lichess dev

[Event "Black12 Arena"] [Site "http://chess-academy.net/HPFdXU2O"] [Date "2026.03.26"] [Round "-"] [White "MaximBasac"] [Black "TihonConstantin"] [Result "1-0"] [UTCDate "2026.03.26"] [UTCTime "17:36:32"] [WhiteElo "1640"] [BlackElo "1503"] [WhiteRatingDiff "+10"] [BlackRatingDiff "-8"] [Variant "Standard"] [TimeControl "420+0"] [ECO "C42"] [Opening "Petrov's Defense #4"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Nf6?! { (0.22 → 0.73) Inaccuracy. Best move was Nc6. } (2... Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. Nxe5 d6 4. Nf3 { C42 Petrov's Defense #4 } Ng4? { (0.54 → 2.85) Mistake. Best move was Nxe4. } (4... Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. c4 Nb4 9. cxd5) 5. h3?! { (2.85 → 2.02) Inaccuracy. Best move was d4. } (5. d4 c5 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. O-O Nc6 9. h3 Nf6 10. Nc3 Be7 11. Be3 cxd4) 5... Ne5 6. d4 Nxf3+ 7. Qxf3 Nc6?! { (2.24 → 3.02) Inaccuracy. Best move was Be7. } (7... Be7 8. Nc3) 8. Bc4? { (3.02 → 1.71) Mistake. Best move was Be3. } (8. Be3 Be7) 8... Be6 9. Bxe6?! { (2.21 → 1.66) Inaccuracy. Best move was d5. } (9. d5 Ne5 10. Qb3 Bd7 11. Be2 g5 12. Be3 Bg7 13. Nc3 O-O 14. O-O-O a6 15. g3 b5) 9... fxe6 10. Nc3? { (2.07 → 0.36) Mistake. Best move was c3. } (10. c3 Qf6 11. Qh5+ Qf7 12. Qxf7+ Kxf7 13. Be3 Be7 14. Nd2 d5 15. O-O Rae8 16. f4 h5) 10... Nb4?? { (0.36 → 4.29) Blunder. Best move was Nxd4. } (10... Nxd4) 11. Qe2? { (4.29 → 2.27) Mistake. Best move was Qh5+. } (11. Qh5+ g6) 11... Nc6?! { (2.27 → 3.05) Inaccuracy. Best move was Qd7. } (11... Qd7 12. a3 Nc6 13. d5 Nd4 14. Qd3 e5 15. Be3 Be7 16. O-O-O O-O 17. Rhf1 Rab8 18. f4) 12. Be3 Qf6? { (2.51 → 3.80) Mistake. Best move was Qd7. } (12... Qd7 13. O-O-O) 13. O-O-O Nxd4?? { (3.45 → 7.00) Blunder. Best move was a6. } (13... a6 14. d5) 14. Bxd4 Qf4+ 15. Be3 Qf7 16. Bg5? { (6.72 → 5.59) Mistake. Best move was f4. } (16. f4 c6 17. Rhf1 Be7 18. Kb1 O-O 19. g4 b6 20. f5 exf5 21. exf5 h6 22. g5 hxg5) 16... Be7 17. Bxe7?! { (5.83 → 5.19) Inaccuracy. Best move was Be3. } (17. Be3 Bf6) 17... Qxe7 18. Qh5+ g6 19. Qf3?! { (5.96 → 4.99) Inaccuracy. Best move was Qb5+. } (19. Qb5+ c6 20. Qa4 O-O 21. f3 d5 22. h4 h5 23. Kb1 Qc5 24. Ne2 Qe3 25. Nd4 Rfe8) 19... Rf8 20. Qe3 O-O-O? { (5.18 → 6.69) Mistake. Best move was b6. } (20... b6 21. f4 c6 22. g4 O-O-O 23. Rhf1 Rf7 24. Kb1 d5 25. a3 Kb7 26. Qd3 Qc7 27. exd5) 21. Nb5? { (6.69 → 4.92) Mistake. Best move was Qxa7. } (21. Qxa7 Qg5+ 22. Rd2 Qc5 23. Qxc5 dxc5 24. f3 Rd4 25. Rhd1 Rfd8 26. Nb5 Rxd2 27. Rxd2 Rd7) 21... a6 22. Na7+?? { (5.37 → 0.90) Blunder. Best move was Nc3. } (22. Nc3) 22... Kd7?? { (0.90 → 4.05) Blunder. Best move was Kb8. } (22... Kb8 23. Rd2 c5 24. Rhd1 Qc7 25. c4 Kxa7 26. e5 dxe5 27. Rxd8 Rxd8 28. Rxd8 Qxd8 29. Qxc5+) 23. e5 Ra8?? { (3.88 → 8.01) Blunder. Best move was d5. } (23... d5) 24. exd6 cxd6 25. Rhe1?? { (7.99 → 4.21) Blunder. Best move was Qb6. } (25. Qb6 Rab8) 25... Rxa7?? { (4.21 → 9.12) Blunder. Best move was Kc7. } (25... Kc7 26. Re2) 26. Qxa7 e5?! { (9.06 → 10.54) Inaccuracy. Best move was Ke8. } (26... Ke8) 27. Qxb7+ Ke8 28. Qxe7+? { (13.70 → 8.93) Mistake. Best move was Qc6+. } (28. Qc6+) 28... Kxe7 29. Rd2 h5? { (8.40 → 9.56) Mistake. Best move was Rf4. } (29... Rf4) 30. g4?! { (9.56 → 8.58) Inaccuracy. Best move was Re3. } (30. Re3) 30... hxg4?! { (8.58 → 9.14) Inaccuracy. Best move was Ke6. } (30... Ke6) 31. hxg4 a5 32. c3?! { (9.22 → 8.36) Inaccuracy. Best move was Red1. } (32. Red1) 32... Ke6? { (8.36 → 9.46) Mistake. Best move was a4. } (32... a4 33. Red1 a3 34. bxa3 Rd8 35. Rd5 Rc8 36. Kb2 Rc4 37. R5d2 Rc6 38. a4 Ra6 39. Ka3) 33. b4? { (9.46 → 8.31) Mistake. Best move was Red1. } (33. Red1 Rd8 34. Rd5 a4 35. Ra5 a3 36. Rxa3 Kd7 37. Ra5 Ke6 38. Ra7 Rd7 39. Ra6 Ke7) 33... axb4? { (8.31 → 9.71) Mistake. Best move was d5. } (33... d5 34. bxa5 Rc8 35. Rb2 e4 36. Kb1 Ke5 37. Rb5 Kf4 38. Kb2 Rc6 39. Rxd5 Kxg4 40. Rd4) 34. cxb4 Rb8? { (8.63 → 9.64) Mistake. Best move was Kd7. } (34... Kd7 35. Rxe5) 35. Rb2 d5?! { (9.19 → 12.12) Inaccuracy. Best move was Kd7. } (35... Kd7 36. b5) 36. a4 e4 37. a5 Ke5 38. a6 Ra8 39. Ra2 Rb8 40. a7 Ra8 41. b5 { Black resigns. } 1-0