lichess dev

[Event "Junior Arena"] [Site "http://chess-academy.net/kH29N6My"] [Date "2020.10.26"] [Round "-"] [White "Trifan"] [Black "platonalex"] [Result "1-0"] [UTCDate "2020.10.26"] [UTCTime "16:42:11"] [WhiteElo "1128"] [BlackElo "1249"] [WhiteRatingDiff "+176"] [BlackRatingDiff "-21"] [Variant "Standard"] [TimeControl "420+2"] [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. d3? { (0.84 → -0.22) Mistake. Best move was d4. } (2. d4 Bb7 3. Bd3 Nf6 4. Nc3 e6 5. Nge2 d5 6. exd5 Nxd5) 2... a5? { (-0.22 → 0.96) Mistake. Best move was Bb7. } (2... Bb7 3. Nf3 e6 4. Be2 d6 5. Bf4 Nf6 6. O-O Be7 7. c4 O-O 8. Nc3 c5 9. e5) 3. b3?! { (0.96 → 0.01) Inaccuracy. Best move was d4. } (3. d4 Bb7 4. Nc3 e6 5. Nge2 Bb4 6. a3 Bxc3+ 7. Nxc3 Ne7 8. Bd3 O-O 9. Qh5 d6) 3... g6? { (0.01 → 1.06) Mistake. Best move was e6. } (3... e6 4. Nd2 d5 5. Ngf3 Nc6 6. Bb2 Bb7 7. g3 Nge7 8. exd5 Qxd5 9. Bg2 O-O-O 10. Nc4) 4. c4? { (1.06 → -0.21) Mistake. Best move was Bb2. } (4. Bb2 Nf6) 4... h5? { (-0.21 → 1.10) Mistake. Best move was Bg7. } (4... Bg7 5. d4 c5 6. Nf3 Bb7 7. Nc3 Nc6 8. Be3 Nh6 9. Bxh6 Bxh6 10. d5 Bg7 11. Qd2) 5. g3? { (1.10 → -0.50) Mistake. Best move was Bb2. } (5. Bb2 Nf6 6. e5 Ng4 7. d4 Bg7 8. Bd3 c5 9. h3 Nh6 10. Nf3 cxd4 11. Be4 Nc6) 5... d6? { (-0.50 → 0.51) Mistake. Best move was Bg7. } (5... Bg7 6. d4) 6. f4? { (0.51 → -1.74) Mistake. Best move was Bb2. } (6. Bb2 e5 7. Nf3 Bg7 8. Bg2 Nc6 9. h3 Nf6 10. d4 exd4 11. Nxd4 Bb7 12. Nc3 O-O) 6... e6? { (-1.74 → 0.88) Mistake. Best move was Bg7. } (6... Bg7 7. d4) 7. Nf3? { (0.88 → -0.33) Mistake. Best move was Bb2. } (7. Bb2) 7... Qf6? { (-0.33 → 1.69) Mistake. Best move was h4. } (7... h4 8. Bb2) 8. Bb2?? { (1.69 → -6.54) Blunder. Best move was d4. } (8. d4 h4) 8... Qxb2 9. Ng5?? { (-5.95 → -12.54) Blunder. Best move was Nbd2. } (9. Nbd2) 9... Qxa1 10. a3 Qd4 11. b4 Nc6 12. bxa5 Nxa5 13. Bh3 Bd7 14. f5 Ba4 15. Qxa4+ Ke7 16. fxe6 fxe6 17. Nxe6 Qxd3? { (-12.07 → -7.84) Mistake. Best move was Qe3+. } (17... Qe3+) 18. Rf1? { (-7.84 → -11.42) Mistake. Best move was Qd1. } (18. Qd1 Qe3+) 18... Qxb1+ 19. Kf2 Qxe4?? { (-11.22 → -4.79) Blunder. Best move was Qb3. } (19... Qb3 20. Qxb3 Nxb3 21. Nxc7 Rxa3 22. Nd5+ Kf7 23. Kg1+ Kg7 24. Be6 Ra7 25. Nxb6 Nf6 26. Bd5) 20. Nxf8?? { (-4.79 → -15.68) Blunder. Best move was Nxc7. } (20. Nxc7 Kf7 21. Bg2 Qd4+ 22. Ke2+ Nf6 23. Qd7+ Kg8 24. Rxf6 Qb2+ 25. Ke1 Qc3+ 26. Ke2 Qxc4+) 20... Kxf8 21. Kg1+ Ke7?? { (-13.60 → Mate in 1) Checkmate is now unavoidable. Best move was Kg7. } (21... Kg7 22. Rf2 Nf6 23. Qc2 Qxc2 24. Rxc2 Nb3 25. Ra2 Ra4 26. Bf1 Nd4 27. h3 Ne4 28. Kg2) 22. Bf5?? { (Mate in 1 → -18.62) Lost forced checkmate sequence. Best move was Qd7#. } (22. Qd7#) 22... Qh4?? { (-18.62 → Mate in 7) Checkmate is now unavoidable. Best move was gxf5. } (22... gxf5) 23. gxh4?? { (Mate in 7 → 0.00) Lost forced checkmate sequence. Best move was Qd7+. } (23. Qd7+ Kf6 24. Qe6+ Kg7 25. Qxg6+ Kf8 26. Be6+ Qf6 27. Rxf6+ Ke7 28. Qf7+ Kd8 29. Qf8#) 23... Nf6?? { (0.00 → 4.23) Blunder. Best move was gxf5. } (23... gxf5 24. Re1+ Kf8 25. Qd7 Rh6 26. Qxc7 Nb3 27. Kh1 Nc5 28. Qc6 Rb8 29. Qc7) 24. Bxg6? { (4.23 → 1.58) Mistake. Best move was Bh3. } (24. Bh3) 24... Nb7?? { (1.58 → Mate in 9) Checkmate is now unavoidable. Best move was Rag8. } (24... Rag8 25. Qc2) 25. Qc2?? { (Mate in 9 → 5.47) Lost forced checkmate sequence. Best move was Re1+. } (25. Re1+ Kd8 26. Qxa8+ Kd7 27. Bf5+ Kc6 28. Qa4+ Kc5 29. Qb5+ Kd4 30. Rd1+ Ke3 31. Qb3+ Kf4) 25... Ne4?? { (5.47 → Mate in 6) Checkmate is now unavoidable. Best move was Raf8. } (25... Raf8 26. Qg2) 26. Qxe4+ Kd7 27. Rf7+ Kd8 28. Qxb7?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qe7+. } (28. Qe7+ Kc8 29. Qxc7#) 28... Rxa3 29. Qb8# { White wins by checkmate. } 1-0