lichess dev

[Event "Junior Arena"] [Site "http://chess-academy.net/97LSv55c"] [Date "2020.12.12"] [Round "-"] [White "David13"] [Black "olarudaria"] [Result "0-1"] [UTCDate "2020.12.12"] [UTCTime "09:22:26"] [WhiteElo "1271"] [BlackElo "1092"] [WhiteRatingDiff "-27"] [BlackRatingDiff "+47"] [Variant "Standard"] [TimeControl "600+4"] [ECO "C42"] [Opening "Petrov's Defense"] [Termination "Time forfeit"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Nf6?! { (0.22 → 0.73) Inaccuracy. Best move was Nc6. } { C42 Petrov's Defense } (2... Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. d3? { (0.73 → -0.52) Mistake. Best move was Nxe5. } (3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6) 3... Bd6? { (-0.52 → 0.99) Mistake. Best move was Nc6. } (3... Nc6) 4. Ng5? { (0.99 → -1.10) Mistake. Best move was d4. } (4. d4 Nxe4) 4... O-O?! { (-1.10 → -0.32) Inaccuracy. Best move was c6. } (4... c6 5. c4) 5. Nc3?! { (-0.32 → -1.04) Inaccuracy. Best move was c4. } (5. c4 c6 6. Nc3 Bc7 7. Qb3 Na6 8. Be3 Ng4 9. Nf3 Nxe3 10. fxe3 Nc5 11. Qc2 Ne6) 5... Nc6?! { (-1.04 → -0.29) Inaccuracy. Best move was c6. } (5... c6 6. Nf3) 6. Nb5?! { (-0.29 → -1.21) Inaccuracy. Best move was Be2. } (6. Be2 Nd4) 6... a6? { (-1.21 → 0.16) Mistake. Best move was Bb4+. } (6... Bb4+ 7. c3) 7. Nc3? { (0.16 → -1.10) Mistake. Best move was Nxd6. } (7. Nxd6 cxd6 8. g3 h6 9. Nf3 d5 10. exd5 Nxd5 11. Bg2 Nde7 12. O-O d5 13. Re1 f6) 7... Bb4 8. Be2 d6?! { (-1.04 → -0.29) Inaccuracy. Best move was h6. } (8... h6 9. Nf3) 9. O-O Be6? { (-0.84 → 0.39) Mistake. Best move was Bc5. } (9... Bc5 10. Nf3) 10. Qd2? { (0.39 → -0.93) Mistake. Best move was Nxe6. } (10. Nxe6) 10... Nd4?! { (-0.93 → -0.16) Inaccuracy. Best move was Bd7. } (10... Bd7) 11. h4? { (-0.16 → -1.68) Mistake. Best move was Nxe6. } (11. Nxe6 Nxe6 12. Qe3 c6 13. Qg3 Kh8 14. Bf3 Nd4 15. Bd1 Bc5 16. Bd2 Qc7 17. Ne2 Ne6) 11... Qd7? { (-1.68 → -0.13) Mistake. Best move was Bd7. } (11... Bd7) 12. a3?! { (-0.13 → -0.98) Inaccuracy. Best move was Nxe6. } (12. Nxe6 fxe6 13. Bd1 Nc6 14. Qg5 d5 15. Qg3 Kh8 16. a3 Bc5 17. Bg5 Rad8 18. h5 h6) 12... Ba5?! { (-0.98 → -0.23) Inaccuracy. Best move was Bc5. } (12... Bc5) 13. b4? { (-0.23 → -1.42) Mistake. Best move was Nxe6. } (13. Nxe6 