Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Spanish_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. Bxc6 dxc6 6. Nxe5 Qd4 7. Nd3 Nxe4
8. O-O f5 *
Position (FEN): r1b1k2r/ppp3pp/2p5/2b2p2/3qn3/2NN4/PPPP1PPP/R1BQ1RK1 w kq - 0 9
White to move.
Themes:  Opening  
Puzzle rating: 2069
Best move: Nxe4