Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 Bxc3+ 6. bxc3 b6 7. e4 g5 8. e5
Ne4 9. Qd3 Nxc3 10. Qxc3 gxh4 11. Nf3 Bb7 12. Be2 Rg8 13. Rg1 h3 14. g3 h5 15.
Bf1 Bxf3 16. Qxf3 Nc6 17. d5 Nxe5 18. Qe4 Qf6 19. Rd1 Nf3+ 20. Ke2 Nxg1+ 21.
Ke3 O-O-O 22. Bxh3 Nxh3 23. dxe6 Qxf2+ 24. Kd3 fxe6 *
Position (FEN): 2kr2r1/p1pp4/1p2p3/7p/2P1Q3/3K2Pn/P4q1P/3R4 w - - 0 25
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 801
Best move: Qa8#