[Event "WCCC 1986"] [Site "Cologne, Germany"] [Date "1986.06.14"] [Round "4"] [White "Bobby"] [Black "Mephisto X"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "B03"] [Opening "Alekhine Defense: Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 { B03 Alekhine Defense: Exchange Variation } exd6 6. Nc3 Be7 7. h3 O-O 8. Nf3 Nc6 9. Be2 Bf5 10. O-O Qd7 11. Bf4 Rae8 12. a4?! { (0.74 → 0.00) Inaccuracy. d5 was best. } (12. d5) 12... Bf6 13. a5 Nc8 14. a6 b6 15. g4 Bxg4? { (0.45 → 1.68) Mistake. Be4 was best. } (15... Be4 16. Be3 Nb4 17. Nxe4 Rxe4 18. d5 h5 19. Nh2 c5 20. dxc6 Nxc6 21. Qd2 hxg4 22. Bxg4) 16. hxg4 Qxg4+ 17. Bg3 Nxd4 18. Nxd4 Qxd4 19. Qc2 h6?! { (1.57 → 2.67) Inaccuracy. Be5 was best. } (19... Be5 20. Rad1 Qc5 21. Nd5 Bxg3 22. b4 Qc6 23. fxg3 Ne7 24. Bd3 h6 25. Bh7+ Kh8 26. Be4) 20. Rfd1?! { (2.67 → 1.99) Inaccuracy. Rad1 was best. } (20. Rad1 Qc5 21. Nd5 Ne7 22. b4 Qc6 23. Nxf6+ gxf6 24. Rd4 f5 25. Rh4 d5 26. Bf3 Qf6) 20... Qc5 21. Nb5 Be5 22. Rd5 Qc6 23. Bxe5 Rxe5 24. Rxe5 dxe5 25. Bg4 Nd6?? { (1.72 → 5.54) Blunder. e4 was best. } (25... e4 26. Bxc8 Rxc8 27. Ra3 Rd8 28. Rg3 Qf6 29. Nxc7 Qe5 30. Nb5 Rd7 31. Nc3 f5 32. Nd5) 26. Nxa7 Qc5 27. Bd7?! { (5.33 → 3.52) Inaccuracy. Bf3 was best. } (27. Bf3 e4 28. Bxe4 Nxc4 29. Nc6 b5 30. a7 Qg5+ 31. Bg2 Nb6 32. Qf5 Re8 33. Qxg5 hxg5) 27... e4 28. Nb5 Nxb5 29. Bxb5 Qg5+ 30. Kf1 Qh4 31. Rd1? { (3.43 → 1.70) Mistake. Ra3 was best. } (31. Ra3 Qh1+ 32. Ke2 Qh5+ 33. Kd2 Rd8+ 34. Kc3 Qf5 35. Kb3 Qe6 36. a7 Ra8 37. Ra6 e3) 31... Qh1+?! { (1.70 → 2.41) Inaccuracy. c6 was best. } (31... c6 32. Ba4 Ra8 33. Qc3 c5 34. Bc6 Rxa6 35. Qg3 Qxg3 36. fxg3 f5 37. Rd6 g5 38. Bd7) 32. Ke2 Qf3+ 33. Ke1 Qh1+? { (2.22 → 4.14) Mistake. c6 was best. } (33... c6 34. Ba4 e3 35. fxe3 Qxe3+ 36. Qe2 Qc5 37. Kf1 Qf5+ 38. Kg2 Qg5+ 39. Kh3 Qa5 40. Bxc6) 34. Kd2 Qg2 35. Kc1 Qg6 36. Qb3 c6 37. Ba4 c5? { (3.49 → 6.87) Mistake. Qg5+ was best. } (37... Qg5+ 38. Qe3 Qa5 39. Bxc6 Qxa6 40. Qxe4 Qa5 41. Bb5 Qa8 42. Qd4 Qa7 43. Kc2 Qc7 44. Rg1) 38. Qg3 Ra8?! { (6.48 → 9.58) Inaccuracy. Qe6 was best. } (38... Qe6 39. Bb5) 39. Qxg6 fxg6 40. Bb5 g5 41. Rd7 h5 42. a7 e3 43. fxe3 Rf8 44. Bc6 h4 45. a8=Q Rxa8 46. Bxa8 h3 47. Rd5 { Black resigns. } 1-0