Chess puzzle (Crushing)
Opening: Russian_Game, Russian_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nf6 3. Bb5 c6 4. Bc4 Na6 5. O-O Nb4 6. Ng5 h6 *
Position (FEN): r1bqkb1r/pp1p1pp1/2p2n1p/4p1N1/1nB1P3/8/PPPP1PPP/RNBQ1RK1 w kq - 0 7
White to move.
Themes: Attacking f2 or f7 Opening  
Puzzle rating: 1614
Best move: Nxf7