Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Na6 7. O-O e5 8. d5
Nc5 9. Qc2 a5 10. Bg5 h6 11. Be3 Ng4 12. Bxc5 dxc5 13. h3 Nf6 14. Nxe5 Nxd5 15.
cxd5 Bxe5 16. f4 Bd4+ 17. Kh2 Qh4 18. Nb5 Be3 19. Rf3 Bxf4+ 20. Kg1 b6 21. Raf1
Be5 22. Bc4 Kg7 23. d6 Be6 24. Bxe6 fxe6 25. Rxf8 Rxf8 26. Rxf8 Kxf8 27. dxc7 *
Position (FEN): 5k2/2P5/1p2p1pp/pNp1b3/4P2q/7P/PPQ3P1/6K1 b - - 0 27
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1037
Best move: Qe1#