Event: Round 4: Koops, Randolf - Hartmann, Wolfgang, Dr.
Site: https://lichess.org/broadcast/fide-world-senior-championship-2025--open-50/round-4/falyFzrg/GSkataXM
Date: 2025-10-24
White: Koops, Randolf
WhiteElo: 2057
Black: Hartmann, Wolfgang, Dr.
BlackElo: 1930
Result: 1/2-1/2
ECO: D00
Opening: Queen's Pawn Game
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:30] } 1... d5 { [%eval 0.18] [%clk 1:30:31] } 2. e3 { [%eval 0.03] [%clk 1:30:36] } 2... Nf6 { [%eval 0.1] [%clk 1:30:28] } 3. f4?! { [%eval -0.56] } { Inaccuracy. Nf3 was best. } { [%clk 1:28:58] } 3... Bg4 { [%eval -0.31] [%clk 1:27:41] } 4. Be2 { [%eval -0.31] [%clk 1:28:27] } 4... Bxe2 { [%eval -0.33] [%clk 1:27:54] } 5. Qxe2 { [%eval -0.37] [%clk 1:28:45] } 5... e6 { [%eval 0.0] [%clk 1:28:09] } 6. Nf3 { [%eval -0.47] [%clk 1:28:44] } 6... c6 { [%eval -0.21] [%clk 1:24:21] } 7. O-O { [%eval -0.22] [%clk 1:28:23] } 7... Be7 { [%eval -0.15] [%clk 1:23:42] } 8. Nbd2 { [%eval -0.12] [%clk 1:28:28] } 8... Nbd7 { [%eval -0.08] [%clk 1:23:15] } 9. Ne5 { [%eval -0.27] [%clk 1:28:45] } 9... Ne4 { [%eval 0.23] [%clk 1:06:05] } 10. Nxe4 { [%eval 0.19] [%clk 1:21:05] } 10... dxe4 { [%eval 0.16] [%clk 1:06:27] } 11. b3 { [%eval 0.18] [%clk 1:20:45] } 11... O-O { [%eval 0.17] [%clk 0:53:58] } 12. Bb2 { [%eval 0.19] [%clk 1:19:38] } 12... f6 { [%eval 0.19] [%clk 0:46:11] } 13. Nc4 { [%eval -0.22] [%clk 1:15:48] } 13... b5 { [%eval -0.25] [%clk 0:43:51] } 14. Nd2 { [%eval -0.32] [%clk 1:16:00] } 14... f5 { [%eval -0.3] [%clk 0:44:03] } 15. c4 { [%eval -0.31] [%clk 1:12:12] } 15... a6 { [%eval 0.11] [%clk 0:40:57] } 16. h3 { [%eval -0.14] [%clk 1:05:12] } 16... Nf6 { [%eval 0.1] [%clk 0:36:09] } 17. Kh2 { [%eval -0.34] [%clk 1:04:09] } 17... Qd7 { [%eval -0.16] [%clk 0:33:50] } 18. g4 { [%eval -0.09] [%clk 0:58:36] } 18... g6 { [%eval -0.1] [%clk 0:30:23] } 19. g5 { [%eval -0.15] [%clk 0:56:08] } 19... Nh5 { [%eval -0.12] [%clk 0:29:07] } 20. Rg1 { [%eval -0.52] [%clk 0:53:28] } 20... a5 { [%eval -0.38] [%clk 0:18:44] } 21. Nf1 { [%eval -0.3] [%clk 0:50:37] } 21... a4 { [%eval -0.41] [%clk 0:17:36] } 22. Ng3 { [%eval -0.46] [%clk 0:50:55] } 22... Nxg3 { [%eval -0.68] [%clk 0:17:09] } 23. Rxg3 { [%eval -0.89] [%clk 0:51:22] } 23... axb3?! { [%eval -0.24] } { Inaccuracy. a3 was best. } { [%clk 0:13:57] } 24. axb3 { [%eval -0.19] [%clk 0:51:33] } 24... Rxa1 { [%eval -0.22] [%clk 0:14:21] } 25. Bxa1 { [%eval -0.29] [%clk 0:51:50] } 25... Ra8 { [%eval -0.33] [%clk 0:14:41] } 26. Qb2?! { [%eval -1.36] } { Inaccuracy. Bc3 was best. } { [%clk 0:51:47] } 26... Qa7 { [%eval -1.01] [%clk 0:13:09] } 27. Rg1 { [%eval -1.01] [%clk 0:52:04] } 27... Qa2 { [%eval -0.89] [%clk 0:13:25] } 28. c5? { [%eval -2.51] } { Mistake. Kh1 was best. } { [%clk 0:41:02] } 28... Qxb2+?! { [%eval -1.3] } { Inaccuracy. Ra3 was best. } { [%clk 0:11:09] } 29. Bxb2 { [%eval -1.34] [%clk 0:41:22] } 1/2-1/2