Event: 35. Staufer Open 2025
Site: Schwaebisch Gmuend, Germany
Date: 2025-01-03
White: Mester, Philipp
WhiteElo: 2174
Black: Langheinrich, Ferenc
BlackTitle: IM
BlackElo: 2338
Result: 1/2-1/2
ECO: A54
Opening: Old Indian Defense: Ukrainian Variation
Variant: Standard
TimeControl: 100 Min / 40 moves + 20 Min. Rest + 30 sec per move

1. d4 { [%eval 0.17] [%clk 1:40:57] } 1... Nf6 { [%eval 0.19] [%clk 1:40:52] } 2. c4 { [%eval 0.18] [%clk 1:41:21] } 2... d6 { [%eval 0.47] [%clk 1:40:41] } 3. Nc3 { [%eval 0.4] [%clk 1:41:39] } 3... e5 { [%eval 0.52] [%clk 1:40:33] } 4. d5 { [%eval 0.37] [%clk 1:39:18] } 4... e4 { [%eval 0.43] [%clk 1:39:32] } 5. b3?! { [%eval -0.17] } { Inaccuracy. g3 was best. } { [%clk 1:18:21] } 5... Bf5?! { [%eval 0.43] } { Inaccuracy. g6 was best. } { [%clk 1:34:01] } 6. Bb2 { [%eval 0.14] [%clk 1:12:03] } 6... Nbd7 { [%eval 0.12] [%clk 1:30:44] } 7. e3 { [%eval -0.37] [%clk 1:09:12] } 7... a5?! { [%eval 0.36] } { Inaccuracy. Ne5 was best. } { [%clk 1:24:10] } 8. Nge2 { [%eval 0.28] [%clk 1:03:46] } 8... Nc5 { [%eval 0.4] [%clk 1:20:31] } 9. Nd4 { [%eval 0.39] [%clk 1:03:10] } 9... Bg6 { [%eval 0.42] [%clk 1:20:42] } 10. a3 { [%eval 0.33] [%clk 1:00:29] } 10... h5 { [%eval 0.72] [%clk 1:12:34] } 11. b4 { [%eval 0.81] [%clk 0:54:52] } 11... Ncd7 { [%eval 0.73] [%clk 1:07:59] } 12. Be2 { [%eval 0.66] [%clk 0:41:43] } 12... h4 { [%eval 0.82] [%clk 1:07:46] } 13. f4 { [%eval 0.79] [%clk 0:40:42] } 13... exf3 { [%eval 0.77] [%clk 1:02:38] } 14. gxf3 { [%eval 0.73] [%clk 0:40:09] } 14... h3 { [%eval 1.07] [%clk 1:03:02] } 15. O-O?! { [%eval 0.0] } { Inaccuracy. Rg1 was best. } { [%clk 0:29:02] } 15... Nxd5 { [%eval 0.0] [%clk 0:59:19] } 16. Nxd5 { [%eval 0.0] [%clk 0:29:11] } 16... Qg5+ { [%eval 0.0] [%clk 0:59:44] } 17. Kf2 { [%eval 0.0] [%clk 0:29:34] } 17... Qh4+ { [%eval 0.0] [%clk 0:59:41] } 1/2-1/2