5 x Introduction (3.80 avg depth)
12 x Quickstarter (12.67 avg depth)
15 x Key middlegame themes (5.13 avg depth)
22 x 1. 2nd move sidelines [inc. Latvian & Elephant Gambits] (10.59 avg depth)
32 x 2. 2...d6 Philidor (12.72 avg depth)
17 x 3. Petroff | 3rd move options [inc. Stafford Gambit] (10.53 avg depth)
7 x 4. Petroff | 5th move options (10.86 avg depth)
26 x 5. Petroff | 5...d5 6...Bf5 & others (17.08 avg depth)
21 x 6. Petroff | 5...d5 6...Bd6 (17.76 avg depth)
20 x 7. Petroff | 5...d5 6...Nc6 (14.90 avg depth)
12 x 8. Bonus: 1...Nc6 (10.33 avg depth)
6 x 9. Model games (40.33 avg depth)
20 x 10. Thematic tactical puzzles (4.30 avg depth)
2 x Reference Lines (1.00 avg depth)