lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/Gm6hkWNi"] [Date "2021.02.23"] [Round "-"] [White "Ionut2012"] [Black "rusudavidpetrisor"] [Result "0-1"] [UTCDate "2021.02.23"] [UTCTime "17:31:37"] [WhiteElo "1193"] [BlackElo "1568"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+3"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A41"] [Opening "Queen's Pawn"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 d6?! { (0.15 → 0.90) Inaccuracy. Best move was d5. } { A41 Queen's Pawn } (1... d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Bg5 O-O 6. e3) 2. e3?! { (0.90 → 0.29) Inaccuracy. Best move was e4. } (2. e4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Bd6 7. Be3 Be6 8. Ng5 Ke7) 2... a6?! { (0.29 → 1.19) Inaccuracy. Best move was Nd7. } (2... Nd7 3. c4 e5 4. Nc3 g6 5. Nf3 Bg7 6. Be2 Ne7 7. e4 exd4 8. Nxd4 O-O 9. O-O) 3. a4? { (1.19 → -0.22) Mistake. Best move was Nf3. } (3. Nf3 Nf6 4. c4 Nbd7 5. Nc3 e5 6. Be2 c6 7. e4 Be7 8. O-O b5 9. a3 O-O) 3... Qd7? { (-0.22 → 1.05) Mistake. Best move was Nf6. } (3... Nf6) 4. Ra3? { (1.05 → -0.33) Mistake. Best move was Nf3. } (4. Nf3 Nf6) 4... b5? { (-0.33 → 1.69) Mistake. Best move was e5. } (4... e5) 5. axb5 e5?! { (1.38 → 2.07) Inaccuracy. Best move was Nf6. } (5... Nf6) 6. d5 Bb7 7. bxa6 Bxa6 8. Bxa6? { (2.38 → 1.23) Mistake. Best move was b4. } (8. b4) 8... Nxa6?! { (1.23 → 1.92) Inaccuracy. Best move was Rxa6. } (8... Rxa6 9. c4 Rxa3 10. Nxa3 c6 11. Ne2 cxd5 12. cxd5 Be7 13. O-O Nf6 14. Nc3 Na6 15. Qe2) 9. Qd3 Qc8 10. Qb3? { (2.50 → 1.18) Mistake. Best move was Qb5+. } (10. Qb5+ c6) 10... Nc5 11. Qb5+ Nd7 12. Rxa8?! { (1.88 → 1.16) Inaccuracy. Best move was Ne2. } (12. Ne2) 12... Qxa8 13. Qb3? { (1.64 → 0.51) Mistake. Best move was Ne2. } (13. Ne2) 13... Qa1?! { (0.51 → 1.23) Inaccuracy. Best move was Ngf6. } (13... Ngf6 14. Nc3) 14. Qa3 Qxb1 15. b4?? { (1.07 → -5.59) Blunder. Best move was Kd1. } (15. Kd1 Ngf6 16. Ne2 Nxd5 17. Qa8+ Ke7 18. Qxd5 Qa1 19. Qb7 Qa5 20. Nc3 Nf6 21. e4 Kd7) 15... Qxc2?! { (-5.59 → -5.06) Inaccuracy. Best move was Ngf6. } (15... Ngf6) 16. Kf1?? { (-5.06 → Mate in 1) Checkmate is now unavoidable. Best move was Ne2. } (16. Ne2 Be7 17. Qc3 Qxc3+ 18. Nxc3 f5 19. f3 Ngf6 20. Ke2 Kf7 21. Bd2 Rb8 22. Rb1 e4) 16... Ngf6? { (Mate in 1 → -7.30) Lost forced checkmate sequence. Best move was Qd1#. } (16... Qd1#) 17. e4? { (-7.30 → Mate in 1) Checkmate is now unavoidable. Best move was g3. } (17. g3 Be7 18. Qb2 Qe4 19. f3 Qxd5 20. e4 Qc4+ 21. Ne2 d5 22. Qc3 Qxc3 23. Nxc3 d4) 17... Nxe4? { (Mate in 1 → -8.83) Lost forced checkmate sequence. Best move was Qd1#. } (17... Qd1#) 18. Qe3 c5?! { (-9.06 → -8.18) Inaccuracy. Best move was Nxf2. } (18... Nxf2) 19. b5?! { (-8.18 → -8.83) Inaccuracy. Best move was dxc6. } (19. dxc6 Ndf6 20. Qe1 Nxf2 21. Qxf2 Qxc1+ 22. Qe1 Qxc6 23. h3 Be7 24. Ne2 d5 25. Kg1 O-O) 19... Be7 20. b6? { (-8.36 → -14.38) Mistake. Best move was f3. } (20. f3 Bg5) 20... Nxb6 21. Qa3? { (-9.64 → Mate in 1) Checkmate is now unavoidable. Best move was f3. } (21. f3 Nc4 22. Qxe4 Qxc1+ 23. Qe1 Qc2 24. Ne2 O-O 25. Qc1 Qd3 26. Qc3 Ne3+ 27. Kf2 Nd1+) 21... Qxf2# { Black wins by checkmate. } 0-1