[Event "casual correspondence game"] [Site "https://lichess.org/9d6GXmZM"] [Date "2026.05.20"] [Round "-"] [White "Mathichess9"] [Black "lichess AI level 4"] [Result "0-1"] [GameId "9d6GXmZM"] [UTCDate "2026.05.20"] [UTCTime "23:35:06"] [WhiteElo "1500"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "C42"] [Opening "Petrov's Defense: Paulsen Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4 { C42 Petrov's Defense: Paulsen Attack } Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Qxe7+ Bxe7 8. d4 d5 9. Ne5 Ne4 10. Bd3 Nd7 11. Bxe4 dxe4 12. Nxd7 Bxd7 13. O-O O-O-O 14. Rd1 Bg4 15. Re1 Bd6 16. Rxe4 Bd1 17. Nc3 Bxc2 18. Rg4 Rhe8 19. Bg5 h5 20. Rh4 Rd7 21. Rxh5 g6 22. Rh6 c6 23. g3 Bb4 24. Bd2 Bf8 25. Rh4 Bg7 26. Re1 Rg8 27. Rc1 g5 28. Rg4 Bd3 29. Rxg5 Bg6 30. Be3 a6 31. Rd1 Bf6 32. Rc5 Be7 33. Rc4 Bc2 34. Rd2 Bf5 35. h4 Rh8 36. Kg2 Bf6 37. d5 Rhd8 38. dxc6 Rxd2 39. Bxd2 Rxd2 40. cxb7+ Kb8 41. Rf4 Bxc3 42. Rxf5 Rxb2 43. Rxf7 a5 44. Kf3 Bd4 45. Ke4 Bc5 46. Kd5 Bxf2 47. Kc6 Ka7 48. h5 Be3 49. g4 Rb6+ 50. Kd5 Rb4 51. Kc6 Rxg4 52. Kb5 Rg5+ 53. Ka4 Rxh5 54. a3 Kb8 55. Kb3 Bc5 56. a4 Bb6 57. Kc4 Rg5 58. Rd7 Bg1 59. Kb3 Rg6 60. Kc4 Rb6 61. Kd5 Rxb7 62. Rd8+ Ka7 63. Kc6 Rb1 64. Rd7+ Kb8 65. Rd8+ Ka7 66. Rd7+ Ka6 67. Kc7 Rc1+ 68. Kb8 Bh2+ 69. Ka8 Rc8# { Black wins by checkmate. } 0-1