[Event "2019 Autumn Marathon"] [Site "https://lichess.org/iiygNrTF"] [Date "2019.10.26"] [White "kastaneda99"] [Black "Valera_B5"] [Result "1-0"] [UTCDate "2019.10.26"] [UTCTime "08:24:01"] [WhiteElo "2010"] [BlackElo "2682"] [WhiteRatingDiff "+15"] [BlackRatingDiff "-14"] [BlackTitle "NM"] [Variant "Standard"] [TimeControl "180+2"] [ECO "A42"] [Opening "Modern Defense: Averbakh System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 { A42 Modern Defense: Averbakh System } e5 5. d5 f5 6. Nf3?! { (0.83 → 0.25) Inaccuracy. exf5 was best. } (6. exf5 Bxf5 7. Nge2 Nf6 8. Ng3 O-O 9. Bd3 Qd7 10. Bg5 Na6) 6... Nf6 7. Bd3 O-O 8. Bg5 Na6 9. O-O h6 10. Bxf6 Qxf6 11. a3 Nc5 12. Bc2 a5 13. Nd2 f4 14. f3?! { (0.11 → -0.46) Inaccuracy. b4 was best. } (14. b4 Nd7 15. Nb5 Qd8 16. Bd3 b6 17. Qc2 Rf7 18. Rfc1 h5 19. Be2 Bb7 20. h3 Rf8) 14... g5 15. b4 Nd7 16. bxa5?! { (-0.04 → -0.74) Inaccuracy. Bb3 was best. } (16. Bb3 Qe7) 16... Nc5 17. Nb5 Rf7 18. Nb3 Nxb3 19. Bxb3 Rxa5 20. Qe1 b6 21. a4 Kh8?! { (-0.32 → 0.48) Inaccuracy. Ra6 was best. } (21... Ra6 22. a5) 22. c5 Rxb5?? { (0.72 → 2.72) Blunder. Qd8 was best. } (22... Qd8 23. cxb6 cxb6 24. Qc3 Bf8 25. Rfc1 Ba6 26. Bc4 h5 27. Be2 Rg7 28. h3 Kg8 29. Rc2) 23. axb5 bxc5 24. Ra8 Rf8 25. Qa5 Qe7? { (3.15 → 5.30) Mistake. Qd8 was best. } (25... Qd8 26. Qa7) 26. Qa7?! { (5.30 → 4.19) Inaccuracy. Ra7 was best. } (26. Ra7 g4) 26... g4?! { (4.19 → 5.69) Inaccuracy. Qd8 was best. } (26... Qd8 27. Bc4) 27. b6 g3?! { (5.21 → 8.12) Inaccuracy. gxf3 was best. } (27... gxf3 28. Rxc8) 28. b7 Qh4 29. h3 Bxh3 30. Rxf8+ Bxf8 31. b8=Q Bc8 32. Rd1 Qh2+ 33. Kf1 Qh1+ 34. Ke2 Qxg2+ 35. Kd3 Qxf3+ 36. Kc2 Qxe4+ 37. Kb2 Qf5 38. Qaxc7 Ba6 39. Qcd8 Kg8 40. Qbc7 f3 41. Qcxd6 f2?! { (21.37 → Mate in 8) Checkmate is now unavoidable. c4 was best. } (41... c4 42. Bc2) 42. Qe6+ Qf7 43. Qxf7+ Kxf7 44. d6+ c4 45. Bxc4+ Bxc4 46. Qc7+ Kg6 47. Qxc4 Bg7 48. d7 { Black resigns. } 1-0