Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Ragozin_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Bb4 5. Bg5 Nbd7 6. a3 Bxc3+ 7. bxc3 dxc4 8.
e4 h6 9. Bh4 g5 10. Nxg5 hxg5 11. Bxg5 e5 12. dxe5 Nxe5 13. f4 Qxd1+ 14. Rxd1
Nxe4 *
Position (FEN): r1b1k2r/ppp2p2/8/4n1B1/2p1nP2/P1P5/6PP/3RKB1R w Kkq - 0 15
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 841
Best move: Rd8#