Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bc4 g6 4. O-O Bg7 5. Nc3 Nf6 6. Re1 O-O 7. d3 d6 8. Bg5
a6 9. Nd5 Nxd5 10. Bxd5 Ne5 11. h3 Qc7 12. Bf4 e6 13. Bb3 Nxf3+ 14. Qxf3 Qe7
15. Qg3 Rd8 16. c3 b5 17. a3 Bb7 18. Re2 Rac8 19. Rae1 c4 20. dxc4 bxc4 21. Bc2
Bc6 22. Rd1 d5 23. exd5 Bxd5 24. Be4 Qb7 25. Bxd5 exd5 26. Be5 Re8 27. Rdd2 Qd7
28. Bxg7 Kxg7 29. Rxe8 Rxe8 30. Qf3 Qd6 31. Rxd5 *
Position (FEN): 4r3/5pkp/p2q2p1/3R4/2p5/P1P2Q1P/1P3PP1/6K1 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1036
Best move: Re1#