[Event "Staffordshire op"]
[Site "Staffordshire"]
[Date "1975.??.??"]
[Round "4"]
[White "Porter, JD."]
[Black "De Coverly, Roger D"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "94"]
[EventDate "1975.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ENG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. f4 d6 4. d3 c5 5. e4 Nc6 6. Nc3 Rb8 7. a4 Nf6 8. Nf3 0-0 9. 0-0 a6 10. Ne2 b5 11. c3 Bd7 12. axb5 axb5 13. Qc2 b4 14. d4 cxd4 15. Nfxd4 Qb6 16. Kh1 Rfc8 17. Be3 Ng4 18. Nxc6 Qxc6 19. Bd4 bxc3 20. bxc3 Bxd4 21. Nxd4 Qxc3 22. Qxc3 Rxc3 23. Ra7 Rd8 24. h3 Ne3 25. Re1 e6 26. g4 Rd3 27. Nf3 Bc6 28. Ng5 Rd7 29. Rxd7 Bxd7 30. Re2 Bb5 31. Rb2 Bc6 32. Bf3 h6 33. e5 d5 34. Be2 Rc3 35. Nf3 d4 36. Rd2 d3 37. Bxd3 Bxf3+ 38. Kg1 Nd5 39. f5 Nf4 40. Bc2 Nxh3+ 41. Kh2 Bxg4 42. fxg6 fxg6 43. Bxg6 Ng5 44. Rd8+ Kg7 45. Bd3 Nf3+ 46. Kg3 Nxe5 47. Kf4 Rxd3 0-1

