Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Exchange_Variation
Moves: 1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be6 7. e3 Nbd7 8.
Nf3 Bd6 9. Bd3 h6 10. Bh4 O-O 11. h3 Qc7 12. g4 g5 13. Bxg5 hxg5 14. Nxg5 Kg7
15. O-O-O Rh8 16. f4 Nb6 17. Nxe6+ fxe6 18. h4 Nc4 *
Position (FEN): r6r/ppq3k1/2pbpn2/3p4/2nP1PPP/2NBP3/PPQ5/2KR3R w - - 1 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1709
Best move: Bxc4