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Correspondence Chess • CHAOS vs Chess 4.0

CHAOS plays Chess 4.0 in a casual imported game of chess. CHAOS won by checkmate after 79 moves. Click to replay, analyse, and discuss the game!

D29 Queen's Gambit Accepted: Classical Defense, Alekhine System, Smyslov Variation

CHAOS
12Inaccuracies
3Mistakes
1Blunders
21Average centipawn loss
Chess 4.0
2Inaccuracies
11Mistakes
1Blunders
34Average centipawn loss
[Event "WCCC 1974"] [Site "https://lichess.org/SWFEheX0"] [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 { [%eval 0.25] } 1... d5 { [%eval 0.16] } 2. c4 { [%eval 0.2] } 2... dxc4 { [%eval 0.37] } 3. Nf3 { [%eval 0.31] } 3... Nf6 { [%eval 0.37] } 4. e3 { [%eval 0.38] } 4... e6 { [%eval 0.37] } 5. Bxc4 { [%eval 0.33] } 5... c5 { [%eval 0.41] } 6. Qe2 { [%eval 0.26] } 6... a6 { [%eval 0.25] } 7. O-O { [%eval 0.2] } 7... b5 { [%eval 0.18] } 8. Bb3 { [%eval 0.0] } 8... Bb7 { [%eval 0.01] } 9. Rd1 { [%eval 0.0] } 9... Nbd7 { [%eval 0.0] } 10. Nc3 { [%eval 0.0] } 10... Bd6 { [%eval 0.0] } { D29 Queen's Gambit Accepted: Classical Defense, Alekhine System, Smyslov Variation } 11. e4 { [%eval 0.0] } 11... cxd4 { [%eval 0.05] } 12. Nxd4 { [%eval -0.16] } 12... Qb8 { [%eval 0.0] } 13. g3 { [%eval -0.06] } 13... b4 { [%eval 0.0] } 14. Na4 { [%eval 0.08] } 14... Bxe4 { [%eval 0.21] } 15. f3 { [%eval 0.08] } 15... Bg6? { (0.08 → 2.81) Mistake. Best move was e5. } { [%eval 2.81] } (15... e5 16. Ne6 fxe6 17. fxe4 Bc5+ 18. Nxc5 Nxc5 19. Qc4 Qb5 20. Be3 Qxc4 21. Bxc4 Nfxe4 22. Re1) 16. Nxe6 { [%eval 2.37] } 16... fxe6? { (2.37 → 3.52) Mistake. Best move was Ne5. } { [%eval 3.52] } (16... Ne5 17. Nxg7+ Kf8 18. Bh6 Kg8 19. Rxd6 Qxd6 20. Rd1 Nd3 21. Qe3 Rd8 22. Ne6 Re8 23. Nac5) 17. Qxe6+ { [%eval 3.14] } 17... Be7? { (3.14 → 5.43) Mistake. Best move was Kf8. } { [%eval 5.43] } (17... Kf8 18. Rxd6) 18. Re1 { [%eval 5.22] } 18... Qd8?! { (5.22 → 6.04) Inaccuracy. Best move was Ng8. } { [%eval 6.04] } (18... Ng8 19. Bg5 Qa7+ 20. Kg2 Ndf6 21. Nb6 Rd8 22. Rad1 Rxd1 23. Rxd1 Kf8 24. Nd7+ Qxd7 25. Rxd7) 19. Bf4 { [%eval 5.08] } 19... Kf8? { (5.08 → 7.10) Mistake. Best move was Rc8. } { [%eval 7.1] } (19... Rc8 20. Qxa6) 20. Rad1 { [%eval 6.73] } 20... Ra7? { (6.73 → 9.47) Mistake. Best move was Qe8. } { [%eval 9.47] } (20... Qe8 21. Bd6) 21. Rc1? { (9.47 → 7.34) Mistake. Best move was Bd6. } { [%eval 7.34] } (21. Bd6) 21... Ng8? { (7.34 → 9.29) Mistake. Best move was Ne5. } { [%eval 9.29] } (21... Ne5 22. Bxe5 Ne8 23. Rc8 Qd7 24. Qc4 Rb7 25. g4 Bf6 26. Ra8 Bxe5 27. Rxe5 Qd6 28. Re6) 22. Rcd1?? { (9.29 → 3.66) Blunder. Best move was