Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Vienna_Variation
Moves: 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 Bb4 6. Bg5 b5 7. a4 Bb7 8. Qc2
a6 9. Be2 h6 10. Bh4 g5 11. Nxg5 hxg5 12. Bxg5 Rg8 13. h4 Qxd4 14. Rd1 Bxc3+
15. bxc3 Qxe4 16. Qxe4 Nxe4 *
Position (FEN): rn2k1r1/1bp2p2/p3p3/1p4B1/P1p1n2P/2P5/4BPP1/3RK2R w Kq - 0 17
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 502
Best move: Rd8#