fxe6) 13... Bb6 14. a4? { (-0.48 → -1.74) Mistake. Best move was Nxe6. } (14. Nxe6 Nxe6 15. Nd1 a5 16. Ne3 axb4 17. Qxb4 Bc5 18. Qd2 Bxe3 19. fxe3 Qe7 20. Qe1 b5) 14... c5 15. bxc5 Bxc5? { (-1.78 → -0.74) Mistake. Best move was Ba5. } (15... Ba5 16. Bd1) 16. Rb1? { (-0.74 → -1.78) Mistake. Best move was Ba3. } (16. Ba3) 16... a5? { (-1.78 → 0.13) Mistake. Best move was Nxe2+. } (16... Nxe2+ 17. Nxe2) 17. f4?? { (0.13 → -9.74) Blunder. Best move was Nxe6. } (17. Nxe6 fxe6 18. Nb5 Rac8 19. Nxd4 Bxd4 20. Qxa5 Rxc2 21. Bd1 Rc5 22. Qb4 Rc3 23. Be2 Rc2) 17... exf4?? { (-9.74 → -3.59) Blunder. Best move was Nf3+. } (17... Nf3+ 18. Kh1 Nxd2 19. Bxd2 Bg4 20. Bxg4 Nxg4 21. fxe5 dxe5 22. Nf3 Bb4 23. Nd5 Bxd2 24. Nxd2) 18. Rxf4?? { (-3.59 → -10.20) Blunder. Best move was Kh1. } (18. Kh1 Bb4 19. Bd1 h6 20. Nf3 Nxf3 21. Bxf3 Rfc8 22. Rxb4 axb4 23. Ne2 Qxa4 24. Nd4 b3) 18... Ra6?? { (-10.20 → -1.39) Blunder. Best move was Nf3+. } (18... Nf3+ 19. Kf1 Nxd2+ 20. Bxd2 Bb4 21. Nxe6 fxe6 22. Rb3 Bxc3 23. Rxc3 Qxa4 24. g3 b5 25. Rc6) 19. g3?? { (-1.39 → -10.12) Blunder. Best move was Kh1. } (19. Kh1 Bb4 20. Rxf6 Bxc3 21. Qxc3 Nxe2 22. Qe1 gxf6 23. Nxe6 fxe6 24. Qxe2 e5 25. Kg1 Rf7) 19... Nh5?? { (-10.12 → -4.09) Blunder. Best move was Nf3+. } (19... Nf3+) 20. Bxh5 h6?? { (-4.33 → 4.55) Blunder. Best move was Nf3+. } (20... Nf3+) 21. Nb5?? { (4.55 → -6.15) Blunder. Best move was Nxe6. } (21. Nxe6) 21... Qe7?? { (-6.15 → 1.29) Blunder. Best move was Nf3+. } (21... Nf3+) 22. Nxe6? { (1.29 → -1.02) Mistake. Best move was Kh1. } (22. Kh1 hxg5) 22... fxe6?? { (-1.02 → 7.61) Blunder. Best move was Nf3+. } (22... Nf3+ 23. Kg2 Nxd2 24. Nxf8 Nxb1 25. Rxf7 Qxf7 26. Bxf7+ Kxf7 27. Nd7 Bb4 28. Be3 Rc6 29. c4) 23. Qf2?? { (7.61 → 0.00) Blunder. Best move was Rxf8+. } (23. Rxf8+ Qxf8 24. Kg2 Qe7 25. c3 Nxb5 26. Rxb5 e5 27. Bg6 Kh8 28. h5 Rc6 29. Rxa5 Rc8) 23... Nxc2?? { (0.00 → 5.12) Blunder. Best move was Rxf4. } (23... Rxf4 24. Bxf4 Ne2+ 25. Bxe2 Bxf2+ 26. Kxf2 e5 27. Bd2 d5 28. Kg2 Qc5 29. c4 Rf6 30. Rf1) 24. Bf7+?? { (5.12 → -2.54) Blunder. Best move was d4. } (24. d4) 24... Kh7?? { (-2.54 → 3.37) Blunder. Best move was Rxf7. } (24... Rxf7 25. d4) 25. Bxe6?? { (3.37 → -10.49) Blunder. Best move was d4. } (25. d4 