[Event "Islington op"]
[Site "Islington"]
[Date "1972.12.16"]
[Round "4"]
[White "O'Brien, Richard"]
[Black "Hall, MJ."]
[Result "1-0"]
[ECO "E62"]
[PlyCount "99"]
[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. g3 Nf6 2. Bg2 g6 3. c4 Bg7 4. Nc3 e5 5. Nf3 d6 6. d4 Nc6 7. dxe5 dxe5 8. Qxd8+ Kxd8 9. Bg5 h6 10. 0-0-0+ Bd7 11. Bxf6+ Bxf6 12. Bh3 Nb8 13. Bxd7 Nxd7 14. Ne4 Ke7 15. Nxf6 Nxf6 16. Nxe5 Rad8 17. Rxd8 Rxd8 18. f3 Ke6 19. Nd3 b6 20. Rd1 Rd6 21. b3 a5 22. Kc2 Nh7 23. Nf4+ Kd7 24. Rxd6+ Kxd6 25. Kd3 Nf6 26. e4 Nd7 27. Kd4 Ne5 28. Ke3 Nc6 29. Nd3 f6 30. a3 Nb8 31. Nf4 g5 32. Nd5 Nd7 33. f4 c6 34. Nxf6 Nxf6 35. e5+ Ke6 36. exf6 Kxf6 37. g4 Ke7 38. f5 Kf7 39. Kd4 Kf6 40. Ke4 c5 41. a4 Ke7 42. Ke5 Kf7 43. Kd6 Kf6 44. Kc6 h5 45. gxh5 Kxf5 46. Kxb6 g4 47. Kxa5 Kg5 48. h6 Kxh6 49. Kb5 Kh5 50. a5 1-0

[Event "Islington op"]
[Site "Islington"]
[Date "1972.12.16"]
[Round "2"]
[White "Staples, Maurice J"]
[Black "Hall, MJ."]
[Result "1/2-1/2"]
[ECO "A08"]
[PlyCount "84"]
[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 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Re1 Bd7 9. Nf1 Rc8 10. c3 b5 11. Bf4 Nh5 12. exd5 Nxf4 13. gxf4 Na5 14. Qd2 Nb7 15. d4 c4 16. Ne5 Nd6 17. Ng3 Re8 18. Nc6 Bxc6 19. dxc6 e6 20. a4 Qc7 21. axb5 Nxb5 22. Ra4 Nd6 23. Rea1 Ra8 24. Rb1 Rab8 25. Qc2 Bh6 26. b3 cxb3 27. Rxb3 Rxb3 28. Qxb3 Rb8 29. Rb4 Rxb4 30. Qxb4 Bxf4 31. c4 a5 32. Qb3 Nc8 33. Qb7 Ne7 34. Qxc7 Bxc7 35. Ne4 Kg7 36. Nc3 Bb6 37. c5 Bc7 38. Nb5 a4 39. Be4 Nd5 40. Bc2 Ba5 41. Bxa4 Kf8 42. Bb3 Nc7 1/2-1/2

