Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Double_Spanish
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. d4 exd4 6. Nxd4 Nxd4 7. Qxd4 O-O *
Position (FEN): r1bq1rk1/pppp1ppp/5n2/1B6/1b1QP3/2N5/PPP2PPP/R1B1K2R w KQ - 1 8
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1103
Best move: Qxb4