A00 |
|
|
Irregular Openings |
A01 |
|
|
Larsen Attack |
A02-A03 |
|
|
Bird Opening |
|
A03 |
|
Dutch Variant |
A04-A09 |
|
|
King's Indian Attack |
A10 |
|
|
English Opening |
A11-A12 |
|
|
Reti Opening |
A13-A39 |
|
|
English Opening |
|
A17 |
|
Hedgehog Variant |
|
A20-A29 |
|
Sicilian Reversed |
|
A30-A31 |
|
Hedgehog Variant |
|
A32-A39 |
|
Symmetrical Variant |
A40 |
|
|
Englund Gambit |
A41-A42 |
|
|
Modern Defense |
A43-A44 |
|
|
Old Benoni Defense |
A45 |
|
|
Trompovsky Attack |
A46 |
|
|
Queen's Pawn Game |
A47 |
|
|
Queen's Indian Defense |
A48-A49 |
|
|
King's Indian, Torre Attack |
A50 |
|
|
Queen's Indian Defense |
A51-A52 |
|
|
Budapest Gambit |
|
A52 |
|
Main Line |
A53-A55 |
|
|
Old Indian Defense |
A56 |
|
|
Czech Benoni Defense |
A57-A59 |
|
|
Benko (Volga) Gambit |
|
A58 |
|
Accepted |
A60-A79 |
|
|
Modern Benoni Defense |
A80-A99 |
|
|
Dutch Defense |
|
A82 |
|
Staunton Gambit |
|
A83 |
|
Main Line |
|
A87-A90 |
|
Leningrad |
B00 |
|
|
Nimzowitsch Defense; Owens Defense |
B01 |
|
|
Scandinavian Defense |
B02-B05 |
|
|
Alekhine Defense |
|
B03 |
|
Four Pawns Attack |
B06 |
|
|
Modern Defense |
B07-B09 |
|
|
Pirc Defense |
|
B08 |
|
Classic Variant |
|
B09 |
|
Austrian Attack |
B10-B19 |
|
|
Caro-Kann Defense |
|
B11 |
|
Two Knights Variant |
|
B12 |
|
Advance Variant |
|
B14 |
|
Panov Attack |
B20-B99 |
|
|
Sicilian Defense |
|
B21 |
|
Morra Gambit; Grand Prix Attack |
|
B22 |
|
Alapin Variant |
|
B23-B26 |
|
Closed Variant |
|
B29 |
|
Rubinstein Variant |
|
B30-B31 |
|
Rossolimo Variant |
|
B32 |
|
Lowenthal Variant |
|
B33 |
|
Sveshnikov Variant |
|
B34-B39 |
|
Accelerated Dragon Variant |
|
|
B37-B38 |
Maroczy Bind |
|
B40 |
|
Counter Attack Variant |
|
B41-B49 |
|
Paulsen Variant |
|
|
B41-B43 |
Kan System |
|
|
B44 |
Taimanov System |
|
|
B45 |
Classic System |
|
|
B46-B47 |
Taimanov System |
|
B50 |
|
Kopec Variant |
|
B51-B52 |
|
Rossolimo Variant |
|
B53 |
|
Hungarian Variant |
|
B55 |
|
Anti-Dragon Variant |
|
B57 |
|
Sozin-Benko Variant |
|
B58 |
|
Boleslavsky Variant |
|
B60-B69 |
|
Richter Rauzer Attack |
|
B70-B79 |
|
Dragon Variant |
|
|
B72 |
Classic System |
|
|
B76-B78 |
Yugoslav Attack |
|
B80-B89 |
|
Scheveningen Variant |
|
|
B81 |
Keres System |
|
|
B86-B87 |
Fischer/Sozin System |
|
B90-B99 |
|
Najdorf System |
|
|
B96 |
Goteborg System |
|
|
B97 |
Poisoned Pawn System |
C00-C20 |
|
|
French Defense |
|
C01 |
|
Exchange Variant |
|
C02 |
|
Advance Variant |
|
C03-C09 |
|
Tarrasch Variant |
|
|
C03 |
3.... a6 System |
|
|
C04 |
3.... Nc6 System |
|
|
C05-C06 |
3.... Nf6 System |
|
|
C07-C09 |
3.... c5 System |
|
C10 |
|
Rubinstein Variant |
|
C11 |
|
Steinitz Variant |
|
C12 |
|
MacCutcheon Variant |
|
C15-C20 |
|
Winawer Variant |
|
|
C15 |
Lapus Manus System |
|
|
C17 |
Swiss System |
|
|
C18 |
Main Line |
|
|
C20 |
Exchange System |
C21 |
|
|
Nordic Gambit |
C22 |
|
|
Centre Game |
C23-C24 |
|
|
Bishop's Opening |
C25-C29 |
|
|
Vienna Game |
C30-C39 |
|
|
King's Gambit |
|
C31-C32 |
|
Falkbeer Counter Gambit |
|
C33 |
|
Keres Variant |
|
C35 |
|
Cunningham Variant |
|
C36 |
|
Modern Variant |
|
C37 |
|
Muzio Gambit |
|
C38 |
|
Greco and Philidor Gambits |
|
C39 |
|
Allagier and Kiesertisky Gambits |
C40 |
|
|
Latvian Gambit |
C41 |
|
|
Philidor Defense |
C42-C43 |
|
|
Russian (Petrov) Defense |
C44 |
|
|
Ponziani Opening |
C45 |
|
|
Scotch Game |
C46 |
|
|
Three Knights Game |
C47-C49 |
|
|
Four Knights Game |
C50-C59 |
|
|
Italian (Guioco Piano) Game |
