Main Opening Notation, Games and Photos for Eco Code A (Irregular and Queens Pawn)

 Eco B  Semi-Open Games –  Eco C  Open Games –  Eco D  Closed Games and Semi-Closed Games –  Eco E  Indian Defences

1. Click on the Pictures to see the openings played on chess boards

2. Click on Notation to Analyze and Download Opening

Guide


Best Checkmates for

Eco Code A

A00

(Default Photo: Anderssen’s Opening)

A00 Irregular Openings 1.a3, c3, d3, e3, f3, g3, h3, g4, b4, Na3, Nc3, Nh3

Irregular Openings

1.a31.c3, d3, e3, f3, g3, h3, g4, b4, Na3, Nc3, Nh3

Study Games for Eco Code A00

 

A01

A01 Nimzo-Larsen Attack 1. b3

Nimzo-Larsen Attack

1. b3

rnbqkbnr/pppppppp/8/8/8/1P6/P1PPPPPP/RNBQKBNR b KQkq – 0 1

(Copy Fen String into your chess program to continue and play the opening)

Video-Lesson

Study Games for Eco Code A01


A02

Bird Opening 1. f4

Bird Opening

1. f4

rnbqkbnr/pppppppp/8/8/5P2/8/PPPPP1PP/RNBQKBNR b KQkq – 0 1

Study Games for Eco Code A02

A03

Bird Opening 1.f4 d5

Bird Opening

1.f4 d5

rnbqkbnr/ppp1pppp/8/3p4/5P2/8/PPPPP1PP/RNBQKBNR w KQkq – 0 2

Study Games for Eco Code A03

A04

Reti Opening 1. Nf3

Reti Opening

1. Nf3

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Study Games for Eco Code A04

A05

Reti Opening 1. Nf3 Nf6

Reti Opening

1. Nf3 Nf6

rnbqkb1r/pppppppp/5n2/8/8/5N2/PPPPPPPP/RNBQKB1R w KQkq – 2 2

Study Games for Eco Code A05

A06

Reti Opening 1. Nf3 d5

Reti Opening

1. Nf3 d5

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Study Games for Eco Code A06

A07

King's Indian Attack 1.Nf3 d5 2.g3

King’s Indian Attack

1.Nf3 d5 2.g3

rnbqkbnr/ppp1pppp/8/3p4/8/5NP1/PPPPPP1P/RNBQKB1R b KQkq – 0 2

Study Games for Eco Code A07

 

A08

King's Indian Attack: Sicilian Variation 1.Nf3 d5 2.g3 c5 3.Bg2

King’s Indian Attack: Sicilian Variation

1.Nf3 d5 2.g3 c5 3.Bg2

rnbqkbnr/pp2pppp/8/2pp4/8/5NP1/PPPPPPBP/RNBQK2R b KQkq – 1 3

Study Games for Eco Code A08

A09

Reti Opening 1. Nf3 d5 2.c4

Reti Opening

1. Nf3 d5 2.c4

rnbqkbnr/ppp1pppp/8/3p4/2P5/5N2/PP1PPPPP/RNBQKB1R b KQkq – 0 2

Study Games for Eco Code A09


A10

English 1. c4

English

1. c4

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Study Games for Eco Code A10

 

A11

English Caro-Kann Defensive System 1. c4 c6

English Caro-Kann Defensive System

1. c4 c6

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Study Games for Eco Code A11

 

A12

English Caro-Kann Defensive System 1. c4 c6 2. Nf3 d5 3. b3

English Caro-Kann Defensive System

1. c4 c6 2. Nf3 d5 3. b3

rnbqkbnr/pp2pppp/2p5/3p4/2P5/1P3N2/P2PPPPP/RNBQKB1R b KQkq – 0 3

Study Games for Eco Code A12

 

A13

English 1. c4 e6

English

1. c4 e6

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Study Games for Eco Code A13

 

A14

English, Neo-Catalan declined 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. 0-0

