Event: Round 2: Pikus, Matthew - Nakamura, Hikaru
Site: https://lichess.org/broadcast/70th-iowa-open-championship/round-2/g4kI52tZ/0g1Acvh7
Date: 2025-09-07
White: Pikus, Matthew
WhiteElo: 1919
Black: Nakamura, Hikaru
BlackTitle: GM
BlackElo: 2807
Result: 0-1
ECO: D01
Opening: Rapport-Jobava System
Variant: Standard
TimeControl: 90+30

1. d4 { [%eval 0.17] [%clk 1:26:56] } 1... Nf6 { [%eval 0.19] [%clk 1:30:45] } 2. Nc3 { [%eval -0.02] [%clk 1:27:22] } 2... d5 { [%eval 0.0] [%clk 1:31:11] } 3. Bf4 { [%eval -0.1] [%clk 1:27:48] } 3... g6 { [%eval 0.0] [%clk 1:31:34] } 4. e3 { [%eval 0.0] [%clk 1:28:15] } 4... c6 { [%eval 0.18] [%clk 1:31:58] } 5. h4 { [%eval 0.0] [%clk 1:28:11] } 5... h5 { [%eval 0.09] [%clk 1:32:22] } 6. Nf3 { [%eval 0.0] [%clk 1:28:26] } 6... Bg7 { [%eval 0.09] [%clk 1:32:50] } 7. Be2 { [%eval 0.0] [%clk 1:22:40] } 7... a5 { [%eval 0.03] [%clk 1:32:29] } 8. Ne5 { [%eval 0.02] [%clk 1:22:28] } 8... Nbd7 { [%eval 0.01] [%clk 1:32:14] } 9. f3 { [%eval 0.05] [%clk 1:20:22] } 9... Nxe5 { [%eval 0.06] [%clk 1:32:27] } 10. Bxe5 { [%eval 0.1] [%clk 1:20:28] } 10... b5 { [%eval 0.11] [%clk 1:32:55] } 11. a4 { [%eval -0.26] [%clk 1:14:00] } 11... b4 { [%eval -0.39] [%clk 1:32:52] } 12. Nb1?! { [%eval -0.97] } { Inaccuracy. Na2 was best. } { [%clk 1:14:17] } 12... Bh6 { [%eval -0.86] [%clk 1:31:25] } 13. Kf2 { [%eval -1.14] [%clk 1:12:46] } 13... O-O { [%eval -1.1] [%clk 1:28:37] } 14. Nd2 { [%eval -1.13] [%clk 1:03:31] } 14... Nd7 { [%eval -1.37] [%clk 1:28:37] } 15. Bg3 { [%eval -1.36] [%clk 1:00:41] } 15... e5 { [%eval -1.51] [%clk 1:20:13] } 16. Re1 { [%eval -2.07] [%clk 0:56:26] } 16... Bg7?! { [%eval -1.32] } { Inaccuracy. f5 was best. } { [%clk 1:07:51] } 17. Nb3 { [%eval -1.5] [%clk 0:55:16] } 17... Bf6 { [%eval -1.58] [%clk 1:07:42] } 18. Rh1 { [%eval -1.59] [%clk 0:53:56] } 18... Re8 { [%eval -1.54] [%clk 1:07:33] } 19. Qd2 { [%eval -1.52] [%clk 0:49:01] } 19... Qe7 { [%eval -1.25] [%clk 1:06:28] } 20. Rad1 { [%eval -1.32] [%clk 0:47:36] } 20... Bb7 { [%eval -1.25] [%clk 1:06:29] } 21. c3 { [%eval -1.78] [%clk 0:46:56] } 21... bxc3 { [%eval -1.7] [%clk 1:06:18] } 22. bxc3 { [%eval -1.64] [%clk 0:47:20] } 22... Ba6 { [%eval -1.54] [%clk 1:06:50] } 23. Bxa6 { [%eval -1.64] [%clk 0:47:02] } 23... Rxa6 { [%eval -1.68] [%clk 1:07:18] } 24. Qd3?! { [%eval -2.72] } { Inaccuracy. Rb1 was best. } { [%clk 0:44:05] } 24... Rb6 { [%eval -2.8] [%clk 1:05:58] } 25. Rb1?! { [%eval -3.93] } { Inaccuracy. Nc1 was best. } { [%clk 0:43:32] } 25... Qa3 { [%eval -4.03] [%clk 1:04:07] } 26. Nd2 { [%eval -3.96] [%clk 0:35:40] } 26... Reb8?! { [%eval -2.63] } { Inaccuracy. exd4 was best. } { [%clk 1:03:50] } 27. Ra1 { [%eval -2.33] [%clk 0:35:02] } 27... Qe7 { [%eval -2.37] [%clk 1:03:32] } 28. Ra2?! { [%eval -3.17] } { Inaccuracy. Rab1 was best. } { [%clk 0:32:31] } 28... Rb2 { [%eval -3.18] [%clk 1:03:06] } 29. Rxb2 { [%eval -3.22] [%clk 0:30:47] } 29... Rxb2 { [%eval -3.2] [%clk 1:03:26] } 30. Rb1 { [%eval -3.05] [%clk 0:28:21] } 30... Ra2 { [%eval -3.26] [%clk 1:03:15] } 31. dxe5?! { [%eval -4.93] } { Inaccuracy. Bh2 was best. } { [%clk 0:25:23] } 31... Nxe5 { [%eval -4.77] [%clk 1:03:27] } 32. Bxe5 { [%eval -4.62] [%clk 0:25:37] } 32... Qxe5 { [%eval -4.47] [%clk 1:03:49] } 0-1