lichess dev

[Event "Botvinnik Arena"] [Site "http://chess-academy.net/qjqFtXab"] [Date "2020.07.28"] [Round "-"] [White "arsenie_lisagor1"] [Black "BogdanConisescu"] [Result "0-1"] [UTCDate "2020.07.28"] [UTCTime "16:49:43"] [WhiteElo "1249"] [BlackElo "1836"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C20"] [Opening "King's Pawn Game"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 { C20 King's Pawn Game } 2. Ke2? { (0.30 → -2.16) Mistake. Best move was Nf3. } (2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Re1 Nc5) 2... Nf6 3. Kf3?? { (-1.77 → -5.60) Blunder. Best move was Nc3. } (3. Nc3 Nc6 4. Ke1 Bc5 5. Be2 O-O 6. Kf1 d5 7. exd5 Nxd5 8. Bf3 Be6 9. d3 f5) 3... d6? { (-5.60 → -3.05) Mistake. Best move was Bc5. } (3... Bc5 4. Ke2) 4. Bb5+?? { (-3.05 → -6.31) Blunder. Best move was Ke2. } (4. Ke2 Nxe4) 4... c6 5. Ba4?? { (-5.96 → -20.99) Blunder. Best move was Ke2. } (5. Ke2 cxb5 6. d3 Nc6 7. Nf3 Bg4 8. Nd2 d5 9. Re1 dxe4 10. dxe4 Bc5 11. Kf1 Qb6) 5... Bg4+ 6. Ke3 Bxd1 7. Nc3?! { (-19.43 → Mate in 2) Checkmate is now unavoidable. Best move was d3. } (7. d3 Qb6+ 8. Kd2 Qxf2+ 9. Kxd1 Qxg2 10. h3 Qxh1 11. Be3 d5 12. Ke1 dxe4 13. Nc3 Na6) 7... Bg4?! { (Mate in 2 → -14.03) Lost forced checkmate sequence. Best move was Qb6+. } (7... Qb6+ 8. d4 Qxd4#) 8. f3 Bd7 9. Bb3 Na6 10. Na4 Be6 11. Bxe6 fxe6 12. Nc3 d5 13. Nce2 d4+ 14. Kd3?! { (-15.93 → Mate in 4) Checkmate is now unavoidable. Best move was Kf2. } (14. Kf2 Qb6 15. Kf1 Nb4 16. c4 dxc3 17. dxc3 Nc2 18. Rb1 Na3 19. Ra1 O-O-O 20. Bg5 Qxb2) 14... Nb4+?! { (Mate in 4 → Mate in 7) Not the best checkmate sequence. Best move was Nc5+. } (14... Nc5+ 15. Kc4 b5+ 16. Kb4 a5+ 17. Ka3 b4#) 15. Kc4 Qa5 16. Rb1 Qc5+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qxa2+. } (16... Qxa2+ 17. b3 Qa6#) 17. Kb3 Qxc2+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was b5. } (17... b5 18. Nc3 Qc4+ 19. Ka3 Nxc2#) 18. Ka3 Qxb1?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Qc4. } (18... Qc4 19. b3 Qa6+ 20. Kb2 Qxa2#) 19. Ng3 Qxa2# { Black wins by checkmate. } 0-1