Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Morphy_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Bb4 6. d3 d6 7. Bg5 h6 8. Bh4
b5 9. Bb3 O-O 10. O-O Bxc3 11. bxc3 Na5 12. d4 Bb7 13. d5 g5 14. Nxg5 hxg5 *
Position (FEN): r2q1rk1/1bp2p2/p2p1n2/np1Pp1p1/4P2B/1BP5/P1P2PPP/R2Q1RK1 w - - 0 15
White to move.
Themes:  Middlegame  
Puzzle rating: 916
Best move: Bxg5