8 x Introduction (1.00 avg depth)
2 x Index of all named openings (1.00 avg depth)
18 x The first move - Chapter overview (1.00 avg depth)
32 x 1. e4 - King's Pawn Opening (2.06 avg depth)
47 x 1. e4 - Sicilian Defense Part 1 (3.72 avg depth)
31 x 1. e4 - Sicilian Defense Part 2 (5.55 avg depth)
38 x 1. e4 - Ruy López (Spanish Game) (6.32 avg depth)
40 x 1. e4 - French Defense (4.45 avg depth)
21 x 1. e4 - Caro-Kann Defense (4.86 avg depth)
31 x 1. e4 - Pirc, Philidor & Modern Defense with 1. e4 (3.06 avg depth)
16 x 1. e4 - Scotch & Four Knights Game (3.94 avg depth)
13 x 1. e4 - Italian Game (3.77 avg depth)
11 x 1. e4 - Petrov Defense (4.18 avg depth)
18 x 1. e4 - Scandinavian & Alekhine Defense (2.94 avg depth)
22 x 1. d4 - Queen's Pawn Opening (1.82 avg depth)
32 x 1. d4 Nf6 (Indian Game) (2.63 avg depth)
21 x 1. d4 - Nimzo-Indian Defense (4.67 avg depth)
19 x 1. d4 - Queen's Indian Defense (4.79 avg depth)
7 x 1. d4 - Bogo-Indian Defense (3.43 avg depth)
36 x 1. d4 - King's Indian Defense (5.39 avg depth)
29 x 1. d4 - Grünfeld Defense (4.66 avg depth)
23 x 1. d4 - Benoni Defense & Benko Gambit (5.65 avg depth)
18 x 1. d4 - Catalan Opening (4.89 avg depth)
15 x 1. d4 d5 (Closed Game) (2.13 avg depth)
10 x 1. d4 - Queen's Gambit Accepted (3.40 avg depth)
25 x 1. d4 - QGD, Slav Defense (4.32 avg depth)
16 x 1. d4 - QGD, Semi-Slav Defense (5.88 avg depth)
16 x 1. d4 - QGD, Modern and Exchange Variation (5.38 avg depth)
15 x 1. d4 - QGD, Three Knights Variation (4.80 avg depth)
18 x 1. d4 - QGD, Other Variations (3.56 avg depth)
17 x 1. d4 - Dutch Defense (3.06 avg depth)
7 x 1. d4 - London System (2.86 avg depth)
27 x 1. c4 - Symmetrical English (3.81 avg depth)
25 x 1. c4 - English Opening, Anglo-Indian Defense (2.92 avg depth)
25 x 1. c4 - English Opening, Other Variations (2.52 avg depth)
26 x 1. Nf3 - Zukertort Opening (2.27 avg depth)
