Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Steinitz_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. h3 Bd7 5. O-O Nf6 6. d4 exd4 7. Bg5 Be7 8.
Bxc6 Bxc6 9. Bxf6 Bxf6 10. Re1 d3 11. cxd3 Bxb2 12. e5 d5 13. e6 O-O *
Position (FEN): r2q1rk1/ppp2ppp/2b1P3/3p4/8/3P1N1P/Pb3PP1/RN1QR1K1 w - - 1 14
White to move.
Themes: Advanced Pawn Middlegame  
Puzzle rating: 1553
Best move: e7