[Event "11th Schachfreunde Mainz Arena"] [Site "https://lichess.org/vif8sGYd"] [Date "2020.06.26"] [White "mehlmichzu"] [Black "Nightking02"] [Result "0-1"] [UTCDate "2020.06.26"] [UTCTime "18:36:50"] [WhiteElo "1922"] [BlackElo "1592"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+10"] [Variant "Standard"] [TimeControl "300+0"] [ECO "B20"] [Opening "Sicilian Defense: Snyder Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. b3 { B20 Sicilian Defense: Snyder Variation } Nc6 3. Bb2 Nf6 4. d3?! { (0.23 → -0.53) Inaccuracy. e5 was best. } (4. e5 Nd5 5. Nf3 Nc7 6. Bd3 g6 7. Be4 Bg7 8. Bxc6 bxc6) 4... d6 5. f4?! { (-0.14 → -0.80) Inaccuracy. g3 was best. } (5. g3 g6 6. Bg2 Bg7 7. Nd2 O-O 8. Ne2 e5 9. O-O b5) 5... g6 6. Nf3 Bg7 7. Be2 b5 8. h4? { (-0.58 → -2.12) Mistake. Nc3 was best. } (8. Nc3 O-O 9. O-O b4 10. Na4 e5 11. a3 Ng4 12. Qd2 Bh6 13. g3 Nf6 14. axb4 cxb4) 8... a5?! { (-2.12 → -0.95) Inaccuracy. O-O was best. } (8... O-O) 9. Ng5?! { (-0.95 → -1.69) Inaccuracy. h5 was best. } (9. h5 O-O) 9... h6 10. Nh3 O-O 11. g4 e5?! { (-2.27 → -1.26) Inaccuracy. a4 was best. } (11... a4 12. g5 Qa5+ 13. Qd2 a3 14. Bxf6 Qxd2+ 15. Nxd2 exf6 16. gxh6 Bxh6 17. f5 gxf5 18. h5) 12. g5?! { (-1.26 → -2.23) Inaccuracy. f5 was best. } (12. f5 Nd4 13. Nf2 gxf5 14. gxf5 a4 15. Nd2 Bd7 16. bxa4 Rxa4 17. a3 Nxe2 18. Qxe2 Kh8) 12... hxg5?! { (-2.23 → -1.22) Inaccuracy. Nh7 was best. } (12... Nh7 13. Bg4) 13. hxg5? { (-1.22 → -2.93) Mistake. fxg5 was best. } (13. fxg5 Nh7 14. Nc3 Nd4 15. a4 b4 16. Nd5 Be6 17. Bxd4 cxd4 18. Bf3 Bxd5 19. exd5 f5) 13... Nh7 14. Qd2?! { (-2.80 → -3.76) Inaccuracy. f5 was best. } (14. f5 gxf5) 14... Nd4?! { (-3.76 → -2.74) Inaccuracy. Bxh3 was best. } (14... Bxh3 15. Rxh3) 15. Bxd4 cxd4 16. Bf3? { (-2.59 → -4.29) Mistake. Nf2 was best. } (16. Nf2 a4) 16... f5?? { (-4.29 → 0.80) Blunder. Bxh3 was best. } (16... Bxh3 17. Rxh3) 17. exf5 Bxf5 18. Bxa8?? { (0.86 → -2.16) Blunder. Bd5+ was best. } (18. Bd5+ Rf7) 18... Qxa8 19. Qh2 a4?! { (-1.76 → -0.62) Inaccuracy. Bg4 was best. } (19... Bg4) 20. Nd2 Rc8?! { (-0.83 → 0.00) Inaccuracy. Bg4 was best. } (20... Bg4 21. Nf2) 21. Rc1 exf4 22. Qxf4?? { (-0.27 → -13.67) Blunder. Kf2 was best. } (22. Kf2) 22... Qxh1+ 23. Qf1 Re8+ 24. Kf2?! { (-11.37 → Mate in 11) Checkmate is now unavoidable. Ne4 was best. } (24. Ne4 Qxf1+ 25. Kxf1 Bxh3+ 26. Kg1 d5 27. Kh2 Bf5 28. Nf6+ Nxf6 29. gxf6 Re2+ 30. Kg3 Bxf6) 24... Qxf1+?! { (Mate in 11 → -12.27) Lost forced checkmate sequence. Qh2+ was best. } (24... Qh2+ 25. Qg2 Re2+ 26. Kxe2 Qxg2+ 27. Nf2 Bg4+ 28. Ke1 Bh5 29. Nf1 Nxg5 30. Ng3 Qxg3 31. Kf1) 25. Rxf1 Bxh3 26. Rh1 Rf8+ 27. Kg3 Bf5 28. Nf3 axb3 29. axb3 Rc8 30. Rh2 Bd7 31. Kf2 Be5 32. Rg2 Bf4 33. Nxd4 Rf8 34. Ke2 Be5 35. Nf3 Bc6 36. b4?! { (-10.32 → Mate in 10) Checkmate is now unavoidable. Rf2 was best. } (36. Rf2 Bc3) 36... Bxf3+ 37. Kd2 Bxg2 38. Kc1 Nxg5 39. Kb1 Nf3 40. Ka2 g5 41. Kb3 g4 42. c3 Ne1 43. d4 g3 44. dxe5 Bf3 45. c4 dxe5 46. Kc3 g2 47. Kd2 g1=Q 48. c5 Qf2+ 49. Kc3 Rd8 50. Kb3 Qd4 51. Ka2 Ra8+ 52. Kb1 Qc4 53. Kb2 Ra2+ 54. Kb1 Qc2# { Black wins by checkmate. } 0-1