Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Taimanov_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Bb4 6. a3 Qa5 *
Position (FEN): r1b1k1nr/pp1p1ppp/2n1p3/q7/1b1NP3/P1N5/1PP2PPP/R1BQKB1R w KQkq - 1 7
White to move.
Themes:  Opening  
Puzzle rating: 1822
Best move: axb4