Chess puzzle (Crushing)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Napoleon_Attack
Moves: 1. e4 e5 2. Qf3 Nc6 3. Bc4 Qf6 4. Qc3 Bb4 5. Qxb4 *
Position (FEN): r1b1k1nr/pppp1ppp/2n2q2/4p3/1QB1P3/8/PPPP1PPP/RNB1K1NR b KQkq - 0 5
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 763
Best move: Nxb4