Chess puzzle (Advantage)
Opening: Horwitz_Defense, Horwitz_Defense_Other_variations
Moves: 1. d4 e6 2. Bf4 Bb4+ 3. c3 Ba5 4. b4 Bb6 5. a4 c5 6. a5 Bc7 7. dxc5 *
Position (FEN): rnbqk1nr/ppbp1ppp/4p3/P1P5/1P3B2/2P5/4PPPP/RN1QKBNR b KQkq - 0 7
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 845
Best move: Bxf4