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Encyclopaedia of Chess Openings
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Encyclopaedia of Chess Openings

ECO volume E. The second line of moves means it contains openings with 1. d4 Nf6 2. c4 g6, without an early d7 d5.
ECO volume E. The second line of moves means it contains openings with 1. d4 Nf6 2. c4 g6, without an early d7 d5.

The Encyclopaedia of Chess Openings (ECO) is a classification system for the opening moves in a game of chess. It is presented as a five volume book collection (now also a computer database) describing chess openings. The moves were taken from hundreds of thousands of games between masters, from published analysis in the Chess Informant since 1966, and then compiled by notable chess players. The main editor is Aleksandar Matanovi . Both the ECO and the Chess Informant are published by the Serbian company ahovski Informator (Chess Informant). These openings are typically provided in an ECO table that concisely presents the best opening lines.

The books contain only a small amount of text, which is in eight languages. The bulk of the book consists of diagrams of positions and chess moves in International figurine algebraic notation, with special symbols for comments about moves (see Punctuation (chess)).

Instead of the traditional names for the openings, ECO has developed a unique coding system that has also been adopted by other chess publications. There are five main categories, "A" to "E", each of which is divided into one hundred sub-categories.

ECO code is a trademark of Chess Informant Inc.

Contents


Openings covered

Volume A: Flank openings

Volume B: Semi-Open Games other than the French Defense

Volume C: Open Games and the French Defense

Volume D: Closed Games and Semi-Closed Games (including Gr nfeld Defence but not other Indian Defenses)

Volume E: Indian Defenses (other than Gr nfeld Defence and Old Indian Defense)

Main ECO codes

A:

  • White first moves other than 1.e4, 1.d4 (A00 A39)
  • 1.d4 without 1...d5, 1...Nf6: Atypical replies to 1.d4 (A40 A44)
  • 1.d4 Nf6 without 2.c4: Atypical replies to 1...Nf6 (A45 A49)
  • 1.d4 Nf6 2.c4 without 2...e6, 2...g6: Atypical Indian systems (A50 A79)
  • 1.d4 f5: Dutch Defence (A80 A99)

B:

C:

D:

E:

  • 1.d4 Nf6 2.c4 e6: Indian systems with ...e6 (E00 E59)
  • 1.d4 Nf6 2.c4 g6 without 3...d5: Indian systems with ...g6 (except Gr nfeld) (E60 E99)

First edition

The first edition was published in the following years:

