Korshunov, Sergey And. vs Chasin, Nico
2025 London Chess Classic | FIDE Open · Round 4 · 2025.11.24 · 0-1 · A37 English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation
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PGN
[Event "2025 London Chess Classic | FIDE Open"]
[Site "Lichess"]
[Date "2025.11.24"]
[Round "4"]
[White "Korshunov, Sergey And."]
[Black "Chasin, Nico"]
[Result "0-1"]
[PlyCount "102"]
[WhiteElo "2377"]
[WhiteFideId "34274715"]
[WhiteTitle "FM"]
[BlackElo "2512"]
[BlackFideId "30908477"]
[BlackTitle "GM"]
[ECO "A37"]
[Source "LichessBroadcast"]
[SourceQuality "2"]
[ImportDate "2026-02-03"]
1. Nf3 { [%clk 1:30:58] } 1... c5 { [%clk 1:15:42] } 2. c4 { [%clk 1:31:13] }
2... Nc6 { [%clk 1:14:28] } 3. g3 { [%clk 1:31:36] } 3... g6 { [%clk 1:14:36] }
4. Bg2 { [%clk 1:31:21] } 4... Bg7 { [%clk 1:14:52] } 5. Nc3 { [%clk 1:31:22] }
5... e6 { [%clk 1:14:51] } 6. O-O { [%clk 1:29:36] } 6... Nge7
{ [%clk 1:14:49] } 7. d3 { [%clk 1:18:46] } 7... O-O { [%clk 1:10:15] } 8. Bd2
{ [%clk 1:18:23] } 8... d5 { [%clk 1:08:41] } 9. a3 { [%clk 1:13:37] } 9... b6
{ [%clk 1:08:19] } 10. Rb1 { [%clk 1:13:01] } 10... a5 { [%clk 1:04:42] } 11.
Nb5 { [%clk 1:06:57] } 11... e5 { [%clk 0:59:09] } 12. e4 { [%clk 0:44:40] }
12... dxc4 { [%clk 0:52:01] } 13. dxc4 { [%clk 0:45:05] } 13... Nd4
{ [%clk 0:42:07] } 14. Nfxd4 { [%clk 0:37:54] } 14... cxd4 { [%clk 0:42:19] }
15. b4 { [%clk 0:23:36] } 15... Be6 { [%clk 0:41:00] } 16. bxa5
{ [%clk 0:18:54] } 16... Bxc4 { [%clk 0:38:53] } 17. Re1 { [%clk 0:19:21] }
17... bxa5 $6 { Inaccuracy. Qd7 was best.[%clk 0:38:44] } 18. Qa4 $6
{ Inaccuracy. Qc2 was best.[%clk 0:19:45] } 18... Be6 $6
{ Inaccuracy. Bd3 was best.[%clk 0:37:12] } 19. Rec1 { [%clk 0:17:56] } 19...
Bd7 { [%clk 0:37:36] } 20. Bf1 { [%clk 0:13:43] } 20... Qb6 $6
{ Inaccuracy. Bc6 was best.[%clk 0:36:50] } 21. Qc4 $6
{ Inaccuracy. Qd1 was best.[%clk 0:11:00] } 21... Rac8 $6
{ Inaccuracy. Rfc8 was best.[%clk 0:24:26] } 22. Nc7 { [%clk 0:10:19] } 22...
Qa7 { [%clk 0:24:43] } 23. Bd3 $2 { Mistake. Bg5 was best.[%clk 0:07:19] }
23... Bc6 { [%clk 0:24:47] } 24. Nb5 { [%clk 0:07:43] } 24... Qd7
{ [%clk 0:24:38] } 25. Qb3 { [%clk 0:07:16] } 25... Kh8 { [%clk 0:24:34] } 26.
f3 $6 { Inaccuracy. a4 was best.[%clk 0:04:53] } 26... f5 { [%clk 0:23:35] }
27. Rf1 { [%clk 0:04:30] } 27... Rb8 $6
{ Inaccuracy. Nd5 was best.[%clk 0:22:53] } 28. a4 { [%clk 0:04:38] } 28... Ng8
{ [%clk 0:21:53] } 29. Bxa5 { [%clk 0:02:23] } 29... Nf6 { [%clk 0:21:18] } 30.
Bb4 { [%clk 0:02:19] } 30... fxe4 { [%clk 0:18:32] } 31. fxe4
{ [%clk 0:01:30] } 31... Nxe4 { [%clk 0:15:49] } 32. Bxf8 { [%clk 0:01:36] }
32... Bxf8 { [%clk 0:15:59] } 33. Rf7 { [%clk 0:01:10] } 33... Qg4 $4
{ Blunder. Qd5 was best.[%clk 0:12:10] } 34. Qd1 $4
{ Blunder. Qc2 was best.[%clk 0:01:06] } 34... Qxd1+ { [%clk 0:10:06] } 35.
Rxd1 { [%clk 0:01:32] } 35... Ng5 { [%clk 0:10:33] } 36. Rc7 { [%clk 0:01:23] }
36... Bf3 { [%clk 0:09:43] } 37. Rdc1 { [%clk 0:01:19] } 37... e4
{ [%clk 0:07:12] } 38. Rc8 { [%clk 0:00:49] } 38... Rxc8 { [%clk 0:06:37] } 39.
Rxc8 { [%clk 0:01:16] } 39... Kg7 { [%clk 0:06:15] } 40. Bxe4
{ [%clk 0:01:04] } 40... Bxe4 { [%clk 0:02:01] } 41. Nxd4 { [%clk 0:01:29] }
41... Bd6 { [%clk 0:29:10] } 42. a5 { [%clk 0:17:56] } 42... Bb7
{ [%clk 0:29:25] } 43. Rc1 { [%clk 0:15:46] } 43... Ne4 { [%clk 0:28:42] } 44.
Kf1 { [%clk 0:11:51] } 44... Kf6 { [%clk 0:26:02] } 45. Ke2 { [%clk 0:11:46] }
45... Ke5 { [%clk 0:25:32] } 46. Nf3+ { [%clk 0:12:09] } 46... Ke6
{ [%clk 0:25:10] } 47. Ke3 { [%clk 0:06:49] } 47... Bc5+ { [%clk 0:22:53] } 48.
Kf4 $6 { Inaccuracy. Kd3 was best.[%clk 0:02:14] } 48... h6 { [%clk 0:22:08] }
49. h4 $6 { Inaccuracy. Ne1 was best.[%clk 0:01:26] } 49... Bd6+ $6
{ Inaccuracy. Nf2 was best.[%clk 0:19:54] } 50. Ke3 { [%clk 0:01:52] } 50...
Nxg3 { [%clk 0:20:09] } 51. Nd4+ { [%clk 0:01:57] } 51... Kd5
{ [%clk 0:19:41] } 0-1