[Event "BCF-ch"] [Site "Brighton"] [Date "1980.08.15"] [Round "11"] [White "Nunn, John DM"] [Black "Basman, Michael J"] [Result "1-0"] [GameId "xSo1YJdj"] [WhiteElo "2515"] [BlackElo "2405"] [Variant "Standard"] [TimeControl "-"] [ECO "B00"] [Opening "Borg Defense"] [Termination "Unknown"] [Annotator "lichess.org"] 1. e4 { [%eval 0.13] } 1... g5?! { (0.13 → 1.12) Inaccuracy. e6 was best. } { [%eval 1.12] } { B00 Borg Defense } (1... e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Be6 7. Nc3 a6 8. Ng5 Qe7 9. O-O) 2. d4 { [%eval 1.13] } 2... h6 { [%eval 1.13] } 3. Bd3 { [%eval 0.87] } 3... d6 { [%eval 0.99] } 4. Ne2 { [%eval 1.06] } 4... c5 { [%eval 0.98] } 5. c3 { [%eval 0.79] } 5... Nc6 { [%eval 0.74] } 6. O-O { [%eval 0.79] } 6... Nf6 { [%eval 0.85] } 7. Nd2 { [%eval 0.7] } 7... Qc7 { [%eval 1.16] } 8. b4 { [%eval 1.05] } 8... b6 { [%eval 1.15] } 9. bxc5 { [%eval 1.1] } 9... bxc5 { [%eval 0.98] } 10. Rb1 { [%eval 0.91] } 10... Bd7 { [%eval 1.17] } 11. Nc4 { [%eval 1.06] } 11... Bg7 { [%eval 1.18] } 12. d5 { [%eval 0.91] } 12... Na5 { [%eval 0.98] } 13. Ne3 { [%eval 1.09] } 13... Ng4 { [%eval 1.33] } 14. Nxg4 { [%eval 1.35] } 14... Bxg4 { [%eval 1.41] } 15. Bb5+ { [%eval 1.25] } 15... Kf8 { [%eval 0.95] } 16. f3 { [%eval 1.17] } 16... Bc8 { [%eval 1.17] } 17. Be3 { [%eval 0.99] } 17... Bf6 { [%eval 1.15] } 18. Qd2 { [%eval 1.1] } 18... Rb8 { [%eval 1.1] } 19. Bd3 { [%eval 1.15] } 19... Rb6 { [%eval 1.08] } 20. c4 { [%eval 1.08] } 20... Nb7 { [%eval 1.04] } 21. f4 { [%eval 0.86] } 21... gxf4 { [%eval 0.93] } 22. Bxf4 { [%eval 0.86] } 22... h5 { [%eval 1.31] } 23. Bg5 { [%eval 0.81] } 23... Be5 { [%eval 0.79] } 24. Nf4 { [%eval 0.61] } 24... Ke8 { [%eval 0.6] } 25. Be2 { [%eval 0.6] } 25... Bd4+ { [%eval 0.7] } 26. Kh1 { [%eval 0.65] } 26... Bg4 { [%eval 0.75] } 27. h3 { [%eval 0.86] } 27... Ra6 { [%eval 1.25] } 28. Bh4 { [%eval 1.23] } 28... Ra3 { [%eval 1.24] } 29. Rb3 { [%eval 1.23] } 29... Rxb3 { [%eval 1.3] } 30. axb3 { [%eval 1.25] } 30... Bxe2 { [%eval 1.24] } 31. Qxe2 { [%eval 1.29] } 31... Qa5 { [%eval 1.52] } 32. Nxh5 { [%eval 1.23] } 32... Qc3 { [%eval 1.5] } 33. Qg4 { [%eval 0.92] } 33... Nd8 { [%eval 1.41] } 34. Qg5 { [%eval 1.64] } 34... f6 { [%eval 1.55] } 35. Qg6+ { [%eval 1.59] } 35... Kd7?? { (1.59 → 4.36) Blunder. Nf7 was best. } { [%eval 4.36] } (35... Nf7 36. Ng7+ Kf8 37. Ne6+ Ke8 38. Nc7+ Kd7 39. Nb5 Qd3 40. Qf5+ Ke8 41. Nxd4 Qxd4 42. Qc8+ Nd8 43. Be1) 36. Nxf6+ { [%eval 4.23] } 36... Kc7 { [%eval 5.21] } 37. Qg7 { [%eval 4.88] } 37... Rxh4? { (4.88 → 8.53) Mistake. Qd3 was best. } { [%eval 8.53] } (37... Qd3 38. Re1 Nb7 39. e5 Bxe5 40. Qxh8 exf6 41. Bxf6 Bxf6 42. Qxf6 Kb6 43. Qf8 a5 44. Qb8 Ka6 45. Qe8) 38. Qxe7+ { [%eval 8.46] } 38... Kb6 { [%eval 8.67] } 39. Nd7+ { [%eval 8.79] } 39... Ka6? { (8.79 → Mate in 4) Checkmate is now unavoidable. Ka5 was best. } { [%eval #4] } (39... Ka5 40. Qxd8+ Kb4 41. Qxh4 Qxb3 42. Qd8 Kxc4 43. Qc7 Qb5 44. Qxd6 Kd3 45. Qe7 Kc3 46. Qf7 Qe2 47. Qf4) 40. Nb8+ { [%eval #3] } { White wins. } 1-0