Introduction (5 variations)

Quickstarter (31 variations, 13.6 avg. trainable depth)

1) Nimzo-Indian 4th move Alternatives (24 variations, 10.6 avg. trainable depth)

2) Nimzo-Indian Bd2 System (45 variations, 14.6 avg. trainable depth)

3) Nimzo-Indian 4.Bg5: Leningrad Variation (30 variations, 14.5 avg. trainable depth)

4) Nimzo-Indian 4.f3: The Kmoch Variation (50 variations, 14.8 avg. trainable depth)

5) Nimzo-Indian 4.a3: The Sämisch Variation (30 variations, 13.4 avg. trainable depth)

6) Classical Variation: 4. Qc2 O-O 5.a3 (75 variations, 17.3 avg. trainable depth)

7) Classical Variation: 4. Qc2 O-O 5.Nf3 (18 variations, 14.7 avg. trainable depth)

8) Classical Variation: 4. Qc2 O-O 5.e4 (31 variations, 19.4 avg. trainable depth)

9) Classical Variation: 4. Qc2 O-O 5th move Sidelines (15 variations, 11.3 avg. trainable depth)

10) The Rubinstein System: 4.e3 O-O 5.Nf3 (9 variations, 14.3 avg. trainable depth)

11) The Rubinstein System: 4.e3 O-O 5.a3 (14 variations, 15.9 avg. trainable depth)

12) The Rubinstein System: 4.e3 O-O 5.Ne2 (25 variations, 14.0 avg. trainable depth)

13) The Rubinstein System: 4.e3 O-O 5.Bd3 d5 6.a3 (16 variations, 15.6 avg. trainable depth)

14) The Rubinstein System: 4.e3 O-O 5.Bd3 d5 6.cxd5 (17 variations, 13.8 avg. trainable depth)

15) The Rubinstein System: 4.e3 O-O 5.Bd3 d5 6.Nge2 (13 variations, 15.6 avg. trainable depth)

16) The Rubinstein System: 4.e3 O-O 5.Bd3 d5 6.Nf3 (48 variations, 16.8 avg. trainable depth)

17) Nimzo-Indian: g3 Systems (23 variations, 14.3 avg. trainable depth)

18) Early d4 Deviations (19 variations, 8.9 avg. trainable depth)

19) Trompowsky (84 variations, 11.3 avg. trainable depth)

20) Veresov Opening (44 variations, 10.5 avg. trainable depth)

21) Jobava System (42 variations, 11.9 avg. trainable depth)

22) London System (95 variations, 14.2 avg. trainable depth)

23) 1.d4 Nf6 2.Nc3 d5 3rd move Sidelines (28 variations, 7.6 avg. trainable depth)

24) 1.d4 Nf6 2.c4 e6 3.g4 (5 variations, 11.0 avg. trainable depth)

25) Model Games (24 variations)

26) Exercises (115 variations, 15.3 avg. trainable depth)