[Event "Rated correspondence game"] [Site "https://lichess.org/9ydpleYQ"] [Date "2024.04.21"] [White "mate-in-four"] [Black "Polumaster"] [Result "0-1"] [UTCDate "2024.04.21"] [UTCTime "00:47:39"] [WhiteElo "2507"] [BlackElo "2421"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "-"] [ECO "A05"] [Opening "Zukertort Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nf6 { A05 Zukertort Opening } 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. d3 d5 6. Nbd2 Be7 7. e4 c5 8. Re1 Nc6 9. c3 O-O 10. e5 Nd7 11. Nf1 b5 12. h4 a5 13. Bf4 a4 14. a3 Qb6 15. N1h2 d4 16. Ng5 Bxg5 17. hxg5 Rfd8 18. Qh5 Ne7 19. Ng4 dxc3 20. bxc3 Ng6 21. Nf6+?! { (-0.89 → -1.97) Inaccuracy. Re4 was best. } (21. Re4 Ndf8 22. Rd1 Rac8 23. Bc1 b4 24. axb4 Bxe4 25. Bxe4 cxb4 26. Nf6+ gxf6) 21... gxf6 22. gxf6 Kh8 23. Bh6 Rg8 24. Be4 Bxe4 25. Rxe4 Qc6 26. Qe2 b4 27. cxb4 cxb4 28. axb4 Qd5 29. d4 a3 30. Bg7+ Rxg7 31. fxg7+ Kxg7 32. Re3 Qxd4 33. Rexa3 Rxa3 34. Rxa3 Qxb4 35. Re3 Nb6 36. Re4 Qc5 37. Qd2 Nd5 38. Kg2 Qc6 39. Kg1 h6 40. Qe1 Nde7 41. Qe3 Nf5 42. Qe2 h5 43. Qc4 Qb6 44. Qb4 Qd8 45. Qc4 Nh6 46. Qd4 Qa5 47. Qa4 Qd2 48. Qb4 Qd1+ 49. Kg2 Ng4 50. Qb5 Qd2 51. Qe2 Qa5 52. f3 N4xe5 53. Qe1 Qc7 54. Re3 Qc2+ { White resigns. } 0-1