--ECO codes 1Abbreviated Listing of Chess ECO codes (Code & Variation Name only) [Chessopolis] Page 1 of4

ECO Codes

AOOA01A02-A03

A03A04-A09A10All-A12A13-A39

A17A20-A29A30-A31A32-A39

A40A41-A42A43-A44A45A46A47A4B-A49A50A51-A52

A52A53-A55AS6A57-A59

ASBA60-A79ABO-A99

AB2AB3AB7-A90

BOOB01B02-B05

B03B06B07-B09

BOBB09

B10-B19B11B12B14

B20-B99B21B22B23-B26B29B30-B31B32B33B34-B39

B37-B3BB40B41-B49

B41-B43B44

Polish Opening; Sokolsky's OpeningLarsen AttackBird's Opening

Dutch Variati.onKing's Indian AttackEnglish OpeningReti OpeningEngli.sh Opening

Hedgehog Vari.ationReversed Sici.lianHedgehod Vari.ationSymmetrical Variation

Englund GambitModern DefenseOld Benoni. DefenseTrompovsky AttackQueen's Pawn GameQueen's Indian DefenseTorre AttackQueen's Indian DefenseBudapest Gambit

Main LineOld Indian DefenseCzech Benoni DefenseBenko (Volga) Gambit

AcceptedModern Benoni. DefenseDutch Defense

Staunton GambitMainli.neLeningrad

Ni.mzowitsch Defense; Owens DefenseScandinavi.an DefenseAlekhine's Defense

Four Pawns AttackModern DefensePirc Defense

Classical VariationAustrian Attack

Caro-Kann DefenseTwo Knights' Defense3.c5 AttackPanov Attack

Sicili.an DefenseMorra Gambit; Grand Prix AttackAlapin VariationClosed Variati.onRubinstein VariationRossolimo VariationLowenthal Hunting Vari.ationSveshnikov VariationAccelerated Dragon Variation

Maroczy Bi.ndCounter Attack VariationPaulsen Variation

Kan SystemTiamanov System

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ECO codes / Abbreviated Listing of Chess ECO codes (Code & Variation Name only) [Chessopolis]B45 Classical SystemB46-B47 Tiamanov System

Kopec VariationRossolimo VariationHungarian VariationAnti-Dragon VariationSozin-Benko VariationBoleslavsky VariationRichter Rauzer AttackDragon Variation

Classical SystemYugoslav Attack

Scheveningen VariationKeres SystemFischer/Sozin System

Najdorf VariationGoteborg SystemPoisoned Pawn System

French DefenseExchange VariationAdvance VariationTarrasch Variation

3 .... a6 System3. ... Bc6 System3 Nf6 System3 c5 System

Rubinstein VariationSteinitz VariationMacCutcheon VariationWinawer Variation

Lapus Manus SystemSwiss SystemMain LineExchange Sys tem

Nordic GambitCenter GameBishop's OpeningVienna GameKing's Gambit

Falkbeer Counter GambitKeres VariationCunningham VariationModern VariationMuzio GambitGreco & Philidor GambitsAllagier & Kiesertisky Gambits

Latvian GambitPhilidor's DefenseRussian (Petroff's) DefensePonziani OpeningScotch GameThree Knights' OpeningFour Knights' OpeningItalian Game (Guioco Piano)

Hungarian DefenseEvans GambitTwo Knights' DefenseMax Lange AttackTwo Knights' Defense

Spanish Opening (Ruy Lopez)Bird's DefenseOld Steinitz DefenseSchliemann GambitCordel Defense

B50B51-B52B53B55B57B58B60-B69B70-B79

B72B76-B78

B80-B89B81B86-B87

B90-B99B96B97

COO-C20C01C02C03-C09

C03C04C05-C06C07-C09

CIOCllC12C15-C20

C15C17C18C20

C21C22C23-C24C25-C29C30-C30

C31-C32C33C35C36C37C38C39

C40C41C42-C43C44C45C46C47-C49C50-C59

C50C51-C52C55C56C57-C59

C60-C99C61C62C63C64

Page 2 of4

http://www.chessopolis.com/ecoshort.htm 21212010

ECO codes 1 Abbreviated Listing of Chess ECO codes (Code & Variation Name only) [Chessopolis]C65 Berlin DefenseC66 Modern Steinitz DefenseC67 Rio de Janerio DefenseC68-C69 Exchange VariationC71-C76 Modern Steinitz DefenseC77 Anderssen VariationC78 Archangel Variation; Moeller AttackC79 Russian VariationC80-C83 Open Variation

C80 Bernstein SystemC81 Keres SystemC83 Main Line

Center AttackDelayed Defered Exchange VariationWorral AttackMarshall GambitZaitsev VariationSmyslov VariationBreyer VariationTchigorin

Queen's Pawn OpeningVeresov OpeningGruenfeld Reversed Opening

C84C85C86C88C92C93C94-C95C96-C99

DOODOlD02D03D04D05D06-D69

D07D08-D09DIO-D19

D14D15D17D18D19

D20-D29D21

D30-D69D31D32-D33D34D35-D36D37D38-D39D40-D42D43D44-D45D46D47-D49D51-D52D53-D54D55D56D57D58-D59D60-D62D63-D66D67D68

D70-D99D7lD76D79D82-D84

Page 3 of4

Colle SystemQueen's Gambit

Tchigorin VariationAlbin Counter GambitSlav Defense

Exchange SystemGeller GambitCzech SystemMain LineEuwe System

AcceptedBorsenko-Furman System

DeclinedAlatortsev SystemTarrasch SystemRubinstein SystemExchange System5.Bf4 SystemRagozin DefenseSemi-Tarrasch DefenseSemi-Slav DefenseAnti-Meran DefenseSemi-Slav DefenseMeran DefenseCambridge Springs DefenseOrthodox DefenseAnti-Tartakower SystemLasker SystemModern SystemTartakower SystemOrthodox DefenseBlackburne SystemCapablanca SystemBlackburne System

Grunfeld DefenseNeo-Grunfeld VariationOrthodox Fianchetto VariationSlav VariationBf4 System

http://www.chessopolis.com/ecoshort.htm 2/2/2010

ECO codes 1Abbreviated Listing of Chess ECO codes (Code & Variation Name only) [Chessopolis]085087089093094-095D96097099

EOO-E09E04-E05E06-E09

E10EllE12-E19

E15E16

E20-E59E24-E29E30-E3lE32-E39E4l-E42E43-E46E47-E49E50-E59

E60-E99E62-E70

E62-E63E65-E66

E73-E74E76-E79E80-E89

E8lE83

E92E93

Page 4 of4Modern Exchange VariationBotvinnik Exchange VariationExchange VariationBg3 System.Closed VariationRussian VariationRagozin Variation (Classical)Ragozin Variation (Smyslov)

Catalan OpeningOpen VariationClosed Variation

Blumenfeld GambitBogo-Indian DefenseQueen's Indian Defense

Accelerated Fianchetto VariationBogo Variation

Nimzo-Indian DefenseSaem.isch VariationLeningrad VariationClassical VariationHuebner VariationNimzowitsch VariationRubinstein VariationModern Variation

King's Indian DefenseFianchetto Variation

Panno Sys tem.Yugoslav System.

Averbach VariationFour Pawns' VariationClassical Variation

Saem.isch (Byrne) SystemPanov System.

Exchange VariationPetrosian Variation

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http://www.chessopolis.comlecoshort.htm 2/2/2010