[Event "Mark - Kees: Chapter 1"] [Date "2024.11.22"] [Result "*"] [Variant "Standard"] [ECO "B41"] [Opening "Sicilian Defense: Kan Variation"] [StudyName "Mark - Kees"] [ChapterName "Chapter 1"] [ChapterURL "https://lichess.org/study/isdROh6t/kz0EGzPB"] [Annotator "https://lichess.org/@/KlaasJan01"] [UTCDate "2024.11.22"] [UTCTime "23:25:00"] [Orientation "white"] 1. e4 { [%eval 0.18] } 1... c5 { [%eval 0.25] } 2. Nf3 { [%eval 0.21] } 2... e6 { [%eval 0.28] } 3. d4 { [%eval 0.4] } 3... cxd4 { [%eval 0.29] } 4. Nxd4 { [%eval 0.23] } 4... a6 { [%eval 0.42] } 5. Be2 { [%eval 0.28] } 5... Qc7 { [%eval 0.58] } 6. Be3 { [%eval 0.09] } 6... Nf6 { [%eval 0.11] } 7. Nd2 { [%eval -0.21] } 7... d5 { [%eval -0.18] } 8. Bf3 { [%eval -0.36] } 8... dxe4 { [%eval -0.05] } 9. Nxe4 { [%eval -0.05] } 9... Be7 { [%eval 0.05] } 10. O-O { [%eval 0.04] } 10... Nbd7 { [%eval -0.03] } 11. Nxf6+ { [%eval -0.04] } 11... Nxf6 { [%eval -0.02] } 12. Qe2? { [%eval -1.39] } { Mistake. Qd3 was best. } (12. Qd3 h5) 12... e5 { [%eval -1.41] } 13. Nb3? { [%eval -2.98] } { Mistake. Rfe1 was best. } (13. Rfe1 Kf8) 13... e4 { [%eval -2.92] } 14. Bh5?! { [%eval -3.91] } { Inaccuracy. Bxe4 was best. } (14. Bxe4 Nxe4 15. Bd4 Nd6 16. Rfe1 Be6 17. Nc5 O-O 18. Rad1 Qc8 19. Nxe6 fxe6) 14... Qe5 { [%eval -3.76] } 15. g4 { [%eval -3.72] } 15... Nxh5 { [%eval -3.04] } 16. gxh5 { [%eval -2.67] } 16... Bh3 { [%eval -2.74] } 17. Rfe1?! { [%eval -4.2] } { Inaccuracy. Rfd1 was best. } (17. Rfd1 Bd6 18. Rxd6 Qxd6 19. Kh1 O-O-O 20. Rg1 Kb8 21. Na5 Qc7 22. b4 Rhg8) 17... Bd6 { [%eval -4.2] } 18. f4 { [%eval -4.1] } 18... exf3 { [%eval -4.01] } 19. Qd2 { [%eval -4.84] } 19... O-O { [%eval -4.74] } 20. Bd4?! { [%eval -6.59] } { Inaccuracy. Bb6 was best. } (20. Bb6 Qf6 21. Bf2 Rad8 22. Qe3 Qf5 23. Bg3 Qxh5 24. c3 Be6 25. Bxd6 Rxd6) 20... Qxh5 { [%eval -6.5] } 21. Bxg7 { [%eval -8.08] } 21... Qg4+ { [%eval -7.81] } 22. Kh1 { [%eval -7.9] } 22... Bg2+ { [%eval -7.69] } 23. Kg1 { [%eval -7.45] } 23... Bf4 { [%eval -7.64] } 24. Re4 { [%eval -9.64] } 24... f2+ { [%eval -9.6] } 25. Qxf2? { [%eval #-3] } { Checkmate is now unavoidable. Kxf2 was best. } (25. Kxf2 Bxe4 26. Qe2 Qg2+ 27. Ke1 Qxg7 28. Kf2 Rfe8 29. Rg1 Bg6 30. Re1 Rxe2+) 25... Bxe4+? { [%eval -8.06] } { Lost forced checkmate sequence. Bxh2+ was best. } (25... Bxh2+ 26. Kxh2 Qh3+ 27. Kg1 Qh1#) *