[Event "Islington op"]
[Site "Islington"]
[Date "1972.12.17"]
[Round "6"]
[White "Thrower, Sean"]
[Black "Okrzeja, B."]
[Result "1-0"]
[ECO "E73"]
[PlyCount "39"]
[EventDate "1972.12.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 0-0 6. g4 Nc6 7. d5 Ne5 8. g5 Ne8 9. f4 Nd7 10. Nf3 Nc5 11. Be3 b6 12. Qc2 Bd7 13. 0-0-0 a5 14. h4 Bxc3 15. Bxc5 Bxb2+ 16. Qxb2 bxc5 17. h5 a4 18. hxg6 Ng7 19. Rxh7 f6 20. Rdh1 1-0

[Event "Islington op"]
[Site "Islington"]
[Date "1972.12.16"]
[Round "3"]
[White "Lambshire, Michael V"]
[Black "Okrzeja, B."]
[Result "1-0"]
[ECO "B05"]
[PlyCount "71"]
[EventDate "1972.12.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. c4 Nb6 8. exd6 cxd6 9. Nc3 0-0 10. Be3 N8d7 11. b3 Bf6 12. Rc1 Nc8 13. h3 Bxf3 14. Bxf3 Rb8 15. b4 Re8 16. c5 d5 17. b5 Bg5 18. c6 bxc6 19. bxc6 Bxe3 20. cxd7 Bxf2+ 21. Rxf2 Qxd7 22. Na4 Nb6 23. Nc5 Qe7 24. Be2 Rbc8 25. a4 Red8 26. Ba6 Rc7 27. Qe1 Rd6 28. a5 Nd7 29. Nxd7 Qxd7 30. Bb5 Qe7 31. Rfc2 Rxc2 32. Rxc2 Rd8 33. Qc3 Qh4 34. Kh2 Qf4+ 35. Kh1 g6 36. Qc7 1-0

[Event "Islington op"]
[Site "Islington"]
[Date "1972.12.16"]
[Round "4"]
[White "Okrzeja, B."]
[Black "Fleury, Matthew"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "72"]
[EventDate "1972.12.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. d3 e6 5. 0-0 Be7 6. Nbd2 d5 7. a4 b4 8. b3 0-0 9. Bb2 c5 10. e3 Nbd7 11. c3 bxc3 12. Bxc3 Ba6 13. Qb1 Rb8 14. Qc2 Qc7 15. Rfc1 Rfc8 16. Ra2 Qd6 17. Bf1 e5 18. Qd1 d4 19. exd4 exd4 20. Ba1 Nd5 21. Ne4 Qg6 22. Kh1 f5 23. Ned2 Nb4 24. Rb2 Nxd3 25. Bxd3 Bxd3 26. Kg1 Bf6 27. Ne1 Ba6 28. Ra2 f4 29. Nc4 fxg3 30. fxg3 Bg5 31. Rcc2 Rxb3 32. Rcb2 Rxb2 33. Nxb2 Be3+ 34. Kh1 Bb7+ 35. Ng2 Qf7 36. Qb1 Rf8 0-1

[Event "Islington op 7th"]
[Site "Islington"]
[Date "1971.12.10"]
[Round "1"]
[White "Grant, P."]
[Black "Okrzeja, B."]
[Result "1/2-1/2"]
[ECO "B97"]
[PlyCount "65"]
[EventDate "1971.12.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. e5 dxe5 11. fxe5 Nfd7 12. Ne4 Qxa2 13. Rb3 Nc6 14. Nxc6 bxc6 15. Qc3 Qa4 16. Bd3 c5 17. Bc4 Qc6 18. Qd3 Bb7 19. Rxb7 Qxb7 20. Nd6+ Bxd6 21. Qxd6 Qe4+ 22. Be2 Qb4+ 23. Kf1 f6 24. Qxe6+ Kd8 25. exf6 gxf6 26. Bxf6+ Nxf6 27. Qxf6+ Kc7 28. Qe7+ Kb6 29. Qf6+ Ka5 30. Qa1+ Kb6 31. Qf6+ Ka7 32. Qe7+ Kb6 33. Qf6+ 1/2-1/2

