Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 d6 4. Bb5 Bd7 5. h3 a6 6. Bxc6 Bxc6 7. O-O Qd7 8. d4
exd4 9. Nxd4 O-O-O 10. Be3 Kb8 11. Qf3 Nf6 12. Nxc6+ Qxc6 13. Nd5 Nxd5 14. exd5
Qd7 15. c4 f6 16. b4 Qa4 17. Rfb1 Re8 18. Qf4 Be7 19. Qd4 b6 20. Rb3 Bd8 21.
Qc3 Qd7 22. a4 Re5 23. c5 dxc5 24. bxc5 Qxd5 25. cxb6 c6 26. Rc1 Kb7 27. Bf4
Re4 28. Bc7 Bxc7 29. bxc7+ Kxc7 30. Qb2 Rhe8 31. Rb7+ Kd6 32. Qa3+ Ke6 33. Rc7
Qd6 34. R1xc6 *
Position (FEN): 4r3/2R3pp/p1Rqkp2/8/P3r3/Q6P/5PP1/6K1 b - - 0 34
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 856
Best move: Re1#