Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 e5 4. e3 exd4 5. exd4 Nc6 6. Nf3 Bg4 7. Bxc4 Bxf3 8.
Qxf3 Nf6 9. Bg5 Nxd4 10. Qd3 Qe7+ 11. Be3 O-O-O 12. Qd1 Nf5 13. Qf3 g6 14. O-O
Kb8 15. Rfe1 Qb4 16. Bb3 Bg7 17. Rad1 Rxd1 18. Rxd1 Nh4 19. Qg3 Nf5 20. Qf3
Nxe3 21. Qxe3 Qh4 22. Bxf7 Rf8 23. Be6 Re8 24. Nb5 Qa4 25. Qd3 a6 26. Qd8+ Rxd8
*
Position (FEN): 1k1r4/1pp3bp/p3Bnp1/1N6/q7/8/PP3PPP/3R2K1 w - - 0 27
White to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 594
Best move: Rxd8#