Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Chigorin_Variation
Moves: 1. d4 d5 2. Nc3 Nc6 3. Bf4 a6 4. e4 dxe4 5. d5 Nb4 6. Bc4 Nf6 *
Position (FEN): r1bqkb1r/1pp1pppp/p4n2/3P4/1nB1pB2/2N5/PPP2PPP/R2QK1NR w KQkq - 3 7
White to move.
Themes:  Opening  
Puzzle rating: 1662
Best move: a3