Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. Nc3 e5 3. g3 Bc5 4. Bg2 d6 5. e3 a6 6. Nge2 Ba7 7. h3 O-O 8. O-O
Nc6 9. d4 Re8 10. b3 Bf5 11. g4 Bg6 12. Bb2 exd4 13. exd4 Ne4 14. Nd5 Ne7 15.
Nxe7+ Qxe7 16. Nf4 c6 17. Nxg6 hxg6 18. Qd3 d5 19. Rae1 Qh4 20. Re3 Nf6 21.
Rfe1 Rxe3 22. Rxe3 Qg5 23. Re5 Qf4 24. cxd5 cxd5 25. Re7 Bb8 26. Rxb7 Bd6 27.
Rb6 Re8 28. Kf1 a5 29. Rc6 Bb4 30. Rc1 Qxc1+ 31. Bxc1 *
Position (FEN): 4r1k1/5pp1/5np1/p2p4/1b1P2P1/1P1Q3P/P4PB1/2B2K2 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 590
Best move: Re1#