English, Neo-Catalan declined

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. 0-0

rnbqk2r/ppp1bppp/4pn2/3p4/2P5/5NP1/PP1PPPBP/RNBQ1RK1 b kq – 4 5

Study Games for Eco Code A14

A15

English Opening: Anglo-Indian Defence, Mikenas-Carls Variation 1.c4 Nf6

English Opening: Anglo-Indian Defence, Mikenas-Carls Variation

1.c4 Nf6

rnbqkb1r/pppppppp/5n2/8/2P5/8/PP1PPPPP/RNBQKBNR w KQkq – 1 2

Study Games for Eco Code A15

 

A16

English Opening 1. c4 Nf6 2. Nc3

English Opening

1. c4 Nf6 2. Nc3

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Study Games for Eco Code A16

  


A17

English Opening: Anglo-Indian Defence, Hedgehog System 1.c4 Nf6 2.Nc3 e6

English Opening: Anglo-Indian Defence, Hedgehog System

1.c4 Nf6 2.Nc3 e6

rnbqkb1r/pppp1ppp/4pn2/8/2P5/2N5/PP1PPPPP/R1BQKBNR w KQkq – 0 3

Study Games for Eco Code A17

 

A18

English Opening: Anglo-Indian Defence, Flohr-Mikenas-Carls Variation 1.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5

English Opening: Anglo-Indian Defence, Flohr-Mikenas-Carls Variation

1.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5

rnbqkb1r/ppp2ppp/4pn2/3pP3/2P5/2N5/PP1P1PPP/R1BQKBNR b KQkq – 0 4

Study Games for Eco Code A18

 

 

A19

English Opening: Anglo-Indian Defence, Flohr-Mikenas-Carls Variation 1. c4 Nf6 2. Nc3 e6 3. e4 c5

English Opening: Anglo-Indian Defence, Flohr-Mikenas-Carls Variation

1. c4 Nf6 2. Nc3 e6 3. e4 c5

rnbqkb1r/pp1p1ppp/4pn2/2p5/2P1P3/2N5/PP1P1PPP/R1BQKBNR w KQkq – 0 4

Study Games for Eco Code A19

 

A20

English Opening: King's English Variation 1.c4 e5

English Opening: King’s English Variation

1. c4 e5

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Study Games for Eco Code A20

A21

English Opening 1. c4 e5 2. Nc3

English Opening

1. c4 e5 2. Nc3

rnbqkbnr/pppp1ppp/8/4p3/2P5/2N5/PP1PPPPP/R1BQKBNR b KQkq – 1 2

Study Games for Eco Code A21

A22

English Opening 1. c4 e5 2. Nc3 Nf6

English Opening

1. c4 e5 2. Nc3 Nf6

rnbqkb1r/pppp1ppp/5n2/4p3/2P5/2N5/PP1PPPPP/R1BQKBNR w KQkq – 2 3

Study Games for Eco Code A22

A23

English Opening: King's English Variation, Two Knights' Variation Keres Variation 1.c4 e5 2.Nc3 Nf6 3.g3 c6

English Opening: King’s English Variation, Two Knights’ Variation Keres Variation

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

rnbqkb1r/pp1p1ppp/2p2n2/4p3/2P5/2N3P1/PP1PPP1P/R1BQKBNR w KQkq – 0 4

Study Games for Eco Code A23

A24

English Opening: King's English Variation, Two Knights' Variation Fianchetto Lines 1.c4 e5 2.Nc3 Nf6 3.g3 g6

English Opening: King’s English Variation, Two Knights’ Variation Fianchetto Lines

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

rnbqkb1r/pppp1p1p/5np1/4p3/2P5/2N3P1/PP1PPP1P/R1BQKBNR w KQkq – 0 4

Study Games for Eco Code A24

A25

English Opening, Sicilian Reversed 1. c4 e5 2. Nc3 Nc6

English Opening, Sicilian Reversed

1. c4 e5 2. Nc3 Nc6

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Study Games for Eco Code A25

A26

English Opening, Closed system 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6

English Opening, Closed system

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

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Study Games for Eco Code A26

A27

English Opening: King's English Variation, Three Knights System 1.c4 e5 2.Nc3 Nc6 3.Nf3

English Opening: King’s English Variation, Three Knights System

1.c4 e5 2.Nc3 Nc6 3.Nf3

r1bqkbnr/pppp1ppp/2n5/4p3/2P5/2N2N2/PP1PPPPP/R1BQKB1R b KQkq – 3 3

Study Games for Eco Code A27

A28

English Opening, Four Knights system 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6

