2 x 1. Introduction (22.50 avg depth)
23 x 2. 4... dxc4 (15.17 avg depth)
14 x 3. 4... Bb4+ (16.07 avg depth)
14 x 4. 4... c5 5.cxd5 exd5 (Tarrasch Defense) (17.14 avg depth)
14 x 5. 4... c5 5.cxd5 exd5 (semi – Tarrasch Defense) (14.71 avg depth)
14 x 6. 4... c6 5.Qc2 Nbd7 6.Bg2 Bd6 (14.86 avg depth)
16 x 7. 4... Be7 5.Bg2 0-0 6.0-0 dxc4 (15.31 avg depth)
16 x 8. 4... Be7 5.Bg2 0-0 6.0-0 c6 (15.56 avg depth)
5 x 9. 4... Be7 5.Bg2 0-0 6.0-0 b6 (12.80 avg depth)
4 x 10. 4... Be7 5.Bg2 0-0 6.0-0 Nbd7 (14.25 avg depth)
40 x 11. Tactical and strategical ideas (2.73 avg depth)
10 x 12. Model games (37.80 avg depth)