Chess puzzle (Crushing)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Old_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e3 c5 4. Bxc4 Bf5 5. Nc3 Nc6 6. Qb3 cxd4 *
Position (FEN): r2qkbnr/pp2pppp/2n5/5b2/2Bp4/1QN1P3/PP3PPP/R1B1K1NR w KQkq - 0 7
White to move.
Themes: Attacking f2 or f7 Opening  
Puzzle rating: 897
Best move: Bxf7+