Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 Bg4 4. h3 Bh5 5. Nc3 c6 6. d3 h6 7. Be3 Be7 8. Qd2
Nd7 9. O-O-O Nb6 10. Bxb6 axb6 11. Kb1 b5 12. Bb3 Nf6 13. a3 Nd7 14. Ne2 Nc5
15. Ba2 Na4 16. Ng3 Bg6 17. Nf5 Bf6 18. N3h4 *
Position (FEN): r2qk2r/1p3pp1/2pp1bbp/1p2pN2/n3P2N/P2P3P/BPPQ1PP1/1K1R3R b kq - 10 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1413
Best move: Bxh4