Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 c4 6. Bc2 Nc6 7. Nbd2 Be7 8. O-O
O-O 9. Re1 Qc7 10. e4 dxe4 11. Nxe4 Nd5 12. Nc5 Rd8 13. Ng5 h6 14. Qh5 Bxg5 15.
Bxg5 hxg5 16. Qh7+ Kf8 17. Qh8+ Ke7 18. Qxg7 Qf4 19. Re4 Qf6 20. Qxf6+ Nxf6 21.
Ree1 b6 22. Ne4 Nxe4 23. Bxe4 Bd7 24. d5 Na5 25. d6+ Kxd6 26. Bxa8 Rxa8 27.
Rad1+ Ke7 28. Rd2 Rd8 29. Red1 Nc6 30. f3 Ne5 31. b3 b5 32. bxc4 bxc4 33. Rd4
Nd3 34. Rb1 a6 35. Rb7 Ke8 36. Rxc4 Bb5 37. Rcc7 Ne5 38. Kf2 Nd3+ 39. Ke3 Ne5
40. f4 gxf4+ 41. Kxf4 Ng6+ 42. Ke3 Rd3+ 43. Kf2 Rd2+ 44. Kg3 Rd3+ 45. Kg4 Ne5+
46. Kg5 Kf8 47. Kf4 Ng6+ 48. Ke4 *
Position (FEN): 5k2/1RR2p2/p3p1n1/1b6/4K3/2Pr4/P5PP/8 b - - 14 48
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1139
Best move: f5#