Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nc3 d5 3. Bf4 Bf5 4. f3 e6 5. g4 Bg6 6. h4 h6 7. h5 Bh7 8. e3 c5
9. Nb5 Na6 10. a4 Be7 11. c3 Nd7 12. Bd3 Bxd3 13. Qxd3 Qb6 14. a5 Qc6 15. Qe2
c4 16. Na3 Qa4 17. Nh3 Qxa5 18. Nc2 Qb5 19. O-O Qxb2 20. Qd2 Qb5 21. Rfb1 Qc6
22. Nf2 Nc7 23. e4 a6 24. Bg3 Bg5 25. f4 Be7 26. e5 Nb5 27. f5 Bg5 28. Qe1 O-O
29. Nh3 f6 30. Nxg5 hxg5 31. Nb4 Qb6 32. exf6 Nxf6 33. fxe6 Rae8 34. e7 Rf7 35.
Be5 Rexe7 36. h6 Qe6 37. Qg3 gxh6 38. Rf1 Ne4 39. Qg2 Nbxc3 40. Nc2 b5 41. Ne3
b4 42. Nf5 Rb7 43. Qh3 Kh7 44. Kg2 b3 45. Rh1 Rb6 46. Raf1 b2 47. Nxh6 Qxh6 48.
Qxh6+ Rxh6 49. Rxf7+ Kg6 *
Position (FEN): 8/5R2/p5kr/3pB1p1/2pPn1P1/2n5/1p4K1/7R w - - 1 50
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1304
Best move: Rg7#