[Event "Lumwana Luncheon Chess Arena"] [Site "https://lichess.org/TcXMoOPB"] [Date "2020.05.31"] [White "chamnov"] [Black "Katykatour"] [Result "0-1"] [UTCDate "2020.05.31"] [UTCTime "11:25:54"] [WhiteElo "2275"] [BlackElo "1790"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+11"] [Variant "Standard"] [TimeControl "180+0"] [ECO "D90"] [Opening "Grünfeld Defense: Three Knights Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 { D90 Grünfeld Defense: Three Knights Variation } 5. cxd5 Nxd5 6. e4 Nb6?! { (0.19 → 0.85) Inaccuracy. Nxc3 was best. } (6... Nxc3 7. bxc3 c5 8. Rb1 O-O 9. Be2 cxd4 10. cxd4 Qa5+ 11. Bd2) 7. Bc4?? { (0.85 → -0.81) Blunder. Bb5+ was best. } (7. Bb5+ c6 8. Be2 Na6 9. Be3 O-O 10. Qc2 Bg4 11. Rd1 Bxf3) 7... Nxc4 8. Qa4+ b5?? { (-1.14 → 0.99) Blunder. Nc6 was best. } (8... Nc6) 9. Qxb5+ c6 10. Qxc4 O-O 11. O-O?? { (1.14 → -0.68) Blunder. Be3 was best. } (11. Be3 Ba6) 11... Ba6 12. Qb4 Bxf1 13. Kxf1 a5 14. Qc4 Na6 15. Qxc6? { (-0.33 → -1.45) Mistake. Be3 was best. } (15. Be3 Qb6) 15... Nb4 16. Qa4 Bxd4 17. Nxd4 Qxd4 18. Ne2?? { (-1.59 → -3.98) Blunder. Be3 was best. } (18. Be3 Qc4+ 19. Kg1 Qc6 20. Qxc6 Nxc6 21. Nd5 Rfd8 22. Rc1 e6 23. Rxc6 exd5 24. exd5 Rab8) 18... Qd3 19. Bh6 Rfd8 20. a3?? { (-2.93 → -11.66) Blunder. f3 was best. } (20. f3 Qd6) 20... Nc2 21. Rb1?! { (-11.17 → Mate in 2) Checkmate is now unavoidable. f3 was best. } (21. f3 Nxa1 22. Kf2 Rab8 23. Nf4 Qd2+ 24. Kg3 e5 25. b4 Rbc8 26. Qxa5 exf4+ 27. Bxf4 Qe1+) 21... Qd1+ 22. Rxd1 Rxd1# { Black wins by checkmate. } 0-1