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ECO A

A00-A99    B00-B99    C00-C99     D00-D99      E00-E99
Volver a Aperturas

A

- 1. R' 1. e4, 1. d4

Irregular openings.

 

- 1. d4 R' 1 ...d5, 1... Nf6

 

Untypical replies to 1.d4

 

- 1. d4 Nf6 2. R' 2. c4

 

Untypical replies to 1...Nf6

 

- 1. d4 Nf6 2. c4 R' 2... e6, 2... g6

 

Untypical Indian systems.

 

Main ECO codes for each class

Full ECO codes

A

- 1. R' 1. e4, 1. d4

Irregular openings.

 

- 1. d4 R' 1 ...d5, 1... Nf6

 

Untypical replies to 1.d4

 

- 1. d4 Nf6 2. R' 2. c4 (humongous typo on (c) page!)

 

Untypical replies to 1...Nf6

 

- 1. d4 Nf6 2. c4 R' 2... e6, 2... g6

 

Untypical Indian systems.

 

A0

1. R' 1. e4, 1. d4, 1. c4

Irregular openings.

 

A00

1. R,

1. g3,

 

1. b4

 

Irregular Openings,

 

Benko Opening,

 

Sokolsky (Polish Opening)

 

A01

1. b3

Nimzo-Larsen Attack

 

A02

1. f4

Bird's Opening

 

A03

1. f4 d5

Bird's Opening

 

A04

1. Nf3

Reti Opening

 

A05

1. Nf3 Nf6

Reti Opening with 1...Nf6

 

A06

1. Nf3 d5

Reti Opening with 1...d5

 

A07

1. Nf3 d5 2. g3

Reti Opening, Barcza System

 

A08

1. Nf3 d5 2. g3 c5 3. Bg2

Reti Opening, Barcza System

 

A09

1. Nf3 d5 2. c4

Reti Opening

 

A1

1. c4

English Opening

 

A10

1 c4

English Opening

 

A11

1 c4 c6

English Opening, systems with 1...e6

 

A12

1 c4 c6 2. Nf3 d5 3. b3

(Reti Opening)

 

A13

1 c4 e6

English Opening, systems with 1...e6

 

A14

1 c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O

(Reti Opening)

 

A15

1 c4 Nf6

English Opening, systems with 1...Nf6

 

A16

1 c4 Nf6 2. Nc3

English Opening, systems with 1...Nf6

 

A17

1 c4 Nf6 2. Nc3 e6

English Opening, Anglo-Indian

 

A18

1 c4 Nf6 2. Nc3 e6 3. e4

Flohr-Mikenas Variation

 

A19

1 c4 Nf6 2. Nc3 e6 3. e4 c5

Flohr-Mikenas Variation

 

A2

1. c4 e5

English Opening with 1...e5 (King's English, or Reversed Sicilian)

 

A20

1. c4 e5

English Opening, Reversed Sicilian

 

A21

1. c4 e5 2. Nc3

English Opening, Reversed Sicilian

 

A22

1. c4 e5 2. Nc3 Nf6

English Opening, Reversed Sicilian

 

A23

1. c4 e5 2. Nc3 Nf6 3. g3 c6

English Opening, Reversed Sicilian

 

A24

1. c4 e5 2. Nc3 Nf6 3. g3 g6

English Opening, Reversed Sicilian

 

A25

1. c4 e5 2. Nc3 Nc6

English Opening, Reversed Sicilian, Closed Systems

 

A26

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6

English Opening, Reversed Sicilian, Closed Systems

 

A27

1. c4 e5 2. Nc3 Nc6 3. Nf3

English Opening, Reversed Sicilian, Closed Systems

 

A28

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6

English Opening, Reversed Sicilian, Four Knights' Variation

 

A29

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3

English Opening, Reversed Sicilian, Four Knights' Variation

 

A3

1. c4 c5

Symmetrical English

 

A30

1. c4 c5

Symmetrical English

 

A31

1. c4 c5 2. Nf3 Nf6 3. d4

Symmetrical English

 

A32

1. c4 c5 2. Nf3 Nf6 3. d4 cd4 4. Nd4 e6

Symmetrical English

 

A33

1. c4 c5 2. Nf3 Nf6 3. d4 cd4 4. Nd4 e6 5. Nc3 Nc6

Symmetrical English

 

A34

1. c4 c5 2. Nc3

Symmetrical English

 

A35

1. c4 c5 2. Nc3 Nc6

Symmetrical English, Closed systems

 

A36

1. c4 c5 2. Nc3 Nc6 3. g3

Symmetrical English, Closed systems

 

A37

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3

Symmetrical English, Closed systems

 

A38

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6

Symmetrical English, Closed systems

 

A39

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. d4

English Opening, Maroczy Bind

 

A4

1. d4

Queen Pawn games

 

A40

1. d4

Queen Pawn games

 

A41

1. d4 d6

Queen Pawn games, systems with 1...d6

 

A42

1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4

Modern Defence, Averbakh Variation

 