Nxd4) 25... Qxe6?? { (-10.49 → 0.64) Blunder. Best move was Bxf2+. } (25... Bxf2+ 26. Kxf2 Rxf4+ 27. Bxf4 Qxe6 28. Rd1 Qb3 29. Rd2 Rc6 30. Kf1 g5 31. hxg5 hxg5 32. Bxg5) 26. Rxf8?? { (0.64 → -5.28) Blunder. Best move was d4. } (26. d4 Rxf4 27. Bxf4 Nxd4 28. Nxd4 Qxe4 29. Rd1 Rb6 30. Qe3 Qxe3+ 31. Bxe3 Rb4 32. Kf2 Rxa4) 26... g6?? { (-5.28 → 18.99) Blunder. Best move was Bxf2+. } (26... Bxf2+ 27. Rxf2 Ne1 28. Nd4 Qg4 29. Nf5 Nxd3 30. Rxb7 Nxf2 31. Bb2 Nxe4 32. Rxg7+ Qxg7 33. Bxg7) 27. Be3?? { (18.99 → 0.93) Blunder. Best move was Nd4. } (27. Nd4 b5) 27... d5?? { (0.93 → Mate in 7) Checkmate is now unavoidable. Best move was Bxe3. } (27... Bxe3 28. Rf1) 28. Qf7+?! { (Mate in 7 → 10.19) Lost forced checkmate sequence. Best move was Bxc5. } (28. Bxc5 Ra8 29. Nd4 Rxf8 30. Qxf8 Qd7 31. Be7 Qf5 32. exf5 Nxd4 33. Qf7+ Kh8 34. Bf6#) 28... Qxf7 29. Rxf7+ Kg8 30. Rf6?? { (9.84 → -2.06) Blunder. Best move was Bxc5. } (30. Bxc5 Kxf7 31. Rf1+ Rf6 32. Nd6+ Ke6 33. exd5+ Kxd5 34. Rxf6 Kxc5 35. Nxb7+ Kd4 36. Rxg6 Kxd3) 30... Rxf6?? { (-2.06 → 5.33) Blunder. Best move was Bxe3+. } (30... Bxe3+) 31. Nc7?? { (5.33 → -7.72) Blunder. Best move was Bxc5. } (31. Bxc5 dxe4 32. dxe4 Rc6 33. Bf2 Kf7 34. Rc1 Ke7 35. Rd1 Kf6 36. Rd8 Ke5 37. Re8+ Re6) 31... Rf8?? { (-7.72 → 7.68) Blunder. Best move was Nxe3. } (31... Nxe3) 32. Ne6?? { (7.68 → -5.01) Blunder. Best move was Bxc5. } (32. Bxc5 Rf3 33. Nxd5 Nb4 34. d4 Nxd5 35. exd5 Rf7 36. Rb5 Kg7 37. Rxa5 Kf6 38. Ra8 g5) 32... Bxe3+ 33. Kg2 Rf2+ 34. Kh3 Rh2+?? { (-4.81 → 5.10) Blunder. Best move was Nb4. } (34... Nb4) 35. Kxh2 Nd4? { (4.78 → 7.36) Mistake. Best move was dxe4. } (35... dxe4 36. dxe4) 36. Rxb7?? { (7.36 → 1.37) Blunder. Best move was exd5. } (36. exd5) 36... Nxe6 37. Rb8+? { (1.42 → 0.23) Mistake. Best move was exd5. } (37. exd5 Nc5 38. Re7 Bd4 39. d6 Kf8 40. Kg2 Bf6 41. Rc7 Bd4 42. Kf3 h5 43. Ra7 Be5) 37... Kf7 38. Rb7+ Kf6 39. Rb8 Bg1+?? { (-0.24 → 5.64) Blunder. Best move was dxe4. } (39... dxe4 40. dxe4 Bd2 41. Kg2 Ke5 42. Re8 h5 43. Kf3 Bb4 44. Rc8 Be7 45. Ra8 Bd8 46. Ra7) 40. Kxg1 h5? { (5.04 → 7.90) Mistake. Best move was dxe4. } (40... dxe4 41. dxe4) 41. d4? { (7.90 → 6.24) Mistake. Best move was exd5. } (41. exd5) 41... dxe4 { Black wins on time. } 0-1