Chess puzzle (Checkmate)
Moves: 1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. e4 Bg7 5. Bd3 O-O 6. Nge2 e5 7. d5 a5 8. Bd2
Na6 9. a3 Nc5 10. Bc2 Nh5 11. b4 Na6 12. Qb1 Nf4 13. g3 Nxe2 14. Nxe2 f5 15. f3
fxe4 16. Bxe4 Bf5 17. O-O Qd7 18. Nc3 Bh3 19. Re1 c6 20. Be3 Bf6 21. b5 cxb5
22. Qxb5 Qe7 23. Rab1 Bg5 24. Qxb7 Bxe3+ 25. Rxe3 Qg5 26. Rbe1 Nc5 27. Qb1 Rab8
28. Qc2 a4 29. Nb5 Nxe4 30. fxe4 Qxe3+ 31. Rxe3 *
Position (FEN): 1r3rk1/7p/3p2p1/1N1Pp3/p1P1P3/P3R1Pb/2Q4P/6K1 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 590
Best move: Rf1#