A43

1. d4 c5

Benoni

 

A44

1. d4 c5 2. d5 e5

Old Benoni (...g6) or Czech Benoni (...Be7)

 

A45

1. d4 Nf6

Indian systems

 

A46

1. d4 Nf6 2. Nf3

Indian systems with 2. Nf3

 

A47

1. d4 Nf6 2. Nf3 b6

Indian systems with 2. Nf3

 

A48

1. d4 Nf6 2. Nf3 g6

Indian systems with 2. Nf3

 

A49

1. d4 Nf6 2. Nf3 g6 3. g3

Indian systems with 2. Nf3

 

A5

1. d4 Nf6 2. c4

Indian systems

 

A50

1. d4 Nf6 2. c4

Indian systems with 2. c4

 

A51

1. d4 Nf6 2. c4 e5

Budapest Gambit

 

A52

1. d4 Nf6 2. c4 e5 3. de5 Ng4

Budapest Gambit, main line accepted

 

A53

1. d4 Nf6 2. c4 d6

Old Indian Defence

 

A54

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3

Old Indian Defence

 

A55

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4

Old Indian Defence

 

A56

1. d4 Nf6 2. c4 c5

Benoni Defence

 

A57

1. d4 Nf6 2. c4 c5 3. d5 b5

Benko Gambit

 

A58

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cb5 a6 5. ba6

Benko Gambit Accepted

 

A59

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cb5 a6 5. ba6 Ba6 6. Nc3 d6 7. e4

Benko Gambit Accepted, Classical Variation

 

A6

1. d4 Nf6 2. c4 c5 3. d5 e6

Modern Benoni

 

A60

1. d4 Nf6 2. c4 c5 3. d5 e6

Modern Benoni

 

A61

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. Nf3 g6

Modern Benoni

 

A62

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O

Modern Benoni, Fianchetto Variation

 

A63

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 8. Bg2 O-O 9. O-O Nbd7

Modern Benoni, Fianchetto Variation

 

A64

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 8. Bg2 O-O 9. O-O Nbd7 10. Nd2 a6 11. a4 Re8

Modern Benoni, Fianchetto Variation

 

A65

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4

Modern Benoni, Main Variation

 

A66

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. f4

Modern Benoni, Four Pawns (Mikenas) Attack

 

A67

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5

Modern Benoni, Bishop Check Variation (Taimanov)

 

A68

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O

Modern Benoni, Four Pawns (Mikenas) Attack

 

A69

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 Re8

Modern Benoni, Four Pawns (Mikenas) Attack

 

A7

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3

Modern Benoni, Classical variation

 

A70

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3

Modern Benoni, Classical Variation

 

A71

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2

Modern Benoni, Classical Variation

 

A72

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O

Modern Benoni, Classical Variation

 

A73

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O

Modern Benoni, Classical Variation

 

A74

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O a6

Modern Benoni, Classical Variation

 

A75

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O a6 10. a4 Bg4

Modern Benoni, Classical Variation

 

A76

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8

Modern Benoni, Classical Variation

 

A77

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2

Modern Benoni, Classical Variation

 

A78

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6

Modern Benoni, Classical Variation

 

A79

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6 11. f3 Nc7

Modern Benoni, Classical Variation

 

A8

1. d4 f5

Dutch Defence

 

A80

1. d4 f5

Dutch Defence

 

A81

1. d4 f5 2. g3

Dutch Defence

 

A82

1. d4 f5 2. e4

Dutch Defence, Staunton Gambit

 

A83

1. d4 f5 2. e4 fe4 3. Nc3 Nf6 4. Bg5

Dutch Defence, Staunton Gambit

 

A84

1. d4 f5 2. c4

Dutch Defence

 

A85

1. d4 f5 2. c4 Nf6 3. Nc3

Dutch Defence

 

A86

1. d4 f5 2. c4 Nf6 3. g3

Dutch Defence

 

A87

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3

Dutch Defence, Leningrad Variation

 

A88

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d6 7. Nc3 c6

Dutch Defence, Leningrad Variation

 

A89

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d6 7. Nc3 Nc6

Dutch Defence, Leningrad Variation

 

A9

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2

Dutch Defence, Classical variation

 

A90

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2

Dutch Defence, Classical Variation

 

A91

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7

Dutch Defence, Classical Variation

 

A92

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O

Dutch Defence, Classical Variation

 

A93

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3

Dutch Defence, Stonewall Variation

 

A94

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3 c6 8. Ba3

Dutch Defence, Stonewall Variation

 

A95

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3 c6

Dutch Defence, Stonewall Variation

 

A96

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6

Dutch Defence, Iljin-Zhenevsky Variation

 

A97

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8

Dutch Defence, Iljin-Zhenevsky Variation

 

A98

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. Qc2

Dutch Defence, Iljin-Zhenevsky Variation

 

A99

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. b3

Dutch Defence, Iljin-Zhenevsky Variation

A00-A99    B00-B99    C00-C99     D00-D99      E00-E99

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