Event: Round 4: Olson, Hamish - Llaneza Vega, Marcos
Date: 2024-03-27
White: Olson, Hamish
WhiteTitle: FM
WhiteElo: 2359
Black: Llaneza Vega, Marcos
BlackTitle: IM
BlackElo: 2366
Result: 1-0
ECO: A43
Opening: Indian Defense: Pseudo-Benko
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:53] } 1... Nf6 { [%eval 0.16] [%clk 1:30:44] } 2. Nf3 { [%eval 0.12] [%clk 1:31:16] } 2... c5 { [%eval 0.28] [%clk 1:30:18] } 3. d5 { [%eval 0.53] [%clk 1:30:28] } 3... b5 { [%eval 0.44] [%clk 1:29:57] } 4. c3 { [%eval 0.2] [%clk 1:30:44] } 4... Bb7 { [%eval 0.43] [%clk 1:29:48] } 5. e4 { [%eval 0.66] [%clk 1:30:57] } 5... Qb6 { [%eval 0.64] [%clk 1:28:03] } 6. a4 { [%eval 0.38] [%clk 1:20:01] } 6... Nxe4 { [%eval 0.49] [%clk 1:23:18] } 7. Bxb5 { [%eval 0.21] [%clk 1:16:50] } 7... Qd6 { [%eval 0.21] [%clk 1:22:28] } 8. O-O { [%eval 0.08] [%clk 1:11:07] } 8... Qxd5 { [%eval 0.14] [%clk 1:22:07] } 9. Qe2 { [%eval -0.17] [%clk 1:10:00] } 9... Nd6?! { [%eval 0.38] } { Inaccuracy. Nf6 was best. } { [%clk 1:01:27] } 10. Rd1 { [%eval 0.39] [%clk 1:06:17] } 10... Qe4?! { [%eval 1.05] } { Inaccuracy. Qe6 was best. } { [%clk 0:59:49] } 11. Be3 { [%eval 0.91] [%clk 1:05:34] } 11... Nxb5?! { [%eval 1.6] } { Inaccuracy. e6 was best. } { [%clk 0:59:53] } 12. axb5 { [%eval 1.44] [%clk 1:04:36] } 12... e6 { [%eval 1.43] [%clk 0:59:35] } 13. Nbd2 { [%eval 1.77] [%clk 1:03:46] } 13... Qc2 { [%eval 1.92] [%clk 0:59:09] } 14. b4 { [%eval 1.89] [%clk 0:52:19] } 14... cxb4 { [%eval 2.22] [%clk 0:50:06] } 15. Qc4 { [%eval 2.08] [%clk 0:49:54] } 15... Qxc3 { [%eval 2.35] [%clk 0:30:32] } 16. Qf4 { [%eval 2.21] [%clk 0:49:17] } 16... d6?! { [%eval 3.13] } { Inaccuracy. Qf6 was best. } { [%clk 0:18:06] } 17. Rac1 { [%eval 3.05] [%clk 0:47:26] } 17... Qf6 { [%eval 2.92] [%clk 0:16:20] } 18. Qxb4 { [%eval 2.68] [%clk 0:46:54] } 18... d5 { [%eval 3.31] [%clk 0:15:33] } 19. Qa5 { [%eval 3.3] [%clk 0:46:35] } 19... Qd8 { [%eval 3.1] [%clk 0:07:12] } 20. Qc7?! { [%eval 2.37] } { Inaccuracy. Qxd8+ was best. } { [%clk 0:44:33] } 20... Qd7 { [%eval 2.95] [%clk 0:06:08] } 21. Qg3 { [%eval 2.96] [%clk 0:35:23] } 21... Qxb5 { [%eval 2.91] [%clk 0:05:18] } 22. Nd4 { [%eval 2.85] [%clk 0:34:38] } 22... Qa4 { [%eval 2.76] [%clk 0:05:07] } 23. Ne4?! { [%eval 1.73] } { Inaccuracy. N2f3 was best. } { [%clk 0:22:46] } 23... dxe4?! { [%eval 2.5] } { Inaccuracy. Na6 was best. } { [%clk 0:04:41] } 24. Qc7 { [%eval 2.41] [%clk 0:18:46] } 24... Bd5?? { [%eval 5.79] } { Blunder. Na6 was best. } { [%clk 0:04:11] } 25. Qc8+ { [%eval 5.67] [%clk 0:16:24] } 25... Ke7 { [%eval 5.95] [%clk 0:04:36] } 26. Nf5+ { [%eval 5.49] [%clk 0:15:32] } 26... Kf6?! { [%eval 7.89] } { Inaccuracy. exf5 was best. } { [%clk 0:03:00] } 27. Qd8+ { [%eval 7.67] [%clk 0:14:58] } 27... Ke5 { [%eval 7.61] [%clk 0:03:24] } 28. Nd6 { [%eval 6.92] [%clk 0:12:34] } 28... f6?? { [%eval #6] } { Checkmate is now unavoidable. h6 was best. } { [%clk 0:02:40] } 29. Nf7+ { [%eval #5] [%clk 0:11:36] } 29... Kf5 { [%eval #5] [%clk 0:03:06] } 30. Rxd5+ { [%eval #4] [%clk 0:11:36] } 1-0