English Opening, Four Knights system

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

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Study Games for Eco Code A28

A29

English Opening: King's English Variation, Four Knights Variation Fianchetto Lines 1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3

English Opening: King’s English Variation, Four Knights Variation Fianchetto Lines

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

r1bqkb1r/pppp1ppp/2n2n2/4p3/2P5/2N2NP1/PP1PPP1P/R1BQKB1R b KQkq – 0 4

Study Games for Eco Code A29

A30

English Opening: Symmetrical Variation 1.c4 c5

English Opening: Symmetrical Variation

1.c4 c5

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Study Games for Eco Code A30

A31

English Opening: Symmetrical Variation, Anti-Benoni Variation 1.c4 c5 2.Nf3 Nf6 3.d4

English Opening: Symmetrical Variation, Anti-Benoni Variation

1.c4 c5 2.Nf3 Nf6 3.d4

rnbqkb1r/pp1ppppp/5n2/2p5/2PP4/5N2/PP2PPPP/RNBQKB1R b KQkq – 0 3

Study Games for Eco Code A31

A32

English Opening: Symmetrical Variation, Anti-Benoni Variation Spielmann Defence 1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6

English Opening: Symmetrical Variation, Anti-Benoni Variation Spielmann Defence

1.c4 c5 2.Nf3 Nf6 3.d4 cxd4 4.Nxd4 e6

rnbqkb1r/pp1p1ppp/4pn2/8/2PN4/8/PP2PPPP/RNBQKB1R w KQkq – 0 5

Study Games for Eco Code A32

A33

English Opening: Symmetrical Variation 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nc6

English Opening: Symmetrical Variation

1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nc6

r1bqkb1r/pp1p1ppp/2n1pn2/8/2PN4/2N5/PP2PPPP/R1BQKB1R w KQkq – 2 6

Study Games for Eco Code A33

A34

English Opening: Symmetrical Variation 1. c4 c5 2.Nc3

English Opening: Symmetrical Variation

1. c4 c5 2.Nc3

rnbqkbnr/pp1ppppp/8/2p5/2P5/2N5/PP1PPPPP/R1BQKBNR b KQkq – 1 2

Study Games for Eco Code A34

A35

English Opening: Symmetrical Variation 1. c4 c5 2.Nc3 Nc6

English Opening: Symmetrical Variation

1. c4 c5 2.Nc3 Nc6

r1bqkbnr/pp1ppppp/2n5/2p5/2P5/2N5/PP1PPPPP/R1BQKBNR w KQkq – 2 3

Study Games for Eco Code A35

A36

English Opening: Symmetrical Variation 1. c4 c5 2. Nc3 Nc6 3. g3

English Opening: Symmetrical Variation

1. c4 c5 2. Nc3 Nc6 3. g3

r1bqkbnr/pp1ppppp/2n5/2p5/2P5/2N3P1/PP1PPP1P/R1BQKBNR b KQkq – 0 3

Study Games for Eco Code A36

A37

English Opening: Symmetrical Variation 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3

English Opening: Symmetrical Variation

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

r1bqk1nr/pp1pppbp/2n3p1/2p5/2P5/2N2NP1/PP1PPPBP/R1BQK2R b KQkq – 3 5

Study Games for Eco Code A37

A38

English Opening: Symmetrical Variation 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6

English Opening: Symmetrical Variation

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

r1bqk2r/pp1pppbp/2n2np1/2p5/2P5/2N2NP1/PP1PPPBP/R1BQK2R w KQkq – 4 6

Study Games for Eco Code A38

A39

English Opening: Symmetrical Variation, Mecking Variation 1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4

English Opening: Symmetrical Variation, Mecking Variation

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

r1bq1rk1/pp1pppbp/2n2np1/2p5/2PP4/2N2NP1/PP2PPBP/R1BQ1RK1 b – – 0 7

Study Games for Eco Code A39

A40

Queen's Pawn Game (including English Defence, Englund Gambit) 1. d4

Queen’s Pawn Game (including English Defence, Englund Gambit)

1. d4

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Study Games for Eco Code A40

A41

Queen's Pawn Game, Wade Defence 1. d4 d6

Queen’s Pawn Game, Wade Defence

1. d4 d6

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Study Games for Eco Code A41

