15 x 2. Main Line 4...Bc5 Classical Variation (12.40 avg depth)
15 x 3. Main Line 4...Nf6 Mieses Variation (14.00 avg depth)
5 x 4. 4...Bb4+ (13.40 avg depth)
1 x 5. 4...Qf6 (6.00 avg depth)
7 x 6. 4...Qh4 Steinitz Variation (11.43 avg depth)
6 x 7. 4...d6 (11.67 avg depth)
8 x 8. 4...g6 (12.13 avg depth)
5 x 9. 4...Nxd4 (13.20 avg depth)
1 x 10. 4...Nge7 (12.00 avg depth)
15 x 11. Traps and Tactical Tricks (11.27 avg depth)
