Chess puzzle (Checkmate)
Moves: 1. d4 c6 2. e4 g6 3. Nc3 Bg7 4. Be3 d5 5. Qd2 dxe4 6. Nxe4 Nf6 7. Nxf6+ Bxf6 8.
O-O-O O-O 9. h4 h5 10. Nh3 Nd7 11. Nf4 Nb6 12. Bd3 Nd5 13. Nxg6 fxg6 14. Bxg6
Nxe3 15. Qxe3 Qd6 16. Kb1 Bxd4 17. Qh6 Rxf2 18. Rhf1 Qf6 19. Rxf2 Qxf2 20. Qh7+
Kf8 21. c3 Bg7 *
Position (FEN): r1b2k2/pp2p1bQ/2p3B1/7p/7P/2P5/PP3qP1/1K1R4 w - - 1 22
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 883
Best move: Rd8#