Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. h3 Bg7 5. Nf3 O-O 6. Nc3 c6 7. Bg5 Nbd7 8. e5
dxe5 9. dxe5 Ne8 10. Bf4 e6 11. O-O Qc7 12. Re1 Nc5 13. Bf1 b5 14. b4 Na6 15.
a3 Qb6 16. Be3 Qc7 17. Bf4 Qb6 18. Ne4 f6 19. Be3 Qc7 20. exf6 Nxf6 21. Nc5 Nd5
22. Bd4 Bxd4 23. Qxd4 Nxc5 24. Qxc5 Bd7 25. Nd4 e5 26. Nf3 Rae8 27. c4 Nf4 28.
cxb5 Nxh3+ 29. Kh1 Nxf2+ 30. Qxf2 e4 31. Bc4+ Be6 32. Rxe4 Bxc4 33. Rxc4 Re7
34. Rxc6 Qf4 35. Qa2+ Kh8 36. Rf1 g5 37. Rc4 Qf7 38. Qb2+ Kg8 39. Rg4 Qh5+ 40.
Nh2 *
Position (FEN): 5rk1/p3r2p/8/1P4pq/1P4R1/P7/1Q4PN/5R1K b - - 7 40
Black to move.
Themes: Pin Middlegame Mate in 1 
Puzzle rating: 1114
Best move: Rxf1#