[Event "Chesapeake Open 2024"] [Site "?"] [Date "2024.01.14"] [Round "5"] [White "Zhang, Jerry"] [Black "Kolnik, Alan"] [Result "0-1"] [WhiteElo "1597"] [BlackElo "1605"] [Variant "Standard"] [TimeControl "-"] [ECO "B22"] [Opening "Sicilian Defense: Alapin Variation"] [Termination "Unknown"] [Annotator "lichess.org"] 1. e4 c5 2. c3 { B22 Sicilian Defense: Alapin Variation } Nc6 3. d4 cxd4 4. cxd4 d6?! { (0.39 → 1.48) Inaccuracy. d5 was best. } (4... d5 5. exd5 Qxd5 6. Nf3 e5 7. Nc3 Bb4 8. Bd2 Bxc3 9. Bxc3) 5. Nf3?! { (1.48 → 0.87) Inaccuracy. d5 was best. } (5. d5 Nb8 6. Ne2 Nf6 7. Nbc3 g6 8. Nd4 Bg7 9. Be2 O-O) 5... Nf6 6. Nc3 Bg4? { (0.97 → 2.26) Mistake. d5 was best. } (6... d5 7. e5 Ne4 8. Be3 Nxc3 9. bxc3 Bf5 10. Qb3 Rb8 11. e6) 7. Be2? { (2.26 → 0.92) Mistake. d5 was best. } (7. d5 Ne5 8. Nxe5 dxe5 9. Qb3 Bd7 10. Be3 Ng4 11. Bc5 e6) 7... e6 8. O-O Be7 9. Be3 a6?! { (0.24 → 0.87) Inaccuracy. d5 was best. } (9... d5) 10. h3 Bh5?! { (0.78 → 1.63) Inaccuracy. Bxf3 was best. } (10... Bxf3 11. Bxf3 d5 12. exd5 exd5 13. Qb3 Na5 14. Qc2 O-O 15. Qf5 g6 16. Qd3 Re8 17. Rfe1) 11. Rc1? { (1.63 → 0.46) Mistake. g4 was best. } (11. g4 Bg6 12. d5 exd5 13. exd5 Ne5 14. Nd4 h5 15. g5 Ne4 16. f4 Qd7 17. f5 Nxc3) 11... O-O?! { (0.46 → 1.13) Inaccuracy. d5 was best. } (11... d5 12. e5 Ne4 13. Nxe4 dxe4 14. Nd2 Bg6 15. Rc4 O-O 16. a3 Na5 17. Rc2 Nc6 18. Nb3) 12. a3?! { (1.13 → 0.12) Inaccuracy. g4 was best. } (12. g4 Bg6) 12... Rc8?! { (0.12 → 0.76) Inaccuracy. d5 was best. } (12... d5 13. e5 Nd7 14. Bd3 Nb6 15. Ne2 Bxf3 16. gxf3 Rc8 17. Kg2 f5 18. h4 Bxh4 19. Rh1) 13. Qd2?! { (0.76 → 0.00) Inaccuracy. g4 was best. } (13. g4 Bg6 14. d5 exd5 15. exd5 Ne5 16. Nd4 h6 17. f4 Ned7 18. Bf3 Re8 19. Bf2 Nb6) 13... Na5 14. Qd1 Nc4?! { (-0.07 → 0.63) Inaccuracy. d5 was best. } (14... d5 15. exd5 Nxd5 16. Nxd5 Qxd5 17. Qa4 h6 18. g4 Bg6 19. Ne5 Be4 20. f3 Bg6 21. Bf2) 15. Bxc4 Rxc4 16. Qd3?! { (0.54 → -0.14) Inaccuracy. Qb3 was best. } (16. Qb3 b5 17. Nd2 Rc8 18. f4 h6 19. d5 exd5 20. Nxd5 Nxd5 21. Qxd5 Be2 22. Rfe1 Rxc1) 16... Rc8 17. Nd2 Bg6?! { (-0.42 → 0.57) Inaccuracy. d5 was best. } (17... d5 18. Qc2 dxe4 19. Qb3 Nd5 20. Qxb7 Rb8 21. Qxa6 Rxb2 22. Ndxe4 Nxe3 23. fxe3 Bg5 24. Rce1) 18. Qe2? { (0.57 → -0.64) Mistake. d5 was best. } (18. d5 h6 19. f4 Bh7 20. f5 exf5 21. exf5 Nd7 22. Nde4 Ne5 23. Qe2 Re8 24. Rcd1 f6) 18... d5 19. e5 Nd7 20. f4 Nb6 21. Rfd1 Nc4 22. Nxc4 Rxc4 23. Bf2 Qb6 24. h4?! { (-0.81 → -1.50) Inaccuracy. g4 was best. } (24. g4 h6) 24... h5 25. Na2 Rfc8 26. Rxc4 Rxc4 27. Rc1 Rxc1+ 28. Nxc1 Be4 29. Na2 g6 30. Nc3 Bf5 31. g3? { (-0.70 → -2.33) Mistake. Na4 was best. } (31. Na4 Qc7 32. Qd2 Qc4 33. Nc5 b6 34. Nb7 Qc6 35. Nd6 Bxd6 36. exd6 Qxd6 37. Qc3 Qd7) 31... Qb3 32. Qd1? { (-2.18 → -4.45) Mistake. Qd2 was best. } (32. Qd2 b5 33. Be3 b4 34. axb4 Bxb4 35. Kf2 Bc2 36. Qc1 Bxc3 37. bxc3 Bf5 38. Bd2 Qa2) 32... Qxb2 33. Qe1?! { (-4.31 → -5.52) Inaccuracy. Na4 was best. } (33. Na4 Qxa3 34. Nb6 Be4 35. Nd7 b5 36. Nc5 a5 37. Qf1 b4 38. Nxe4 dxe4 39. d5 exd5) 33... Qxa3 34. Ne2 Bb4 35. Qd1 Be4 36. Qc1?? { (-5.37 → Mate in 4) Checkmate is now unavoidable. Nc1 was best. } (36. Nc1 a5 37. Nb3 b6 38. Be3 Bf8 39. Kf2 a4 40. Nd2 Bf5 41. Nf3 Qb2+ 42. Bd2 b5) 36... Qf3 37. Qc8+ Kh7 38. Qh8+ Kxh8 39. f5 Qg2# { Black wins. } 0-1