Event: World Senior Chess Championship 2024
Site: Porto Santo, Portugal
Date: 2024-11-18
White: Markzon, Gregory
WhiteTitle: FM
WhiteElo: 2057
Black: Vatter, Hans-Joachim
BlackTitle: FM
BlackElo: 2212
Result: 1-0
ECO: E21
Opening: Nimzo-Indian Defense: Three Knights Variation
Variant: Standard
TimeControl: 90'/40+30'/G+30''

1. d4 { [%eval 0.17] [%clk 1:30:54] } 1... Nf6 { [%eval 0.17] [%clk 1:30:42] } 2. c4 { [%eval 0.16] [%clk 1:31:17] } 2... e6 { [%eval 0.11] [%clk 1:31:02] } 3. Nc3 { [%eval 0.17] [%clk 1:31:32] } 3... Bb4 { [%eval 0.17] [%clk 1:31:02] } 4. Nf3 { [%eval 0.04] [%clk 1:31:52] } 4... O-O { [%eval 0.16] [%clk 1:31:20] } 5. Bg5 { [%eval 0.0] [%clk 1:31:41] } 5... h6 { [%eval 0.12] [%clk 1:29:19] } 6. Bh4 { [%eval 0.0] [%clk 1:32:05] } 6... c5 { [%eval 0.12] [%clk 1:28:05] } 7. e3 { [%eval 0.0] [%clk 1:28:01] } 7... Bxc3+ { [%eval 0.42] [%clk 1:14:38] } 8. bxc3 { [%eval 0.6] [%clk 1:28:23] } 8... d6 { [%eval 0.62] [%clk 1:15:02] } 9. Be2 { [%eval 0.48] [%clk 1:21:32] } 9... Qe7 { [%eval 0.58] [%clk 1:09:40] } 10. O-O { [%eval 0.43] [%clk 1:18:25] } 10... e5 { [%eval 0.57] [%clk 1:06:17] } 11. Nd2 { [%eval 0.55] [%clk 1:16:25] } 11... g5 { [%eval 0.93] [%clk 1:03:43] } 12. Bg3 { [%eval 0.88] [%clk 1:16:44] } 12... Re8 { [%eval 0.8] [%clk 1:03:46] } 13. dxe5 { [%eval 0.51] [%clk 1:11:15] } 13... dxe5 { [%eval 0.44] [%clk 1:03:21] } 14. e4 { [%eval 0.03] [%clk 1:11:23] } 14... Nc6 { [%eval 0.2] [%clk 1:01:07] } 15. Qc2 { [%eval 0.33] [%clk 1:04:58] } 15... Kg7 { [%eval 0.49] [%clk 0:55:41] } 16. Rfd1 { [%eval 0.3] [%clk 1:03:15] } 16... h5 { [%eval 0.42] [%clk 0:22:46] } 17. f3?! { [%eval -0.19] } { Inaccuracy. h4 was best. } { [%clk 1:00:20] } 17... h4 { [%eval -0.07] [%clk 0:22:20] } 18. Bf2 { [%eval -0.07] [%clk 1:00:24] } 18... Nh5 { [%eval -0.14] [%clk 0:22:35] } 19. Nf1 { [%eval -0.18] [%clk 0:58:29] } 19... Nf4 { [%eval -0.09] [%clk 0:22:15] } 20. Ne3 { [%eval -0.22] [%clk 0:56:54] } 20... Rh8 { [%eval -0.13] [%clk 0:19:16] } 21. Nd5 { [%eval -0.15] [%clk 0:50:46] } 21... Qf8 { [%eval -0.21] [%clk 0:19:45] } 22. Bf1 { [%eval -0.24] [%clk 0:48:08] } 22... Be6 { [%eval -0.16] [%clk 0:19:35] } 23. Nc7 { [%eval -0.18] [%clk 0:38:48] } 23... Rc8 { [%eval -0.21] [%clk 0:18:31] } 24. Nxe6+ { [%eval -0.26] [%clk 0:38:26] } 24... Nxe6 { [%eval -0.26] [%clk 0:18:02] } 25. Rd7 { [%eval -0.29] [%clk 0:31:05] } 25... Rc7 { [%eval -0.23] [%clk 0:18:26] } 26. Rad1?! { [%eval -1.09] } { Inaccuracy. Rxc7 was best. } { [%clk 0:29:38] } 26... Qc8?! { [%eval -0.24] } { Inaccuracy. Ned4 was best. } { [%clk 0:17:42] } 27. R7d6 { [%eval -0.17] [%clk 0:27:14] } 27... Rd8 { [%eval 0.02] [%clk 0:13:50] } 28. g3 { [%eval 0.0] [%clk 0:24:05] } 28... hxg3 { [%eval 0.0] [%clk 0:12:12] } 29. hxg3 { [%eval -0.06] [%clk 0:23:21] } 29... Rcd7?! { [%eval 0.84] } { Inaccuracy. Rh8 was best. } { [%clk 0:11:41] } 30. Rxd7 { [%eval 0.41] [%clk 0:20:30] } 30... Rxd7 { [%eval 0.4] [%clk 0:12:10] } 31. Rd5 { [%eval 0.5] [%clk 0:20:00] } 31... b6 { [%eval 0.6] [%clk 0:08:23] } 32. Bh3 { [%eval 0.66] [%clk 0:18:51] } 32... Re7 { [%eval 0.71] [%clk 0:06:48] } 33. Qd2 { [%eval 0.25] [%clk 0:16:49] } 33... Kf6? { [%eval 1.67] } { Mistake. Qh8 was best. } { [%clk 0:03:54] } 34. Be3 { [%eval 1.86] [%clk 0:13:02] } 34... Qg8 { [%eval 1.89] [%clk 0:03:40] } 35. Rd6?! { [%eval 1.27] } { Inaccuracy. Bf5 was best. } { [%clk 0:11:32] } 35... Re8?? { [%eval 5.93] } { Blunder. Na5 was best. } { [%clk 0:02:39] } 36. Rxc6 { [%eval 5.74] [%clk 0:10:58] } 1-0