Chess puzzle (Advantage)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Other_variations
Moves: 1. e4 c6 2. d4 d6 3. Bc4 Qc7 4. Nf3 Bg4 *
Position (FEN): rn2kbnr/ppq1pppp/2pp4/8/2BPP1b1/5N2/PPP2PPP/RNBQK2R w KQkq - 4 5
White to move.
Themes: Attacking f2 or f7 Opening  
Puzzle rating: 1331
Best move: Bxf7+