Chess puzzle (Crushing)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Napoleon_Attack
Moves: 1. e4 e5 2. Qf3 Qf6 3. Qc3 Qc6 4. Qb3 Qb6 5. Bb5 Qg6 6. g3 *
Position (FEN): rnb1kbnr/pppp1ppp/6q1/1B2p3/4P3/1Q4P1/PPPP1P1P/RNB1K1NR b KQkq - 0 6
Black to move.
Themes:  Opening  
Puzzle rating: 531
Best move: Qxe4+