Chess puzzle (Checkmate)
Moves: 1. e4 g6 2. Nf3 Bg7 3. c3 c5 4. Bc4 Nc6 5. O-O d6 6. h3 Nf6 7. d4 cxd4 8. Nxd4
O-O 9. Re1 e5 10. Nb5 Ne8 11. Nd2 a6 12. Na3 b5 13. Bd5 Bb7 14. Nf3 Nc7 15. c4
b4 16. Nc2 a5 17. Bg5 Qd7 18. Ne3 Kh8 19. Qa4 f6 20. Bh4 Rab8 21. Rad1 Rfd8 22.
c5 Nd4 23. Qxa5 Nxd5 24. Nxd4 Ra8 25. Qb5 Qxb5 26. Nxb5 Nxe3 27. fxe3 dxc5 28.
Nd6 Rxd6 29. Rxd6 Bxe4 30. a3 g5 31. Bf2 bxa3 32. bxa3 c4 33. Rc1 Bd3 34. Ra1
e4 35. Be1 f5 36. Ra2 c3 37. Rc6 c2 38. Bb4 h5 39. a4 f4 40. Kf2 Rb8 41. Bc3
Bxc3 42. Rxc3 Rb1 43. Raxc2 *
Position (FEN): 7k/8/8/6pp/P3pp2/2RbP2P/2R2KP1/1r6 b - - 0 43
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 755
Best move: Rf1#