Dudin, Gleb vs Guo, Ethan
17. annual Southwest Class Championship · Round 5.3 · 2026.02.12 · 1-0 · D85 Grünfeld Defense: Exchange Variation, Modern Exchange Variation
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PGN
[Event "17. annual Southwest Class Championship"]
[Site "Lichess"]
[Date "2026.02.12"]
[Round "5.3"]
[White "Dudin, Gleb"]
[Black "Guo, Ethan"]
[Result "1-0"]
[PlyCount "109"]
[WhiteElo "2596"]
[WhiteFideId "34184934"]
[WhiteTitle "GM"]
[BlackElo "2329"]
[BlackFideId "30976359"]
[BlackTitle "FM"]
[ECO "D85k"]
[Source "LichessBroadcast"]
[SourceQuality "2"]
[ImportDate "2023-03-03"]
1. d4 { [%clk 1:15:41] } 1... Nf6 { [%clk 1:20:00] } 2. Nf3 { [%clk 1:15:41] }
2... g6 { [%clk 1:20:00] } 3. c4 { [%clk 1:14:52] } 3... Bg7 { [%clk 1:20:00] }
4. Nc3 { [%clk 1:14:52] } 4... d5 { [%clk 1:20:00] } 5. cxd5 { [%clk 1:14:52] }
5... Nxd5 { [%clk 1:20:00] } 6. e4 { [%clk 1:14:52] } 6... Nxc3
{ [%clk 1:20:00] } 7. bxc3 { [%clk 1:14:52] } 7... c5 { [%clk 1:20:00] } 8.
Bb5+ { [%clk 1:14:52] } 8... Nc6 { [%clk 1:19:50] } 9. O-O { [%clk 1:14:52] }
9... O-O { [%clk 1:19:32] } 10. d5 { [%clk 1:12:10] } 10... Qa5 $6
{ Inaccuracy. Bxc3 was best.[%clk 1:11:08] } 11. Rb1 { [%clk 0:49:13] } 11...
Ne5 { [%clk 1:08:24] } 12. Nxe5 { [%clk 0:37:38] } 12... Bxe5
{ [%clk 1:08:00] } 13. c4 { [%clk 0:37:34] } 13... Qxa2 { [%clk 1:00:17] } 14.
Bb2 { [%clk 0:36:02] } 14... Bxb2 { [%clk 0:59:12] } 15. Qd2 { [%clk 0:34:28] }
15... Qxb1 { [%clk 0:52:20] } 16. Rxb1 { [%clk 0:34:28] } 16... Bd4
{ [%clk 0:52:20] } 17. Ba4 { [%clk 0:04:50] } 17... f6 $6
{ Inaccuracy. f5 was best.[%clk 0:47:49] } 18. Kh1 { [%clk 0:01:43] } 18...
b6 { [%clk 0:47:49] } 19. f4 { [%clk 0:01:20] } 19... Rb8 { [%clk 0:47:49] }
20. h3 { [%clk 0:01:09] } 20... a6 $6
{ Inaccuracy. e5 was best.[%clk 0:46:21] } 21. Bc6 { [%clk 0:01:09] } 21...
Kg7 { [%clk 0:45:29] } 22. Qe1 { [%clk 0:00:37] } 22... e5 { [%clk 0:43:33] }
23. fxe5 $2 { Mistake. f5 was best.[%clk 0:00:04] } 23... Bxe5
{ [%clk 0:43:33] } 24. Qd2 { [%clk 0:00:04] } 24... Rd8 $6
{ Inaccuracy. h5 was best.[%clk 0:43:33] } 25. Qa2 { [%clk 0:00:04] } 25...
Rd6 $6 { Inaccuracy. h5 was best.[%clk 0:40:55] } 26. g4 { [%clk 0:00:04] }
26... h6 $6 { Inaccuracy. a5 was best.[%clk 0:40:39] } 27. Kg2 $6
{ Inaccuracy. Rb3 was best.[%clk 0:00:04] } 27... Rd8 { [%clk 0:40:39] } 28.
Kf3 $6 { Inaccuracy. Rb3 was best.[%clk 0:00:04] } 28... a5 $6
{ Inaccuracy. h5 was best.[%clk 0:40:33] } 29. Qa4 $6
{ Inaccuracy. Kg2 was best.[%clk 0:00:04] } 29... Kf7 $6
{ Inaccuracy. h5 was best.[%clk 0:40:10] } 30. Ke2 { [%clk 0:00:04] } 30...
Ke7 { [%clk 0:39:57] } 31. Qc2 { [%clk 0:00:04] } 31... Kf7 { [%clk 0:39:12] }
32. Rb3 { [%clk 0:00:04] } 32... Ba6 { [%clk 0:35:52] } 33. Kd3
{ [%clk 0:00:04] } 33... Bc7 { [%clk 0:34:55] } 34. Qb2 { [%clk 0:00:04] }
34... Bb7 { [%clk 0:34:55] } 35. Bxb7 { [%clk 0:00:04] } 35... Rxb7
{ [%clk 0:34:55] } 36. Qa3 { [%clk 0:00:04] } 36... Be5 { [%clk 0:34:55] } 37.
Qa4 { [%clk 0:00:04] } 37... Rd6 { [%clk 0:34:55] } 38. Rb1 { [%clk 0:00:04] }
38... Rb8 { [%clk 0:34:55] } 39. Kc2 { [%clk 0:00:04] } 39... Ra8
{ [%clk 0:34:55] } 40. h4 { [%clk 0:00:04] } 40... Kg7 { [%clk 0:34:55] } 41.
Kb3 { [%clk 0:28:40] } 41... Kf7 { [%clk 1:00:50] } 42. Ka3 { [%clk 0:28:01] }
42... Kg7 { [%clk 1:00:50] } 43. Qb3 { [%clk 0:26:12] } 43... Ra7 $6
{ Inaccuracy. g5 was best.[%clk 1:00:50] } 44. Ka4 { [%clk 0:25:55] } 44... Ra8
{ [%clk 1:00:50] } 45. Qf3 { [%clk 0:24:22] } 45... Ra7 $6
{ Inaccuracy. Rf8 was best.[%clk 0:59:42] } 46. h5 { [%clk 0:20:48] } 46...
Re7 { [%clk 0:57:41] } 47. hxg6 { [%clk 0:13:51] } 47... Kxg6
{ [%clk 0:55:47] } 48. Qf5+ { [%clk 0:13:51] } 48... Kg7 { [%clk 0:55:47] } 49.
Qc8 { [%clk 0:13:01] } 49... Bf4 { [%clk 0:54:18] } 50. Rf1 { [%clk 0:12:52] }
50... Bh2 $6 { Inaccuracy. b5+ was best.[%clk 0:53:31] } 51. g5
{ [%clk 0:10:43] } 51... hxg5 { [%clk 0:52:51] } 52. Rh1 { [%clk 0:10:43] }
52... Rxe4 { [%clk 0:52:51] } 53. Rxh2 { [%clk 0:10:43] } 53... Rxc4+
{ [%clk 0:52:51] } 54. Kb3 { [%clk 0:10:43] } 54... Rb4+ { [%clk 0:52:51] } 55.
Kc3 { [%clk 0:10:43] } 1-0