Chess puzzle (Crushing)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. h3 Be6 4. d4 Nd7 5. dxe5 dxe5 6. Bb5 c6 7. Bd3 f6 8. O-O
Bc5 9. a3 a5 10. Nh2 Ne7 11. Be3 Bxe3 12. fxe3 O-O 13. Nc3 Qb6 14. Qc1 Nc5 15.
Na4 *
Position (FEN): r4rk1/1p2n1pp/1qp1bp2/p1n1p3/N3P3/P2BP2P/1PP3PN/R1Q2RK1 b - - 6 15
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1330
Best move: Nxa4