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[Event "Leon Arena"] [Site "http://chess-academy.net/hIO5bWxn"] [Date "2023.02.22"] [Round "-"] [White "Leon"] [Black "Bogdan_Crasnov"] [Result "1-0"] [UTCDate "2023.02.22"] [UTCTime "11:27:54"] [WhiteElo "1486"] [BlackElo "1406"] [WhiteRatingDiff "+23"] [BlackRatingDiff "-35"] [Variant "Standard"] [TimeControl "300+0"] [ECO "A04"] [Opening "Zukertort Opening: Polish Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. Nf3 b5? { (-0.02 → 1.13) Mistake. Best move was e6. } { A04 Zukertort Opening: Polish Defense } (1... e6 2. c4 Nf6 3. d4 b6 4. a3 Bb7 5. Nc3 d5 6. Bf4) 2. e4 Bb7 3. d4 Na6? { (0.79 → 3.12) Mistake. Best move was Bxe4. } (3... Bxe4 4. Bxb5 e6 5. O-O Nf6 6. c4 Bb7 7. Ba4 Be7 8. Nc3 O-O 9. Bc2 h6 10. Ne5) 4. Bxb5 e6?! { (2.52 → 3.28) Inaccuracy. Best move was c6. } (4... c6) 5. Bxa6? { (3.28 → 1.13) Mistake. Best move was O-O. } (5. O-O Ne7) 5... Bxa6 6. b3?! { (1.36 → 0.56) Inaccuracy. Best move was Be3. } (6. Be3 Nf6 7. Nbd2 Bb7 8. Bg5 Be7 9. e5 Ne4 10. Nxe4 Bxe4 11. Bxe7 Qxe7 12. O-O O-O) 6... Nf6 7. Bb2? { (1.18 → -0.62) Mistake. Best move was e5. } (7. e5 Ne4 8. c4 Bb4+ 9. Bd2 Nxd2 10. Nbxd2 O-O 11. O-O Bb7 12. Qe2 d6 13. a3 Bc3) 7... Qe7? { (-0.62 → 1.88) Mistake. Best move was Nxe4. } (7... Nxe4 8. Nfd2) 8. Ba3 O-O-O?? { (1.61 → 9.69) Blunder. Best move was d6. } (8... d6 9. Nbd2 c5 10. c4 Bb7 11. Qc2 Qd8 12. d5 Be7 13. O-O O-O 14. Bb2 Nd7 15. Bc3) 9. Bxe7 Bxe7 10. c4? { (9.66 → 8.53) Mistake. Best move was e5. } (10. e5 Ne4 11. Nfd2 Nxd2 12. Qxd2 Bb7 13. O-O d6 14. Qf4 Rhf8 15. Nc3 h6 16. Rfe1 a6) 10... d5? { (8.53 → 10.15) Mistake. Best move was Nxe4. } (10... Nxe4 11. Ne5) 11. e5?! { (10.15 → 9.41) Inaccuracy. Best move was exd5. } (11. exd5 Bb4+) 11... Nd7?! { (9.41 → 10.10) Inaccuracy. Best move was Ne4. } (11... Ne4 12. c5 Kb7 13. b4 c6 14. Nfd2 Nxd2 15. Nxd2 g6 16. Qf3 Rhf8 17. a4 Rb8 18. O-O-O) 12. c5 c6 13. b4 Kb7 14. Nc3 Rb8 15. a4 Kc7 16. Qb3 h6 17. b5 cxb5 18. axb5 Bxb5 19. Nxb5+ Kb7?! { (22.91 → Mate in 8) Checkmate is now unavoidable. Best move was Kd8. } (19... Kd8 20. c6) 20. Rxa7+ Kc6 21. Rc7# { White wins by checkmate. } 1-0