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Correspondence Chess • AlphaZero vs Stockfish8

AlphaZero plays Stockfish8 in a casual imported game of chess. Stockfish8 resigned after 56 moves. Click to replay, analyse, and discuss the game!

E17 Queen's Indian Defense: Classical Variation, Polugaevsky Gambit

AlphaZero
1Inaccuracies
1Mistakes
0Blunders
15Average centipawn loss
Stockfish8
5Inaccuracies
5Mistakes
0Blunders
24Average centipawn loss
[Event "AlphaZero-SF"] [Site "https://lichess.org/zbCOTavB"] [Date "2017.12.06"] [Round "-"] [White "AlphaZero"] [Black "Stockfish8"] [Result "1-0"] [UTCDate "2017.12.06"] [UTCTime "09:29:15"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "E17"] [Opening "Queen's Indian Defense: Classical Variation, Polugaevsky Gambit"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 { [%eval 0.1] } 1... Nf6 { [%eval 0.07] } 2. d4 { [%eval 0.17] } 2... e6 { [%eval 0.08] } 3. c4 { [%eval 0.12] } 3... b6 { [%eval 0.14] } 4. g3 { [%eval 0.06] } 4... Bb7 { [%eval 0.17] } 5. Bg2 { [%eval 0.24] } 5... Be7 { [%eval 0.25] } 6. O-O { [%eval 0.26] } 6... O-O { [%eval 0.14] } 7. d5 { [%eval 0.0] } 7... exd5 { [%eval 0.0] } 8. Nh4 { [%eval 0.0] } { E17 Queen's Indian Defense: Classical Variation, Polugaevsky Gambit } 8... c6 { [%eval 0.03] } 9. cxd5 { [%eval -0.01] } 9... Nxd5 { [%eval 0.01] } 10. Nf5 { [%eval 0.0] } 10... Nc7 { [%eval 0.0] } 11. e4 { [%eval 0.02] } 11... d5 { [%eval 0.0] } 12. exd5 { [%eval 0.0] } 12... Nxd5 { [%eval 0.0] } 13. Nc3 { [%eval 0.08] } 13... Nxc3 { [%eval 0.08] } 14. Qg4 { [%eval 0.0] } 14... g6 { [%eval 0.0] } 15. Nh6+ { [%eval 0.0] } 15... Kg7 { [%eval 0.35] } 16. bxc3 { [%eval -0.09] } 16... Bc8 { [%eval -0.15] } 17. Qf4 { [%eval -0.08] } 17... Qd6 { [%eval -0.14] } 18. Qa4 { [%eval -0.19] } 18... g5 { [%eval -0.36] } 19. Re1 { [%eval -0.52] } 19... Kxh6 { [%eval -0.72] } 20. h4 { [%eval -0.85] } 20... f6 { [%eval -0.64] } 21. Be3?! { (-0.64 → -1.48) Inaccuracy. Best move was Rxe7. } { [%eval -1.48] } (21. Rxe7 Qxe7 22. Ba3 c5 23. Bxa8 Bf5 24. Bg2 Rd8 25. hxg5+ fxg5 26. Bc1 Kg7 27. Be3 h6) 21... Bf5? { (-1.48 → -0.25) Mistake. Best move was Kg7. } { [%eval -0.25] } (21... Kg7 22. Rad1 Qe6 23. Bxg5 Qf7 24. Be3 b5 25. Qe4 a5 26. a4 bxa4 27. Qxa4 Re8 28. Bf1) 22. Rad1 { [%eval -0.61] } 22... Qa3?! { (-0.61 → 0.00) Inaccuracy. Best move was Qc7. } { [%eval 0.0] } (22... Qc7 23. Be4) 23. Qc4 { [%eval -0.29] } 23... b5 { [%eval 0.0] } 24. hxg5+ { [%eval 0.0] } 24... fxg5 { [%eval 0.0] } 25. Qh4+ { [%eval 0.0] } 25... Kg6 { [%eval 0.0] } 26. Qh1 { [%eval 0.0] } 26... Kg7 { [%eval 0.0] } 27. Be4 { [%eval 0.0] } 