Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Smith-Morra_Gambit
Moves: 1. e4 c5 2. d4 cxd4 3. Qxd4 Nf6 4. b3 Nc6 5. Bb2 *
Position (FEN): r1bqkb1r/pp1ppppp/2n2n2/8/3QP3/1P6/PBP2PPP/RN2KBNR b KQkq - 2 5
Black to move.
Themes:  Opening  
Puzzle rating: 837
Best move: Nxd4