lichess dev

[Event "Academy Teachers Arena"] [Site "http://chess-academy.net/v5RPywfV"] [Date "2019.12.10"] [Round "-"] [White "P_S537"] [Black "N_Ciugureanu"] [Result "0-1"] [UTCDate "2019.12.10"] [UTCTime "19:03:49"] [WhiteElo "1500"] [BlackElo "1381"] [WhiteRatingDiff "-242"] [BlackRatingDiff "+21"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Mikenas Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 Nc6?! { (0.15 → 0.67) Inaccuracy. Best move was d5. } { A40 Mikenas Defense } (1... d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Bg5 O-O 6. e3) 2. Bg5?! { (0.67 → -0.21) Inaccuracy. Best move was d5. } (2. d5 Ne5 3. f4 Ng6 4. Nc3 e6 5. dxe6 fxe6 6. h4 Bb4) 2... Nf6?! { (-0.21 → 0.74) Inaccuracy. Best move was f6. } (2... f6 3. Bc1 d5 4. e3 e5 5. Nf3 Be6 6. Be2 Qd7 7. O-O) 3. Nf3?! { (0.74 → 0.13) Inaccuracy. Best move was Nc3. } (3. Nc3) 3... d5 4. h4?! { (0.38 → -0.43) Inaccuracy. Best move was e3. } (4. e3 Ne4) 4... e6?! { (-0.43 → 0.54) Inaccuracy. Best move was Bf5. } (4... Bf5) 5. c3? { (0.54 → -0.50) Mistake. Best move was Nc3. } (5. Nc3 h6 6. Bxf6 Qxf6 7. Qd2 Bd7 8. e4 Bb4 9. e5 Bxc3 10. Qxc3 Qf4 11. Qd2 Qxd2+) 5... Bd6?! { (-0.50 → 0.29) Inaccuracy. Best move was h6. } (5... h6) 6. h5? { (0.29 → -0.74) Mistake. Best move was Nbd2. } (6. Nbd2 e5) 6... O-O? { (-0.74 → 1.06) Mistake. Best move was h6. } (6... h6 7. Bh4) 7. g4? { (1.06 → -1.19) Mistake. Best move was h6. } (7. h6 g6 8. c4 Be7 9. e3 Ng4 10. Bxe7 Qxe7 11. Nc3 Rd8 12. Nd2 Qg5 13. a3 a6) 7... h6 8. Na3?? { (-1.01 → -6.56) Blunder. Best move was Bh4. } (8. Bh4 e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. g5 hxg5 12. Bxg5 Qd6 13. h6 g6 14. Nd2 Nh7) 8... hxg5 9. Nxg5? { (-5.77 → -7.78) Mistake. Best move was Qc1. } (9. Qc1) 9... Bf4? { (-7.78 → -4.91) Mistake. Best move was Nxg4. } (9... Nxg4 10. Nh3 e5 11. Nc2 exd4 12. Nxd4 Re8 13. h6 Nxh6 14. Nxc6 bxc6 15. Qa4 Ng4 16. O-O-O) 10. Qd3?? { (-4.91 → -10.50) Blunder. Best move was Nh3. } (10. Nh3) 10... Bxg5 11. Bg2 e5 12. dxe5 Nxe5 13. c4 Nxd3+ 14. exd3 dxc4 15. dxc4?! { (-23.08 → Mate in 3) Checkmate is now unavoidable. Best move was O-O. } (15. O-O cxd3) 15... Qe7+?! { (Mate in 3 → -22.72) Lost forced checkmate sequence. Best move was Qd2+. } (15... Qd2+ 16. Kf1 Nxg4 17. Rb1 Qxf2#) 16. Kd1?! { (-22.72 → Mate in 6) Checkmate is now unavoidable. Best move was Kf1. } (16. Kf1 Qb4 17. Rh3 Nxg4 18. Kg1 Qxb2 19. Rf1 Ne3 20. Rxe3 Bxe3 21. fxe3 Qxa3 22. e4 Qxa2) 16... Ne4?! { (Mate in 6 → -26.76) Lost forced checkmate sequence. Best move was Rd8+. } (16... Rd8+ 17. Kc2 Rd2+ 18. Kc3 Ne4+ 19. Kb3 a5 20. c5 a4+ 21. Kc4 Qxc5#) 17. Bxe4?! { (-26.76 → Mate in 3) Checkmate is now unavoidable. Best move was Kc2. } (17. Kc2 Nxf2) 17... Qxe4 18. Rf1 Bxg4+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Rd8#. } (18... Rd8#) 19. f3 Bxf3+?! { (Mate in 1 → Mate in 3) Not the best checkmate sequence. Best move was Rfd8#. } (19... Rfd8#) 20. Rxf3 Qxf3+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Rfd8+. } (20... Rfd8+ 21. Rd3 Qxd3+ 22. Ke1 Bh4#) 21. Kc2 Qxh5?! { (Mate in 3 → -70.23) Lost forced checkmate sequence. Best move was Rfd8. } (21... Rfd8 22. b3 Qe2+ 23. Kc3 Qd2#) 22. Re1?! { (-70.23 → Mate in 8) Checkmate is now unavoidable. Best move was Kb3. } (22. Kb3 Rae8 23. Nb5 Re3+ 24. Nc3 Qe2 25. Rg1 Bf6 26. Rc1 Rd8 27. Rc2 Qd3 28. a3 Rd4) 22... Rae8 23. Rd1 Qe2+ 24. Rd2 Qe3?! { (Mate in 5 → Mate in 7) Not the best checkmate sequence. Best move was Qxd2+. } (24... Qxd2+ 25. Kb3 Re3+ 26. Ka4 c5 27. Nc2 Qd7+ 28. Ka5 Bd8#) 25. Rd5 c6 26. b3 Rd8?! { (Mate in 2 → Mate in 5) Not the best checkmate sequence. Best move was Qc1+. } (26... Qc1+ 27. Kd3 Qd2#) 27. Rxg5 Qxg5?! { (Mate in 2 → Mate in 5) Not the best checkmate sequence. Best move was Qe2+. } (27... Qe2+ 28. Kc3 Qd2#) 28. b4 Qd2+ 29. Kb3 b5?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Rd3+. } (29... Rd3+ 30. Ka4 Qxa2 31. Ka5 Qxa3#) 30. cxb5 cxb5?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Rd3+. } (30... Rd3+ 31. Ka4 Qd1+ 32. Nc2 Qxc2+ 33. Ka5 Qxa2#) 31. Nxb5 Rd3+ 32. Kc4 Qc2+ 33. Nc3 Qxc3+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Rb8. } (33... Rb8 34. a4 Qxc3#) 34. Kb5 Rb8+ 35. Ka6 Qa3# { Black wins by checkmate. } 0-1