Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Steinitz_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. Bxc6+ bxc6 5. d3 Nf6 6. Bg5 Be7 7. a3 h6 8.
Bh4 O-O 9. Nbd2 d5 10. O-O dxe4 11. Nxe4 Nxe4 12. dxe4 *
Position (FEN): r1bq1rk1/p1p1bpp1/2p4p/4p3/4P2B/P4N2/1PP2PPP/R2Q1RK1 b - - 0 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1408
Best move: Bxh4