A42

Modern Defence: Averbakh System 1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4

Modern Defence: Averbakh System

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

rnbqk1nr/ppp1ppbp/3p2p1/8/2PPP3/2N5/PP3PPP/R1BQKBNR b KQkq – 0 4

Study Games for Eco Code A42

A43

Old Benoni Defence 1.d4 c5

Old Benoni Defence

1.d4 c5

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Study Games for Eco Code A43

A44

Old Benoni Defence 1.d4 c5 2. d5 e5

Old Benoni Defence

1.d4 c5 2. d5 e5

rnbqkbnr/pp1p1ppp/8/2pPp3/8/8/PPP1PPPP/RNBQKBNR w KQkq e6 0 3

Study Games for Eco Code A44

A45

Queen's Pawn Game 1. d4 Nf6Click on Picture will go to Variances on Chess Boards

Queen’s Pawn Game

1. d4 Nf6

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Study Games for Eco Code A45

A46

Queen's Pawn Game, Torre Attack 1. d4 Nf6 2. Nf3

Queen’s Pawn Game, Torre Attack

1. d4 Nf6 2. Nf3

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Study Games for Eco Code A46

A47

Indian Game: Pseudo-Queen's Indian (Queen's Indian Defence) 1.d4 Nf6 2.Nf3 b6

Indian Game: Pseudo-Queen’s Indian (Queen’s Indian Defence)

1.d4 Nf6 2.Nf3 b6

rnbqkb1r/p1pppppp/1p3n2/8/3P4/5N2/PPP1PPPP/RNBQKB1R w KQkq – 0 3

Study Games for Eco Code A47

A48

King's Indian, East Indian Defence 1. d4 Nf6 2. Nf3 g6

King’s Indian, East Indian Defence

1. d4 Nf6 2. Nf3 g6

rnbqkb1r/pppppp1p/5np1/8/3P4/5N2/PPP1PPPP/RNBQKB1R w KQkq – 0 3

Study Games for Eco Code A48

A49

King's Indian, fianchetto without c4 1. d4 Nf6 2. Nf3 g6 3. g3

King’s Indian, fianchetto without c4

1. d4 Nf6 2. Nf3 g6 3. g3

rnbqkb1r/pppppp1p/5np1/8/3P4/5NP1/PPP1PP1P/RNBQKB1R b KQkq – 0 3

Study Games for Eco Code A49

A50

Queen's Pawn Game, Black Knights' Tango 1. d4 Nf6 2. c4

Queen’s Pawn Game, Black Knights’ Tango

1. d4 Nf6 2. c4

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Study Games for Eco Code A50

A51

Indian Game: Budapest Gambit Declined 1.d4 Nf6 2.c4 e5

Indian Game: Budapest Gambit Declined

1.d4 Nf6 2.c4 e5

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BOOK

Winning the Budapest Gambit: 82 Traps Black can use

Study Games for Eco Code A51

A52

Budapest Gambit 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4

Budapest Gambit

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4

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Study Games for Eco Code A52

A53

Old Indian Defence (Chigorin Indian Defence) 1. d4 Nf6 2. c4 d6

Old Indian Defence (Chigorin Indian Defence)

1. d4 Nf6 2. c4 d6

rnbqkb1r/ppp1pppp/3p1n2/8/2PP4/8/PP2PPPP/RNBQKBNR w KQkq – 0 3

Study Games for Eco Code A53

A54

Old Indian: Ukrainian variation 1. d4 Nf6 2. c4 d6 3. Nc3 e5

Old Indian: Ukrainian variation

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

rnbqkb1r/ppp2ppp/3p1n2/4p3/2PP4/2N5/PP2PPPP/R1BQKBNR w KQkq – 0 4

Study Games for Eco Code A54

A55

Old Indian Defence: Normal Variation 1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3 Nbd7 5.e4

