1 x Introduction (1.00 avg depth)
46 x Quickstarter Guide (13.67 avg depth)
36 x 1) Queen's Gambit Accepted (14.44 avg depth)
14 x 2) Queen's Gambit Declined 3...a6 (14.00 avg depth)
25 x 3) Queen's Gambit Declined 3...Nf6 (14.84 avg depth)
24 x 4) Queen's Gambit Declined 3...Be7 (14.13 avg depth)
18 x 5) Queen's Gambit Declined 3...Bb4 (15.50 avg depth)
21 x 6) Triangle Slav (13.81 avg depth)
18 x 7) Tarrasch Defence (14.06 avg depth)
19 x 8) Semi-Tarrasch Defence (16.58 avg depth)
37 x 9) Slav Defence (13.32 avg depth)
16 x 10) Delayed Queen's Gambit Accepted (12.69 avg depth)
11 x 11) Queen's Gambit Stonewall (15.27 avg depth)
11 x 12) Austrian / Symmetrical Defence (12.27 avg depth)
8 x 13) Baltic Defence (12.63 avg depth)
16 x 14) Marshall Defence (13.25 avg depth)
9 x 15) Chigorin Defence (15.56 avg depth)
19 x 16) Albin Countergambit (12.47 avg depth)
13 x 17) Von Hennig-Schara Gambit (17.08 avg depth)
39 x 18) Nimzo-Indian (14.56 avg depth)
45 x 19) Benko Gambit (14.69 avg depth)
37 x 20) Grünfeld Defence (15.51 avg depth)
36 x 21) King's Indian Averbakh System - Black Sidelines (15.53 avg depth)
27 x 22) King's Indian Averbakh System 6...c5 (20.11 avg depth)
21 x 23) Early Benoni (1.d4 c5 2.d5 Rare Lines) (12.14 avg depth)
15 x 24) Old Indian Defence (12.07 avg depth)
6 x 25) Czech Benoni (11.33 avg depth)
7 x 26) Snake Benoni (14.57 avg depth)
23 x 27) Modern Benoni (17.48 avg depth)
11 x 28) Accelerated Queen's Indian Defence (11.91 avg depth)
29 x 29) Budapest Gambit (13.97 avg depth)
3 x 30) Owen's Defence (Hippo) (9.33 avg depth)
17 x 31) Dutch Defence (11.35 avg depth)
11 x 32) Classical Dutch (11.82 avg depth)
4 x 33) English Defence (10.00 avg depth)
13 x 34) Keres Defence (13.62 avg depth)
26 x 35) Philidor & Pirc (1.d4 d6 2.e4) (12.69 avg depth)
10 x 36) Modern Defence (1.d4 g6 2.e4) (11.90 avg depth)
6 x 37) The Norwegian Rat (13.83 avg depth)
9 x 38) Polish Defence (and other quick ...b5 ideas) (11.44 avg depth)
8 x 39) Queen's Knight Defence (10.63 avg depth)
15 x 40) Mexican Defence (11.27 avg depth)
6 x 41) Englund Gambit (9.50 avg depth)
40 x Model Games (40.25 avg depth)