lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/rYbt1EWO"] [Date "2021.01.07"] [Round "-"] [White "Ioana22472"] [Black "Stefanos"] [Result "1-0"] [UTCDate "2021.01.07"] [UTCTime "17:10:16"] [WhiteElo "1133"] [BlackElo "1451"] [WhiteRatingDiff "+37"] [BlackRatingDiff "-20"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Time forfeit"] [Annotator "chess-academy.net"] 1. d4 e6 { A40 Horwitz Defense } 2. Nc3?! { (0.38 → -0.40) Inaccuracy. Best move was e4. } (2. e4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 c5 6. O-O c4) 2... Bb4?! { (-0.40 → 0.30) Inaccuracy. Best move was d5. } (2... d5) 3. e3?! { (0.30 → -0.42) Inaccuracy. Best move was e4. } (3. e4 d5) 3... Bxc3+?! { (-0.42 → 0.56) Inaccuracy. Best move was Nf6. } (3... Nf6) 4. Ke2?? { (0.56 → -5.43) Blunder. Best move was bxc3. } (4. bxc3 Nf6) 4... Ba5 5. c3?! { (-5.00 → -5.64) Inaccuracy. Best move was f3. } (5. f3 d5 6. Kf2 c5 7. dxc5 Nf6 8. Bd2 O-O 9. b4 Bc7 10. h4 a5 11. c3 e5) 5... Qh4? { (-5.64 → -4.47) Mistake. Best move was d5. } (5... d5 6. f3) 6. g3 Qh6?! { (-4.62 → -3.79) Inaccuracy. Best move was Qe7. } (6... Qe7 7. Kf3) 7. Ke1?! { (-3.79 → -4.34) Inaccuracy. Best move was Bg2. } (7. Bg2 Bb6) 7... Qf6 8. f4?! { (-3.82 → -4.43) Inaccuracy. Best move was Bd3. } (8. Bd3 e5 9. Kf1 Bb6 10. a4 a5 11. Nf3 d6 12. h3 Qe7 13. e4 exd4 14. Nxd4 h6) 8... b5? { (-4.43 → -3.31) Mistake. Best move was Qe7. } (8... Qe7 9. Nf3) 9. Qd3? { (-3.31 → -4.79) Mistake. Best move was Bxb5. } (9. Bxb5 Bb7) 9... b4?! { (-4.79 → -3.96) Inaccuracy. Best move was Bb7. } (9... Bb7 10. e4 b4 11. Bg2 bxc3 12. bxc3 Ba6 13. Qe3 Qd8 14. h3 Ne7 15. Kf2 O-O 16. Nf3) 10. Ke2? { (-3.96 → -5.83) Mistake. Best move was Bg2. } (10. Bg2) 10... bxc3 11. Kd1?? { (-5.32 → -10.81) Blunder. Best move was bxc3. } (11. bxc3 Qg6) 11... e5?? { (-10.81 → -5.80) Blunder. Best move was Bb7. } (11... Bb7 12. e4 Ba6 13. Qe3 Bxf1 14. Ne2 Bxe2+ 15. Kxe2 cxb2 16. Bxb2 Ne7 17. Rab1 d5 18. exd5) 12. bxc3 exd4 13. cxd4?? { (-5.69 → -10.36) Blunder. Best move was exd4. } (13. exd4 Bb7) 13... Qb6?? { (-10.36 → -4.77) Blunder. Best move was Bb7. } (13... Bb7) 14. Bb2?? { (-4.77 → -10.71) Blunder. Best move was Qe4+. } (14. Qe4+) 14... Qxb2 15. Qb1?! { (-10.20 → Mate in 1) Checkmate is now unavoidable. Best move was Rb1. } (15. Rb1) 15... Qb4? { (Mate in 1 → -9.37) Lost forced checkmate sequence. Best move was Qd2#. } (15... Qd2#) 16. e4? { (-9.37 → Mate in 1) Checkmate is now unavoidable. Best move was Qxb4. } (16. Qxb4 Bxb4 17. Bg2 c6 18. Nf3 Nf6 19. Ne5 O-O 20. Rb1 Na6 21. Ke2 Be7 22. Rb3 Nc7) 16... Qe1+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qd2#. } (16... Qd2#) 17. Kc2 Qd2+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qc3+. } (17... Qc3+ 18. Kd1 Qd2#) 18. Kb3 Qc3+?! { (Mate in 3 → -24.31) Lost forced checkmate sequence. Best move was Qb4+. } (18... Qb4+ 19. Kc2 Qc3+ 20. Kd1 Qd2#) 19. Ka4 Qb4+?? { (-23.43 → -5.74) Blunder. Best move was Qxd4+. } (19... Qxd4+) 20. Qxb4 Bxb4 21. Kxb4 Na6+?! { (-5.43 → -4.74) Inaccuracy. Best move was f5. } (21... f5 22. Bg2 Bb7 23. Re1 Ne7 24. Kc3 O-O 25. Bf3 fxe4 26. Bxe4 Bxe4 27. Rxe4 Nbc6 28. Nf3) 22. Ka5 Rb8?? { (-4.99 → -1.28) Blunder. Best move was Ne7. } (22... Ne7 23. Rc1) 23. Ka4?? { (-1.28 → -6.79) Blunder. Best move was Bxa6. } (23. Bxa6 Bxa6) 23... Rb4+ 24. Ka3 { White wins on time. } 1-0