Chess puzzle (Advantage)
Opening: Pirc_Defense, Pirc_Defense_Other_variations
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 Nc6 4. Be3 e5 5. d5 Ne7 6. h3 c6 7. Bd3 a6 8. Nf3
cxd5 9. exd5 Nexd5 10. Nxd5 Nxd5 11. Bd2 Be7 12. Qe2 Nf6 13. Ng5 h6 14. Ne4 Be6
15. Nxf6+ Bxf6 16. O-O Qc7 17. Rac1 Bc4 *
Position (FEN): r3k2r/1pq2pp1/p2p1b1p/4p3/2b5/3B3P/PPPBQPP1/2R2RK1 w kq - 4 18
White to move.
Themes:  Middlegame  
Puzzle rating: 724
Best move: Bxc4