Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Cozio_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 a6 5. Bxc6 Nxc6 6. d4 exd4 7. Nxd4 Nxd4
8. Qxd4 d6 9. e5 Qe7 10. Bf4 dxe5 11. Bxe5 f6 12. O-O-O *
Position (FEN): r1b1kb1r/1pp1q1pp/p4p2/4B3/3Q4/2N5/PPP2PPP/2KR3R b kq - 1 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1248
Best move: fxe5