Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bd6 6. d4 exd4 7. Qxd4 Qf6 *
Position (FEN): r1b1k1nr/1pp2ppp/p1pb1q2/8/3QP3/5N2/PPP2PPP/RNB2RK1 w kq - 1 8
White to move.
Themes:  Opening  
Puzzle rating: 1242
Best move: e5