Chess puzzle (Advantage)
Opening: Slav_Defense, Slav_Defense_Other_variations
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Bf5 4. Qb3 dxc4 5. Qxb7 Nd7 6. e4 Be6 7. Qxc6 g6 8.
Bxc4 Bxc4 *
Position (FEN): r2qkbnr/p2npp1p/2Q3p1/8/2bPP3/2N5/PP3PPP/R1B1K1NR w KQkq - 0 9
White to move.
Themes:  Opening  
Puzzle rating: 1234
Best move: Qxc4