[Event "WCCC 1974"] [Site "Stockholm, Sweden"] [Date "1974.08.06"] [Round "2"] [White "CHAOS"] [Black "Chess 4.0"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "D29"] [Opening "Queen's Gambit Accepted: Classical Defense, Alekhine System, Smyslov Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. Qe2 a6 7. O-O b5 8. Bb3 Bb7 9. Rd1 Nbd7 10. Nc3 Bd6 { D29 Queen's Gambit Accepted: Classical Defense, Alekhine System, Smyslov Variation } 11. e4 cxd4 12. Nxd4 Qb8 13. g3 b4 14. Na4 Bxe4 15. f3 Bg6?? { (0.00 → 2.84) Blunder. e5 was best. } (15... e5 16. Ne6 fxe6 17. fxe4 Bc5+ 18. Kg2 Qb5 19. Qc2 O-O 20. Bxe6+ Kh8 21. Bxd7 Nxd7 22. Nxc5) 16. Nxe6 fxe6?! { (2.64 → 3.67) Inaccuracy. Ne5 was best. } (16... Ne5 17. Nxg7+) 17. Qxe6+ Be7?! { (3.66 → 5.62) Inaccuracy. Kf8 was best. } (17... Kf8 18. Rxd6 Qe8 19. Bd2 a5 20. Qh3 h5 21. Re6 Qd8 22. Rae1 Bf7 23. Bg5 h4 24. gxh4) 18. Re1 Qd8 19. Bf4 Kf8?! { (5.30 → 6.95) Inaccuracy. Rc8 was best. } (19... Rc8 20. Qxa6) 20. Rad1 Ra7 21. Rc1 Ng8 22. Rcd1?? { (9.05 → 3.18) Blunder. Bd6 was best. } (22. Bd6) 22... a5? { (3.18 → 5.11) Mistake. Qe8 was best. } (22... Qe8 23. Bd6) 23. Bd6 Bxd6?? { (3.96 → 14.33) Blunder. Qe8 was best. } (23... Qe8 24. Qe3) 24. Qxd6+ Ne7 25. Nc5 Bf5 26. g4 Qe8 27. Ba4 b3 28. gxf5 bxa2?! { (19.90 → Mate in 10) Checkmate is now unavoidable. Nf6 was best. } (28... Nf6 29. Bxe8) 29. Bxd7 a1=Q 30. Rxa1 Ra6 31. Nxa6 Qd8 32. Kf2 Kf7 33. Qe6+ Kf8 34. Qxe7+? { (Mate in 9 → 9.38) Lost forced checkmate sequence. f6 was best. } (34. f6 Nf5 35. Rxa5 h6 36. Rxf5 g5 37. Qd6+ Kf7 38. Re7+ Kg6 39. f7+ Kh5 40. Rxg5+ hxg5) 34... Qxe7 35. Rxe7 Kxe7 36. Nc5 Rb8 37. Rxa5 Rxb2+ 38. Kg3 g6 39. fxg6 hxg6 40. Ra6 Rc2 41. Re6+ Kf8 42. Re5 Rc1 43. Rg5 Kf7 44. Be6+ Kf6 45. h4 Rxc5? { (8.50 → Mate in 12) Checkmate is now unavoidable. Rg1+ was best. } (45... Rg1+ 46. Kf4 Rh1 47. Rg4 Ke7 48. Bc4 Rc1 49. Kg5 Rc3 50. Rf4 Rc2 51. Ne6 Rg2+ 52. Rg4) 46. Rxc5 Kxe6 47. Rg5 Kf6 48. Kg4 Kf7 49. Rc5 Ke6 50. Kg5 Kd6 51. Ra5 Kc6 52. f4 Kb6 53. Ra1 Kc5 54. Rd1 Kb4 55. Kxg6 Kc3 56. Rd8 Kb4 57. Rc8 Kb5 58. h5 Kb6 59. Rc1 Kb5 60. h6 Ka4 61. Rb1 Ka3 62. f5 Ka2 63. Rb8 Ka3 64. f6 Ka4 65. Rb7 Ka5 66. Rb8 Ka4 67. Rb1 Ka3 68. Rb7 Ka4 69. Rb8 Ka5 70. Kg7 Ka4 71. Rb7 Ka5 72. Rb2 Ka4 73. Rb8 Ka5 74. Kg8 Ka4 75. h7 Ka5 76. h8=Q Ka4 77. Qh4+ Ka5 78. Qb4+ Ka6 79. Qa4# { White wins by checkmate. } 1-0