|
C50 |
|
Hungarian Defense |
|
C51-C52 |
|
Evans Gambit |
|
C55 |
|
Two Knights Defense |
|
C56 |
|
Max Lange Attack |
|
C57-C59 |
|
Two Knights Defense |
C60-C99 |
|
|
Ruy Lopez (Spanish) Opening |
|
C61 |
|
Bird Defense |
|
C62 |
|
Old Steinitz Defense |
|
C63 |
|
Schliemann Gambit |
|
C64 |
|
Cordel Defense |
|
C65 |
|
Berlin Defense |
|
C66 |
|
Modern Steinitz Defense |
|
C67 |
|
Rio de Janeiro Defense |
|
C68-C69 |
|
Exchange Variant |
|
C71-C76 |
|
Modern Steinitz Defense |
|
C77 |
|
Anderssen Variant |
|
C78 |
|
Archangelsk Variant; Moeller Attack |
|
C79 |
|
Russian Variant |
|
C80-C83 |
|
Open Variant |
|
|
C80 |
Bernstein System |
|
|
C81 |
Keres System |
|
|
C83 |
Main Line |
|
C84 |
|
Centre Attack |
|
C85 |
|
Exchange Variant Doubly Deferred |
|
C86 |
|
Worral Attack |
|
C88 |
|
Marshall Gambit |
|
C92 |
|
Zaitsev Variant |
|
C93 |
|
Smyslov Variant |
|
C94-C95 |
|
Breyer Variant |
|
C96-C99 |
|
Tchigorin Defense |
D00 |
|
|
Queen's Pawn Game |
D01 |
|
|
Veresov Attack |
D02 |
|
|
Gruenfeld Reversed Opening |
D03 |
|
|
Torre Attack, Tartakower Variant |
D04 |
|
|
Queen's Pawn Game |
D05 |
|
|
Colle System |
D06-D69 |
|
|
Queen's Gambit |
|
D07 |
|
Tchigorin Variant |
|
D08-D09 |
|
Albin Counter Gambit |
|
D10-D19 |
|
Slav Defense |
|
|
D14 |
Exchange Variant |
|
|
D15 |
Geller Gambit |
|
|
D17 |
Czech Defense |
|
|
D18 |
Main Line |
|
|
D19 |
Euwe System |
|
D20-D29 |
|
Accepted |
|
|
D21 |
Borsenko-Furman System |
|
D30-D69 |
|
Declined |
|
|
D31 |
Alatortsev System |
|
|
D32-D33 |
Tarrasch System |
|
|
D34 |
Rubinstein System |
|
|
D35-D36 |
Exchange System |
|
|
D37 |
5.Bf4 System |
|
|
D38-D39 |
Ragozin Defense |
|
|
D40-D42 |
Semi-Tarrasch Defense |
|
|
D43 |
Semi-Slav Defense |
|
|
D44-D45 |
Anti-Merano Defense |
|
|
D46 |
Semi-Slav Defense |
|
|
D47-D49 |
Meran Defense |
|
|
D51-D52 |
Cambridge Springs Defense |
|
|
D53-D54 |
Orthodox Defense |
|
|
D55 |
Anti-Tartakower System |
|
|
D56 |
Lasker System |
|
|
D57 |
Modern System |
|
|
D58-D59 |
Tartakower System |
|
|
D60-D62 |
Orthodox Defense |
|
|
D63-D66 |
Blackburne System |
|
|
D67 |
Capablanca System |
|
|
D68 |
Blackburne System |
D70-D99 |
|
|
Grunfeld Defense |
|
D71 |
|
Neo-Grunfeld Variant |
|
D76 |
|
Fianchetto Orthodox Variant |
|
D79 |
|
Slav Variant |
|
D82-D84 |
|
Bf4 System |
|
D85 |
|
Modern Exchange Variant |
|
D87 |
|
Botvinnik Exchange Variant |
|
D89 |
|
Exchange Variant |
|
D93 |
|
Bg3 System |
|
D94-D95 |
|
Closed Variant |
|
D96 |
|
Russian Variant |
|
D97 |
|
Ragozin (Classic) Variant |
|
D99 |
|
Ragozin (Smyslov) Variant |
E00-E09 |
|
|
Catalan Opening |
|
E04-E05 |
|
Open Variant |
|
E06-E09 |
|
Closed Variant |
E10 |
|
|
Blumenfeld Gambit |
E11 |
|
|
Bogo-Indian Defense |
E12-E19 |
|
|
Queen's Indian Defense |
|
E15 |
|
Accelerated Fianchetto Variant |
|
E16 |
|
BogoIndian Variant |
E20-E59 |
|
|
Nimzo-Indian Defense |
|
E24-E29 |
|
Saemisch Variant |
|
E30-E31 |
|
Leningrad Variant |
|
E32-E39 |
|
Classic Variant |
|
E41-E42 |
|
Huebner Variant |
|
E43-E46 |
|
Nimzowitsch Variant |
|
E47-E49 |
|
Rubinstein Variant |
|
E50-E59 |
|
Modern Variant |
E60-E99 |
|
|
King's Indian Defense |
|
E62-E70 |
|
Fianchetto Variant |
|
|
E62-E63 |
Panno System |
|
|
E65-E66 |
Yugoslav System |
|
E73-E74 |
|
Averbach Variant |
|
E76-E79 |
|
Four Pawns Variant |
|
E80-E89 |
|
Classic Variant |
|
|
E81 |
Saemisch (Byrne) System |
|
|
E83 |
Panov System |
|
E92 |
|
Exchange Variant |
|
E93 |
|
Petrosian Variant |
|