Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. O-O Nf6 5. Nc3 O-O 6. h3 Nc6 7. Nd5 Nxd5 8.
exd5 Na5 9. Be2 b6 10. b4 Nb7 11. c4 Bd7 12. d4 exd4 13. Nxd4 Bf6 14. Be3 Qe8
15. Bd3 c5 16. bxc5 bxc5 17. Rb1 *
Position (FEN): r3qrk1/pn1b1ppp/3p1b2/2pP4/2PN4/3BB2P/P4PP1/1R1Q1RK1 b - - 1 17
Black to move.
Themes:  Opening  
Puzzle rating: 1416
Best move: cxd4