Event: Round 4: Neumann, Helena - Birkholz, Olga
Date: 2025-05-19
White: Neumann, Helena
WhiteTitle: WFM
WhiteElo: 1964
Black: Birkholz, Olga
BlackTitle: WFM
BlackElo: 1985
Result: 1-0
ECO: B00
Opening: Owen Defense
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... b6 { [%eval 0.68] [%clk 1:30:59] } 2. d4 { [%eval 0.7] [%clk 1:31:21] } 2... Bb7 { [%eval 0.63] [%clk 1:31:28] } 3. Bd3 { [%eval 0.62] [%clk 1:29:32] } 3... Nf6 { [%eval 1.03] [%clk 1:30:58] } 4. Qe2 { [%eval 0.69] [%clk 1:29:18] } 4... g6 { [%eval 0.98] [%clk 1:30:10] } 5. Nf3 { [%eval 0.97] [%clk 1:28:52] } 5... Bg7 { [%eval 1.54] [%clk 1:29:16] } 6. e5 { [%eval 1.44] [%clk 1:28:25] } 6... Nd5 { [%eval 1.41] [%clk 1:29:35] } 7. c4 { [%eval 1.42] [%clk 1:27:44] } 7... Nb4 { [%eval 2.03] [%clk 1:30:04] } 8. Be4 { [%eval 1.95] [%clk 1:28:07] } 8... Bxe4 { [%eval 2.29] [%clk 1:26:41] } 9. Qxe4 { [%eval 2.06] [%clk 1:28:32] } 9... c6 { [%eval 2.15] [%clk 1:26:01] } 10. Bd2?! { [%eval 0.98] } { Inaccuracy. a3 was best. } { [%clk 1:26:37] } 10... a5?! { [%eval 1.85] } { Inaccuracy. d5 was best. } { [%clk 1:25:20] } 11. Bf4 { [%eval 1.47] [%clk 1:20:50] } 11... O-O { [%eval 1.42] [%clk 1:21:34] } 12. a3 { [%eval 1.38] [%clk 1:21:07] } 12... N4a6 { [%eval 1.77] [%clk 1:21:07] } 13. Nc3 { [%eval 1.55] [%clk 1:21:12] } 13... d6 { [%eval 1.77] [%clk 1:19:54] } 14. O-O-O { [%eval 1.56] [%clk 1:18:40] } 14... b5 { [%eval 1.38] [%clk 1:10:42] } 15. cxb5 { [%eval 1.14] [%clk 1:14:38] } 15... d5 { [%eval 1.12] [%clk 1:11:10] } 16. Qe3 { [%eval 0.77] [%clk 1:14:46] } 16... cxb5 { [%eval 0.8] [%clk 1:10:25] } 17. Nxb5 { [%eval 0.93] [%clk 1:14:22] } 17... Qc8+ { [%eval 1.1] [%clk 1:10:42] } 18. Nc3?! { [%eval 0.25] } { Inaccuracy. Kb1 was best. } { [%clk 1:14:25] } 18... Nb4? { [%eval 1.88] } { Mistake. Nd7 was best. } { [%clk 1:10:56] } 19. Kd2 { [%eval 1.75] [%clk 1:12:34] } 19... N4a6?! { [%eval 2.45] } { Inaccuracy. N4c6 was best. } { [%clk 1:08:38] } 20. h4 { [%eval 2.33] [%clk 1:08:54] } 20... Rd8?! { [%eval 3.24] } { Inaccuracy. Nc6 was best. } { [%clk 1:06:17] } 21. h5 { [%eval 3.19] [%clk 1:07:47] } 21... Ra7 { [%eval 3.8] [%clk 0:58:59] } 22. hxg6 { [%eval 3.55] [%clk 1:01:55] } 22... fxg6 { [%eval 3.68] [%clk 0:58:53] } 23. Bh6 { [%eval 3.84] [%clk 0:57:23] } 23... e6 { [%eval 4.77] [%clk 0:57:12] } 24. Ng5 { [%eval 4.52] [%clk 0:55:57] } 24... Bh8 { [%eval 4.96] [%clk 0:44:08] } 25. Nb5 { [%eval 4.99] [%clk 0:47:01] } 25... Rb7 { [%eval 5.03] [%clk 0:43:04] } 26. Rc1 { [%eval 5.05] [%clk 0:46:02] } 26... Qd7 { [%eval 5.05] [%clk 0:43:15] } 27. a4 { [%eval 4.39] [%clk 0:46:14] } 27... Nc6 { [%eval 5.35] [%clk 0:42:57] } 28. Qh3?! { [%eval 3.85] } { Inaccuracy. Nxh7 was best. } { [%clk 0:44:43] } 28... Re8?! { [%eval 4.88] } { Inaccuracy. Nxd4 was best. } { [%clk 0:37:56] } 29. b3?! { [%eval 3.8] } { Inaccuracy. Bg7 was best. } { [%clk 0:41:04] } 29... Re7 { [%eval 4.29] [%clk 0:35:30] } 30. Rc3 { [%eval 4.53] [%clk 0:39:39] } 30... Rb8 { [%eval 5.19] [%clk 0:26:38] } 31. Qh4?! { [%eval 3.79] } { Inaccuracy. Qg4 was best. } { [%clk 0:35:37] } 31... Nab4 { [%eval 4.55] [%clk 0:23:04] } 32. Rf3 { [%eval 4.43] [%clk 0:33:12] } 32... Bg7? { [%eval 8.81] } { Mistake. Nxe5 was best. } { [%clk 0:09:28] } 33. Nxh7 { [%eval 8.72] [%clk 0:27:01] } 33... Bxh6+ { [%eval 8.48] [%clk 0:06:46] } 34. Qxh6 { [%eval 8.51] [%clk 0:27:18] } 34... Rxh7 { [%eval 8.39] [%clk 0:07:12] } 35. Qxg6+ { [%eval 10.66] [%clk 0:27:42] } 35... Rg7?! { [%eval #5] } { Checkmate is now unavoidable. Qg7 was best. } { [%clk 0:07:11] } 36. Qh6 { [%eval #4] [%clk 0:27:23] } 36... Rh7 { [%eval #4] [%clk 0:07:22] } 37. Rg3+ { [%eval #3] [%clk 0:27:35] } 1-0