[Event "OE March Rapid10 Swiss"] [Site "https://lichess.org/b4RclUpB"] [Date "2024.03.30"] [White "brhn"] [Black "Kosty2015"] [Result "0-1"] [UTCDate "2024.03.30"] [UTCTime "16:44:37"] [WhiteElo "1865"] [BlackElo "1302"] [WhiteRatingDiff "-56"] [BlackRatingDiff "+14"] [Variant "Standard"] [TimeControl "600+1"] [ECO "C47"] [Opening "Four Knights Game"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 { C47 Four Knights Game } 4. d3 h6 5. Be3 b6?! { (-0.43 → 0.44) Inaccuracy. Bb4 was best. } (5... Bb4 6. Nd2 d5 7. Nxd5 Nxd5 8. exd5 Bxd2+ 9. Qxd2 Qxd5 10. f3) 6. h3?! { (0.44 → -0.39) Inaccuracy. d4 was best. } (6. d4 exd4 7. Nxd4 Bb7 8. Nxc6 dxc6 9. f3 Bd6 10. Qe2 Qe7) 6... Bc5?! { (-0.39 → 0.28) Inaccuracy. Bb4 was best. } (6... Bb4 7. Bd2) 7. Qd2 Bxe3?! { (-0.09 → 0.64) Inaccuracy. Bb7 was best. } (7... Bb7 8. Bxc5) 8. fxe3 d6 9. Be2 Bb7 10. a3 Qe7 11. b4 a5 12. b5?! { (-0.21 → -0.99) Inaccuracy. Rb1 was best. } (12. Rb1 Nb8) 12... Na7?! { (-0.99 → -0.17) Inaccuracy. Nb8 was best. } (12... Nb8 13. Na4 Nbd7 14. c4 O-O-O 15. Bd1 g6 16. Qf2 Kb8 17. Bc2 Rdf8 18. Nc3 Nh5 19. Nh4) 13. a4 O-O-O 14. g4 h5 15. g5 Nd7 16. Nd5 Bxd5 17. exd5 f6?! { (-0.53 → 0.39) Inaccuracy. Kb8 was best. } (17... Kb8 18. e4) 18. e4?! { (0.39 → -0.25) Inaccuracy. Nh4 was best. } (18. Nh4) 18... fxg5?? { (-0.25 → 1.54) Blunder. Rdg8 was best. } (18... Rdg8 19. Rg1) 19. Nxg5?! { (1.54 → 0.76) Inaccuracy. Qxg5 was best. } (19. Qxg5 Nf6 20. Rg1 Rdg8 21. Qf5+ Kb8 22. Ng5 Nc8 23. Qe6 Qxe6 24. Nxe6 g5 25. Rxg5 Rxg5) 19... Nc5 20. h4 Rdf8 21. Bf1?! { (0.75 → -0.23) Inaccuracy. Qe3 was best. } (21. Qe3) 21... Rf6?! { (-0.23 → 0.49) Inaccuracy. Kb8 was best. } (21... Kb8 22. Qe3 Nc8 23. c3 Rf4 24. Ra2 Rhf8 25. Bg2 R8f6 26. d4 Nd7 27. Bf3 Rf8 28. Re2) 22. Bh3+ Kb7 23. c3?? { (-0.05 → -2.00) Blunder. Qe3 was best. } (23. Qe3 Rhf8) 23... Nb3 24. Qb2 Nxa1 25. Qxa1 Rhf8 26. Qb2 Rf2?? { (-2.02 → 0.00) Blunder. Rf4 was best. } (26... Rf4) 27. Qc1?? { (0.00 → -3.79) Blunder. Qxf2 was best. } (27. Qxf2 Rxf2 28. Kxf2 Qf6+ 29. Ke2 Qf4 30. Bd7 Nc8 31. Rf1 Qxh4 32. Ne6 Qg4+ 33. Rf3 Kb8) 27... Qf6? { (-3.79 → -1.83) Mistake. R8f4 was best. } (27... R8f4 28. Bf5 Ra2 29. Qb1 Rxh4 30. Rxh4 Qxg5 31. Qxa2 Qg1+ 32. Ke2 Qg2+ 33. Ke3 Qxa2 34. Rxh5) 28. Qe3?? { (-1.83 → -4.75) Blunder. Bf5 was best. } (28. Bf5) 28... Ra2 29. Qc1?? { (-4.60 → Mate in 2) Checkmate is now unavoidable. Bf5 was best. } (29. Bf5 Ra1+ 30. Kd2 Rxh1 31. Qg3 Rf1 32. Ne6 Rxf5 33. exf5 Qxf5 34. c4 Qf1 35. Nxf8 Qxf8) 29... Qf2+ 30. Kd1 Rxa4?? { (Mate in 1 → -6.73) Lost forced checkmate sequence. Qe2# was best. } (30... Qe2#) 31. Rf1 Qxf1+ 32. Bxf1 Rxf1+ 33. Kc2 Rxc1+ 34. Kxc1 Nxb5 35. Kb2 Ra3 36. c4 Rxd3 37. cxb5 Rd4 38. Kc3 Rd1 39. Kc2 Rh1 40. Nf3 Rf1 41. Ng5 Rf2+ 42. Kd3 Rf4 43. Ke3 Rxh4 44. Ne6 Rh3+ 45. Kf2 h4 46. Nxg7 Rh2+ 47. Kf3 h3 48. Nf5 Rh1 49. Ng3 Rh2 50. Ne2? { (-7.92 → Mate in 10) Checkmate is now unavoidable. Kg4 was best. } (50. Kg4 a4 51. Nh5 Rb2 52. Kxh3 a3 53. Nf6 a2 54. Kh4 a1=Q 55. Kg5 Qg1+ 56. Kf5 Rf2+) 50... Rxe2 51. Kxe2 h2 52. Kf2 h1=Q 53. Kg3 { White resigns. } 0-1