Introduction (6 variations)

Lesson 10: 2nd Move Sidelines (23 variations, 7.7 avg. trainable depth)

Lesson 11: Petroff with 3. d4 (31 variations, 10.7 avg. trainable depth)

Lesson 12: Petroff with 3. Nxe5 (46 variations, 12.5 avg. trainable depth)

Lesson 13: Four Knights (40 variations, 10.5 avg. trainable depth)

Lesson 14: Scotch (59 variations, 11.8 avg. trainable depth)

Lesson 15: Italian Sharp Lines (35 variations, 11.7 avg. trainable depth)

Lesson 16: Italian with c3 and d3 (101 variations, 11.8 avg. trainable depth)

Lesson 17: Spanish, Black’s Early Alternatives (44 variations, 9.1 avg. trainable depth)

Lesson 18: Spanish, Berlin with 4. d3 (102 variations, 10.3 avg. trainable depth)

Lesson 19: Spanish, Berlin with 4. O-O (75 variations, 14.4 avg. trainable depth)

Lesson 20: Open Spanish & White’s Early Alternatives (58 variations, 11.9 avg. trainable depth)

Lesson 21: Spanish 5… b5 6. Bb3 Bc5 and 5… Bc5 (44 variations, 13.3 avg. trainable depth)

Lesson 22: Spanish 5… Be7 – White’s Alternatives (34 variations, 13.0 avg. trainable depth)

Lesson 23: Spanish Mainline – Systems with …d6 (64 variations, 16.1 avg. trainable depth)

Lesson 24: Spanish Mainline – Marshall Gambit (38 variations, 19.5 avg. trainable depth)

Lesson 25: Spanish Mainline – Anti-Marshalls (42 variations, 13.1 avg. trainable depth)