lichess dev

[Event "Weiss Arena"] [Site "http://chess-academy.net/pTRKYnTE"] [Date "2020.05.14"] [Round "-"] [White "ivan"] [Black "Sofia"] [Result "1-0"] [UTCDate "2020.05.14"] [UTCTime "14:06:47"] [WhiteElo "1494"] [BlackElo "1570"] [WhiteRatingDiff "+118"] [BlackRatingDiff "-14"] [Variant "Standard"] [TimeControl "120+0"] [ECO "B01"] [Opening "Scandinavian Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 d5?! { (0.12 → 0.81) Inaccuracy. Best move was e6. } { B01 Scandinavian Defense } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. e5?! { (0.81 → -0.16) Inaccuracy. Best move was exd5. } (2. exd5 Nf6 3. Nf3 Nxd5 4. d4 c5 5. c4 Nf6 6. d5 e6) 2... e6 3. Nf3 Bc5? { (-0.22 → 1.22) Mistake. Best move was c5. } (3... c5 4. c3 d4 5. Bd3 Ne7 6. O-O Ng6 7. Re1 Nc6 8. b3) 4. Nc3?! { (1.22 → 0.51) Inaccuracy. Best move was d4. } (4. d4 Bb6 5. Na3 a6 6. b4 Ne7 7. Bd3 h6 8. O-O a5 9. b5 c5 10. bxc6 bxc6) 4... Bb6?! { (0.51 → 1.44) Inaccuracy. Best move was Ne7. } (4... Ne7 5. Na4 Bb6 6. d4 c5 7. Nxb6 axb6 8. c3 c4 9. Be2 b5 10. b3 Nbc6 11. O-O) 5. d4 Qd7? { (0.85 → 1.87) Mistake. Best move was Bd7. } (5... Bd7 6. Be3) 6. Bb5 c6 7. Ba4? { (1.89 → 0.58) Mistake. Best move was Bd3. } (7. Bd3 Ne7) 7... Qe7? { (0.58 → 1.70) Mistake. Best move was Ba5. } (7... Ba5 8. Bd2) 8. Ng5? { (1.70 → -0.48) Mistake. Best move was O-O. } (8. O-O Nd7) 8... Qf6?? { (-0.48 → 12.41) Blunder. Best move was f6. } (8... f6 9. exf6 Nxf6 10. O-O O-O 11. Re1 Bc7 12. Bb3 h6 13. Nh3 e5 14. Nf4 e4 15. f3) 9. exf6 gxf6 10. Nf3 Nh6 11. Bxh6 e5 12. O-O Bg4 13. h3 Bf5 14. g4 Bd3 15. cxd3 Ba5 16. Bg7 Rg8 17. Bxf6 Rg6 18. Bxe5 Rh6 19. Bf4 Rg6 20. Nh4 Nd7 21. Nxg6 O-O-O?! { (31.35 → Mate in 1) Checkmate is now unavoidable. Best move was hxg6. } (21... hxg6 22. Nxd5) 22. Rc1?! { (Mate in 1 → 33.24) Lost forced checkmate sequence. Best move was Ne7#. } (22. Ne7#) 22... Bb6?! { (33.24 → Mate in 1) Checkmate is now unavoidable. Best move was hxg6. } (22... hxg6 23. Nb5) 23. Bg5?! { (Mate in 1 → 30.92) Lost forced checkmate sequence. Best move was Ne7#. } (23. Ne7#) 23... Bxd4 24. Bxd8 Bf6 25. h4 Bg7?! { (31.66 → Mate in 8) Checkmate is now unavoidable. Best move was Kxd8. } (25... Kxd8 26. Nf4) 26. Nf4?! { (Mate in 8 → 35.16) Lost forced checkmate sequence. Best move was Qe2. } (26. Qe2 Be5 27. Nxe5 Nc5 28. Nxf7 Ne4 29. dxe4 d4 30. Qf3 Kb8 31. Nd6 dxc3 32. Qf8 cxb2) 26... Kxd8 27. Qe2 Kc8?! { (32.47 → Mate in 3) Checkmate is now unavoidable. Best move was b5. } (27... b5 28. Bd1) 28. Qe8+ Kc7 29. Ng6?! { (Mate in 2 → Mate in 7) Not the best checkmate sequence. Best move was Ncxd5+. } (29. Ncxd5+ Kd6 30. Qe7#) 29... Nf6 30. Qe7+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Nb5+. } (30. Nb5+ Kb6 31. Qd8+ Ka6 32. b4 cxb5 33. Qa5#) 30... Kc8 31. Rfe1?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was Nb5. } (31. Nb5 Nxg4 32. Qe8#) 31... Ng8 32. Qe8+ Kc7 33. Re7+?! { (Mate in 2 → Mate in 5) Not the best checkmate sequence. Best move was Nxd5+. } (33. Nxd5+ Kd6 34. Qd8#) 33... Kd6 34. Qd7+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Ne4+. } (34. Ne4+ dxe4 35. Rd7#) 34... Kc5 35. Nxd5+ Kd4 36. Qe6?! { (Mate in 1 → Mate in 3) Not the best checkmate sequence. Best move was Ne3#. } (36. Ne3#) 36... Kxd3 37. Qe3# { White wins by checkmate. } 1-0