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Serendipity 072cb43e vs CatGPT b2a1b3db

2026.09.08 · game 4
White to move
PGN
[Event "TCEC Season 30 - Category 3+4 Playoff"]
[Site "tcec-chess.com"]
[Date "2026.09.08"]
[Round "21.1"]
[White "Serendipity 072cb43e"]
[Black "CatGPT b2a1b3db"]
[Result "1/2-1/2"]
[WhiteElo "3561"]
[WhiteTitle "BOT"]
[BlackElo "3695"]
[BlackTitle "BOT"]
[TimeControl "1800+3"]
[Termination "adjudication - TCEC draw rule"]
[Variant "Standard"]
[ECO "A54"]
[Opening "Old Indian Defense: Two Knights Variation"]
[UTCDate "2026.09.08"]
[UTCTime "08:50:54"]
[BroadcastName "TCEC S30: Playoff & Swiss 10 | Playoff | Cat 3+4"]
[BroadcastURL "https://lichess.org/broadcast/tcec-s30-playoff-swiss-10-playoff-cat-34/round-21/XFXInXee"]
[GameURL "https://lichess.org/broadcast/tcec-s30-playoff-swiss-10-playoff-cat-34/round-21/XFXInXee/p3SzcagP"]

1. d4 { [%eval 0.15] [%clk 0:30:00] } 1... Nf6 { [%eval 0.15] [%clk 0:30:00] } 2. c4 { [%eval 0.16] [%clk 0:30:00] } 2... d6 { [%eval 0.47] [%clk 0:30:00] } 3. Nc3 { [%eval 0.48] [%clk 0:30:00] } 3... e5 { [%eval 0.41] [%clk 0:30:00] } 4. Nf3 { [%eval 0.54] [%clk 0:30:00] } 4... Nc6 { [%eval 0.85] [%clk 0:30:00] } 5. d5 { [%eval 0.83] [%clk 0:30:00] } 5... Ne7 { [%eval 0.79] [%clk 0:30:00] } 6. e4 { [%eval 0.95] [%clk 0:30:00] } 6... Ng6 { [%eval 0.85] [%clk 0:30:00] } 7. h4 { [%eval 0.97] [%clk 0:30:00] } 7... Be7 { [%eval 0.87] [%clk 0:30:00] } 8. g3 { [%eval 0.91] [%clk 0:28:33] } 8... h6 { [%eval 0.95] [%clk 0:27:46] } 9. a4 { [%eval 0.94] [%clk 0:27:14] } 9... a5 { [%eval 0.98] [%clk 0:21:20] } 10. Nd2 { [%eval 1.05] [%clk 0:25:52] } 10... Nf8 { [%eval 1.04] [%clk 0:20:15] } 11. Qe2 { [%eval 1.06] [%clk 0:24:31] } 11... N8d7 { [%eval 1.01] [%clk 0:18:17] } 12. Nb3 { [%eval 0.88] [%clk 0:23:27] } 12... Nb8 { [%eval 0.95] [%clk 0:18:20] } 13. Be3 { [%eval 0.95] [%clk 0:22:23] } 13... Na6 { [%eval 0.93] [%clk 0:18:23] } 14. O-O-O { [%eval 0.86] [%clk 0:21:02] } 14... O-O { [%eval 0.94] [%clk 0:17:39] } 15. f3 { [%eval 1.0] [%clk 0:20:05] } 15... Nh5 { [%eval 0.9] [%clk 0:17:42] } 16. Qe1 { [%eval 0.91] [%clk 0:18:34] } 16... Bd7 { [%eval 0.93] [%clk 0:17:04] } 17. Rh2 { [%eval 0.94] [%clk 0:17:23] } 17... Qe8 { [%eval 0.99] [%clk 0:17:07] } 18. Nb5 { [%eval 0.99] [%clk 0:16:17] } 18... Kh8 { [%eval 0.98] [%clk 0:16:10] } 19. g4 { [%eval 1.02] [%clk 0:14:52] } 19... Nf4 { [%eval 0.99] [%clk 0:16:13] } 20. Kb1 { [%eval 0.9] [%clk 0:14:11] } 20... h5 { [%eval 0.93] [%clk 0:16:16] } 21. gxh5 { [%eval 0.95] [%clk 0:13:09] } 21... Nxh5 { [%eval 1.06] [%clk 0:13:15] } 22. c5 { [%eval 1.02] [%clk 0:12:36] } 22... f5 { [%eval 1.1] [%clk 0:13:18] } 23. Bc4 { [%eval 1.16] [%clk 0:11:41] } 23... dxc5 { [%eval 1.01] [%clk 0:12:47] } 24. Rg2 { [%eval 1.15] [%clk 0:10:55] } 24... b6 { [%eval 1.11] [%clk 0:12:50] } 25. Bg5 { [%eval 0.97] [%clk 0:10:22] } 25... Bd6 { [%eval 1.02] [%clk 0:12:53] } 26. Qe2 { [%eval 0.97] [%clk 0:09:54] } 26... Nb4 { [%eval 0.99] [%clk 0:12:23] } 27. Rdg1 { [%eval 1.02] [%clk 0:08:55] } 27... f4 { [%eval 0.99] [%clk 0:11:46] } 28. Qd1 { [%eval 0.98] [%clk 