[Event "Nations Cup Online Prelim"] [Site "Chess.com INT"] [Date "2020.05.05"] [Round "1.3"] [White "Duda, Jan Krzysztof"] [Black "Andreikin, Dmitry"] [Result "1-0"] [WhiteElo "2753"] [BlackElo "2726"] [Variant "Standard"] [TimeControl "-"] [ECO "B42"] [Opening "Sicilian Defense: Kan Variation, Modern Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 { B42 Sicilian Defense: Kan Variation, Modern Variation } Nf6 6. O-O Qc7 7. Qe2 d6 8. c4 g6?! { (0.85 → 1.42) Inaccuracy. Be7 was best. } (8... Be7 9. Nc3) 9. Nc3 Bg7 10. Be3 O-O 11. Rac1 Nbd7 12. b3 b6 13. Rfd1 Bb7 14. f3 Rac8 15. Qf2 Qb8 16. Bf1 Rfd8 17. Kh1 h5 18. h3 Ba8?! { (0.99 → 1.57) Inaccuracy. d5 was best. } (18... d5 19. cxd5 exd5 20. Nxd5 Nxd5 21. exd5 Rxc1 22. Rxc1 Re8 23. Nc6 Qd6 24. Bg5 b5 25. a4) 19. b4 Ne5 20. Na4 Ned7 21. Nb3 b5?! { (2.00 → 3.12) Inaccuracy. Bxe4 was best. } (21... Bxe4 22. fxe4) 22. Nb6? { (3.12 → 1.41) Mistake. Ba7 was best. } (22. Ba7 Qb7) 22... Nxb6 23. Bxb6 bxc4 24. Bxc4 Re8?! { (1.61 → 2.70) Inaccuracy. Rf8 was best. } (24... Rf8 25. Bxa6) 25. Bxa6 Rxc1 26. Rxc1 d5 27. b5 Qd6 28. Bc5?! { (3.35 → 2.43) Inaccuracy. e5 was best. } (28. e5 Qxe5 29. Bc7 Qf5 30. Qc2 Qg5 31. b6 Bh6 32. Rd1 e5 33. Qd2 Qxd2 34. Nxd2 e4) 28... Qd8? { (2.43 → 3.98) Mistake. Qb8 was best. } (28... Qb8 29. e5 Qxe5 30. b6 h4 31. a4 Nh5 32. Bd4 Qd6 33. Bxg7 Kxg7 34. a5 e5 35. Bb5) 29. b6 Qb8 30. e5 Nd7 31. f4 g5 32. Bd4 gxf4 33. Bb5 Nxe5 34. Bxe5 Bxe5 35. Bxe8 Qxe8 36. Qe2 Qb8 37. Nc5 Bd6 38. Nxe6 Qxb6? { (7.70 → Mate in 4) Checkmate is now unavoidable. Qe8 was best. } (38... Qe8 39. Nxf4) 39. Rc8+ { Black resigns. } 1-0