Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. Bd3
dxc4 9. Bxc4 Bb7 10. O-O Nbd7 11. a4 c5 12. a5 Nd5 13. Bxe7 Qxe7 14. Nxd5 exd5
15. Bb5 Nf6 16. a6 Bc8 17. Bc6 Rb8 18. Qb3 c4 19. Qa3 Qc7 20. Bb5 Be6 21. Rac1
Rbc8 22. b3 c3 23. Bd3 Ne4 24. Rc2 f5 25. Rfc1 f4 26. Ne5 fxe3 27. fxe3 Nd2 28.
Rxc3 Qxc3 29. Rxc3 Rxc3 30. Qb2 Rxd3 31. Nxd3 *
Position (FEN): 5rk1/p5p1/Pp2b2p/3p4/3P4/1P1NP3/1Q1n2PP/6K1 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 782
Best move: Rf1#