[Event "2018 Winter Marathon"] [Site "https://lichess.org/iXTAQiAR"] [Date "2018.12.29"] [White "opperwezen"] [Black "Wieringa"] [Result "1-0"] [UTCDate "2018.12.29"] [UTCTime "15:37:54"] [WhiteElo "2656"] [BlackElo "1938"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+0"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "180+2"] [ECO "C33"] [Opening "King's Gambit Accepted: Mason-Keres Gambit"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. f4?! { (0.37 → -0.46) Inaccuracy. Nf3 was best. } (2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5) 2... exf4 3. Nc3?! { (-0.24 → -1.03) Inaccuracy. Nf3 was best. } { C33 King's Gambit Accepted: Mason-Keres Gambit } (3. Nf3 Nf6 4. Nc3 d5 5. exd5 Nxd5 6. Bb5+ c6 7. Qe2+ Be6) 3... d6?! { (-1.03 → -0.07) Inaccuracy. Qh4+ was best. } (3... Qh4+ 4. Ke2 d6 5. d4 g5 6. Nf3 Qh6 7. g3 g4 8. Nh4) 4. d4 g5? { (-0.60 → 0.92) Mistake. Qh4+ was best. } (4... Qh4+ 5. Kd2 Qf2+ 6. Nge2 Bg4 7. h3 Bh5 8. Qe1 Qe3+ 9. Kd1) 5. h4 Bg7 6. hxg5 Qxg5 7. Nge2 Bg4 8. Qd3?! { (1.41 → 0.81) Inaccuracy. Nd5 was best. } (8. Nd5 Qd8 9. Bxf4 Nc6 10. c3 Qd7 11. Ne3 O-O-O 12. Qd3 f5 13. Nxf5 Bxf5 14. exf5 Nf6) 8... Nc6 9. Bxf4 Qg6?? { (0.37 → 2.18) Blunder. Qa5 was best. } (9... Qa5 10. Qc4 O-O-O 11. Qxf7 Rd7 12. Qd5 Qxd5 13. Nxd5 Nf6 14. Nxf6 Bxf6 15. c3 h5 16. Nc1) 10. O-O-O?! { (2.18 → 1.08) Inaccuracy. d5 was best. } (10. d5 Nce7) 10... O-O-O 11. Kb1?! { (1.24 → 0.49) Inaccuracy. d5 was best. } (11. d5 Nce7 12. Re1 a6 13. Nd4 Be5 14. Bxe5 dxe5 15. Nf3 Kb8 16. Kb1 Bxf3 17. Qxf3 f5) 11... f5?! { (0.49 → 1.31) Inaccuracy. Nge7 was best. } (11... Nge7) 12. Qe3?! { (1.31 → 0.69) Inaccuracy. d5 was best. } (12. d5 Nce7 13. Qe3 Kb8 14. Nb5 Nc8 15. e5 Nge7 16. exd6 cxd6 17. Qb3 Be5 18. Nbd4 Bxe2) 12... Nge7?! { (0.69 → 1.35) Inaccuracy. Kb8 was best. } (12... Kb8 13. d5) 13. d5 Nb8 14. Nb5 fxe4?! { (1.25 → 2.20) Inaccuracy. b6 was best. } (14... b6) 15. Nxa7+ Kd7 16. Ng3 Nf5?? { (2.17 → 7.70) Blunder. Bxd1 was best. } (16... Bxd1 17. Bb5+) 17. Bb5+ c6 18. dxc6+ bxc6 19. Nxf5 Qxf5 20. Rxd6+ Ke7 21. Qa3?! { (8.61 → 6.12) Inaccuracy. Rxc6 was best. } (21. Rxc6 h5 22. Qa3+ Kf7 23. Qb3+ Kf8 24. Rc8 Be5 25. Bxe5 Qxe5 26. Rxd8+ Kg7 27. Rd5 Qe7) 21... c5?! { (6.12 → 8.64) Inaccuracy. Qxf4 was best. } (21... Qxf4 22. Nxc6+ Nxc6 23. Rxc6+ Kf7 24. Qb3+ Ke7 25. Qb4+ Rd6 26. Rf1 Qxf1+ 27. Bxf1 Rd8 28. Qxe4+) 22. Rxd8 Rxd8 23. Bxb8 Rxb8 24. Nc6+ Kd6 25. Nxb8 Kc7 26. Na6+ Kb6 27. Bc4 h5 28. Qb3+ Ka7?! { (17.66 → Mate in 1) Checkmate is now unavoidable. Kc6 was best. } (28... Kc6 29. Rf1) 29. Qb5?! { (Mate in 1 → 13.58) Lost forced checkmate sequence. Qb8# was best. } (29. Qb8#) 29... Qd7?! { (13.58 → Mate in 1) Checkmate is now unavoidable. Qe5 was best. } (29... Qe5 30. Nxc5) 30. Qxc5+ Kb7 31. Nb4?! { (Mate in 5 → 18.20) Lost forced checkmate sequence. Qb4+ was best. } (31. Qb4+ Qb5 32. Qxb5+ Kc8 33. Qe8+ Kb7 34. Qb8+ Kc6 35. Qc7#) 31... Kb8?! { (18.20 → Mate in 6) Checkmate is now unavoidable. Qc7 was best. } (31... Qc7) 32. Bd5?! { (Mate in 6 → 64.88) Lost forced checkmate sequence. Qb6+ was best. } (32. Qb6+ Ka8 33. Nc6 Qxc6 34. Qxc6+ Kb8 35. Bd5 Bc8 36. Qb6+ Bb7 37. Qxb7#) 32... Be5?! { (64.88 → Mate in 1) Checkmate is now unavoidable. Qxd5 was best. } (32... Qxd5 33. Qxd5) 33. Na6# { White wins by checkmate. } 1-0