[Event "2015 Summer Marathon"] [Site "https://lichess.org/K0Y28ZlV"] [Date "2015.08.01"] [White "Cavallopazzo"] [Black "G-Bianchi"] [Result "0-1"] [UTCDate "2015.08.01"] [UTCTime "08:49:54"] [WhiteElo "1323"] [BlackElo "2496"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+0"] [Variant "Standard"] [TimeControl "300+0"] [ECO "A57"] [Opening "Benko Gambit"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 c5 3. d5 b5 { A57 Benko Gambit } 4. b3?! { (0.41 → -0.32) Inaccuracy. cxb5 was best. } (4. cxb5 a6 5. bxa6 e6 6. dxe6 fxe6 7. e4 Bxa6 8. Bxa6 Nxa6 9. e5 Nd5 10. Nf3 Nab4 11. a3 Be7 12. O-O O-O 13. Nc3 Nxc3) 4... g6 5. Bb2 Bg7 6. Nd2 d6 7. Rb1 O-O 8. e4 bxc4 9. bxc4 Nbd7 10. Ngf3 Rb8 11. Bd3 Qa5 12. a3?! { (-0.07 → -0.88) Inaccuracy. O-O was best. } (12. O-O Qxa2 13. Qc1 Qa5 14. Bc3 Rxb1 15. Bxb1 Qc7 16. Bc2 Ng4 17. Bxg7 Kxg7 18. Qa3 f6 19. Rb1 Nge5 20. Nxe5 fxe5 21. Ra1 a6) 12... Rxb2? { (-0.88 → 0.75) Mistake. Nxe4 was best. } (12... Nxe4 13. Bxg7 Rxb1 14. Qxb1 Nxd2 15. Nxd2 Kxg7 16. Qb2+ Kg8 17. O-O Ba6 18. Qc1 Rb8 19. Re1 Ne5 20. Be2 Kf8 21. f4 Nd7 22. Bf3) 13. Rxb2 Qxa3 14. Rb1 Qxd3? { (0.70 → 2.46) Mistake. Nh5 was best. } (14... Nh5 15. Rb3 Qa5 16. O-O Nf4 17. Re1 Bc3 18. Qc2 Bb4 19. Bf1 Nb6 20. Reb1 Bd7 21. g3 Nh3+ 22. Bxh3 Bxh3 23. Ng5 Bg4 24. Ndf3) 15. Rb3 Qxb3 16. Qxb3 Ng4 17. O-O Nde5 18. Nxe5 Nxe5 19. Nf3?! { (2.91 → 2.22) Inaccuracy. Qa3 was best. } (19. Qa3 a6 20. f4 Nd7 21. g3 Re8 22. Kg2 Bf6 23. Qa5 h6 24. Rb1 Kh7 25. Qa4 Rf8 26. Nf3 g5 27. fxg5 hxg5) 19... Ng4?! { (2.22 → 3.01) Inaccuracy. Nxf3+ was best. } (19... Nxf3+ 20. Qxf3 f5 21. Qa3 fxe4 22. Qxa7 Bf6 23. h3 h5 24. Rb1 Bh4 25. Rb2 Bg5 26. Rb8 Bf5 27. Rb3 Bf6 28. Qa4 Bd4 29. Qc6) 20. h3 Nf6 21. Re1 e6?! { (2.59 → 3.90) Inaccuracy. Nd7 was best. } (21... Nd7 22. Qa4 a6 23. Rb1 Bf6 24. Qc6 h6 25. Rb3 Kg7 26. Qc7 Rh8 27. g3 g5 28. Kg2 Rf8 29. Nd2 Be5 30. Rb1 Bc3 31. Nf3) 22. Nd2?! { (3.90 → 2.86) Inaccuracy. e5 was best. } (22. e5 dxe5 23. Nxe5 exd5 24. cxd5 a5 25. Qc4 Re8 26. d6 Be6 27. Qb5 a4 28. Qxa4 Rd8 29. Qc6 c4 30. Rd1 c3 31. Qxc3 Ne8) 22... Nh5?! { (2.86 → 3.75) Inaccuracy. Nd7 was best. } (22... Nd7 23. Rd1 Ne5 24. f4 Nd7 25. Qa4 Bd4+ 26. Kh2 Be3 27. g3 Bxd2 28. Rxd2 Nb6 29. Qa2 Rd8 30. Rc2 Rd7 31. Kg2 Rb7 32. Qa1) 23. f3?? { (3.75 → 1.22) Blunder. Nf3 was best. } (23. Nf3 exd5 24. cxd5 Nf6 25. e5 Nd7 26. exd6 Bf6 27. Qa4 a6 28. Qc6 Kg7 29. Re7 Rd8 30. Re4 h6 31. Qc7 Rf8 32. Nd2 Bc3) 23... exd5? { (1.22 → 2.72) Mistake. Bd4+ was best. } (23... Bd4+ 24. Kh2 Be5+ 25. Kh1 Ng3+ 26. Kg1 Bd4+ 27. Kh2 Be5 28. Qa2 Nxe4+ 29. Kg1 Nxd2 30. Qxd2 Bg3 31. Ra1 exd5 32. f4 d4 33. Ra3) 24. exd5 Bd4+ 25. Kh2 Be5+?! { (2.98 → 4.32) Inaccuracy. a5 was best. } (25... a5 26. Qa3 Bf2 27. Re2 Bg3+ 28. Kg1 Bf5 29. Qxa5 Nf4 30. Re7 Bd3 31. Kh1 Bf5 32. Qc7 Nd3 33. Kg1 Kg7 34. Qb6 h5 35. Qb3) 26. Kg1?! { (4.32 → 2.80) Inaccuracy. Rxe5 was best. } (26. Rxe5 dxe5 27. Qa3 f6 28. Qxa7 Nf4 29. Qxc5 Bf5 30. g3 Nd3 31. Qb6 h5 32. g4 hxg4 33. hxg4 Bd7 34. c5 Nf4 35. Qd6 Bb5) 26... Bd4+ 27. Kf1?? { (2.91 → Mate in 1) Checkmate is now unavoidable. Kh2 was best. } (27. Kh2 Kg7 28. Re2 g5 29. Qa4 Bf5 30. Re7 Nf4 31. Qxa7 Ng6 32. Rb7 Nf4 33. Kh1 Ne2 34. Re7 Bd3 35. Qb6 Be5 36. Rxe5 dxe5) 27... Ng3# { Black wins by checkmate. } 0-1