Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. e4 e5 6. Nge2 c5 7. O-O Nc6 8. d3
d6 9. h3 Be6 10. Be3 Rb8 11. f4 Nd4 12. f5 Bd7 13. g4 b5 14. b3 bxc4 15. dxc4
h6 16. Qd2 g5 17. Nd5 Nxd5 18. exd5 f6 19. Nc3 a5 20. Ne4 Qc7 21. h4 a4 22.
hxg5 hxg5 23. Bxg5 fxg5 24. f6 Bh6 25. f7+ Kg7 26. Rf6 Qd8 27. Raf1 Bxg4 28.
Rxd6 Qe7 29. Rdf6 Ne2+ 30. Kf2 Nf4 31. d6 Qxf6 32. Nxf6 Kxf6 33. d7 Rbd8 34.
Qd6+ Kg7 35. Qxe5+ Kxf7 36. Bd5+ Kg6 37. Be4+ Kf7 38. Kg1 Rxd7 39. Bd5+ Kg6 40.
Be4+ Kf7 41. Bd5+ Rxd5 42. cxd5 Re8 43. Qc7+ Re7 44. Qb8 Bg7 45. d6 Bd4+ 46.
Kh2 Re2+ 47. Kg3 *
Position (FEN): 1Q6/5k2/3P4/2p3p1/p2b1nb1/1P4K1/P3r3/5R2 b - - 4 47
Black to move.
Themes:  Endgame Hook Mate, Mate in 1 
Puzzle rating: 1055
Best move: Rg2#