Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...Nxd5/6. Nxf7/6...Kxf7/7. Qf3/7...Ke6/8. Nc3/8...Nb4/9. a3

=Fried Liver Attack=

9. a3?!
White sacrifices a rook for unclear compensation. This move has frequently been recommended in the past, however recent computer-assisted analysis suggests that black is better after 9...Nxc2+ 10.Kd1 Nxa1 11.Nxd5 Qh4!

=Theory Table= .
 * 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Ncb4