Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e3 d6 5. Nf3 O-O 6. Be2 Nc6 7. O-O e5 8. d5
Ne7 9. e4 Nd7 10. Nd2 f5 11. f4 fxe4 12. Ncxe4 exf4 13. Bg4 Ne5 14. Bxc8 Rxc8
15. Qb3 Nf5 16. Rxf4 Nd4 17. Rxf8+ Qxf8 18. Qd1 Nd3 19. Qf1 Qxf1+ 20. Nxf1 Ne2+
21. Kh1 Ndxc1 22. Ne3 Bd4 23. Nc2 Rf8 24. g3 Bxb2 25. Rb1 Rf1+ 26. Kg2 Rg1+ 27.
Kf3 Nd4+ 28. Nxd4 Bxd4 29. Rxb7 Rf1+ 30. Kg2 Re1 31. Ng5 Bb6 32. Rb8+ Kg7 33.
Ne6+ Kh6 34. Rf8 Re2+ 35. Kh3 Nd3 36. g4 Nf2+ 37. Kg3 Ne4+ 38. Kh3 Ng5+ 39.
Nxg5 Kxg5 40. Rf7 h6 41. Kg3 Rxa2 *
Position (FEN): 8/p1p2R2/1b1p2pp/3P2k1/2P3P1/6K1/r6P/8 w - - 0 42
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1081
Best move: h4#