Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Bird_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. d3 Bb4+ 6. Nd2 Qg5 7. O-O Qxb5
8. a3 Bxd2 9. Bxd2 Qxb2 10. Bb4 a5 11. Rb1 Qa2 12. Bc5 b6 13. Bxd4 Qxa3 *
Position (FEN): r1b1k1nr/2pp1ppp/1p6/p7/3BP3/q2P4/2P2PPP/1R1Q1RK1 w kq - 0 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1195
Best move: Bxg7