[Event "Rated classical game"] [Site "https://lichess.org/ip0SJIup"] [Date "2018.11.20"] [White "pjroth135"] [Black "Kovalenko_Sergey"] [Result "0-1"] [UTCDate "2018.11.20"] [UTCTime "18:41:13"] [WhiteElo "1429"] [BlackElo "1353"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+146"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "A45"] [Opening "Indian Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 { A45 Indian Defense } 2. Bf4 e6 3. a3 d5 4. Nc3 Be7 5. Nb5 Na6 6. b4?! { (-0.08 → -0.86) Inaccuracy. e3 was best. } (6. e3 O-O 7. Nf3 c5 8. c4 Bd7 9. Nc3 Bc6 10. Ne5 Rc8) 6... O-O 7. Nc3 c6 8. e3 Nc7?! { (-1.36 → -0.72) Inaccuracy. Nxb4 was best. } (8... Nxb4 9. Nf3 Na6 10. Bxa6 Qa5 11. O-O Qxa6 12. Bg5 Qa5 13. Qd2 b6 14. Ne5 Bb7 15. Rfb1) 9. b5?! { (-0.72 → -1.87) Inaccuracy. Bd3 was best. } (9. Bd3 a5 10. Nge2 axb4 11. axb4 Bxb4 12. O-O b5 13. Qb1 Rxa1 14. Qxa1 Bd6 15. Qa7 Bxf4) 9... cxb5 10. Bxb5?? { (-1.57 → -5.50) Blunder. Bd3 was best. } (10. Bd3 Bd7 11. Qb1 a6 12. Nf3 Nce8 13. O-O Nd6 14. Ne2 Nc4 15. Bxc4 dxc4 16. c3 Qe8) 10... Nxb5 11. Nxb5 Qa5+ 12. Nc3 Qxc3+ 13. Kf1 b6 14. Ne2 Ba6 15. f3 Rac8 16. Ra2 Qc4 17. Rb2 Bxa3 18. Rb1?! { (-6.83 → -11.25) Inaccuracy. Rb3 was best. } (18. Rb3 Qxc2 19. Qxc2 Rxc2 20. Rxa3 Bxe2+ 21. Kf2 Bb5+ 22. Kg3 Nh5+ 23. Kg4 Nxf4 24. Kxf4 Rxg2) 18... Qxc2 19. Qxc2 Rxc2 20. Kf2 Rxe2+ 21. Kg3 Nh5+ 22. Kh3 Nxf4+ 23. exf4 Bd6 24. g3 Bd3 25. Rb3 Bf5+ 26. Kh4?! { (-13.16 → Mate in 5) Checkmate is now unavoidable. g4 was best. } (26. g4 Bc2) 26... Be7+ 27. Kh5 h6 28. g4 Bg6# { Black wins by checkmate. } 0-1