Chess puzzle (Advantage)
Opening: Benoni_Defense, Benoni_Defense_Benoni_Gambit_Accepted
Moves: 1. d4 c5 2. dxc5 Qa5+ 3. Nc3 e6 4. b3 *
Position (FEN): rnb1kbnr/pp1p1ppp/4p3/q1P5/8/1PN5/P1P1PPPP/R1BQKBNR b KQkq - 0 4
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 705
Best move: Qxc3+