Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bd3 O-O 5. Nxe5 Bxc3 6. bxc3 d6 7. Nc4 Re8 8.
f3 d5 9. Ne3 dxe4 10. fxe4 Nxe4 11. O-O Nc6 12. Qh5 g6 13. Qf3 f5 14. c4 Ne5
15. Qf4 Qd4 16. Bxe4 Qxa1 17. Bd5+ Kg7 18. d4 c6 19. dxe5 cxd5 20. Nxd5 Qxe5
21. Qh6+ Kg8 22. Bg5 Qd4+ 23. Kh1 Re6 24. Ne7+ Rxe7 25. Bxe7 Be6 26. c5 Re8 27.
Bd6 Bd5 28. a3 Qf2 29. Rg1 Qxg2+ 30. Rxg2 *
Position (FEN): 4r1k1/pp5p/3B2pQ/2Pb1p2/8/P7/2P3RP/7K b - - 0 30
Black to move.
Themes: Pin Endgame Mate in 1 
Puzzle rating: 833
Best move: Re1#