Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 e6 3. dxe6 Bxe6 4. Nf3 Nf6 5. d4 Bd6 6. Ng5 Qe7 7. Nxe6 Qxe6+
8. Qe2 Qxe2+ 9. Bxe2 O-O 10. O-O Re8 11. Bf3 c6 12. c3 Nbd7 13. Nd2 Re7 14. Nc4
Bc7 15. Bg5 Rae8 16. Rad1 h6 17. Bh4 g5 18. Bg3 Bxg3 19. fxg3 Re6 20. Na5 Rb8
21. c4 g4 22. d5 Re3 23. dxc6 bxc6 24. Nxc6 Rxb2 25. Bd5 Ree2 26. Nd4 Nxd5 27.
Nxe2 Ne3 28. Rxd7 Rxe2 29. Rfxf7 Rxg2+ 30. Kh1 Re2 31. Rfe7 *
Position (FEN): 6k1/p2RR3/7p/8/2P3p1/4n1P1/P3r2P/7K b - - 3 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 852
Best move: Re1#