lichess dev

[Event "Iustina Arena"] [Site "http://chess-academy.net/5a3RbJYH"] [Date "2020.10.02"] [Round "-"] [White "AlexandraNiculae"] [Black "dragutraisa"] [Result "0-1"] [UTCDate "2020.10.02"] [UTCTime "17:01:50"] [WhiteElo "1307"] [BlackElo "1868"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+2"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 d5 2. Nc3?! { (0.53 → -0.15) Inaccuracy. Best move was c4. } { D00 Queen's Pawn Game: Chigorin Variation } (2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. e3 O-O 6. Be2 Nbd7) 2... Nc6?! { (-0.15 → 0.56) Inaccuracy. Best move was Nf6. } (2... Nf6 3. Bf4 e6 4. e3 Bb4 5. Ne2 O-O 6. g3 c5 7. a3) 3. e3?! { (0.56 → -0.30) Inaccuracy. Best move was e4. } (3. e4 dxe4 4. d5 Nb8 5. Bc4 Nf6 6. Nge2 e6 7. Bg5 Be7) 3... e6?! { (-0.30 → 0.28) Inaccuracy. Best move was Nf6. } (3... Nf6 4. Nf3 Bg4 5. Be2 e6 6. h3 Bh5 7. O-O a6 8. b3) 4. Qh5? { (0.28 → -1.00) Mistake. Best move was Nf3. } (4. Nf3 Nf6 5. Bd3 Nb4 6. O-O Nxd3 7. cxd3 Be7 8. e4 O-O 9. Bg5 h6 10. Bh4 b6) 4... g6? { (-1.00 → 0.04) Mistake. Best move was Nf6. } (4... Nf6 5. Qd1) 5. Qf3? { (0.04 → -1.14) Mistake. Best move was Qe2. } (5. Qe2 Nf6 6. Bd2 Bg7 7. f4 Ne7 8. O-O-O c6 9. Nf3 b5 10. Kb1 b4 11. Na4 a5) 5... e5? { (-1.14 → 1.10) Mistake. Best move was Bg7. } (5... Bg7 6. Bb5 Ne7 7. Nge2 O-O 8. O-O Nb4 9. Ba4 Bd7 10. Bb3 Na6 11. e4 c5 12. exd5) 6. Qg3? { (1.10 → -1.66) Mistake. Best move was Qxd5. } (6. Qxd5 exd4 7. Bb5 Qxd5 8. Nxd5 Bd6 9. exd4 Be6 10. Nf4 Bd7 11. c3 O-O-O 12. Nfe2 a6) 6... exd4 7. exd4?! { (-1.20 → -2.07) Inaccuracy. Best move was Nb5. } (7. Nb5 Bb4+ 8. Kd1 Nf6 9. Qxc7 Ne4 10. Qxd8+ Kxd8 11. Ke2 Re8 12. f3 Nd6 13. a3 Bc5) 7... Nxd4 8. Nxd5?? { (-1.57 → -11.66) Blunder. Best move was Bd3. } (8. Bd3 Ne6) 8... Nxc2+ 9. Ke2 Qxd5 10. Qb3 Qe5+ 11. Kd3?! { (-12.12 → Mate in 2) Checkmate is now unavoidable. Best move was Kd1. } (11. Kd1 Nxa1 12. Qb5+ Qxb5 13. Bxb5+ c6 14. Bd3 Be6 15. b3 Bg7 16. Nh3 O-O-O 17. Ke2 Bxh3) 11... Bf5+ 12. Kc4 Be6+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qc5#. } (12... Qc5#) 13. Kd3 Bxb3?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Bf5+. } (13... Bf5+ 14. Kd2 Qe1#) 14. axb3 Nxa1?! { (Mate in 3 → Mate in 6) Not the best checkmate sequence. Best move was Nb4+. } (14... Nb4+ 15. Kd2 Rd8+ 16. Bd3 Rxd3#) 15. Be2 Nxb3?! { (Mate in 2 → -36.14) Lost forced checkmate sequence. Best move was O-O-O+. } (15... O-O-O+ 16. Kc4 b5#) 16. Nf3?! { (-36.14 → Mate in 6) Checkmate is now unavoidable. Best move was Kc2. } (16. Kc2 Nxc1) 16... Nxc1+ 17. Kc4 Qxe2+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was b5#. } (17... b5#) 18. Kc3 Na2+?! { (Mate in 1 → Mate in 6) Not the best checkmate sequence. Best move was Qd3#. } (18... Qd3#) 19. Kb3 Qe6+ 20. Ka4 c6?! { (Mate in 2 → Mate in 6) Not the best checkmate sequence. Best move was Qc4+. } (20... Qc4+ 21. b4 Qxb4#) 21. Ng5 Qg4+?! { (Mate in 2 → Mate in 6) Not the best checkmate sequence. Best move was Qc4+. } (21... Qc4+ 22. b4 Qxb4#) 22. Ne4 Qxe4+?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was b5+. } (22... b5+ 23. Kb3 Qe6+ 24. Kc2 Qxe4+ 25. Kd1 Rd8#) 23. b4 Qxb4# { Black wins by checkmate. } 0-1