Introduction (1 variation)

Quickstarter Guide (25 variations, 15.1 avg. trainable depth)

1) 5.Nf3 Bf5 6.Bc4 e6 7.Bd2 Bb4 – Move 8 Sidelines (61 variations, 16.5 avg. trainable depth)

2) 5.Nf3 Bf5 6.Bc4 – 8.a3 Main lines (23 variations, 18.6 avg. trainable depth)

3) 5.Nf3 Bf5 6.Bd2 c6: 7.Ne4, 7.Nh4, and 7.Bc4 (29 variations, 18.0 avg. trainable depth)

4) 5.Nf3 Bf5 6.Ne5 c6 without 7.Bc4 (32 variations, 16.2 avg. trainable depth)

5) 5.Nf3 Bf5 6.Ne5 c6 7.Bc4 (41 variations, 17.9 avg. trainable depth)

6) 5.Bd2 Bg4 (6.Nf3 & 6.Be2) (24 variations, 12.5 avg. trainable depth)

7) 5.Bd2 Bg4 6.f3 Bd7 (57 variations, 15.7 avg. trainable depth)

8) 5.Bc4 Bg4 (55 variations, 15.4 avg. trainable depth)

9) 5.Bd3 and 5.a3 (9 variations, 12.0 avg. trainable depth)

10) 4.Bc4/d3 Setups (24 variations, 10.5 avg. trainable depth)

11) 4.b4, 4.Rb1, 4.g3 and 4.Qe2 (22 variations, 11.4 avg. trainable depth)

12) 3.Nf3 without 5.d4 (35 variations, 12.7 avg. trainable depth)

13) 3.Nf3 – 5.d4 O-O-O 6.Be3 (44 variations, 15.2 avg. trainable depth)

14) 3.Nf3 – 5.d4 O-O-O 6.c4 (31 variations, 18.0 avg. trainable depth)

15) Third Move Alternatives (18 variations, 10.9 avg. trainable depth)

16) Second Move Alternatives (78 variations, 11.5 avg. trainable depth)

Introduction (5 variations)

Quickstarter (42 variations, 15.4 avg. trainable depth)

1st Miscellaneous Moves – Overview (8 variations, 3.3 avg. trainable depth)

1) 1st Knight Moves (except for 1.Nf3) (10 variations, 8.0 avg. trainable depth)

2) 1st Flank Pawn Moves (12 variations, 6.7 avg. trainable depth)

3) c, d, and f-pawn moves (7 variations, 4.6 avg. trainable depth)

4) 1.b4 & 1.g4 (13 variations, 7.3 avg. trainable depth)

1.b3, 1.g3, 1.f4, and Hippo – Overview (10 variations, 7.1 avg. trainable depth)

5) 1.b3 (15 variations, 11.2 avg. trainable depth)

6) 1.g3 (11 variations, 12.5 avg. trainable depth)

7) 1.f4 (19 variations, 13.2 avg. trainable depth)

8) Hippopotamus Defense (5 variations, 10.4 avg. trainable depth)

1.Nf3 Nf6 without 2.c4 – Overview (9 variations, 8.8 avg. trainable depth)

9) 1.Nf3 Nf6 – 2nd Move Alternatives (6 variations, 8.2 avg. trainable depth)

10) 1.Nf3 Nf6 2.g3 – Reversed Grünfeld (6 variations, 11.8 avg. trainable depth)

11) 1.Nf3 Nf6 2.g3 – 4.O-O e5 5.e4 – (c3&d4 plans) (16 variations, 16.2 avg. trainable depth)

12) 1.Nf3 Nf6 2.g3 – 4.O-O e5 5.e4 – (d3 plans) (15 variations, 12.5 avg. trainable depth)

13) 1.Nf3 Nf6 2.g3 – 4.O-O e5 5.d3 – Reversed KID (13 variations, 11.7 avg. trainable depth)

1.Nf3 Nf6 2.c4 c5 – Overview (9 variations, 8.9 avg. trainable depth)

14) 1.Nf3 Nf6 2.c4 c5 – 3rd Move Alternatives (5 variations, 12.4 avg. trainable depth)

15) 1.Nf3 Nf6 2.c4 c5 3.d4 (9 variations, 15.7 avg. trainable depth)

16) 1.Nf3 Nf6 2.c4 c5 3.g3 (12 variations, 13.7 avg. trainable depth)

17) Four Knights – 4.g3 (13 variations, 19.7 avg. trainable depth)

18) Four Knights – 4.e4/4.d3 (7 variations, 10.0 avg. trainable depth)

19) Four Knights – 4.e3 e5 – 5th Move Alternatives (11 variations, 13.2 avg. trainable depth)

20) Four Knights – 5.d4 e4 6.d5/6.Nd2/6.Ng5 (12 variations, 15.6 avg. trainable depth)

21) Four Knights – 5.d4 e4 6.Ne5 (12 variations, 15.4 avg. trainable depth)

1.Nf3 Nf6 2.c4 c5 3.Nc3 Nc6 4.d4 – Overview (7 variations, 11.0 avg. trainable depth)

22) 4.d4 cxd4 5.Nxd4 e6 – 6th Move Alternatives (21 variations, 12.7 avg. trainable depth)

23) 4.d4 cxd4 5.Nxd4 e6 6.e4 (7 variations, 15.4 avg. trainable depth)

24) 4.d4 cxd4 5.Nxd4 e6 6.a3 Bc5– 7th Move Alternatives (11 variations, 11.2 avg. trainable depth)

25) 4.d4 cxd4 5.Nxd4 e6 6.a3 Bc5 7.Nb3 (12 variations, 14.0 avg. trainable depth)

26) 5.Nxd4 e6 6.g3 Qb6 – 7th Move Alternatives (6 variations, 12.7 avg. trainable depth)

27) 5.Nxd4 e6 6.g3 Qb6 7.Nb3 (13 variations, 16.5 avg. trainable depth)

28) 5.Nxd4 e6 6.g3 Qb6 7.Ndb5 Ne5 8.Bg2 (15 variations, 17.3 avg. trainable depth)

29) 5.Nxd4 e6 6.g3 Qb6 7.Ndb5 Ne5 8.Bf4 (9 variations, 19.4 avg. trainable depth)

1.c4 c5 – Overview (14 variations, 8.6 avg. trainable depth)

30) 1.c4 c5 – Early Deviations (17 variations, 10.8 avg. trainable depth)

31) 1.c4 c5 – 4.cxd5 Nxd5 5.Nf3 (6 variations, 13.7 avg. trainable depth)

32) 1.c4 c5 – 5.Bg2 Nc7 – 6th Move Alternatives (20 variations, 13.8 avg. trainable depth)

33) 1.c4 c5 – 5.Bg2 Nc7 6.d3 (6 variations, 12.2 avg. trainable depth)

34) 1.c4 c5 – 6.Nf3 Nc6 7.O-O e5– 8th Move Alternatives (10 variations, 15.4 avg. trainable depth)

35) 1.c4 c5 – 6.Nf3 Nc6 7.O-O e5 8.d3 (16 variations, 14.6 avg. trainable depth)

36) 1.c4 c5 – 6.Nf3 Nc6 7.a3 (9 variations, 17.6 avg. trainable depth)

37) Colle System (24 variations, 10.5 avg. trainable depth)