[Event "London Invitation"] [Site "London ENG"] [Date "1973.09.09"] [EventDate "1973.09.07"] [Round "5"] [Result "0-1"] [White "Nigel E Povah"] [Black "Alan H Perkins"] [ECO "B21"] [WhiteElo "2255"] [BlackElo "2305"] [Source "John Saunders"] [PlyCount "78"] 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. O-O Be7 8. Qe2 a6 9. Rd1 Bd7 10. a4 Rc8 11. Bf4 e5 12. Be3 Nf6 13. h3 O-O 14. Rac1 h6 15. Ba2 Qe8 16. Nh4 Nb4 17. Bb1 Be6 18. f4 Rc6 19. Nf3 Qb8 20. Qd2 Rfc8 21. Rf1 Bd8 22. Kh2 b5 23. f5 Bc4 24. Bxh6 Bxf1 25. Rxf1 gxh6 26. Qxh6 d5 27. Kh1 dxe4 28. Ng5 Rxc3 29. bxc3 Rxc3 30. Bxe4 Be7 31. Ne6 fxe6 32. fxe6 Qf8 33. Bh7+ Nxh7 34. Rxf8+ Nxf8 35. Qh5 Nxe6 36. Qxe5 Rc1+ 37. Kh2 Rc6 38. axb5 Bd6 39. bxc6 Bxe5+ 0-1