Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Cozio_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. d3 a6 5. Ba4 b5 6. Bb3 Ng6 *
Position (FEN): r1bqkb1r/2pp1ppp/p1n3n1/1p2p3/4P3/1B1P1N2/PPP2PPP/RNBQK2R w KQkq - 2 7
White to move.
Themes:  Opening  
Puzzle rating: 1779
Best move: Ng5