Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 e6 6. Nf3 Bb4 7. Bf4 O-O 8.
Bd3 c6 9. h3 N8d7 10. Qc2 Nf6 11. e5 Nfd5 12. Bxh7+ Kh8 13. Be4 Nxf4 14. O-O
Bxc3 15. bxc3 Nfd5 16. h4 Nc4 17. Ng5 Ncb6 *
Position (FEN): r1bq1r1k/pp3pp1/1np1p3/3nP1N1/3PB2P/2P5/P1Q2PP1/R4RK1 w - - 3 18
White to move.
Themes:  Middlegame  
Puzzle rating: 1787
Best move: Bxd5