[Event "2017 Summer Marathon"] [Site "https://lichess.org/oVKEHwrz"] [Date "2017.08.13"] [White "ShahMatKanal"] [Black "opperwezen"] [Result "0-1"] [UTCDate "2017.08.13"] [UTCTime "22:11:03"] [WhiteElo "2295"] [BlackElo "2602"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+4"] [WhiteTitle "CM"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "180+0"] [ECO "A53"] [Opening "Old Indian Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 d6 { A53 Old Indian Defense } 3. Nc3 Nbd7 4. e4 e5 5. d5 a5 6. Be3 g6 7. Nf3 h5 8. Nd2?! { (0.61 → -0.46) Inaccuracy. Bd3 was best. } (8. Bd3 Bh6) 8... Ng4 9. Qe2 Nxe3 10. Qxe3 Bh6 11. Qd3 Nc5 12. Qc2 a4 13. Be2 h4 14. h3 f5 15. Bf3 O-O 16. O-O Bd7 17. Rad1 Kg7 18. b3?! { (-0.53 → -1.38) Inaccuracy. Rfe1 was best. } (18. Rfe1 Bf4 19. Kh1 Qg5 20. Kg1 Rf7 21. Kh1 Kg8 22. Nf1 Ra6 23. Qe2 Rb6 24. Kg1 fxe4) 18... axb3?! { (-1.38 → -0.60) Inaccuracy. Bxd2 was best. } (18... Bxd2 19. Rxd2 axb3 20. axb3 fxe4 21. Bxe4 Ra3 22. Re2 Rxb3 23. Re3 Qg5 24. Rfe1 Rf4 25. Bd3) 19. axb3?! { (-0.60 → -1.40) Inaccuracy. Nxb3 was best. } (19. Nxb3 Na4 20. c5 Nxc3 21. Qxc3 Bb5 22. Rfe1 Rxa2 23. Nc1 Ra4 24. exf5 gxf5 25. Qb2 Be8) 19... Bf4? { (-1.40 → 0.00) Mistake. Bxd2 was best. } (19... Bxd2 20. Rxd2 fxe4 21. Bxe4 Ra3 22. Re2 Rxb3 23. Re3 Qg5 24. Bd3 Rf4 25. Rfe1 Bf5 26. Ne4) 20. b4 Na4 21. Ne2 Bh6 22. c5 Qe7 23. Nb3 Bb5 24. Rfe1 b6?! { (0.00 → 0.78) Inaccuracy. Qf7 was best. } (24... Qf7 25. Nec1 Bg5 26. Be2 Bd7 27. Bd3 Qe7 28. Ne2 fxe4 29. Bxe4 Qf6 30. Nec1 Bb5 31. Bd3) 25. c6 Ra7?? { (0.43 → 3.73) Blunder. fxe4 was best. } (25... fxe4 26. Bxe4 Ba6 27. b5 Bc8 28. Ra1 Qf7 29. Rf1 Bf5 30. Ra2 Nc5 31. Nxc5 bxc5 32. Rxa8) 26. Ned4 exd4?! { (3.59 → 4.79) Inaccuracy. Ba6 was best. } (26... Ba6 27. exf5 Bc8 28. Nb5 Ra8 29. N3d4 Bxf5 30. Nxf5+ gxf5 31. Ra1 Qf7 32. Rxa4 Rfc8 33. Raa1) 27. Nxd4 Ba6? { (4.35 → 7.27) Mistake. Bd3 was best. } (27... Bd3 28. Rxd3 Kg8 29. Rdd1 Qf7 30. Nb5 Raa8 31. Ra1 fxe4 32. Bxe4 Kh7 33. Nxc7 Qxc7 34. Bxg6+) 28. Qxa4 Rfa8 29. Ra1?? { (4.82 → 0.87) Blunder. exf5 was best. } (29. exf5 Qf6 30. Qb3 Bc8 31. fxg6 Ra3 32. Qc4 Kg8 33. Qc2 Bf8 34. Qe4 Ra2 35. Nb5 Bf5) 29... Bd2 30. Red1 Bc3 31. Ne6+ Kh6 32. Ra2?! { (1.12 → 0.41) Inaccuracy. exf5 was best. } (32. exf5 Be2) 32... Be2 33. Qxa7 Rxa7 34. Rxa7?! { (0.17 → -0.50) Inaccuracy. Rxe2 was best. } (34. Rxe2 Be5 35. exf5 gxf5 36. b5 Qf7 37. Rb1 Ra3 38. Re3 Ra2 39. Rd1 Qe7 40. Be2 Qf7) 34... Bxd1 35. Bxd1?! { (0.00 → -0.91) Inaccuracy. Rxc7 was best. } (35. Rxc7 Qf6 36. Rg7 Bxf3 37. c7 Bxb4 38. c8=Q Qa1+ 39. Kh2 Qe5+ 40. Kh1 Qa1+ 41. Kh2) 35... fxe4 36. Rxc7 Qf6 37. Rc8?! { (-0.45 → -1.55) Inaccuracy. Ra7 was best. } (37. Ra7 Be1) 37... Be1?? { (-1.55 → 5.83) Blunder. e3 was best. } (37... e3 38. Rf8 exf2+ 39. Kf1 Qe5 40. Be2 Bxb4 41. Kxf2 Bc5+ 42. Nxc5 dxc5 43. Ke1 Qg3+ 44. Rf2) 38. f4?? { (5.83 → Mate in 10) Checkmate is now unavoidable. Rf8 was best. } (38. Rf8) 38... Bg3 39. Ng5 Qd4+ 40. Kf1 Qxd1# { Black wins by checkmate. } 0-1