Chess puzzle (Checkmate)
Opening: Alekhine_Defense, Alekhine_Defense_Four_Pawns_Attack
Moves: 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nf3
e6 9. Nc3 Bg4 10. Be2 Qd7 11. O-O O-O-O 12. a4 Bxf3 13. Rxf3 Nxd4 14. Bxd4
Qxd4+ 15. Kh1 Nxc4 16. Rd3 Qf4 *
Position (FEN): 2kr1b1r/ppp2ppp/4p3/4P3/P1n2q2/2NR4/1P2B1PP/R2Q3K w - - 2 17
White to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 408
Best move: Rxd8#