[Event "2017 Summer Marathon"] [Site "https://lichess.org/Y7fMgZND"] [Date "2017.08.13"] [White "Ivannikov_Vladimir"] [Black "galbijjim"] [Result "0-1"] [UTCDate "2017.08.13"] [UTCTime "02:22:21"] [WhiteElo "2453"] [BlackElo "2712"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+8"] [BlackTitle "LM"] [Variant "Standard"] [TimeControl "180+0"] [ECO "A04"] [Opening "Zukertort Opening: Queen's Gambit Invitation"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 e6 { A04 Zukertort Opening: Queen's Gambit Invitation } 2. g3 g5?! { (-0.13 → 0.71) Inaccuracy. d5 was best. } (2... d5 3. d4 c5 4. Bg2 cxd4 5. O-O Nf6 6. Nxd4 e5 7. Nb3 Nc6 8. c4 dxc4 9. Bxc6+) 3. Bg2 g4 4. Ne5 h5 5. d4 Bg7 6. c4?! { (0.36 → -0.57) Inaccuracy. c3 was best. } (6. c3) 6... d6 7. Qa4+ c6 8. Nd3 Bxd4 9. Nc3 e5 10. O-O h4 11. e3 Bxc3 12. bxc3 hxg3?! { (-0.91 → -0.35) Inaccuracy. Qe7 was best. } (12... Qe7 13. Ba3 Nf6 14. Rad1 h3 15. Bh1 O-O 16. e4 c5 17. Qc2 Be6 18. Qd2 Nfd7 19. Nb2) 13. fxg3 Nf6?! { (-0.69 → 0.20) Inaccuracy. Qg5 was best. } (13... Qg5 14. Rf2) 14. c5 Na6?! { (0.16 → 1.25) Inaccuracy. Qe7 was best. } (14... Qe7 15. cxd6 Qxd6 16. Nb2 Qe7 17. Qb4 Nbd7 18. Qxe7+ Kxe7 19. Nc4 e4 20. Rf4 b6 21. Bxe4) 15. Bxc6+ bxc6 16. Qxc6+ Bd7 17. Qxa6 Ne4 18. Qc4? { (0.96 → -0.16) Mistake. cxd6 was best. } (18. cxd6) 18... f5?? { (-0.16 → 1.81) Blunder. Ng5 was best. } (18... Ng5 19. h4 Nf3+ 20. Rxf3 gxf3 21. Qd5 Rc8 22. cxd6 Qf6 23. Qxe5+ Qxe5 24. Nxe5 Rh5 25. Nxf3) 19. c6? { (1.81 → 0.50) Mistake. Qd5 was best. } (19. Qd5) 19... Bc8 20. Ba3?? { (0.92 → -1.27) Blunder. c7 was best. } (20. c7) 20... Qg5 21. c7? { (-0.94 → -2.58) Mistake. Rae1 was best. } (21. Rae1) 21... Qxe3+? { (-2.58 → -1.10) Mistake. Qh6 was best. } (21... Qh6 22. Rf2 Nxf2 23. Nxf2 Qxh2+ 24. Kf1 Qxg3 25. Qd5 Qf3 26. Qxf3 gxf3 27. Rd1 Ba6+ 28. Ke1) 22. Nf2?? { (-1.10 → -4.71) Blunder. Rf2 was best. } (22. Rf2 Nxf2 23. Nxf2 f4 24. Qe4 Qxe4 25. Nxe4 fxg3 26. Nxg3 Kd7 27. Rd1 Kxc7 28. Bxd6+ Kc6) 22... Rxh2?? { (-4.71 → 0.00) Blunder. Ng5 was best. } (22... Ng5 23. Qc6+ Kf7 24. Qxa8 Nf3+ 25. Qxf3 gxf3 26. Bc1 Qc5 27. Bg5 Ba6 28. c4 e4 29. c8=Q) 23. Qc6+?? { (0.00 → Mate in 11) Checkmate is now unavoidable. Qg8+ was best. } (23. Qg8+ Kd7 24. Qd8+ Kc6 25. Kxh2 Qxg3+ 26. Kh1 Qf3+ 27. Kg1 Qg3+ 28. Kh1) 23... Kf7 24. Kxh2 Qxg3+ 25. Kh1 Qh4+ 26. Kg2 Qg3+ 27. Kh1 Bb7 28. Qd7+ Kf6?? { (Mate in 6 → -5.71) Lost forced checkmate sequence. Kg6 was best. } (28... Kg6 29. Qxf5+ Kxf5 30. c8=B+ Rxc8 31. Nxe4+ Kxe4 32. Rf6 Kd3+ 33. Rf3+ Bxf3#) 29. Nxg4+ Qxg4 30. Rxf5+ Qxf5 31. Qxf5+ Kxf5 32. Rf1+ Ke6 33. Kh2? { (-5.16 → -9.57) Mistake. Rb1 was best. } (33. Rb1 Nc5+ 34. Kg1 Rg8+ 35. Kh2 Rh8+ 36. Kg3 Ne4+ 37. Kg2 Bc8 38. Rb2 Rg8+ 39. Kh1 Rg7) 33... Rh8+ 34. Kg1 Nd2 35. c8=Q+ Rxc8 36. Rf2 Rg8+ 37. Kh2 Nf3+ 38. Rxf3 Bxf3 39. Bc1 e4 40. Be3 Rg2+ 41. Kh3 a5 42. Bf4?! { (-12.76 → Mate in 18) Checkmate is now unavoidable. a4 was best. } (42. a4 Ra2) 42... Rxa2 43. Bg3 d5 44. Kh4?! { (-57.98 → Mate in 11) Checkmate is now unavoidable. Bc7 was best. } (44. Bc7) 44... a4 45. Bf4 a3 46. Kg5 Rc2 47. Be3 a2 48. Bd4 a1=Q 49. c4 Qxd4 50. Kg6 Rg2+ 51. Kh7 Qg7# { Black wins by checkmate. } 0-1