| E00 |
Neo-Catalan |
| E01 |
Catalan |
| E02 |
Catalan, Open Variation |
| E03 |
Catalan, Open |
| E04 |
Catalan, Open, 5.Nf3 |
| E05 |
Catalan, Open, Classical line |
| E06 |
Catalan, Closed Variation |
| E07 |
Catalan, Closed |
| E08 |
Catalan, Closed |
| E09 |
Catalan, Closed |
| E10 |
Indian system with 2...e6 |
| E11 |
Bogo-Indian Defence |
| E12 |
Queen's Indian Defence |
| E13 |
Queen's Indian, 4.Nc3, Main line |
| E14 |
Queen's Indian Defence, Closed Variation |
| E15 |
Queen's Indian Defence, Classical Variation |
| E16 |
Queen's Indian |
| E17 |
Queen's Indian |
| E18 |
Queen's Indian, Old Main line, 7.Nc3 |
| E19 |
Queen's Indian, Old Main line, 9.Qxc3 |
| E20 |
Nimzo-Indian Defence |
| E21 |
Nimzo-Indian Defence, Three Knights' System |
| E22 |
Nimzo-Indian Defence, Spielmann Variation |
| E23 |
Nimzo-Indian |
| E24 |
Nimzo-Indian Defence, Samisch Variation |
| E25 |
Nimzo-Indian Defence, Open Samisch Variation |
| E26 |
Nimzo-Indian Defence, Closed Samisch Variation |
| E27 |
Nimzo-Indian Defence, Samisch Variation |
| E28 |
Nimzo-Indian Defence, Closed Samisch Variation |
| E29 |
Nimzo-Indian, Samisch |
| E30 |
Nimzo-Indian Defence, Leningrad Variation |
| E31 |
Nimzo-Indian, Leningrad, Main line |
| E32 |
Nimzo-Indian Defence, Classical Variation |
| E33 |
Nimzo-Indian Defence, Classical Variation, Milner-Barry Variation |
| E34 |
Nimzo-Indian Defence, Classical Variation |
| E35 |
Nimzo-Indian, Classical, Noa Variation, 5.cd ed |
| E36 |
Nimzo-Indian, Classical |
| E37 |
Nimzo-Indian, Classical |
| E38 |
Nimzo-Indian, Classical, 4...c5 |
| E39 |
Nimzo-Indian, Classical, Pirc Variation |
| E40 |
Nimzo-Indian Defence, Rubinstein Variation |
| E41 |
Nimzo-Indian Defence, Rubinstein Variation, Hubner System |
| E42 |
Nimzo-Indian Defence, Rubinstein Variation, Rubinstein System |
| E43 |
Nimzo-Indian Defence, Rubinstein Variation, Fischer System |
| E44 |
Nimzo-Indian, Fischer Variation, 5.Ne2 |
| E45 |
Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| E46 |
Nimzo-Indian Defence, Rubinstein Variation, (main line) |
| E47 |
Nimzo-Indian, 4.e3 O-O 5.Bd3 |
| E48 |
Nimzo-Indian, 4.e3 O-O 5.Bd3 d5 |
| E49 |
Nimzo-Indian Defence, Rubinstein Variation (Closed Saemisch) |
| E50 |
Nimzo-Indian Defence, Rubinstein Variation |
| E51 |
Nimzo-Indian, 4.e3 |
| E52 |
Nimzo-Indian Defence, Rubinstein Variation, Tal System |
| E53 |
Nimzo-Indian Defence, Rubinstein Variation |
| E54 |
Nimzo-Indian, 4.e3, Gligoric System |
| E55 |
Nimzo-Indian Defence, Rubinstein Variation, Parma System |
| E56 |
Nimzo-Indian Defence, Rubinstein Variation (main line) |
| E57 |
Nimzo-Indian, 4.e3, Main line with 8...dc and 9...cd |
| E58 |
Nimzo-Indian, 4.e3, Main line with 8...Bxc3 |
| E59 |
Nimzo-Indian, 4.e3, Main line |
| E60 |
King's Indian Defence |
| E61 |
King's Indian |
| E62 |
King's Indian Defence, Fianchetto Variation |
| E63 |
King's Indian Defence, Fianchetto Variation, Panno system |
| E64 |
King's Indian Defence, Fianchetto Variation, Leningrad variation |
| E65 |
King's Indian, Fianchetto, Yugoslav, 7.O-O |
| E66 |
King's Indian, Fianchetto, Yugoslav Panno |
| E67 |
King's Indian Defence, Fianchetto Variation, classical system |
| E68 |
King's Indian, Fianchetto, Classical Variation, 8.e4 |
| E69 |
King's Indian, Fianchetto, Classical Main line |
| E70 |
King's Indian Defence |
| E71 |
King's Indian Defence, system with 5.h3 |
| E72 |
King's Indian Defence, Fianchetto Variation |
| E73 |
King's Indian Defence |
| E74 |
King's Indian Defence, Averbakh Variation |
| E75 |
King's Indian, Averbakh, Main line |
| E76 |
King's Indian Defence, Four Pawns' Attack |
| E77 |
King's Indian |
| E78 |
King's Indian, Four Pawns Attack, with Be2 and Nf3 |
| E79 |
King's Indian, Four Pawns Attack, Main line |
| E80 |
King's Indian Defence, Samisch Variation |
| E81 |
King's Indian, Samisch |
| E82 |
King's Indian Defence, Samisch Variation, Byrne System |
| E83 |
King's Indian Defence, Samisch Variation |
| E84 |
King's Indian, Samisch, Panno Main line |
| E85 |
King's Indian, Samisch, Orthodox Variation |
| E86 |
King's Indian, Samisch, Orthodox, 7.Nge2 c6 |
| E87 |
King's Indian, Samisch, Orthodox |
| E88 |
King's Indian, Samisch, Orthodox, 7.d5 c6 |
| E89 |
King's Indian |
| E90 |
King's Indian Defence, Classical Variation |
| E91 |
King's Indian |
| E92 |
King's Indian |
| E93 |
King's Indian Defence, Classical Variation, Petrosian System |
| E94 |
King's Indian Defence, Classical Variation, Old system |
| E95 |
King's Indian, Orthodox, 7...Nbd7, 8.Re1 |
| E96 |
King's Indian, Orthodox, 7...Nbd7 |
| E97 |
King's Indian Defence, Classical Variation, Mar del Plata System |
| E98 |
King's Indian, Orthodox, Aronin-Taimanov |
| E99 |
King's Indian, Orthodox, Aronin-Taimanov |
