lichess dev

[Event "Masterclass Arena"] [Site "http://chess-academy.net/L1DT1Ru0"] [Date "2021.11.19"] [Round "-"] [White "lion26"] [Black "olarudariamaria"] [Result "0-1"] [UTCDate "2021.11.19"] [UTCTime "17:27:05"] [WhiteElo "1576"] [BlackElo "1613"] [WhiteRatingDiff "-19"] [BlackRatingDiff "+111"] [Variant "Standard"] [TimeControl "300+0"] [ECO "C20"] [Opening "King's Pawn Game: Leonardis Variation"] [Termination "Time forfeit"] [Annotator "chess-academy.net"] 1. e4 e5 2. d3?! { (0.30 → -0.33) Inaccuracy. Best move was Nf3. } { C20 King's Pawn Game: Leonardis Variation } (2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Re1 Nc5) 2... Nf6?! { (-0.33 → 0.23) Inaccuracy. Best move was Nc6. } (2... Nc6 3. Nc3 Bb4 4. Be2 Nf6 5. Bd2 O-O 6. Nf3 d5 7. exd5) 3. d4?! { (0.23 → -0.76) Inaccuracy. Best move was Nf3. } (3. Nf3) 3... exd4 4. Qxd4 Bd6? { (-1.47 → -0.17) Mistake. Best move was Nc6. } (4... Nc6 5. Qe3) 5. c4? { (-0.17 → -1.38) Mistake. Best move was Nc3. } (5. Nc3 Nc6 6. Qd3 Bc5 7. Be3 Nb4 8. Qd2 Bxe3 9. fxe3 O-O 10. O-O-O Re8 11. Nf3 Nc6) 5... c5?? { (-1.38 → 4.75) Blunder. Best move was Nc6. } (5... Nc6 6. Qd3 Bc5 7. Nc3 Ng4 8. Nh3 d6 9. Bf4 O-O 10. Qg3 h5 11. Bg5 f6 12. Bd2) 6. Qe3?? { (4.75 → -0.79) Blunder. Best move was Qxd6. } (6. Qxd6 Nxe4) 6... Nc6?! { (-0.79 → 0.00) Inaccuracy. Best move was O-O. } (6... O-O 7. Bd3) 7. Nc3?! { (0.00 → -0.60) Inaccuracy. Best move was Bd3. } (7. Bd3 O-O 8. Nf3 b6 9. h3 Re8 10. O-O Bb7 11. Nc3 Nd4 12. Rd1 Qe7 13. Re1 Nh5) 7... Nb4? { (-0.60 → 0.46) Mistake. Best move was Be5. } (7... Be5 8. Nf3 Bxc3+ 9. Qxc3 O-O 10. Bd3 Re8 11. O-O Nxe4 12. Bxe4 Rxe4 13. Ng5 Rh4 14. Re1) 8. Bd2?? { (0.46 → -9.51) Blunder. Best move was Bd3. } (8. Bd3 Ng4) 8... Nc2+ 9. Kd1 Nxe3+ 10. Bxe3 Qb6?! { (-9.55 → -9.00) Inaccuracy. Best move was Ng4. } (10... Ng4 11. Nf3 Nxe3+ 12. fxe3 b6 13. Kc2 Bb7 14. Rd1 Qe7 15. Bd3 O-O 16. Rhe1 f6 17. Nb5) 11. f3?! { (-9.00 → -9.81) Inaccuracy. Best move was Kc2. } (11. Kc2 Ng4 12. Re1 Bxh2 13. Nd5 Qc6 14. g3 Nxe3+ 15. Rxe3 Bxg1 16. Rxg1 d6 17. Kc1 Be6) 11... Qxb2 12. Ke1 Qxa1+ 13. Nd1 a5 14. Bd2 Ra6 15. f4 Rb6 16. Be2 Rb1 17. Bc1 Rxc1 18. Kf2?! { (-37.03 → Mate in 7) Checkmate is now unavoidable. Best move was g3. } (18. g3 Nxe4) 18... Qd4+ 19. Ne3 Rc3 20. Kf1 Rc1+ 21. Nd1 Bxf4?! { (Mate in 3 → Mate in 8) Not the best checkmate sequence. Best move was Nxe4. } (21... Nxe4 22. Nh3 Rxd1+ 23. Bxd1 Qxd1#) 22. Nf3 Ng4?! { (Mate in 6 → -15.26) Lost forced checkmate sequence. Best move was Rxd1+. } { Black wins on time. } (22... Rxd1+ 23. Bxd1 Qxd1+ 24. Ne1 Ng4 25. g3 Qd2 26. Nd3 Ne3+ 27. Kg1 Qg2#) 0-1