Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 d5 5. exd5 Nb4 6. a3 Nbxd5 7. Bxd5 Nxd5
8. O-O Bg4 9. Re1 Nxc3 10. bxc3 Bd6 11. d4 Qf6 *
Position (FEN): r3k2r/ppp2ppp/3b1q2/4p3/3P2b1/P1P2N2/2P2PPP/R1BQR1K1 w kq - 1 12
White to move.
Themes:  Middlegame  
Puzzle rating: 1238
Best move: dxe5