text: E43 Nimzo-Indian, Fischer Variation E44 Nimzo-Indian, Fischer Variation, 5.Ne2
  E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation
  E46 Nimzo-Indian, 4.e3 0-0
  E47 Nimzo-Indian, 4.e3 0-0, 5.Bd3
  E48 Nimzo-Indian, 4.e3 0-0, 5.Bd3 d5
  E49 Nimzo-Indian, 4.e3, Botvinnik System
  E50 Nimzo-Indian, 4.e3 0-0, 5.Nf3, without ...d5
  E51 Nimzo-Indian, 4.e3 0-0, 5.Nf3 d5
  E52 Nimzo-Indian, 4.e3, Main line with ...b6
  E53 Nimzo-Indian, 4.e3, Main line with ...c5
  E54 Nimzo-Indian, 4.e3, Gligoric System with 7...dxc4
  E55 Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation
  E56 Nimzo-Indian, 4.e3, Main line with 7...Nc6
  E57 Nimzo-Indian, 4.e3, Main line with 8...dxc4 and 9...Bxc4 cxd4
  E58 Nimzo-Indian, 4.e3, Main line with 8...Bxc3
  E59 Nimzo-Indian, 4.e3, Main line
  E60–E99
  1.d4 Nf6 2.c4 g6 without 3...d5: Indian systems with ...g6 (except Grünfeld)
  E60 King's Indian Defence
  E61 King's Indian Defence, 3.Nc3
  E62 King's Indian, Fianchetto Variation
  E63 King's Indian, Fianchetto, Panno Variation
  E64 King's Indian, Fianchetto, Yugoslav System
  E65 King's Indian, Yugoslav, 7.0-0
  E66 King's Indian, Fianchetto, Yugoslav Panno
  E67 King's Indian, Fianchetto with ...Nd7
  E68 King's Indian, Fianchetto, Classical Variation, 8.e4
  E69 King's Indian, Fianchetto, Classical Main line
  E70 King's Indian, 4.e4
  E71 King's Indian, Makogonov System (5.h3)
  E72 King's Indian with e4 and g3
  E73 King's Indian, 5.Be2
  E74 King's Indian, Averbakh, 6...c5
  E75 King's Indian, Averbakh, Main line