lichess dev

[Event "Greco Arena"] [Site "http://chess-academy.net/OQ1v6vhT"] [Date "2025.02.25"] [Round "-"] [White "cosma1"] [Black "Ilinca2013"] [Result "0-1"] [UTCDate "2025.02.25"] [UTCTime "17:47:09"] [WhiteElo "1158"] [BlackElo "1303"] [WhiteRatingDiff "-33"] [BlackRatingDiff "+41"] [Variant "Standard"] [TimeControl "600+0"] [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 → 0.89) Mistake. Best move was c6. } (2... c6 3. Ba4 d5 4. exd5 Qxd5 5. Qf3 Nf6 6. Bb3 Qd8 7. Nc3) 3. Qg4? { (0.89 → -1.36) Mistake. Best move was c3. } (3. c3) 3... c6? { (-1.36 → 0.89) Mistake. Best move was Nf6. } (3... Nf6) 4. Bc4? { (0.89 → -0.91) Mistake. Best move was Qxg7. } (4. Qxg7 Qf6 5. Qxf6 Nxf6 6. Be2 d5 7. c3 Bc5 8. Nf3 Nxe4 9. O-O Nd7 10. d3 Nef6) 4... Na6? { (-0.91 → 1.74) Mistake. Best move was Nf6. } (4... Nf6 5. Qxg7 Rf8 6. Qg5 Qe7 7. a3 Bc5 8. d4 Bxd4 9. Qf5 Nxe4 10. Qxe4 d5 11. Qxh7) 5. c3? { (1.74 → 0.12) Mistake. Best move was Qxg7. } (5. Qxg7 Qf6) 5... Nc5?? { (0.12 → 5.45) Blunder. Best move was Bf8. } (5... Bf8 6. Qe2) 6. cxb4 Nd3+?? { (5.13 → 9.55) Blunder. Best move was d5. } (6... d5 7. Qxg7 Qf6 8. Qxf6 Nxf6 9. exd5 cxd5 10. Bf1 Ne6 11. d3 b6 12. Nf3 Nd7 13. Nc3) 7. Ke2?? { (9.55 → -1.46) Blunder. Best move was Bxd3. } (7. Bxd3 Nf6 8. Qg3 O-O 9. Ne2 Re8 10. Nbc3 d5 11. a3 Nxe4 12. Nxe4 dxe4 13. Bxe4 a5) 7... Nxc1+? { (-1.46 → 1.20) Mistake. Best move was d5. } (7... d5) 8. Kd1 Nxa2? { (0.97 → 3.29) Mistake. Best move was d5. } (8... d5) 9. Bxa2 d5? { (3.01 → 4.48) Mistake. Best move was g6. } (9... g6 10. Qg3 d6 11. Kc2 Nf6 12. Nc3 O-O 13. h4 Kh8 14. Bb3 b5 15. Nf3 h6 16. h5) 10. Qh5? { (4.48 → 1.80) Mistake. Best move was Qxg7. } (10. Qxg7 Qf6 11. Qxf6 Nxf6 12. exd5 Rg8 13. Nf3 Rxg2 14. Nxe5 cxd5 15. Nc3 Bg4+ 16. Ke1 Be6) 10... g6?? { (1.80 → 10.13) Blunder. Best move was Qe7. } (10... Qe7 11. Nf3 dxe4 12. Nxe5 Be6 13. Bxe6 Qxe6 14. f4 Nf6 15. Qh3 Qd6 16. Qe3 Qxb4 17. Nc3) 11. Qh6?? { (10.13 → -12.21) Blunder. Best move was Qxe5+. } (11. Qxe5+) 11... Nxh6 12. Nf3 Ng4 13. Nxe5 Nxf2+ 14. Ke1 Nxh1 15. b5 cxb5 16. Bxd5 Qh4+ 17. g3 Qxh2 18. Bxf7+ Ke7 19. Ra5 a6 20. Nc3 Nxg3 21. Nd5+ Kd6 22. d4?! { (-33.86 → Mate in 1) Checkmate is now unavoidable. Best move was Kd1. } (22. Kd1 Nxe4) 22... Rg8?! { (Mate in 1 → -27.21) Lost forced checkmate sequence. Best move was Qe2#. } (22... Qe2#) 23. Kd1?! { (-27.21 → Mate in 11) Checkmate is now unavoidable. Best move was Nc4+. } (23. Nc4+ bxc4) 23... g5?! { (Mate in 11 → -22.57) Lost forced checkmate sequence. Best move was Nxe4. } (23... Nxe4 24. Nf3 Bg4 25. Kc1 Bxf3 26. Ne3 Rgc8+ 27. Bc4 Qg1+ 28. Kc2 Qxe3 29. Kb1 Rxc4 30. Ka2) 24. Kc1 Rg7 25. Be8 h5 26. Kb1 Qh1+ 27. Ka2 h4 28. b3 h3 29. Ka3?! { (-25.83 → Mate in 12) Checkmate is now unavoidable. Best move was Bxb5. } (29. Bxb5 Qg2+ 30. Ka3 h2 31. Nc4+ Ke6 32. Nde3 Qxe4 33. Bc6 bxc6 34. Re5+ Qxe5 35. Nxe5 h1=Q) 29... Qa1+ 30. Kb4 h2? { (Mate in 17 → -9.77) Lost forced checkmate sequence. Best move was Qe1+. } (30... Qe1+ 31. Nc3 Nxe4 32. Nc4+ bxc4 33. Rd5+ Kc7 34. Rc5+ Nxc5 35. Kxc4 h2 36. Nd5+ Kb8 37. Nc3) 31. Nb6? { (-9.77 → Mate in 10) Checkmate is now unavoidable. Best move was Rxa1. } (31. Rxa1) 31... Qb1?! { (Mate in 10 → -35.61) Lost forced checkmate sequence. Best move was Qe1+. } (31... Qe1+ 32. Ka3 Qxa5+ 33. Kb2 Qd2+ 34. Ka3 b4+ 35. Ka4 Qa2+ 36. Kxb4 a5+ 37. Kc3 Nxe4+ 38. Kd3) 32. Nxa8?! { (-35.61 → Mate in 7) Checkmate is now unavoidable. Best move was Bxb5. } (32. Bxb5 h1=Q) 32... h1=Q 33. Nf7+ Rxf7 34. Bxf7 b6?! { (Mate in 2 → Mate in 6) Not the best checkmate sequence. Best move was Qhe1+. } (34... Qhe1+ 35. Ka3 Qxa5#) 35. Nxb6 Qhe1+ 36. Ka3 Qa1# { Black wins by checkmate. } 0-1