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Haertner, Helmut, Dr. vs Cosan, Gokmen

2026.08.25 · game 1
White to move
PGN
[Event "Round 8: Haertner, Helmut, Dr. - Cosan, Gokmen"]
[Site "https://lichess.org/broadcast/23-rheinland-pfalz-senioren-open/round-8/pcNyZnMm/LnvFqqsN"]
[Date "2026.08.25"]
[Round "8.23"]
[White "Haertner, Helmut, Dr."]
[Black "Cosan, Gokmen"]
[Result "0-1"]
[WhiteElo "1917"]
[WhiteFideId "12913316"]
[BlackElo "1847"]
[BlackFideId "6333400"]
[Variant "Standard"]
[ECO "D02"]
[Opening "Queen's Pawn Game: Zukertort Variation"]
[UTCDate "2026.08.25"]
[UTCTime "07:15:12"]
[BroadcastName "23. Rheinland-Pfalz Senioren Open"]
[BroadcastURL "https://lichess.org/broadcast/23-rheinland-pfalz-senioren-open/round-8/pcNyZnMm"]
[GameURL "https://lichess.org/broadcast/23-rheinland-pfalz-senioren-open/round-8/pcNyZnMm/LnvFqqsN"]

1. d4 { [%eval 0.15] [%clk 1:30:57] } 1... d5 { [%eval 0.27] [%clk 1:30:54] } 2. Nf3 { [%eval 0.08] [%clk 1:31:19] } 2... e6 { [%eval 0.19] [%clk 1:30:58] } 3. c4 { [%eval 0.11] [%clk 1:31:41] } 3... c6 { [%eval 0.28] [%clk 1:31:21] } 4. e3 { [%eval 0.25] [%clk 1:31:39] } 4... Bd6 { [%eval 0.35] [%clk 1:31:17] } 5. Nc3 { [%eval 0.25] [%clk 1:32:00] } 5... f5 { [%eval 0.4] [%clk 1:31:31] } 6. Qc2 { [%eval 0.3] [%clk 1:30:37] } 6... Nf6 { [%eval 0.34] [%clk 1:31:50] } 7. b3 { [%eval 0.31] [%clk 1:27:29] } 7... O-O { [%eval 0.33] [%clk 1:30:43] } 8. Bb2 { [%eval 0.22] [%clk 1:27:46] } 8... Ne4 { [%eval 0.32] [%clk 1:31:01] } 9. c5 { [%eval -0.12] [%clk 1:28:01] } 9... Bc7 { [%eval -0.16] [%clk 1:31:14] } 10. h4 { [%eval -0.69] [%clk 1:27:34] } 10... Nd7 { [%eval -0.93] [%clk 1:31:22] } 11. a3 { [%eval -1.03] [%clk 1:23:09] } 11... Ndf6 { [%eval -1.08] [%clk 1:31:28] } 12. Ng5?? { [%eval -3.94] } { Blunder. Ne5 was best. } { [%clk 1:22:37] } 12... Ng4 { [%eval -4.15] [%clk 1:30:18] } 13. Nd1 { [%eval -3.87] [%clk 1:22:25] } 13... h6 { [%eval -3.88] [%clk 1:29:52] } 14. Nf3 { [%eval -3.75] [%clk 1:22:29] } 14... f4?! { [%eval -2.83] } { Inaccuracy. Ngxf2 was best. } { [%clk 1:28:31] } 15. Bd3 { [%eval -3.18] [%clk 1:21:52] } 15... fxe3 { [%eval -2.81] [%clk 1:28:24] } 16. Bxe4 { [%eval -2.73] [%clk 1:22:10] } 16... exf2+ { [%eval -2.62] [%clk 1:28:19] } 17. Kd2?? { [%eval -7.43] } { Blunder. Nxf2 was best. } { [%clk 1:20:50] } 17... dxe4 { [%eval -7.09] [%clk 1:27:10] } 18. Qxe4 { [%eval -7.59] [%clk 1:21:02] } 18... Rf4 { [%eval -6.64] [%clk 1:26:49] } 19. Qe2 { [%eval -6.59] [%clk 1:18:58] } 19... Qd5 { [%eval -6.45] [%clk 1:26:07] } 20. Qc4 { [%eval -6.34] [%clk 1:15:05] } 20... Qf5 { [%eval -5.64] [%clk 1:24:39] } 21. Qe2?! { [%eval -7.63] } { Inaccuracy. Ne3 was best. } { [%clk 1:14:37] } 21... Re4 { [%eval -7.57] [%clk 1:24:29] } 22. Qf1 { [%eval -9.5] [%clk 1:14:20] } 22... Bf4+ { [%eval -7.96] [%clk 1:24:45] } 23. Kc3 { [%eval -9.13] [%clk 1:14:09] } 23... Bg3 { [%eval -7.95] [%clk 1:21:23] } 24. Qd3 { [%eval -7.83] [%clk 1:11:46] } 24... Re1 { [%eval -6.43] [%clk 1:13:54] } 25. Qxf5 { [%eval -6.35] [%clk 1:08:55] } 25... exf5 { [%eval -6.43] [%clk 1:14:17] } 26. Nxf2 { [%eval -6.3] [%clk 1:08:57] } 26... Rxa1 { [%eval -6.45] [%clk 1:13:57] } 27. Rxa1 { [%eval -6.26] [%clk 1:08:49] } 27... Nxf2 { [%eval -6.19] [%clk 1:14:11] } 0-1
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