 Rb8 30. Qxa7+ Kc8 31. Rf1 Qh6 32. Qa6+ Kd8 33. Qd6+ Kc8
34. Bg2 Rb4 35. Qa6+ Kd7 36. d5 Rhd4 37. dxe6+ Kc7 38. Qc6+ Kb8 39. Qa8+ Kc7
40. Qa7+ Kc8 41. Bh3 fxe6 42. Bxe6+ Kd8 43. Qa8+ Ke7 44. Bc4+ Kd7 45. Qa7+ 1-0

[Event "Commonwealth ch04"]
[Site "London, Gt Eastern Hotel"]
[Date "1986.08.19"]
[Round "9"]
[White "Kudrin, Sergey Gennadyevich"]
[Black "Hjartarson, Johann"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2495"]
[BlackElo "2525"]
[PlyCount "52"]
[EventDate "1986.08.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "BritBase"]
[Source "John Saunders"]
[SourceDate "2023.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2023.06.27"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. b4 Bb6 6. d3 d6 7. O-O O-O 8. Bg5
h6 9. Bh4 g5 10. Nxg5 hxg5 11. Bxg5 Kg7 12. Qf3 Rh8 13. Nd2 Kg6 14. h4 Rh7 15.
Rae1 Bg4 16. Bxf6 Qd7 17. Qg3 Kxf6 18. d4 Ke7 19. Bb5 Rah8 20. Nc4 exd4 21.
Nxb6 axb6 22. cxd4 Qe6 23. d5 Qf6 24. dxc6 Rxh4 25. f4 Qb2 26. Be2 Qd4+ {
Source: BCM, November 1986, p505} 0-1

