[Event "North Devon Congress-02"]
[Site "Woolacombe"]
[Date "1972.10.22"]
[Round "4"]
[White "Potts, Alan W"]
[Black "Ballantyne, PR."]
[Result "0-1"]
[ECO "A02"]
[PlyCount "118"]
[EventDate "1972.10.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 b6 3. f4 Bb7 4. e3 e6 5. Nf3 Be7 6. c4 0-0 7. Nc3 Na6 8. Be2 Rc8 9. 0-0 Nc5 10. b4 Nce4 11. d3 Nxc3 12. Bxc3 Ng4 13. Qc1 c5 14. b5 d5 15. h3 Nh6 16. cxd5 exd5 17. Qc2 Nf5 18. Bd2 Bf6 19. Rae1 Re8 20. Bd1 Ng3 21. Rf2 c4 22. d4 Re7 23. Bc3 Qe8 24. Qa4 Ra8 25. Ne5 Bh4 26. Rc2 f6 27. Nf3 Rxe3 28. Rxe3 Qxe3+ 29. Kh2 Nf1+ 30. Kh1 Qxf4 31. Qb4 Re8 32. Kg1 Ne3 33. Re2 Qe4 34. Bd2 Bf2+ 35. Kh1 Bc8 36. Bxe3 Bxe3 37. Re1 Qg6 38. Qd6 Qf7 39. Bc2 Qd7 40. Qg3 Bh6 41. a4 Rxe1+ 42. Qxe1 Qe6 43. Qg3 g6 44. Nh4 Qe3 45. Qf3 Qxf3 46. Nxf3 Be3 47. g4 f5 48. g5 f4 49. Kg2 c3 50. h4 Kf7 51. Ne5+ Ke6 52. Nc6 a5 53. Kf3 Kd6 54. h5 Bf5 55. hxg6 hxg6 56. Bxf5 gxf5 57. g6 c2 58. g7 c1Q 59. g8Q Qf1# 0-1