Old Indian Defence: Normal Variation

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

r1bqkb1r/pppn1ppp/3p1n2/4p3/2PPP3/2N2N2/PP3PPP/R1BQKB1R b KQkq – 0 5

Study Games for Eco Code A55

A56

Benoni Defence 1. d4 Nf6 2. c4 c5

Benoni Defence

1. d4 Nf6 2. c4 c5

rnbqkb1r/pp1ppppp/5n2/2p5/2PP4/8/PP2PPPP/RNBQKBNR w KQkq – 0 3

Study Games for Eco Code A56

A57

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

Benko Gambit

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

rnbqkb1r/p2ppppp/5n2/1ppP4/2P5/8/PP2PPPP/RNBQKBNR w KQkq – 0 4

Study Games for Eco Code A57

A58

Benko Gambit Accepted 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6

Benko Gambit Accepted

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6

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Study Games for Eco Code A58

A59

Benko Gambit 7.e4 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4

Benko Gambit 7.e4

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4

rn1qkb1r/4pppp/b2p1n2/2pP4/4P3/2N5/PP3PPP/R1BQKBNR b KQkq – 0 7

Study Games for Eco Code A59

A60

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

Benoni Defence

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

rnbqkb1r/pp1p1ppp/4pn2/2pP4/2P5/8/PP2PPPP/RNBQKBNR w KQkq – 0 4

Study Games for Eco Code A60

A61

Benoni Defence 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6

Benoni Defence

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6

rnbqkb1r/pp3p1p/3p1np1/2pP4/8/2N2N2/PP2PPPP/R1BQKB1R w KQkq – 0 7

Study Games for Eco Code A61

A62

Benoni Defence: Fianchetto Variation 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O

Benoni Defence: Fianchetto Variation

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O

rnbq1rk1/pp3pbp/3p1np1/2pP4/8/2N2NP1/PP2PPBP/R1BQK2R w KQ – 3 9

Study Games for Eco Code A62

A63

Benoni Defence: Fianchetto Variation, Hastings Defence 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O Nbd7

Benoni Defence: Fianchetto Variation, Hastings Defence

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O Nbd7

r1bq1rk1/pp1n1pbp/3p1np1/2pP4/8/2N2NP1/PP2PPBP/R1BQ1RK1 w – – 5 10

Study Games for Eco Code A63

A64

Benoni, Fianchetto Variation, Hastings Defence 11...Re8 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O Nbd7 10.Nd2 a6 11.a4 Re8

Benoni, Fianchetto Variation, Hastings Defence 11…Re8

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O Nbd7 10.Nd2 a6 11.a4 Re8

r1bqr1k1/1p1n1pbp/p2p1np1/2pP4/P7/2N3P1/1P1NPPBP/R1BQ1RK1 w – – 1 12

Study Games for Eco Code A64

A65

Benoni Defence: King Pawn lines 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4

Benoni Defence: King Pawn lines

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4

rnbqkb1r/pp3ppp/3p1n2/2pP4/4P3/2N5/PP3PPP/R1BQKBNR b KQkq – 0 6

Study Games for Eco Code A65

A66

Benoni, Pawn Storm Variation 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.e5

Benoni, Pawn Storm Variation

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.e5

rnbqk2r/pp3pbp/3p1np1/2pPP3/5P2/2N5/PP4PP/R1BQKBNR b KQkq – 0 8

Study Games for Eco Code A66

A67

Benoni Defence: Taimanov Variation 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+

Benoni Defence: Taimanov Variation

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+

rnbqk2r/pp3pbp/3p1np1/1BpP4/4PP2/2N5/PP4PP/R1BQK1NR b KQkq – 2 8

Study Games for Eco Code A67

A68

Benoni Defence: Four Pawns Attack 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O

Benoni Defence: Four Pawns Attack

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O

rnbq1rk1/pp3pbp/3p1np1/2pP4/4PP2/2N2N2/PP4PP/R1BQKB1R w KQ – 3 9

Study Games for Eco Code A68

A69

Benoni Defence: Four Pawns Attack, Main Line 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O 9.Be2 Re8

Benoni Defence: Four Pawns Attack, Main Line

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Nf3 O-O 9.Be2 Re8

rnbqr1k1/pp3pbp/3p1np1/2pP4/4PP2/2N2N2/PP2B1PP/R1BQK2R w KQ – 5 10

Study Games for Eco Code A69

A70

Benoni, classical with e4 and Nf3 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Study Games for Eco Code A70

