Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Steinitz_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 a6 6. Bxc6 Bxc6 7. d4 exd4 8.
Nxd4 Ne7 9. Nc3 g6 10. Nd5 Bxd5 11. exd5 Bg7 *
Position (FEN): r2qk2r/1pp1npbp/p2p2p1/3P4/3N4/8/PPP2PPP/R1BQR1K1 w kq - 1 12
White to move.
Themes: Pin Middlegame  
Puzzle rating: 1538
Best move: Bg5