5 x 1. Queen's Gambit Declined: Introduction (4.00 avg depth)
8 x 2. Ragozin: Theory (12.75 avg depth)
3 x 3. Ragozin: Ilustrative Games (34.00 avg depth)
4 x 4. Vienna: Theory (11.25 avg depth)
2 x 5. Vienna: Illustrative Games (23.00 avg depth)
6 x 6. Semi-Tarrasch: Theory (11.83 avg depth)
2 x 7. Semi-Tarrasch: Illustrative Games (44.00 avg depth)
10 x 8. Classical: Theory (13.00 avg depth)
1 x 9. Classical: Illustrative Games (34.00 avg depth)