Bd6. } { [%eval 3.66] } (22. Bd6) 22... a5? { (3.66 → 6.22) Mistake. Best move was Qe8. } { [%eval 6.22] } (22... Qe8 23. Bd6 Ndf6 24. Qe3 Rd7 25. Nc5 Rxd6 26. Rxd6 Bf7 27. Rb6 Qc8 28. Nxa6 Bxb3 29. Rb8) 23. Bd6 { [%eval 5.5] } 23... Bxd6?? { (5.50 → 13.86) Blunder. Best move was Qe8. } { [%eval 13.86] } (23... Qe8 24. Qe3) 24. Qxd6+ { [%eval 13.09] } 24... Ne7 { [%eval 12.73] } 25. Nc5 { [%eval 10.37] } 25... Bf5 { [%eval 12.37] } 26. g4 { [%eval 12.12] } 26... Qe8 { [%eval 11.69] } 27. Ba4 { [%eval 11.25] } 27... b3 { [%eval 23.78] } 28. gxf5 { [%eval 19.57] } 28... bxa2?! { (19.57 → Mate in 10) Checkmate is now unavoidable. Best move was Nxc5. } { [%eval #10] } (28... Nxc5 29. Bxe8) 29. Bxd7 { [%eval #9] } 29... a1=Q { [%eval #9] } 30. Rxa1 { [%eval #8] } 30... Ra6 { [%eval #8] } 31. Nxa6 { [%eval #7] } 31... Qd8 { [%eval #7] } 32. Kf2 { [%eval #6] } 32... Kf7 { [%eval #6] } 33. Qe6+ { [%eval #7] } 33... Kf8 { [%eval #9] } 34. Qxe7+? { (Mate in 9 → 9.30) Lost forced checkmate sequence. Best move was f6. } { [%eval 9.3] } (34. f6 Nf5 35. Rxa5 h6 36. Rxf5 g5 37. Qe8+ Qxe8 38. Rxe8+ Kf7 39. Rxh8 Kg6 40. Nc5 Kh5) 34... Qxe7 { [%eval 9.2] } 35. Rxe7 { [%eval 9.05] } 35... Kxe7 { [%eval 8.92] } 36. Nc5 { [%eval 8.79] } 36... Rb8 { [%eval 8.68] } 37. Rxa5 { [%eval 8.64] } 37... Rxb2+ { [%eval 8.63] } 38. Kg3 { [%eval 8.55] } 38... g6? { (8.55 → 49.20) Mistake. Best move was Kd6. } { [%eval 49.2] } (38... Kd6 39. Ba4 Rb1 40. Ne6 g6 41. Ra6+ Ke7 42. Bc2 Rg1+ 43. Kf2 Rh1 44. Ra7+ Kf6 45. Rxh7) 39. fxg6 { [%eval 48.39] } 39... hxg6 { [%eval 48.28] } 40. Ra6 { [%eval 17.86] } 40... Rc2 { [%eval 48.01] } 41. Re6+ { [%eval 20.77] } 41... Kf8 { [%eval 12.97] } 42. Re5 { [%eval 12.45] } 42... Rc1 { [%eval 45.66] } 43. Rg5? { (45.66 → 8.68) Mistake. Best move was Rd5. } { [%eval 8.68] } (43. Rd5) 43... Kf7? { (8.68 → 12.04) Mistake. Best move was Ke7. } { [%eval 12.04] } (43... Ke7 44. Bg4 Kd8 45. Ne4 Rg1+ 46. Kf2 Ra1 47. Rxg6 Kc7 48. h4 Ra2+ 49. Kg3 Ra1 50. h5) 44. Be6+ { [%eval 8.72] } 44... Kf6? { (8.72 → 11.47) Mistake. Best move was Kg7. } { [%eval 11.47] } (44... Kg7 45. Bg4) 45. h4 { [%eval 8.62] } 45... Rxc5? { (8.62 → Mate in 12) Checkmate is now unavoidable. Best move was Ke7. } { [%eval #12] } (45... Ke7 46. Bg4 Rg1+ 47. Kh2 Rc1 48. Ne6 Kd6 49. Rxg6 Rb1 50. h5 Rb8 51. Nf4+ Kc5 52. Nd3+) 46. Rxc5 { [%eval #11] } 46... Kxe6 { [%eval #11] } 47. Rg5 { [%eval #10] } 47... Kf6 { [%eval #10] } 48. Kg4 { [%eval #9] } 48... Kf7 { [%eval #9] } 49. Rc5 { [%eval #11] } 49... Ke6 { [%eval #11] } 50. Kg5 { [%eval #11] } 50... Kd6 { [%eval #11] } 51. Ra5 { [%eval #10] } 51... Kc6 { [%eval #10] } 52. f4 { [%eval #9] } 52... Kb6 { [%eval #9] } 53. Ra1 { [%eval #10] } 53... Kc5 { [%eval #10] } 54. Rd1 { [%eval #9] } 54... Kb4 { [%eval #9] } 55. Kxg6 { [%eval #8] } 55... Kc3 { [%eval #9] } 56. Rd8 { [%eval #8] } 56... Kb4 { [%eval #8] } 57. Rc8 { [%eval #7] } 57... Kb5 { [%eval #7] } 58. h5 { [%eval #6] } 58... Kb6 { [%eval #6] } 59. Rc1 { [%eval #6] } 59... Kb5 { [%eval #6] } 60. h6 { [%eval #5] } 60... Ka4 { [%eval #5] } 61. Rb1 { [%eval #4] } 61... Ka3 { [%eval #4] } 62. f5?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Rb8. } { [%eval #4] } (62. Rb8 Ka2 63. h7 Ka1 64. h8=Q+ Ka2 65. Qb2#) 62... Ka2 { [%eval #4] } 63. Rb8 { [%eval #3] } 63... Ka3 { [%eval #3] } 64. f6?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was h7. } { [%eval #4] } (64. h7 Ka2 65. h8=Q Ka3 66. Qa1#) 64... Ka4 { [%eval #4] } 65. Rb7?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was f7. } { [%eval #4] } (65. f7 Ka3 66. f8=Q+ Ka2 67. Qf7+ Ka1 68. Qa7#) 65... Ka5 { [%eval #4] } 66. Rb8?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was f7. } { [%eval #4] } (66. f7 Ka6 67. Rb8 Ka7 68. f8=Q Ka6 69. Qa3#) 66... Ka4 { [%eval #4] } 67. Rb1?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was f7. } { [%eval #4] } (67. f7 Ka3 68. f8=Q+ Ka2 69. Qf7+ Ka1 70. Qa7#) 67... Ka3 { [%eval #4] } 68. Rb7 { [%eval #3] } 68... Ka4 { [%eval #3] } 69. Rb8?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was f7. } { [%eval #4] } (69. f7 Ka3 70. f8=Q+ Ka4 71. Qb4#) 69... Ka5 { [%eval #4] } 70. Kg7?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was f7. } { [%eval #4] } (70. f7 Ka6 71. f8=Q Ka7 72. h7 Ka6 73. Qa3#) 70... Ka4 { [%eval #4] } 71. Rb7?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was f7. } { [%eval #4] } (71. f7 Ka3 72. f8=Q+ Ka2 73. Qf7+ Ka1 74. Qa7#) 71... Ka5 { [%eval #4] } 72. Rb2?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was f7. } { [%eval #4] } (72. f7 Ka6 73. Rb8 Ka7 74. f8=Q Ka6 75. Qa3#) 72... Ka4 { [%eval #4] } 73. Rb8?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was f7. } { [%eval #4] } (73. f7 Ka3 74. Rb8 Ka2 75. f8=Q Ka1 76. Qa3#) 73... Ka5 { [%eval #4] } 74. Kg8?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was f7. } { [%eval #4] } (74. f7 Ka6 75. f8=Q Ka7 76. Qb4 Ka6 77. Qa3#) 74... Ka4 { [%eval #4] } 75. h7 { [%eval #3] } 75... Ka5 { [%eval #3] } 76. h8=Q { [%eval #2] } 76... Ka4 { [%eval #2] } 77. Qh4+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was f7. } { [%eval #2] } (77. f7 Ka3 78. Qa1#) 77... Ka5 { [%eval #2] } 78. Qb4+ { [%eval #1] } 78... Ka6 { [%eval #1] } 79. Qa4# { White wins by checkmate. } 1-0