Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 Nf6 4. d3 Be6 5. Nbd2 Nc6 6. c3 a6 7. O-O Be7 8. Re1
O-O 9. d4 b5 10. Bb3 exd4 11. cxd4 Bxb3 12. Nxb3 Ng4 13. e5 dxe5 14. d5 Nd4 *
Position (FEN): r2q1rk1/2p1bppp/p7/1p1Pp3/3n2n1/1N3N2/PP3PPP/R1BQR1K1 w - - 1 15
White to move.
Themes:  Opening  
Puzzle rating: 1565
Best move: Nfxd4