Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bc4 Nxe4 5. O-O Nxc3 6. dxc3 d6 *
Position (FEN): r1bqkb1r/ppp2ppp/2np4/4p3/2B5/2P2N2/PPP2PPP/R1BQ1RK1 w kq - 0 7
White to move.
Themes:  Opening  
Puzzle rating: 2054
Best move: Ng5