lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/xHYmahNq"] [Date "2021.03.04"] [Round "-"] [White "DavidRusu"] [Black "Quantum"] [Result "0-1"] [UTCDate "2021.03.04"] [UTCTime "17:32:10"] [WhiteElo "1632"] [BlackElo "1979"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+7"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C50"] [Opening "Italian Game: Giuoco Pianissimo, Italian Four Knights Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5?! { (-0.13 → 0.47) Inaccuracy. Best move was Nf6. } (3... Nf6 4. Nf3) 4. d3 Nf6 5. Nf3 { C50 Italian Game: Giuoco Pianissimo, Italian Four Knights Variation } d6 6. O-O?! { (0.34 → -0.23) Inaccuracy. Best move was Na4. } (6. Na4 Bb6 7. Nxb6 axb6 8. a4 O-O 9. Bd2 Qe7 10. O-O Be6) 6... Bg4?! { (-0.23 → 0.50) Inaccuracy. Best move was Na5. } (6... Na5) 7. h3?! { (0.50 → -0.33) Inaccuracy. Best move was Na4. } (7. Na4 O-O 8. Nxc5 dxc5 9. c3 Na5 10. Bb5 c4 11. h3 Bxf3 12. Qxf3 Qxd3 13. Qxd3 cxd3) 7... Bh5? { (-0.33 → 0.90) Mistake. Best move was Bxf3. } (7... Bxf3 8. Qxf3 Nd4 9. Qg3 Kf8 10. Bb3 a5 11. Re1 h6 12. Bd2 b5 13. a4 b4 14. Nd1) 8. Bg5?! { (0.90 → 0.00) Inaccuracy. Best move was Nd5. } (8. Nd5 Bxf3 9. Qxf3 Nd4 10. Nxf6+ Qxf6 11. Qxf6 gxf6 12. c3 Ne2+ 13. Kh2 Nxc1 14. Raxc1 a5) 8... Nd4? { (0.00 → 1.18) Mistake. Best move was Bxf3. } (8... Bxf3 9. Qxf3) 9. Qd2?? { (1.18 → -4.37) Blunder. Best move was g4. } (9. g4 Bg6 10. Nxd4 Bxd4 11. Ne2 Bb6 12. Ng3 c6 13. a4 h6 14. Bh4 d5 15. exd5 cxd5) 9... Bxf3 10. Rfe1?! { (-3.84 → -4.50) Inaccuracy. Best move was Kh2. } (10. Kh2 h6) 10... Bh5 11. g4?? { (-4.33 → -13.46) Blunder. Best move was Kh2. } (11. Kh2 Ne6) 11... Nf3+ 12. Kf1 Nxd2+ 13. Ke2 Nxc4 14. dxc4 Bg6 15. Rad1 h6 16. Bxf6 Qxf6 17. Nd5?! { (-20.50 → Mate in 5) Checkmate is now unavoidable. Best move was f3. } (17. f3 Qh4 18. Rd3 Qxh3 19. Kd2 h5 20. Nd5 Kd7 21. Rb3 b6 22. f4 Qxg4 23. f5 Bh7) 17... Qxf2+ 18. Kd3 Qf3+?! { (Mate in 4 → -23.16) Lost forced checkmate sequence. Best move was Qd4+. } (18... Qd4+ 19. Ke2 Qxe4+ 20. Ne3 Qxe3+ 21. Kf1 Qf2#) 19. Kd2 Bxe4 20. Nxc7+ Kd7 21. Nxa8?! { (-27.02 → Mate in 9) Checkmate is now unavoidable. Best move was Kc1. } (21. Kc1 Kxc7) 21... Qf4+ 22. Kc3 Bd4+?! { (Mate in 10 → -21.16) Lost forced checkmate sequence. Best move was Qg3+. } (22... Qg3+ 23. Kd2 Qf2+ 24. Re2 Be3+ 25. Kc3 Qxe2 26. Rd3 Bxd3 27. cxd3 Bd2+ 28. Kc2 Be1+ 29. Kb3) 23. Rxd4?! { (-21.16 → Mate in 10) Checkmate is now unavoidable. Best move was Kb3. } (23. Kb3 Rxa8) 23... exd4+ 24. Kxd4 Qd2+ 25. Kxe4 Qxe1+ 26. Kd4 Rxa8?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qd2+. } (26... Qd2+ 27. Ke4 Re8+ 28. Kf3 Re3+ 29. Kf4 Qf2#) 27. b3 Re8 28. Kd5 Qe5# { Black wins by checkmate. } 0-1