[Event "Columbia SC Senior Open, Nov 2025 Roger"] [Date "2025.11.12"] [Result "*"] [Variant "Standard"] [ECO "D00"] [Opening "Queen's Pawn Game: Accelerated London System"] [StudyName "Zwischenzug | Game of the Week"] [ChapterName "Columbia SC Senior Open, Nov 2025"] [ChapterURL "https://lichess.org/study/gL3s57BD/IO9i130J"] [Annotator "https://lichess.org/@/CheckRaiseMate"] [Orientation "black"] 1. d4 { [%eval 0.17] } 1... d5 { [%eval 0.18] } 2. Bf4 { [%eval 0.0] } 2... e6 { [%eval 0.1] } 3. e3 { [%eval 0.1] } 3... Nf6 { [%eval 0.1] } 4. Bd3 { [%eval 0.0] } 4... Bd6 { [%eval 0.07] } 5. Bg3 { [%eval 0.03] } 5... O-O { [%eval 0.0] } 6. Nd2 { [%eval 0.0] } 6... c5 { [%eval 0.0] } 7. c3 { [%eval 0.0] [%cal Gd8c7,Gb8d7,Ge6e5] } 7... Nc6 { [%eval 0.14] } (7... Qc7 8. Ngf3 Nbd7 9. O-O Bxg3 10. hxg3 e5) (7... Nbd7 8. Bxd6) 8. f4 { [%eval -0.34] } (8. Ngf3 Qc7 9. dxc5 { [%cal Gg3c7] } 9... Bxg3 10. hxg3 { [%csl Gc5] }) 8... cxd4 { [%eval -0.29] } 9. exd4 { [%eval -0.42] } 9... Ne8 { [%eval -0.15] } (9... Ne7 { [%cal Ge7f5,Gd8b6] }) 10. Qc2 { [%eval -0.41] } 10... f5 { [%eval -0.34] } 11. Ngf3 { [%eval -0.35] } 11... Qc7 { [%eval -0.2] } 12. Ne5 { [%eval -0.21] } 12... Nxe5? { [%eval 1.37] } { Mistake. Nf6 was best. } (12... Nf6 { [%csl Ge5,Ge4][%cal Gf6e4] }) 13. fxe5 { [%eval 1.27] } 13... Be7 { [%eval 1.24] } 14. h4? { [%eval -0.07] } { Mistake. Bf4 was best. } (14. Bf4) 14... Nf6! { [%eval -0.13] [%csl Rg3][%cal Gc7g3] } 15. Bf4 { [%eval -0.15] } (15. exf6 Qxg3+) 15... Ng4 { [%eval 0.26] } 16. Nf3 { [%eval 0.35] } 16... Bd7 { [%eval 0.31] } 17. h5 { [%eval 0.16] } 17... Rf7 { [%eval 0.65] } (17... h6) 18. O-O-O?! { [%eval -0.31] } { Inaccuracy. h6 was best. } { [%cal Gb7b4] } (18. h6 gxh6) 18... Kf8? { [%eval 1.1] } { Mistake. Qa5 was best. } { [%cal Gf8e8] } (18... b5 { [%cal Gb5b4,Ga8c8,Gc8c3] }) (18... Qa5 19. Kb1 Ba4 20. b3 Bb5 21. c4 Rc8 22. h6 g6 23. a4 Bxa4 24. bxa4) 19. Rdf1 { [%eval 0.63] } 19... Ke8?! { [%eval 1.4] } { Inaccuracy. Qa5 was best. } (19... Qa5) 20. Qd2 { [%eval 0.86] } 20... a5?! { [%eval 1.48] } { Inaccuracy. Qa5 was best. } (20... Qa5 21. Kb1 Bb5 22. Bg5 Bf8 23. Bh4 h6 24. Nh2 Nxh2 25. Rxh2 Qa6 26. Bxb5+) 21. Nh2 { [%eval 1.54] } 21... Nxh2 { [%eval 1.43] } 22. Rxh2 { [%eval 1.46] } 22... h6?! { [%eval 2.59] } { Inaccuracy. Qb6 was best. } (22... Qb6 23. Bc2) 23. g4 { [%eval 2.2] } 23... Kd8?! { [%eval 3.48] } { Inaccuracy. a4 was best. } (23... a4 24. a3 fxg4 25. Bg6 Bb5 26. Rg1 Kd7 27. Bxf7 Rf8 28. Bxe6+ Kxe6 29. Rf2) 24. g5?? { [%eval 0.97] } { Blunder. gxf5 was best. } (24. gxf5 Qb6 25. f6 gxf6 26. Bxh6 f5 27. Rg1 Kc7 28. Rg7 Rxg7 29. Bxg7 a4) 24... Bf8?? { [%eval 3.67] } { Blunder. hxg5 was best. } (24... hxg5 25. Bxg5) 25. gxh6 { [%eval 3.57] } 25... gxh6 { [%eval 3.69] } 26. Bxh6 { [%eval 3.43] [%cal Gh5h8] } 26... Bc6 { [%eval 3.75] } 27. Rg1 { [%eval 4.1] [%cal Gh5h8] } 27... Qe7?! { [%eval 6.23] } { Inaccuracy. Kd7 was best. } (27... Kd7 28. Rhg2 Re8 29. Bxf8 Rexf8 30. h6 Qd8 31. Qf4 Kc7 32. Rg7 Qe8 33. h7) 28. Bg5 { [%eval 5.92] } *