Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. dxc5 Bxc5 7. cxd5 Nxd5 8.
Nxd5 exd5 9. Bd3 O-O 10. Qc2 Bb4+ 11. Nd2 Qg5 12. Rg1 Re8 13. a3 Bd6 14. Nf3
Qf6 15. Bd2 d4 16. O-O-O dxe3 17. Bxe3 Bf4 18. Bxh7+ Kh8 19. Bd3 Bxe3+ 20. fxe3
Rxe3 21. Qc5 Qh6 *
Position (FEN): r1b4k/pp3pp1/2n4q/2Q5/8/P2BrN2/1P4PP/2KR2R1 w - - 2 22
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1108
Best move: Qf8#