lichess dev

[Event "Tactician Arena"] [Site "http://chess-academy.net/A3tRbROE"] [Date "2020.07.06"] [Round "-"] [White "Nichita"] [Black "Marius"] [Result "1-0"] [UTCDate "2020.07.06"] [UTCTime "16:29:22"] [WhiteElo "1319"] [BlackElo "1342"] [WhiteRatingDiff "+27"] [BlackRatingDiff "-15"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Mikenas Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 Nc6?! { (0.15 → 0.67) Inaccuracy. Best move was d5. } { A40 Mikenas Defense } (1... d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Bg5 O-O 6. e3) 2. c3?! { (0.67 → -0.01) Inaccuracy. Best move was d5. } (2. d5 Ne5 3. f4 Ng6 4. Nc3 e6 5. dxe6 fxe6 6. h4 Bb4) 2... d5 3. Bf4?! { (0.36 → -0.24) Inaccuracy. Best move was Nf3. } (3. Nf3 Bf5 4. e3 a6 5. Be2 e6 6. O-O Nf6 7. Nh4 Be4 8. Nd2 h5 9. Nxe4 dxe4) 3... Bf5 4. e3 Na5? { (-0.21 → 1.22) Mistake. Best move was e6. } (4... e6 5. Bd3 g5 6. Bg3 Bxd3 7. Qxd3 h5 8. h4 Bd6 9. Bxd6 cxd6 10. Ne2 g4 11. g3) 5. Be2?! { (1.22 → 0.46) Inaccuracy. Best move was Bb5+. } (5. Bb5+ Nc6) 5... Qd7? { (0.46 → 1.49) Mistake. Best move was e6. } (5... e6 6. Nf3) 6. Bh5? { (1.49 → -0.35) Mistake. Best move was Nf3. } (6. Nf3 f6 7. Nbd2 g5 8. Bg3 h5 9. h3 h4 10. Bh2 e6 11. b4 Nc6 12. O-O g4) 6... Bg4?? { (-0.35 → 5.55) Blunder. Best move was Nc4. } (6... Nc4 7. Qb3 O-O-O 8. Be2 f6 9. Nf3 e5 10. Bg3 Ne7 11. dxe5 Nc6 12. Nd4 N6a5 13. e6) 7. Bxg4 Qb5? { (5.10 → 7.24) Mistake. Best move was e6. } (7... e6 8. Nd2 Bd6 9. Ne2 Ne7 10. O-O O-O 11. Rc1 Rac8 12. Bf3 Ng6 13. Bg3 Nc6 14. c4) 8. Be2? { (7.24 → 6.17) Mistake. Best move was Bxc7. } (8. Bxc7 Nc4 9. b3 Nb6 10. Bf4 Nf6 11. Be2 Qc6 12. Nf3 Nbd7 13. a4 a6 14. c4 e6) 8... Qxb2? { (6.17 → 7.81) Mistake. Best move was Qd7. } (8... Qd7) 9. Nd2? { (7.81 → 4.95) Mistake. Best move was Bxc7. } (9. Bxc7) 9... Nb3?? { (4.95 → 9.83) Blunder. Best move was c6. } (9... c6 10. c4 Nxc4 11. Bxc4 dxc4 12. Nxc4 Qc3+ 13. Nd2 e6 14. Nf3 Nf6 15. O-O Rc8 16. Ne5) 10. Nxb3 Qxc3+?! { (9.50 → 10.18) Inaccuracy. Best move was e6. } (10... e6 11. Rb1) 11. Kf1 Nf6 12. Be5? { (11.09 → 8.82) Mistake. Best move was Rc1. } (12. Rc1) 12... Ne4? { (8.82 → 9.84) Mistake. Best move was c6. } (12... c6 13. Rb1) 13. Bd3? { (9.84 → 8.84) Mistake. Best move was Rc1. } (13. Rc1) 13... Ng5? { (8.84 → 14.25) Mistake. Best move was Qb2. } (13... Qb2 14. Bxe4 dxe4 15. Ne2 c6 16. Nc5 f6 17. Bg3 h5 18. h4 e5 19. Ne6 Rc8 20. dxe5) 14. Ne2 Qb4 15. Bxc7 Ne6 16. Be5 O-O-O 17. Rc1+ Kd7 18. Qc2 Qa3?! { (15.18 → Mate in 1) Checkmate is now unavoidable. Best move was a6. } (18... a6 19. Rb1 Qa4 20. Nc3 Qa3 21. Nxd5 Ke8 22. Nd2 Rxd5 23. Nc4 Qxd3+ 24. Qxd3 f6 25. Bg3) 19. Qc7+?! { (Mate in 1 → Mate in 3) Not the best checkmate sequence. Best move was Bb5#. } (19. Bb5#) 19... Ke8 20. Qxb7?! { (Mate in 2 → 16.85) Lost forced checkmate sequence. Best move was Bb5+. } (20. Bb5+ Rd7 21. Bxd7#) 20... Qxa2?! { (16.85 → Mate in 2) Checkmate is now unavoidable. Best move was f6. } (20... f6 21. Bf5) 21. Bb1?! { (Mate in 2 → 19.97) Lost forced checkmate sequence. Best move was Bb5+. } (21. Bb5+ Rd7 22. Qxd7#) 21... Qxb1 22. Rxb1 Ng5?! { (19.82 → Mate in 9) Checkmate is now unavoidable. Best move was f6. } (22... f6 23. Bb8) 23. f4?! { (Mate in 9 → 28.24) Lost forced checkmate sequence. Best move was Qc6+. } (23. Qc6+ Rd7 24. Bf6 exf6 25. Nc5 Bxc5 26. Rb7 g6 27. Rxd7 Kf8 28. Qxf6 Kg8 29. dxc5 h6) 23... Ne4?! { (28.24 → Mate in 11) Checkmate is now unavoidable. Best move was f6. } (23... f6 24. Bc7) 24. Ke1?! { (Mate in 11 → 26.51) Lost forced checkmate sequence. Best move was Qc6+. } (24. Qc6+ Rd7 25. Nc5 f6 26. Qxd7+ Kf7 27. Qxd5+ Kg6 28. f5+ Kh6 29. Qxe4 g6 30. Ne6 gxf5) 24... f6 25. Bc7 Rd7 26. Qc6 g6 27. Qa8+ Rd8 28. Bxd8 Bh6?! { (31.49 → Mate in 10) Checkmate is now unavoidable. Best move was h6. } (28... h6 29. Qc6+) 29. Rc1 { Black resigns. } 1-0