Chess puzzle (Equality)
Moves: 1. d4 d5 2. c4 dxc4 3. e3 Be6 4. Nc3 Nf6 5. Qa4+ c6 6. Bxc4 Bxc4 *
Position (FEN): rn1qkb1r/pp2pppp/2p2n2/8/Q1bP4/2N1P3/PP3PPP/R1B1K1NR w KQkq - 0 7
White to move.
Themes:  Opening  
Puzzle rating: 936
Best move: Qxc4