Eco opening database; E00-E99
To view the ECO code, open E00-E99.txt or E00-E99.pgn
The Catalan Opening (E00-09)
The Queen's Indian Defense (E12-19)
The Nimzo-Indian Defense (E20-59)
The King's Indian Defense (E60-99)
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To open files in BZ2 format for windows, download the program 'PowerArchiver'
(I found this at http://download.com.com/3000-2250-10030093.html.)
E01= Catalan, closed
E02= Catalan, open, 5.Qa4
E03= Catalan, open, Alekhine variation
E04= Catalan, Open, 5.Nf3
E05= Catalan, Open, Classical line
E06= Catalan, Closed, 5.Nf3
E07= Catalan, Closed, 6...Nbd7
E08= Catalan, Closed, 7.Qc2
E09= Catalan, Closed, Main line
E10= Queen's pawn game 3. Nf3
E11= Bogo-Indian defense
E12= Queen's Indian defense
E13= Queen's Indian, 4.Nc3, Main line
E14= Queen's Indian, 4.e3
E15= Queen's Indian, 4.g3
E16= Queen's Indian, Capablanca variation
E17= Queen's Indian, 5.Bg2 Be7
E18= Queen's Indian, Old Main line, 7.Nc3
E19= Queen's Indian, Old Main line, 9.Qxc3
E20= Nimzo-Indian defense
E21= Nimzo-Indian, Three knights variation
E22= Nimzo-Indian, Spielmann variation
E23= Nimzo-Indian, Spielmann, 4...c5, 5.dc Nc6
E24= Nimzo-Indian, Saemisch variation
E25= Nimzo-Indian, Saemisch variation, Keres variation
E26= Nimzo-Indian, Saemisch variation, 4. a3 Bxc3+ 5. bxc3 c5 6. e3
E27= Nimzo-Indian, Saemisch variation, 5...0-0
E28= Nimzo-Indian, Saemisch variation, 6. e3
E29= Nimzo-Indian, Saemisch variation, Main line
E30= Nimzo-Indian, Leningrad variation,
E31= Nimzo-Indian, Leningrad variation, main line
E32= Nimzo-Indian, Classical variation
E33= Nimzo-Indian, Classical variation, 4...Nc6
E34= Nimzo-Indian, Classical, Noa variation
E35= Nimzo-Indian, Classical, Noa variation, 5. cxd5 exd5
E36= Nimzo-Indian, Classical, Noa variation, 5. a3
E37= Nimzo-Indian, Classical, Noa variation, Main line, 7.Qc2
E38= Nimzo-Indian, Classical, 4...c5
E39= Nimzo-Indian, Classical, Pirc variation
E40= Nimzo-Indian, 4.e3
E41= Nimzo-Indian, 4.e3 c5
E42= Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein)
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 O-O
E47= Nimzo-Indian, 4.e3 O-O, 5.Bd3
E48= Nimzo-Indian, 4.e3 O-O, 5.Bd3 d5
E49= Nimzo-Indian, 4.e3, Botvinnik system
E50= Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d5
E51= Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d5
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...dc
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= King's Indian defense
E61= King's Indian defense, 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.O-O
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, Makagonov system (5.h3)
E72= King's Indian with e4 & g3
E73= King's Indian, 5.Be2
E74= King's Indian, Averbakh, 6...c5
E75= King's Indian, Averbakh, Main line
E76= King's Indian, Four pawns attack
E77= King's Indian, Four pawns attack, 6.Be2
E78= King's Indian, Four pawns attack, with Be2 and Nf3
E79= King's Indian, Four pawns attack, Main line
E80= King's Indian, Saemisch variation
E81= King's Indian, Saemisch, 5...O-O
E82= King's Indian, Saemisch, double Fianchetto variation
E83= King's Indian, Saemisch, 6...Nc6
E84= King's Indian, Saemisch, Panno Main line
E85= King's Indian, Saemisch, Orthodox variation
E86= King's Indian, Saemisch, Orthodox, 7.Nge2 c6
E87= King's Indian, Saemisch, Orthodox, 7.d5
E88= King's Indian, Saemisch, Orthodox, 7.d5 c6
E89= King's Indian, Saemisch, Orthodox Main line
E90= King's Indian, 5.Nf3
E91= King's Indian, 6.Be2
E92= King's Indian, Classical variation
E93= King's Indian, Petrosian system, Main line
E94= King's Indian, Orthodox variation
E95= King's Indian, Orthodox, 7...Nbd7, 8.Re1
E96= King's Indian, Orthodox, 7...Nbd7, Main line
E97= King's Indian, Orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)
E98= King's Indian, Orthodox, Aronin-Taimanov, 9.Ne1
E99= King's Indian, Orthodox, Aronin-Taimanov, Main line