[Event "Rated rapid game"] [Site "https://lichess.org/YfkVunoH"] [Date "2017.11.16"] [White "cuni20pich"] [Black "gnvats31"] [Result "0-1"] [UTCDate "2017.11.16"] [UTCTime "03:07:08"] [WhiteElo "1037"] [BlackElo "1063"] [WhiteRatingDiff "-36"] [BlackRatingDiff "+14"] [Variant "Standard"] [TimeControl "1200+7"] [ECO "A04"] [Opening "Zukertort Opening: Queen's Gambit Invitation"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 e6 { A04 Zukertort Opening: Queen's Gambit Invitation } 2. d4 f6?! { (0.22 → 1.30) Inaccuracy. Nf6 was best. } (2... Nf6 3. c4 d5 4. e3 c5 5. cxd5 exd5 6. Nc3 Nc6 7. Be2 cxd4 8. exd4 h6 9. O-O) 3. Be3?! { (1.30 → 0.47) Inaccuracy. e3 was best. } (3. e3 d5 4. c4 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 Ne7 7. Bd3 O-O 8. O-O Nbc6 9. Rc1 Kh8) 3... g5 4. Nc3 Nc6 5. Qd2?! { (0.87 → 0.10) Inaccuracy. d5 was best. } (5. d5 exd5 6. Qxd5 Nge7 7. Qb3 Bg7 8. O-O-O d6 9. h4 h6 10. Kb1 Qd7 11. Nd4 Nxd4) 5... Bb4 6. a3 Ba5? { (0.44 → 1.59) Mistake. Bxc3 was best. } (6... Bxc3 7. Qxc3 Nge7 8. O-O-O d5 9. Kb1 h5 10. Bd2 Qd6 11. e3 Bd7 12. Bd3 O-O-O 13. h3) 7. O-O-O?! { (1.59 → 0.47) Inaccuracy. b4 was best. } (7. b4) 7... b5? { (0.47 → 1.85) Mistake. Nge7 was best. } (7... Nge7 8. Qd3 d5 9. Kb1 g4 10. Nh4 e5 11. Bh6 e4 12. Qe3 Ng6 13. g3 Nxh4 14. gxh4) 8. g4?? { (1.85 → -0.23) Blunder. b4 was best. } (8. b4 Bb6 9. d5 exd5 10. Nxd5 Nce7 11. Nxb6 axb6 12. Qc3 h6 13. Bd2 d5 14. Nd4 Qd7) 8... b4 9. axb4? { (0.30 → -1.09) Mistake. Na2 was best. } (9. Na2 bxa3) 9... Nxb4 10. Na2?? { (-1.03 → -8.10) Blunder. d5 was best. } (10. d5 Na2+ 11. Kb1 Nxc3+ 12. bxc3 Rb8+ 13. Kc1 Qe7 14. d6 cxd6 15. Qd4 d5 16. Kd2 Bb6) 10... Nxa2+ 11. Kb1 Bxd2 12. Rxd2 Nb4 13. c3 Nd5 14. Rd1 Nh6 15. Bd2 Nxg4 16. Rg1 O-O 17. Rxg4 c6 18. c4 Ne7 19. Rg1 Rb8 20. Bh3 Qb6 21. Bg4? { (-9.54 → Mate in 1) Checkmate is now unavoidable. b4 was best. } (21. b4 Qa5) 21... Qxb2# { Black wins by checkmate. } 0-1