4 x Overview (5.25 avg depth)
43 x The Endgame Variation (15.65 avg depth)
57 x The Antoshin Variation (16.05 avg depth)
86 x Side variations after 1.e4 d6 (13.69 avg depth)
54 x The Old Indian: The Classical System (16.46 avg depth)
52 x The Old Indian: The Fianchetto System (15.63 avg depth)
24 x The Old Indian: The system Bg5 and e2-e3 (11.79 avg depth)
29 x The Old Indian: White plays an early d4-d5 (14.00 avg depth)
9 x The Old Indian: The build-up with e2-e3 (11.33 avg depth)
64 x Side variations after 1.d4 d6 (10.77 avg depth)
24 x The English Opening: w/ Nf3, d3 (12.29 avg depth)
7 x The English Opening: w/ d3, e4, Nge2 (18.71 avg depth)
8 x The English Opening: w/ d3, e3, Nge2 (14.88 avg depth)
8 x The English Opening: w/e3, d4, Nge2 (13.88 avg depth)
45 x Flank openings (11.04 avg depth)