Introduction (11 variations, 8.7 avg. trainable depth)

Quickstarter (38 variations, 15.2 avg. trainable depth)

C1: Bd2 without 7.0-0 (37 variations, 16.5 avg. trainable depth)

C2: Bd2 7.O-O Move 8 Sidelines (42 variations, 15.2 avg. trainable depth)

C3: Bd2 9.Bf4 10.Rd1 11.Ne5 Mainline (26 variations, 20.3 avg. trainable depth)

C4: Bd2 9.Bf4 10.Rd1 11.Nbd2 & 11.Nc3 (28 variations, 21.5 avg. trainable depth)

C5: Bd2 Move 9 Sidelines (14 variations, 15.0 avg. trainable depth)

C6: Bd2 9. Rd1 & 10.b3 (31 variations, 18.9 avg. trainable depth)

C7: Bd2 Move 10 Sidelines (53 variations, 17.9 avg. trainable depth)

C8: 3.Nf3 5.Nd2 6.a3 (21 variations, 17.0 avg. trainable depth)

C9: 3.Nf3 5.Nd2 6.Bg2 (39 variations, 18.1 avg. trainable depth)

C10: 3.Nf3 5.Nd2 6.Qc2 (15 variations, 14.7 avg. trainable depth)

C11: 3.g3 4.Nd2 5.Ngf3 & 5.dxc5 (20 variations, 16.8 avg. trainable depth)

C12: 3.g3 4.Nd2 5.a3 without 8.Bg2 (34 variations, 16.8 avg. trainable depth)

C13: 3.g3 4.Nd2 5.a3 & 8.Bg2 (16 variations, 21.3 avg. trainable depth)

C14: 3.g3 4.Nc3 without Nf3 (47 variations, 13.4 avg. trainable depth)

C15: 3.Nf3 5.Nc3 Move 6 Sidelines (25 variations, 15.3 avg. trainable depth)

C16: 3.Nf3 5.Nc3 7.a3 & 7.Ne5 (28 variations, 15.6 avg. trainable depth)

C17: 3.Nf3 5.Nc3 (Mainline) 8. Bg5, 8.Re1, 8.e3 (35 variations, 15.7 avg. trainable depth)

C18: 3.Nf3 5.Nc3 (Mainline) 8. Qa4& 8.a3 (40 variations, 17.5 avg. trainable depth)

C19: Model Games (5 variations)