3 x 1. Main Level (5.00 avg depth)
27 x 2. 3...Bf5 - Part 1 (13.22 avg depth)
17 x 3. 3...Bf5 - Part 2 (12.18 avg depth)
21 x 4. 3...Bf5 - Part 3 (12.62 avg depth)
16 x 3...Bf5 - Part 4 (16.75 avg depth)
19 x 3...c5 4 dxc5 - New Recommendation (12.42 avg depth)
5 x 8. Sidelines (8.60 avg depth)
28 x 6. 3...c5 4 Nf3 - Old Recommendation (10.71 avg depth)
