lichess dev

[Event "Junior Arena"] [Site "http://chess-academy.net/5EyPkUqB"] [Date "2021.01.06"] [Round "-"] [White "raluca"] [Black "andreiradulescu"] [Result "0-1"] [UTCDate "2021.01.06"] [UTCTime "16:49:34"] [WhiteElo "1253"] [BlackElo "1322"] [WhiteRatingDiff "-9"] [BlackRatingDiff "+46"] [Variant "Standard"] [TimeControl "600+4"] [ECO "A04"] [Opening "Zukertort Opening: Polish Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. Nf3 b5? { (-0.02 → 1.15) Mistake. Best move was e6. } { A04 Zukertort Opening: Polish Defense } (1... e6 2. c4 Nf6 3. d4 b6 4. a3 Bb7 5. Nc3 d5 6. Bf4) 2. Nd4? { (1.15 → -0.29) Mistake. Best move was e4. } (2. e4) 2... c6?! { (-0.29 → 0.42) Inaccuracy. Best move was a6. } (2... a6 3. Nf3 e6 4. d4 Nf6 5. Bf4 Bb7 6. Nbd2 c5 7. e3 cxd4 8. exd4 d6 9. Bd3) 3. Nc3? { (0.42 → -1.16) Mistake. Best move was Nf3. } (3. Nf3 Nf6 4. d4 d5 5. c3 Bf5 6. Bf4 e6 7. e3 Nbd7 8. Nbd2 Be7 9. h3 Ne4) 3... a5? { (-1.16 → 0.31) Mistake. Best move was e5. } (3... e5) 4. Ndxb5? { (0.31 → -2.37) Mistake. Best move was e4. } (4. e4 b4 5. Nce2 d5 6. e5 e6 7. Nf3 Ba6 8. d4 c5 9. c3 Nd7 10. h4 Qc7) 4... cxb5 5. Nxb5 Ba6?! { (-2.40 → -1.76) Inaccuracy. Best move was Nf6. } (5... Nf6 6. d4) 6. Nd4? { (-1.76 → -3.50) Mistake. Best move was a4. } (6. a4 Nf6) 6... g5? { (-3.50 → -1.40) Mistake. Best move was e5. } (6... e5 7. Nf3 e4 8. Nd4 Nf6 9. b3 Bc5 10. Bb2 O-O 11. e3 Bxf1 12. Kxf1 Bxd4 13. Bxd4) 7. Nf3? { (-1.40 → -2.77) Mistake. Best move was e4. } (7. e4) 7... h6?! { (-2.77 → -1.92) Inaccuracy. Best move was g4. } (7... g4) 8. Nd4?! { (-1.92 → -2.78) Inaccuracy. Best move was e4. } (8. e4 Bxf1 9. Kxf1 Bg7 10. d4 d6 11. c3 Nf6 12. Qe2 Qd7 13. h3 Qc6 14. e5 Ne4) 8... Bg7 9. Nf5 Bf8?! { (-2.21 → -1.54) Inaccuracy. Best move was Bf6. } (9... Bf6 10. e4 Bxf1 11. Kxf1 d5 12. h4 dxe4 13. Qg4 Qd5 14. hxg5 hxg5 15. Rxh8 Bxh8 16. Ne3) 10. Nd4? { (-1.54 → -2.75) Mistake. Best move was e4. } (10. e4) 10... Bg7?! { (-2.75 → -1.94) Inaccuracy. Best move was e5. } (10... e5 11. Nf5) 11. Nf5 Be5? { (-2.17 → -1.11) Mistake. Best move was Bf6. } (11... Bf6 12. e4) 12. Nxh6?? { (-1.11 → -6.09) Blunder. Best move was d4. } (12. d4 Bc7) 12... Nxh6?! { (-6.09 → -5.47) Inaccuracy. Best move was Rxh6. } (12... Rxh6 13. d4 Bf4 14. g3 Bxc1 15. Qxc1 e6 16. Bg2 Nc6 17. Qd2 d5 18. O-O-O Kf8 19. e4) 13. f3?? { (-5.47 → -11.83) Blunder. Best move was d4. } (13. d4) 13... g4?? { (-11.83 → -6.73) Blunder. Best move was Nf5. } (13... Nf5 14. g4 Ng3 15. d4 Nxh1 16. dxe5 Qb6 17. e3 Rxh2 18. Bxa6 Ng3 19. Bf1 Rh1 20. Qd5) 14. fxg4?? { (-6.73 → -13.43) Blunder. Best move was d4. } (14. d4) 14... Nxg4 15. e4 Bb7?? { (-14.20 → -3.35) Blunder. Best move was Bg3+. } (15... Bg3+ 16. hxg3 Rxh1 17. c4 Nh2 18. Qh5 d6 19. Qh8+ Kd7 20. Qxd8+ Kxd8 21. Ke2 Nxf1 22. b3) 16. Qxg4 e6? { (-3.81 → -2.01) Mistake. Best move was Qc7. } (16... Qc7) 17. Qg7?? { (-2.01 → -18.36) Blunder. Best move was c3. } (17. c3 Qh4+ 18. Qxh4 Rxh4 19. d3 Bg3+ 20. Kd1 Rxh2 21. Rxh2 Bxh2 22. Be3 d5 23. exd5 Bxd5) 17... Bxg7 18. d3 Bd4 19. Bf4 Nc6 20. O-O-O O-O 21. Bh6 Re8 22. Bf4 Qh4 23. Bc7 Rec8 24. Bb6 Bxb6 25. Be2 Nb4 26. Rhf1?! { (-25.94 → Mate in 7) Checkmate is now unavoidable. Best move was c3. } (26. c3 Qf2 27. Rde1 Qe3+ 28. Kb1 Nxd3 29. Bxd3 Qxd3+ 30. Ka1 Bxe4 31. Rhf1 Be3 32. Rd1 Qc4) 26... Nxa2+?! { (Mate in 7 → -23.55) Lost forced checkmate sequence. Best move was Rxc2+. } (26... Rxc2+ 27. Kb1 Bd4 28. Rd2 Rxd2 29. Kc1 Rxb2 30. a3 Qg5+ 31. Rf4 Qxf4+ 32. Kd1 Qd2#) 27. Kb1 Nb4 28. c3 Nc6 29. Bf3 Ne5 30. Be2 Ng4 31. Rf5 exf5 32. exf5 Nf2 33. Rf1 Bxg2 34. Rd1?! { (-31.71 → Mate in 7) Checkmate is now unavoidable. Best move was Rc1. } (34. Rc1 Qh3) 34... Nxd1 35. Bxd1 Qxh2 36. Bf3 Bxf3 37. d4 a4?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Rxc3. } (37... Rxc3 38. bxc3 Re8 39. Ka1 Re1#) 38. b3 axb3 39. Kc1 Ra1# { Black wins by checkmate. } 0-1