[Event "2021 Spring Marathon"] [Site "https://lichess.org/18lZI9nP"] [Date "2021.04.10"] [White "asdf5656"] [Black "Joseph_Koba"] [Result "1-0"] [UTCDate "2021.04.10"] [UTCTime "16:09:02"] [WhiteElo "1537"] [BlackElo "1948"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "300+0"] [ECO "B00"] [Opening "Owen Defense"] [Termination "Time forfeit"] [Annotator "lichess.org"] 1. e4 b6?! { (0.24 → 0.97) Inaccuracy. e5 was best. } { B00 Owen Defense } (1... e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5) 2. d4 Bb7 3. Bd3 e6 4. Nc3 Nf6 5. Nf3 Bb4 6. a3?? { (0.79 → -1.15) Blunder. Nd2 was best. } (6. Nd2 c5 7. dxc5 Nc6 8. cxb6 axb6 9. O-O O-O 10. Nf3 Bxc3) 6... Bxc3+ 7. bxc3 Qe7?? { (-0.75 → 1.25) Blunder. Bxe4 was best. } (7... Bxe4 8. Bxe4 Nxe4 9. O-O d5 10. Qd3 O-O 11. Re1 c5 12. c4) 8. Bg5?! { (1.25 → 0.42) Inaccuracy. Qe2 was best. } (8. Qe2 c5 9. c4 d6 10. d5 O-O 11. O-O b5 12. cxb5 exd5 13. exd5 Qxe2 14. Bxe2 Re8) 8... h6 9. Bh4 g5 10. Bg3?! { (-0.23 → -1.09) Inaccuracy. Nxg5 was best. } (10. Nxg5 hxg5 11. Bxg5 d6 12. Bb5+ c6 13. Qf3 Rh6 14. Bxh6 cxb5 15. Bg5 Nbd7 16. Qh3 O-O-O) 10... Nc6?? { (-1.09 → 0.59) Blunder. Nxe4 was best. } (10... Nxe4 11. Bxe4 Bxe4 12. Qe2 d5 13. h4 g4 14. Ne5 Bxg2 15. Rg1 Bf3 16. Qb5+ Kd8 17. a4) 11. Bxc7 Rc8?? { (0.13 → 1.86) Blunder. d6 was best. } (11... d6 12. Bxd6 Qxd6 13. e5 Qd5 14. exf6 g4 15. Nd2 Qxg2 16. Rf1 O-O-O 17. f4 Na5 18. Qe2) 12. Bg3 Na5 13. Qd2?? { (1.52 → -1.87) Blunder. Nd2 was best. } (13. Nd2 d5) 13... Bxe4? { (-1.87 → -0.47) Mistake. Nxe4 was best. } (13... Nxe4) 14. Bxe4?? { (-0.47 → -2.46) Blunder. Ba6 was best. } (14. Ba6 Bb7 15. Bxb7 Nxb7 16. Qd3 d5 17. Ne5 O-O 18. c4 Nd6 19. cxd5 exd5 20. O-O Nde4) 14... Nxe4 15. Qd3 Nxc3 16. Qa6 Rc7?? { (-2.65 → 6.41) Blunder. O-O was best. } (16... O-O 17. h4 Nc4 18. hxg5 hxg5 19. Ne5 d5 20. f3 Kg7 21. Kf1 Ne3+ 22. Kf2 Nf5 23. Qd3) 17. Bxc7 Nd5?? { (6.53 → Mate in 2) Checkmate is now unavoidable. O-O was best. } (17... O-O 18. Qxa7) 18. Qc8+ { Black left the game. } 1-0