  • volume A: 1979
  • volume B: 1975
  • volume C: 1974
  • volume D: 1976
  • volume E: 1978
Volume D (1976)
Code Author
00 01 Bagirov, Vladimir
94 95 Bagirov, Vladimir
60 65 Barcza, Gedeon
60 65 Florian, Tibor
70 79 Botvinnik, Mikhail
98 99 Botvinnik, Mikhail
70 79 Abramov, Lev
98 99 Abramov, Lev
56 57 Buki , Enver
02 05 Cvetkovi , Sr an
02 05 Sokolov, Vladimir
31 32 Euwe, Max
50 55 Filip, Miroslav
45 46 Gheorghiu, Florin
45 46 Samarian, Sergiu
38 39 Gipslis, Aivars
80 Gipslis, Aivars
90 91 Gipslis, Aivars
58 59 Hort, Vlastimil
66 69 Judovi , Mihail
85 89 Karpov, Anatoly
43 44 Korchnoi, Viktor
47 49 Korchnoi, Viktor
15 19 Kotov, Alexander
33 34 Larsen, Bent
30 Matanovi , Aleksandar
35 36 Matanovi , Aleksandar
30 Ugrinovi , Dragan
35 36 Ugrinovi , Dragan
25 Matulovi , Milan
25 Krni , Zdenko
06 09 Minev, Nikolay
37 38 Minev, Nikolay
40 42 Parma, Bruno
26 29 Polugaevsky, Lev
96 97 Smyslov, Vasily
10 14 Suetin, Alexey
20 24 Taimanov, Mark
81 84 Uhlmann, Wolfgang
92 93 Uhlmann, Wolfgang
Volume E (1978)
Code Author
00 05 Averbakh, Yuri
00 05 Neishtadt, Yakov
32 37 Bagirov, Vladimir
67 69 Boleslavsky, Isaac
67 69 Lepeshkin, Vladimir
27 29 Botvinnik, Mikhail
47 49 Botvinnik, Mikhail
27 29 Abramov, Lev
47 49 Abramov, Lev
97 99 Byrne, Robert
97 99 Mednis, Edmar
90 92 Euwe, Max
46 Filip, Miroslav
56 59 Filip, Miroslav
10 11 Gipslis, Aivars
20 23 Gipslis, Aivars
95 96 Vlastimil Hort
54 55 Ivkov, Borislav
52 Judovi , Mihail
83 84 Karpov, Anatoly
83 84 Razuvayev, Yuri
43 Kotov, Alexander
50 51 Kotov, Alexander
06 07 Krni , Zdenko
93 94 Krni , Zdenko
06 07 Cvetkovi , Sr an
93 94 Cvetkovi , Sr an
85 86 Larsen, Bent
87 89 Lilienthal, Andor
87 89 Florian, Tibor
08 09 Matanovi , Aleksandar
15 19 Matanovi , Aleksandar
08 09 Ugrinovi , Dragan
15 19 Ugrinovi , Dragan
70 72 Minev, Nikolay
76 79 Minev, Nikolay
24 26 Parma, Bruno
53 Parma, Bruno
14 Polugaevsky, Lev
73 75 Polugaevsky, Lev
80 82 Razuvayev, Yuri
12 13 Suetin, Alexey
30 31 Taimanov, Mark
40 45 Taimanov, Mark
60 63 Uhlmann, Wolfgang
38 39 Unzicker, Wolfgang
64 66 Wade, Robert

Second edition

The second edition was published in the following years:

  • volume A: 1996
  • volume B: 1984
  • volume C: 1981
  • volume D: 1987
  • volume E: 1991
Volume B (1984)
Code Author
04 05 Bagirov, Vladimir
18 19 Bagirov, Vladimir
13 14 Botvinnik, Mikhail
13 14 Abramov, Lev
10 Filip, Miroslav
12 Filip, Miroslav
15 Filip, Miroslav
17 Filip, Miroslav
36 39 Filip, Miroslav
70 79 Geller, Efim
95 99 Gipslis, Aivars
20 21 Gufeld, Eduard
23 26 Gufeld, Eduard
02 03 Hort, Vlastimil
80 85 Kasparov, Garry
30 31 Korchnoi, Viktor
34 35 Korchnoi, Viktor
28 29 Krni , Zdenko
87 Krni , Zdenko
28 29 Cvetkovi , Sr an
00 01 Larsen, Bent
16 Larsen, Bent
60 69 Matanovi , Aleksandar
60 69 Ugrinovi , Dragan
06 Minev, Nikolay
11 Minev, Nikolay
57 Nunn, John
88 89 Nunn, John
07 09 Parma, Bruno
44 Polugaevsky, Lev
50 53 Polugaevsky, Lev
86 Polugaevsky, Lev
90 94 Polugaevsky, Lev
96 Polugaevsky, Lev
27 Suetin, Alexey
54 56 Suetin, Alexey
58 59 Suetin, Alexey
22 Sveshnikov, Evgeny
33 Sveshnikov, Evgeny
40 43 Taimanov, Mark
45 49 Taimanov, Mark
32 Uhlmann, Wolfgang

See also

References

External links

bg: ca:Enciclop dia d'Obertures d'Escacs cs:Encyklopedie achov ch zah jen es:Enciclopedia de aperturas de ajedrez fr:Encyclop die des ouvertures d' checs gl:Enciclopedia de aperturas de xadrez it:Enciclopedia jugoslava delle aperture he: lb:Enzyklopedie vun de Schacher ffnungen nl:Encyclopedie der Schaakopeningen ja:ECO ( ) pl:Encyklopedia otwar szachowych pt:The Encyclopaedia of Chess Openings sk:Encyclopaedia of Chess Openings fi:Encyclopaedia of Chess Openings sv:ECO-klassificering zh:






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