0:08:25] } 28... Kh7 { [%eval 0.99] [%clk 0:10:05] } 29. Nc1 { [%eval 1.04] [%clk 0:06:57] } 29... Qf7 { [%eval 1.04] [%clk 0:09:22] } 30. b3 { [%eval 0.99] [%clk 0:06:13] } 30... Rfc8 { [%eval 0.96] [%clk 0:08:51] } 31. Rd2 { [%eval 0.73] [%clk 0:05:07] } 31... Rcb8 { [%eval 0.77] [%clk 0:08:18] } 32. Ne2 { [%eval 0.53] [%clk 0:04:40] } 32... Bxb5 { [%eval 0.54] [%clk 0:07:49] } 33. Bxb5 { [%eval 0.58] [%clk 0:04:27] } 33... c4 { [%eval 0.6] [%clk 0:07:27] } 34. Bxc4 { [%eval 0.61] [%clk 0:04:16] } 34... b5 { [%eval 0.84] [%clk 0:07:30] } 35. axb5?! { [%eval -0.2] } { Inaccuracy. Bxb5 was best. } { [%clk 0:04:06] } 35... a4 { [%eval -0.21] [%clk 0:07:09] } 36. bxa4 { [%eval -0.3] [%clk 0:03:57] } 36... c6 { [%eval -0.33] [%clk 0:07:12] } 37. Nc3 { [%eval -0.27] [%clk 0:03:47] } 37... cxb5 { [%eval -0.21] [%clk 0:07:15] } 38. Nxb5 { [%eval -0.28] [%clk 0:03:38] } 38... Qd7 { [%eval -0.3] [%clk 0:07:18] } 39. Rb2 { [%eval -0.36] [%clk 0:03:16] } 39... Na6 { [%eval -0.4] [%clk 0:07:21] } 40. Ra2 { [%eval -0.45] [%clk 0:03:07] } 40... Qc8 { [%eval -0.49] [%clk 0:06:48] } 41. Qc1 { [%eval -0.49] [%clk 0:02:59] } 41... Nc5 { [%eval -0.44] [%clk 0:06:13] } 42. Qc2 { [%eval -0.51] [%clk 0:02:52] } 42... Qd7 { [%eval -0.44] [%clk 0:06:16] } 43. Ka1 { [%eval -0.44] [%clk 0:02:46] } 43... Na6 { [%eval -0.46] [%clk 0:06:01] } 44. Rb1 { [%eval -0.35] [%clk 0:02:39] } 44... Nb4 { [%eval -0.27] [%clk 0:06:04] } 45. Rxb4 { [%eval -0.26] [%clk 0:02:26] } 45... Bxb4 { [%eval -0.31] [%clk 0:06:07] } 46. Kb1 { [%eval -0.28] [%clk 0:02:21] } 46... Bd6 { [%eval -0.22] [%clk 0:06:10] } 47. Bb3 { [%eval -0.28] [%clk 0:02:16] } 47... Ra5 { [%eval -0.16] [%clk 0:05:51] } 48. Rb2 { [%eval -0.19] [%clk 0:02:07] } 48... Rbxb5 { [%eval -0.05] [%clk 0:05:38] } 49. axb5 { [%eval -0.17] [%clk 0:02:03] } 49... Qxb5 { [%eval 0.0] [%clk 0:05:26] } 50. Ra2 { [%eval 0.0] [%clk 0:01:58] } 50... Rxa2 { [%eval 0.0] [%clk 0:05:14] } 51. Kxa2 { [%eval -0.01] [%clk 0:01:53] } 51... Qa6+ { [%eval 0.0] [%clk 0:04:56] } 52. Kb1 { [%eval 0.0] [%clk 0:01:48] } 52... Qf1+ { [%eval 0.0] [%clk 0:04:35] } 53. Qd1 { [%eval 0.0] [%clk 0:01:44] } 53... Qb5 { [%eval 0.0] [%clk 0:04:18] } 54. Qc2 { [%eval -0.01] [%clk 0:01:35] } 54... Qb6 { [%eval 0.0] [%clk 0:04:09] } 55. Qd3 { [%eval 0.0] [%clk 0:01:27] } 55... Kh8 { [%eval 0.0] [%clk 0:03:57] } 56. Qc3 { [%eval 0.0] [%clk 0:01:15] } 56... Ng3 { [%eval 0.0] [%clk 0:03:46] } 57. Kc2 { [%eval 0.0] [%clk 0:01:11] } 57... Qf2+ { [%eval -0.05] [%clk 0:03:49] } 58. Kb1 { [%eval 0.0] [%clk 0:00:54] } 58... Kh7 { [%eval 0.0] [%clk 0:03:38] } 59. Bc4 { [%eval 0.0] [%clk 0:00:52] } 59... Nf1 { [%eval 0.0] [%clk 0:03:25] } 60. Bxf1 { [%eval 0.0] [%clk 0:00:47] } 60... Qxf1+ { [%eval 0.0] [%clk 0:03:18] } 61. Kc2 { [%eval 0.0] [%clk 0:00:45] } 61... Qe2+ { [%eval 0.0] [%clk 0:03:09] } 62. Kb1 { [%eval 0.0] [%clk 0:00:44] } 62... Qb5+ { [%eval 0.0] [%clk 0:02:59] } 63. Kc2 { [%eval 0.0] [%clk 0:00:42] } 63... Qa4+ { [%eval 0.0] [%clk 0:02:49] } 64. Kb1 { [%eval 0.0] [%clk 0:00:41] } 1/2-1/2
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