[Event "Biebrich Open Schlosspark 2026"] [Site "?"] [Date "2026.09.14"] [Round "?"] [White "Martin Haag"] [Black "Clemens Gieringer"] [Result "0-1"] [GameId "tX56TaTk"] [WhiteElo "2229"] [BlackElo "1915"] [Variant "Standard"] [TimeControl "-"] [Termination "Unknown"] [Annotator "lichess.org"] 1. c4 c6 2. Nf3 Nf6 3. g3 d5 4. Bg2 e6 5. O-O Bd6 6. d4 O-O 7. Nc3 Nbd7 8. Nd2 Re8 9. e4 e5 10. dxe5 Nxe5 11. cxd5 cxd5 12. exd5 Bg4 13. Qb3 a5 14. a4 Bb4 15. f3 Bf5 16. Nde4 Qb6+ 17. Kh1 Nd3 18. h3? { (0.00 → -1.32) Mistake. Bg5 was best. } (18. Bg5 Nxe4 19. fxe4 Bd7 20. Qc2 Ne5 21. Bf4 Rac8 22. Qe2 h6 23. Nb5 Bg4) 18... Nh5 19. Kh2? { (-1.37 → -3.13) Mistake. Ne2 was best. } (19. Ne2 Nc5 20. Qe3 Qa6 21. g4 Bxe4 22. fxe4 Qxe2 23. gxh5 Nxe4 24. Qf3 Qxf3) 19... Qg6 20. Ne2?? { (-2.87 → -6.11) Blunder. Bg5 was best. } (20. Bg5 Nc5 21. Nxc5 Nxg3 22. N5e4 Nxf1+ 23. Rxf1 Bxc3 24. bxc3 Bxe4 25. fxe4 Qxg5) 20... Nc5 21. Qc2 Rac8 22. Qd1 Nxe4 { Black wins. } 0-1