Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 e6 3. Bc4 a6 4. Qf3 b5 5. Be2 Bb7 6. d3 Qf6 7. b3 *
Position (FEN): rn2kbnr/1b1p1ppp/p3pq2/1pp5/4P3/1PNP1Q2/P1P1BPPP/R1B1K1NR b KQkq - 0 7
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1000
Best move: Qxc3+