Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 c5 5. Nb3 Nc6 6. Bf4 Nf6 7. Nc3 Be7 8.
Be2 O-O 9. O-O b6 10. f3 Bb7 11. Be3 Qc7 12. a3 Rad8 13. Re1 d5 14. exd5 Nxd5 *
Position (FEN): 3r1rk1/pbq1bppp/1pn5/2pn4/8/PNN1BP2/1PP1B1PP/R2QR1K1 w - - 0 15
White to move.
Themes:  Middlegame  
Puzzle rating: 931
Best move: Nxd5