Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. Nf3 d6 6. Nc3 g5 7. h3 Nc6 8. Qd2
Bd7 9. O-O-O O-O-O 10. Bb5 Bg7 11. Rhe1 Kb8 12. Kb1 Ne7 13. Bxd7 Rxd7 14. Qe2
Ng6 15. Qb5 c6 16. Qf1 Rhd8 17. e5 dxe5 18. dxe5 Rxd1+ 19. Rxd1 Nxe5 20. Nxe5
Rxd1+ 21. Qxd1 Qxe5 *
Position (FEN): 1k6/pp3pb1/2p1p2p/4q1p1/8/2N4P/PPP2PP1/1K1Q4 w - - 0 22
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1429
Best move: Qd8#