Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Bxc6 dxc6 7. Rxe5+ Be7
8. Qe2 f6 9. Re3 Kf7 10. d4 Re8 11. Nc3 Nf5 12. Qc4+ Kf8 13. Re1 Nd6 14. Qb3
Rb8 15. Bf4 Bf5 16. Nh4 Bg4 17. h3 Bh5 18. Ne4 g5 19. Bxd6 cxd6 20. Nf5 Bf7 21.
Qd3 d5 22. Neg3 Bg6 23. Qd2 Bd6 24. Rxe8+ Kxe8 25. Re1+ Kf7 26. Qe3 Qd7 27. Qf3
Bxg3 28. Re7+ Qxe7 29. Nxe7 Re8 30. Nxg6 *
Position (FEN): 4r3/pp3k1p/2p2pN1/3p2p1/3P4/5QbP/PPP2PP1/6K1 b - - 0 30
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 804
Best move: Re1#