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Jammalamadaka, Vihaan vs Clasby, Derek

2026.07.02 · game 1
White to move
PGN
[Event "54th World Open - 2026"]
[Site "Washington DC, United States"]
[Date "2026.07.02"]
[Round "2.22"]
[White "Jammalamadaka, Vihaan"]
[Black "Clasby, Derek"]
[Result "1-0"]
[WhiteElo "2109"]
[WhiteTitle "CM"]
[WhiteFideId "30977134"]
[BlackElo "2331"]
[BlackTitle "FM"]
[BlackFideId "30932300"]
[TimeControl "G/90; SD/30; d30"]
[Variant "Standard"]
[ECO "E34"]
[Opening "Nimzo-Indian Defense: Classical Variation, Noa Variation"]
[UTCDate "2026.07.02"]
[UTCTime "15:17:11"]
[BroadcastName "54th annual World Open - 2026"]
[BroadcastURL "https://lichess.org/broadcast/54th-annual-world-open-2026/round-2/I0bNWX4g"]
[GameURL "https://lichess.org/broadcast/54th-annual-world-open-2026/round-2/I0bNWX4g/crFHGZLy"]

1. d4 { [%eval 0.15] [%clk 1:27:42] } 1... Nf6 { [%eval 0.15] [%clk 1:25:28] } 2. c4 { [%eval 0.16] [%clk 1:27:42] } 2... e6 { [%eval 0.14] [%clk 1:24:46] } 3. Nc3 { [%eval 0.09] [%clk 1:27:42] } 3... Bb4 { [%eval 0.15] [%clk 1:24:46] } 4. Qc2 { [%eval 0.08] [%clk 1:27:42] } 4... d5 { [%eval 0.07] [%clk 1:20:13] } 5. Nf3 { [%eval 0.0] [%clk 1:27:42] } 5... h6 { [%eval 0.24] [%clk 1:14:17] } 6. a3 { [%eval 0.26] [%clk 1:22:41] } 6... Bxc3+ { [%eval 0.36] [%clk 1:12:08] } 7. bxc3 { [%eval 0.06] [%clk 1:22:41] } 7... O-O { [%eval 0.42] [%clk 1:06:31] } 8. g3 { [%eval 0.0] [%clk 1:21:52] } 8... c5 { [%eval 0.0] [%clk 0:59:14] } 9. Bg2 { [%eval 0.0] [%clk 1:16:35] } 9... dxc4 { [%eval -0.02] [%clk 0:56:20] } 10. O-O { [%eval -0.05] [%clk 1:12:35] } 10... Nc6 { [%eval 0.05] [%clk 0:54:21] } 11. dxc5 { [%eval -0.34] [%clk 1:03:47] } 11... e5 { [%eval -0.25] [%clk 0:41:15] } 12. Nd2 { [%eval -0.36] [%clk 1:00:07] } 12... Qa5 { [%eval -0.02] [%clk 0:39:00] } 13. a4 { [%eval -0.13] [%clk 0:59:25] } 13... Be6 { [%eval -0.15] [%clk 0:33:35] } 14. Ba3 { [%eval -0.13] [%clk 0:58:16] } 14... Rfd8 { [%eval 0.0] [%clk 0:30:30] } 15. Rfd1 { [%eval -0.29] [%clk 0:53:15] } 15... Bd5?! { [%eval 0.34] } { Inaccuracy. Kh8 was best. } { [%clk 0:19:53] } 16. Bh3?! { [%eval -0.3] } { Inaccuracy. Bxd5 was best. } { [%clk 0:43:52] } 16... e4 { [%eval -0.3] [%clk 0:17:15] } 17. Nf1 { [%eval -0.19] [%clk 0:42:52] } 17... Ne5 { [%eval 0.2] [%clk 0:16:43] } 18. Bb4 { [%eval 0.3] [%clk 0:40:50] } 18... Qc7 { [%eval 0.48] [%clk 0:11:11] } 19. Ne3 { [%eval 0.52] [%clk 0:40:48] } 19... Bc6 { [%eval 0.85] [%clk 0:11:11] } 20. Rd4?! { [%eval 0.21] } { Inaccuracy. Rd6 was best. } { [%clk 0:38:25] } 20... a5 { [%eval 0.74] [%clk 0:10:44] } 21. Ba3 { [%eval 0.78] [%clk 0:38:25] } 21... g6 { [%eval 1.07] [%clk 0:10:21] } 22. Rad1 { [%eval 1.05] [%clk 0:38:04] } 22... Qe7 { [%eval 1.0] [%clk 0:09:35] } 23. Qd2 { [%eval 0.65] [%clk 0:17:17] } 23... Re8 { [%eval 0.66] [%clk 0:09:15] } 24. Qb2 { [%eval 0.18] [%clk 0:16:11] } 24... Qc7?! { [%eval 1.08] } { Inaccuracy. h5 was best. } { [%clk 0:08:03] } 25. Rd6 { [%eval 1.19] [%clk 0:15:04] } 25... Kg7 { [%eval 1.42] [%clk 0:08:03] } 26. R1d4 { [%eval 1.5] [%clk 0:14:26] } 26... Qe7 { [%eval 1.53] [%clk 0:06:50] } 27. Qc1 { [%eval 1.16] [%clk 0:13:54] } 27... h5 { [%eval 1.13] [%clk 0:05:23] } 28. Qd2 { [%eval 1.14] [%clk 0:12:00] } 28... h4? { [%eval 2.59] } { Mistake. Nfg4 was best. } { [%clk 0:04:54] } 29. Bc1 { [%eval 2.62] [%clk 0:10:34] } 29... Rh8 { [%eval 2.78] [%clk 0:04:46] } 30. g4 { [%eval 2.67] [%clk 0:10:34] } 30... Bxa4? { [%eval 4.42] } { Mistake. Ne8 was best. } { [%clk 0:01:53] } 31. g5 { [%eval 4.58] [%clk 0:09:51] } 31... Ne8 { [%eval 4.69] [%clk 0:01:34] } 32. Nd5 { [%eval 5.09] [%clk 0:08:53] } 32... Qf8 { [%eval 4.67] [%clk 0:01:34] } 33. Qf4 { [%eval 4.95] [%clk 0:08:30] } 33... Nc6 { [%eval 4.84] [%clk 0:01:34] } 34. Rxe4 { [%eval 4.48] [%clk 0:06:47] } 34... Nxd6 { [%eval 5.62] [%clk 0:01:34] } 35. Qf6+ { [%eval 5.4] [%clk 0:06:34] } 35... Kg8 { [%eval 5.21] [%clk 0:01:34] } 36. cxd6 { [%eval 5.08] [%clk 0:06:02] } 36... Qg7?! { [%eval 6.56] } { Inaccuracy. Re8 was best. } { [%clk 0:00:56] } 37. Qf4 { [%eval 6.22] [%clk 0:06:02] } 37... Qf8 { [%eval 6.23] [%clk 0:00:42] } 38. d7 { [%eval 5.39] [%clk 0:05:35] } 38... Kh7?? { [%eval #16] } { Checkmate is now unavoidable. Bc2 was best. } { [%clk 0:00:05] } 39. Re8? { [%eval 7.54] } { Lost forced checkmate sequence. Ba3 was best. } { [%clk 0:05:13] } 1-0
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