Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Bird_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Ba4 Nf6 5. Nxe5 Qe7 6. Nf3 Qxe4+ 7. Kf1 Nxf3
8. Qxf3 *
Position (FEN): r1b1kb1r/pppp1ppp/5n2/8/B3q3/5Q2/PPPP1PPP/RNB2K1R b kq - 0 8
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1332
Best move: Qxa4