[Event "23rd OCT Classical Marathon Team Battle"] [Site "https://lichess.org/tonjydEp"] [Date "2023.10.15"] [White "m_azam_f"] [Black "Alexey_Porshakov"] [Result "0-1"] [UTCDate "2023.10.15"] [UTCTime "10:14:05"] [WhiteElo "1752"] [BlackElo "1904"] [WhiteRatingDiff "-9"] [BlackRatingDiff "+32"] [Variant "Standard"] [TimeControl "1800+0"] [ECO "A46"] [Opening "Indian Defense: London System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 e6 3. Bf4 { A46 Indian Defense: London System } b6 4. e3 Bb7 5. Nbd2 c5 6. c3 d5 7. Bb5+ Nbd7 8. Ne5 a6 9. Bc6 Qc8?! { (-0.03 → 0.60) Inaccuracy. Bxc6 was best. } (9... Bxc6 10. Nxc6) 10. Bxd7+?! { (0.60 → -0.06) Inaccuracy. Ba4 was best. } (10. Ba4 b5 11. Bc2 Nxe5 12. Bxe5 a5 13. O-O Nd7 14. Bf4 a4 15. a3 Be7 16. Qg4 g5) 10... Nxd7 11. Ndf3 Nxe5 12. Nxe5 Be7 13. Qh5 O-O 14. Qg4 Bf6 15. h4 Bxe5 16. Bxe5 f6 17. Bf4 Qe8 18. h5 e5 19. h6 Rf7 20. dxe5 fxe5 21. Bg5 Bc8?! { (0.03 → 0.81) Inaccuracy. d4 was best. } (21... d4) 22. Qh4 g6?! { (0.48 → 1.10) Inaccuracy. Qb5 was best. } (22... Qb5 23. Rd1 Qxb2 24. O-O Qxa2 25. e4 d4 26. f4 exf4 27. cxd4 cxd4 28. Rxf4 Be6 29. Qg3) 23. Bf6?! { (1.10 → 0.30) Inaccuracy. O-O was best. } (23. O-O a5 24. Rfd1 Bb7 25. Rd2 b5 26. Rc1 Rc8 27. b3 c4 28. e4 cxb3 29. axb3 d4) 23... Bf5 24. Bg7?! { (0.41 → -0.19) Inaccuracy. O-O was best. } (24. O-O) 24... Qb5 25. O-O-O?! { (0.00 → -0.56) Inaccuracy. Rd1 was best. } (25. Rd1 d4 26. b3 Qa5 27. O-O Bc2 28. Ra1 d3 29. Qe4 Rd8 30. c4 b5 31. Qxe5 bxc4) 25... Qe2?? { (-0.56 → 1.77) Blunder. d4 was best. } (25... d4 26. Bxe5) 26. Rxd5?? { (1.77 → Mate in 1) Checkmate is now unavoidable. Rd2 was best. } (26. Rd2) 26... Qc2# { Black wins by checkmate. } 0-1