lichess dev

[Event "Koltanowski Arena"] [Site "http://chess-academy.net/zfEtzdcZ"] [Date "2025.03.06"] [Round "-"] [White "Matei2017"] [Black "muntean_victor"] [Result "0-1"] [UTCDate "2025.03.06"] [UTCTime "17:41:23"] [WhiteElo "1396"] [BlackElo "1979"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+1"] [Variant "Standard"] [TimeControl "600+0"] [ECO "B00"] [Opening "Owen Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 b6?! { (0.12 → 0.84) Inaccuracy. Best move was e6. } { B00 Owen Defense } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. Bc4?! { (0.84 → -0.03) Inaccuracy. Best move was d4. } (2. d4 Bb7 3. Bd3 Nf6 4. Nc3 e6 5. Nge2 d5 6. exd5 Nxd5) 2... e6 3. Qf3? { (0.55 → -0.67) Mistake. Best move was d4. } (3. d4 d5) 3... Nc6 4. Bb3?! { (-0.11 → -0.71) Inaccuracy. Best move was Nc3. } (4. Nc3) 4... Nd4 5. Qf4?! { (-0.40 → -0.97) Inaccuracy. Best move was Qg3. } (5. Qg3 d5) 5... g5?! { (-0.97 → -0.04) Inaccuracy. Best move was Bb7. } (5... Bb7 6. Nf3 Bd6 7. Qe3 Nxf3+ 8. Qxf3 f5 9. Nc3 Ne7 10. d3 O-O 11. Qh3 Nc6 12. O-O) 6. Qe5?! { (-0.04 → -0.60) Inaccuracy. Best move was Qg3. } (6. Qg3 Bb7) 6... Nxb3 7. cxb3? { (-0.05 → -1.71) Mistake. Best move was axb3. } (7. axb3 f6 8. Qg3 d5 9. h4 dxe4 10. hxg5 Qd7 11. f3 Bb7 12. fxe4 Bxe4 13. d3 Bb7) 7... f6 8. Qc3?! { (-1.18 → -2.12) Inaccuracy. Best move was Qg3. } (8. Qg3 d5) 8... Bb7 9. Nf3?! { (-1.97 → -2.77) Inaccuracy. Best move was d3. } (9. d3 d5) 9... g4?! { (-2.77 → -2.23) Inaccuracy. Best move was d5. } (9... d5 10. d3 Qd7 11. h3 dxe4 12. dxe4 O-O-O 13. O-O Bxe4 14. Re1 Bg6 15. Qc4 e5 16. Nc3) 10. Nh4 d5 11. exd5? { (-2.17 → -3.46) Mistake. Best move was d3. } (11. d3 Qd7) 11... Qxd5 12. Nf3?? { (-3.09 → -8.19) Blunder. Best move was O-O. } (12. O-O O-O-O 13. d3 Ne7 14. Qc4 Ng6 15. Qxd5 Rxd5 16. Nxg6 hxg6 17. Bf4 Rxd3 18. Na3 e5) 12... gxf3 13. gxf3? { (-7.83 → -11.07) Mistake. Best move was Qxf3. } (13. Qxf3 Qxf3 14. gxf3 Bxf3 15. Rg1 O-O-O 16. d4 Rxd4 17. Nc3 Rh4 18. Rg3 Bh5 19. Kf1 Ne7) 13... O-O-O 14. Rg1 Bc5 15. Rg4 Nh6 16. Qxf6?! { (-13.17 → Mate in 9) Checkmate is now unavoidable. Best move was Rg3. } (16. Rg3) 16... Nxg4?! { (Mate in 9 → -36.25) Lost forced checkmate sequence. Best move was Bxf2+. } (16... Bxf2+ 17. Kd1 Qd3 18. Qxe6+ Kb8 19. Rf4 Rhg8 20. Qe1 Bxe1 21. Rf8 Rdxf8 22. Nc3 Bxf3+ 23. Kxe1) 17. Qf7?! { (-36.25 → Mate in 6) Checkmate is now unavoidable. Best move was d4. } (17. d4 Nxf6) 17... Qe5+ 18. Kd1 Nxf2+ 19. Kc2 Be4+ 20. fxe4 Qxe4+ 21. Kc3 Nd1# { Black wins by checkmate. } 0-1