Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 O-O 5. Nf3 h6 6. Bh4 d6 7. h3 Qe8 8. e3
Nc6 9. Bd3 e5 10. dxe5 Nxe5 11. Be2 g5 12. Bg3 Nxf3+ 13. Bxf3 Nd7 14. O-O Ne5
15. Bxe5 Qxe5 16. Qd3 Be6 17. Bd1 Bf5 18. e4 Bd7 19. Bc2 Bc6 20. Rfe1 Rae8 21.
Nd5 Bxd5 22. exd5 Qxe1+ 23. Rxe1 Rxe1+ 24. Kh2 Be5+ 25. g3 Bxb2 *
Position (FEN): 5rk1/ppp2p2/3p3p/3P2p1/2P5/3Q2PP/PbB2P1K/4r3 w - - 0 26
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 535
Best move: Qh7#