Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Kings_English_Variation
Moves: 1. c4 e5 2. Nc3 Nf6 3. e4 Bb4 4. a3 Bxc3 5. dxc3 d6 6. c5 Nxe4 *
Position (FEN): rnbqk2r/ppp2ppp/3p4/2P1p3/4n3/P1P5/1P3PPP/R1BQKBNR w KQkq - 0 7
White to move.
Themes:  Opening  
Puzzle rating: 1352
Best move: Qa4+