ECO Codes
The ECO Codes is a classification system for
the chess openings moves. Below is a list of chess openings organized by the
Encyclopaedia of Chess Openings (ECO) code. The openings are divided in five
volumes labeled from "A" through "E".
|
A00 Polish (Sokolsky) opening |
1. b4 |
|
A01 Nimzovich-Larsen attack |
1. b3 |
|
A02-A03 Bird's opening |
1. f4 |
|
A04-A09 Reti opening |
1. Nf3 |
|
A10-A39 English opening |
1. c4 |
|
A40-A41 Queen's pawn |
1. d4 |
|
A42 Modern defence, Averbakh system |
1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 |
|
A43-A44 Old Benoni defence |
1. d4 c5 |
|
A45-A46 Queen's pawn game |
1. d4 Nf6 |
|
A47 Queen's Indian defence |
1. d4 Nf6 2. Nf3 b6 |
|
A48-A49 King's Indian, East Indian defence |
1. d4 Nf6 2. Nf3 g6 |
|
A50 Queen's pawn game |
1. d4 Nf6 2. c4 |
|
A51-A52 Budapest defence |
1. d4 Nf6 2. c4 e5 |
|
A53-A55 Old Indian defence |
1. d4 Nf6 2. c4 d6 |
|
A56 Benoni defence |
1. d4 Nf6 2. c4 c5 |
|
A57-A59 Benko gambit |
1. d4 Nf6 2. c4 c5 3. d5 b5 |
|
A60-A79 Benoni defence |
1. d4 Nf6 2. c4 c5 3. d5 e6 |
|
A80-A99 Dutch |
1. d4 f5 |
|
B00 King's pawn opening |
1. e4 |
|
B01 Scandinavian (centre counter) defence |
1. e4 d5 |
|
B02-B05 Alekhine's defence |
1. e4 Nf6 |
|
B06 Robatsch (modern) defence |
1. e4 g6 |
|
B07-B09 Pirc defence |
1. e4 d6 2. d4 Nf6 3. Nc3 |
|
B10-B19 Caro-Kann defence |
1. e4 c6 |
|
B20-B99 Sicilian defence |
1. e4 c5 |
|
C00-C19 French defence |
1. e4 e6 |
|
C20 King's pawn game |
1. e4 e5 |
|
C21-C22 Centre game |
1. e4 e5 2. d4 exd4 |
|
C23-C24 Bishop's opening |
1. e4 e5 2. Bc4 |
|
C25-C29 Vienna game |
1. e4 e5 2. Nc3 |
|
C30-C39 King's gambit |
1. e4 e5 2. f4 |
|
C40 King's knight opening |
1. e4 e5 2. Nf3 |
|
C41 Philidor's defence |
1. e4 e5 2. Nf3 d6 |
|
C42-C43 Petrov's defence |
1. e4 e5 2. Nf3 Nf6 |
|
C44 King's pawn game |
1. e4 e5 2. Nf3 Nc6 |
|
C45 Scotch game |
1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 |
|
C46 Three knights game |
1. e4 e5 2. Nf3 Nc6 3. Nc3 |
|
C47-C49 Four knights, Scotch variation |
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 |
|
C50 Italian Game |
1. e4 e5 2. Nf3 Nc6 3. Bc4 |
|
C51-C52 Evans gambit |
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 |
|
C53-C54 Giuoco Piano |
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 |
|
C55-C59 Two knights defence |
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 |
|
C60-C99 Ruy Lopez (Spanish opening) |
1. e4 e5 2. Nf3 Nc6 3. Bb5 |
|
D00 Queen's pawn game |
1. d4 d5 |
|
D01 Richter-Veresov attack |
1. d4 d5 2. Nc3 Nf6 3. Bg5 |
|
D02 Queen's pawn game |
1. d4 d5 2. Nf3 |
|
D03 Torre attack (Tartakower variation) |
1. d4 d5 2. Nf3 Nf6 3. Bg5 |
|
D04-D05 Queen's pawn game |
1. d4 d5 2. Nf3 Nf6 3. e3 |
|
D06 Queen's Gambit |
1. d4 d5 2. c4 |
|
D07-D09 Queen's Gambit Declined, Chigorin defence |
1. d4 d5 2. c4 Nc6 |
|
D10-D15 Queen's Gambit Declined Slav defence |
1. d4 d5 2. c4 c6 |
|
D16 Queen's Gambit Declined Slav accepted, Alapin variation |
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 |
|
D17-D19 Queen's Gambit Declined Slav, Czech defence |
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 |
|
D20-D29 Queen's gambit accepted |
1. d4 d5 2. c4 dxc4 |
|
D30-D42 Queen's gambit declined |
1. d4 d5 2. c4 e6 |
|
D43-D49 Queen's Gambit Declined semi-Slav |
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 |
|
D50-D69 Queen's Gambit Declined, 4.Bg5 |
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 |
|
D70-D79 Neo-Gruenfeld defence |
1. d4 Nf6 2. c4 g6 3. f3 d5 |
|
D80-D99 Gruenfeld defence |
1. d4 Nf6 2. c4 g6 3. Nc3 d5 |
|
E00 Queen's pawn game |
1. d4 Nf6 2. c4 e6 |
|
E01-E09 Catalan, closed |
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 |
|
E10 Queen's pawn game |
1. d4 Nf6 2. c4 e6 3. Nf3 |
|
E11 Bogo-Indian defence |
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ |
|
E12-E19 Queen's Indian defence |
1. d4 Nf6 2. c4 e6 3. Nf3 b6 |
|
E20-E59 Nimzo-Indian defence |
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 |
|
E60-E99 King's Indian defence |
1. d4 Nf6 2. c4 g6 |