27... Bg6 { [%eval 0.0] } 28. Bxg6 { [%eval 0.0] } 28... hxg6 { [%eval 0.0] } 29. Qh3 { [%eval 0.0] } 29... Bf6 { [%eval 0.0] } 30. Kg2 { [%eval 0.0] } 30... Qxa2 { [%eval 0.0] } 31. Rh1 { [%eval -0.16] } 31... Qg8 { [%eval 0.0] } 32. c4 { [%eval 0.0] } 32... Re8 { [%eval 0.0] } 33. Bd4? { (0.00 → -1.07) Mistake. Best move was Rd6. } { [%eval -1.07] } (33. Rd6 bxc4 34. Qh6+ Kf7 35. Rxf6+ Kxf6 36. Qxg5+ Ke6 37. Rd1 Qf7 38. Qg4+ Qf5 39. Qxc4+ Ke7) 33... Bxd4? { (-1.07 → 0.00) Mistake. Best move was Rd8. } { [%eval 0.0] } (33... Rd8 34. Bxf6+ Kxf6 35. cxb5 Rd5 36. Qg4 Nd7 37. Qf3+ Kg7 38. bxc6 Nf6 39. Rb1 Rf8 40. Rb7+) 34. Rxd4 { [%eval -0.24] } 34... Rd8? { (-0.24 → 1.59) Mistake. Best move was Re5. } { [%eval 1.59] } (34... Re5 35. cxb5 cxb5 36. Rd3 Re6 37. Qh6+ Kf7 38. Qxg5 Nc6 39. Rf3+ Ke8 40. Qxb5 Rb8 41. Qc5) 35. Rxd8 { [%eval 1.51] } 35... Qxd8 { [%eval 1.59] } 36. Qe6 { [%eval 1.49] } 36... Nd7 { [%eval 1.52] } 37. Rd1 { [%eval 1.52] } 37... Nc5 { [%eval 1.49] } 38. Rxd8 { [%eval 1.3] } 38... Nxe6 { [%eval 1.36] } 39. Rxa8 { [%eval 1.22] } 39... Kf6 { [%eval 1.45] } 40. cxb5 { [%eval 1.61] } 40... cxb5 { [%eval 1.38] } 41. Kf3 { [%eval 1.29] } 41... Nd4+?! { (1.29 → 2.10) Inaccuracy. Best move was Ke5. } { [%eval 2.1] } (41... Ke5 42. Ke3 Ng7 43. Rxa7 Nf5+ 44. Kd3 Kd5 45. Rb7 Nd6 46. Rb8 g4 47. Rg8 Nc4 48. Kc3) 42. Ke4 { [%eval 1.86] } 42... Nc6 { [%eval 2.01] } 43. Rc8 { [%eval 1.6] } 43... Ne7? { (1.60 → 3.92) Mistake. Best move was Nb4. } { [%eval 3.92] } (43... Nb4 44. Rc5) 44. Rb8 { [%eval 3.5] } 44... Nf5?! { (3.50 → 4.33) Inaccuracy. Best move was b4. } { [%eval 4.33] } (44... b4 45. Rxb4) 45. g4 { [%eval 3.92] } 45... Nh6? { (3.92 → 4.98) Mistake. Best move was Nd6+. } { [%eval 4.98] } (45... Nd6+ 46. Kd5 Nf7 47. Rxb5 Ne5 48. Rb4 Nf3 49. Ra4 Nh2 50. Ra6+ Kg7 51. Rxa7+ Kf6 52. Ra4) 46. f3 { [%eval 4.98] } 46... Nf7 { [%eval 4.98] } 47. Ra8 { [%eval 4.98] } 47... Nd6+ { [%eval 4.98] } 48. Kd5 { [%eval 4.98] } 48... Nc4 { [%eval 4.98] } 49. Rxa7 { [%eval 4.98] } 49... Ne3+ { [%eval 4.91] } 50. Ke4 { [%eval 4.98] } 50... Nc4 { [%eval 4.96] } 51. Ra6+ { [%eval 4.69] } 51... Kg7 { [%eval 4.62] } 52. Rc6 { [%eval 4.23] } 52... Kf7?! { (4.23 → 4.78) Inaccuracy. Best move was Nd2+. } { [%eval 4.78] } (52... Nd2+ 53. Ke3 Nb1 54. Kd3 b4 55. Rb6 Nc3 56. Rxb4 Nd5 57. Rb5 Nf4+ 58. Ke3 Nh3 59. Ke4) 53. Rc5 { [%eval 4.01] } 53... Ke6?! { (4.01 → 4.87) Inaccuracy. Best move was Kf6. } { [%eval 4.87] } (53... Kf6 54. Rd5) 54. Rxg5 { [%eval 4.93] } 54... Kf6 { [%eval 5.08] } 55. Rc5 { [%eval 4.83] } 55... g5 { [%eval 4.98] } 56. Kd4 { [%eval 3.98] } { Black resigns. } 1-0