lichess dev

[Event "Black12 Arena"] [Site "http://chess-academy.net/UYDOd7EK"] [Date "2025.02.06"] [Round "-"] [White "cunitchidaria"] [Black "ctreit"] [Result "0-1"] [UTCDate "2025.02.06"] [UTCTime "17:00:02"] [WhiteElo "1108"] [BlackElo "1190"] [WhiteRatingDiff "-36"] [BlackRatingDiff "+10"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C20"] [Opening "Portuguese Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Bb5?! { (0.30 → -0.25) Inaccuracy. Best move was Nf3. } { C20 Portuguese Opening } (2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Re1 Nc5) 2... Bb4? { (-0.25 → 0.93) Mistake. Best move was c6. } (2... c6 3. Ba4 d5 4. exd5 Qxd5 5. Qf3 Nf6 6. Bb3 Qd8 7. Nc3) 3. Bxd7+?? { (0.93 → -3.87) Blunder. Best move was c3. } (3. c3 Be7 4. d4 c6 5. Ba4 d6 6. Nd2 Nf6 7. Ne2 O-O 8. O-O Nbd7 9. Bc2 d5) 3... Kxd7? { (-3.87 → -1.57) Mistake. Best move was Qxd7. } (3... Qxd7 4. Nf3) 4. Qh5? { (-1.57 → -2.97) Mistake. Best move was c3. } (4. c3 Be7 5. Nf3 Ke8 6. Nxe5 Bf6 7. Nc4 Qd3 8. Qe2 Qxe2+ 9. Kxe2 b5 10. Ne3 Ne7) 4... g6? { (-2.97 → -1.30) Mistake. Best move was Qf6. } (4... Qf6 5. c3) 5. Qxg6?? { (-1.30 → -16.53) Blunder. Best move was Qxe5. } (5. Qxe5) 5... fxg6 6. f4 exf4 7. g4 Nf6 8. Nf3 Nxe4 9. Ng5?! { (-19.23 → Mate in 9) Checkmate is now unavoidable. Best move was c3. } (9. c3 Bd6) 9... Nxg5?! { (Mate in 9 → -27.77) Lost forced checkmate sequence. Best move was Qe7. } (9... Qe7 10. O-O Qxg5 11. h3 Qh4 12. Rf3 Qe1+ 13. Rf1 Bc5+ 14. d4 Bxd4+ 15. Be3 Bxe3+ 16. Kg2) 10. h4?! { (-27.77 → Mate in 7) Checkmate is now unavoidable. Best move was c3. } (10. c3 Nh3) 10... Nf3+?! { (Mate in 7 → -36.70) Lost forced checkmate sequence. Best move was Re8+. } (10... Re8+ 11. Kd1 Kc6 12. Rg1 Ne4 13. c3 Qd3 14. Rg2 Bxg4+ 15. Ke1 Nf2+ 16. Kxf2 Bc5#) 11. Kd1 Qf6 12. Re1?! { (-25.02 → Mate in 7) Checkmate is now unavoidable. Best move was c3. } (12. c3 Be7) 12... Qd4?! { (Mate in 7 → -25.73) Lost forced checkmate sequence. Best move was Nxe1. } (12... Nxe1 13. d3 Re8 14. Nc3 Bxc3 15. Bd2 Bxd2 16. Rb1 Qc6 17. c3 Qg2 18. c4 Qe2#) 13. Re7+?! { (-25.73 → Mate in 5) Checkmate is now unavoidable. Best move was c3. } (13. c3 Qf2) 13... Kxe7 14. h5 gxh5?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Qg1+. } (14... Qg1+ 15. Ke2 Ne5 16. a3 f3#) 15. gxh5 Bg4 16. h6 Ng1+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Nh2+. } (16... Nh2+ 17. Ke1 Qg1#) 17. Ke1 Nf3+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qe3+. } (17... Qe3+ 18. Kf1 Bh3#) 18. Ke2 Qe4+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Nh2+. } (18... Nh2+ 19. Ke1 Qg1#) 19. Kd1 Qe1# { Black wins by checkmate. } 0-1