Chess puzzle (Advantage)
Opening: Slav_Defense, Slav_Defense_Modern_Line
Moves: 1. d4 d5 2. c4 c6 3. Nf3 Qc7 4. Nc3 e6 5. Bf4 *
Position (FEN): rnb1kbnr/ppq2ppp/2p1p3/3p4/2PP1B2/2N2N2/PP2PPPP/R2QKB1R b KQkq - 1 5
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 844
Best move: Qxf4