Benoni, classical with e4 and Nf3

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3

rnbqkb1r/pp3p1p/3p1np1/2pP4/4P3/2N2N2/PP3PPP/R1BQKB1R b KQkq – 1 7

Study Games for Eco Code A70

A71

Benoni Defence: Classical Variation, Averbakh-Grivas Attack

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Bg5

rnbqk2r/pp3pbp/3p1np1/2pP2B1/4P3/2N2N2/PP3PPP/R2QKB1R b KQkq – 3 8

Study Games for Eco Code A71

A72

Benoni Defence: Classical Variation, Traditional Variation 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2

Benoni Defence: Classical Variation, Traditional Variation

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2

rnbqk2r/pp3pbp/3p1np1/2pP4/4P3/2N2N2/PP2BPPP/R1BQK2R b KQkq – 3 8

Study Games for Eco Code A72

A73

Benoni Defence: Classical Variation, Main line 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O

Benoni Defence: Classical Variation, Main line

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O

rnbq1rk1/pp3pbp/3p1np1/2pP4/4P3/2N2N2/PP2BPPP/R1BQ1RK1 b – – 5 9

Study Games for Eco Code A73

A74

Benoni Defence: Classical Variation, Full line 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O a6 10.a4

Benoni Defence: Classical Variation, Full line

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O a6 10.a4

rnbq1rk1/1p3pbp/p2p1np1/2pP4/P3P3/2N2N2/1P2BPPP/R1BQ1RK1 b – – 0 10

Study Games for Eco Code A74

A75

Benoni Defence: Classical Variation, Argentine Counter Attack 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O a6 10.a4 Bg4

Benoni Defence: Classical Variation, Argentine Counter Attack

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O a6 10.a4 Bg4

rn1q1rk1/1p3pbp/p2p1np1/2pP4/P3P1b1/2N2N2/1P2BPPP/R1BQ1RK1 w – – 1 11

Study Games for Eco Code A75

A76

Benoni Defence: Classical Variation, Czerniak Defence 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8

Benoni Defence: Classical Variation, Czerniak Defence

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8

rnbqr1k1/pp3pbp/3p1np1/2pP4/4P3/2N2N2/PP2BPPP/R1BQ1RK1 w – – 6 10

Study Games for Eco Code A76

A77

Benoni Defence: Classical Variation, Czerniak Defence Tal Line 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2

Benoni Defence: Classical Variation, Czerniak Defence Tal Line

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2

rnbqr1k1/pp3pbp/3p1np1/2pP4/4P3/2N5/PP1NBPPP/R1BQ1RK1 b – – 7 10

Study Games for Eco Code A77

A78

Benoni Defence: Classical Variation, Czerniak Defence 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 Na6

Benoni Defence: Classical Variation, Czerniak Defence

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 Na6

r1bqr1k1/pp3pbp/n2p1np1/2pP4/4P3/2N5/PP1NBPPP/R1BQ1RK1 w – – 8 11

Study Games for Eco Code A78

A79

Benoni Defence: Classical Variation, Czerniak Defence 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 Na6 11.f3

Benoni Defence: Classical Variation, Czerniak Defence

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8 10.Nd2 Na6 11.f3

r1bqr1k1/pp3pbp/n2p1np1/2pP4/4P3/2N2P2/PP1NB1PP/R1BQ1RK1 b – – 0 11

Study Games for Eco Code A79

A80

Dutch Defence 1.d4 f5

Dutch Defence

1.d4 f5

rnbqkbnr/ppppp1pp/8/5p2/3P4/8/PPP1PPPP/RNBQKBNR w KQkq – 0 2

Study Games for Eco Code A80

A81

Dutch Defence 1. d4 f5 2. g3

Dutch Defence

1. d4 f5 2. g3

rnbqkbnr/ppppp1pp/8/5p2/3P4/6P1/PPP1PP1P/RNBQKBNR b KQkq – 0 2

Study Games for Eco Code A81

A82

Dutch, Staunton Gambit, also includes Balogh Defence 1.d4 f5 2.e4

Dutch, Staunton Gambit, also includes Balogh Defence

1.d4 f5 2.e4

rnbqkbnr/ppppp1pp/8/5p2/3PP3/8/PPP2PPP/RNBQKBNR b KQkq – 0 2

Study Games for Eco Code A82

A83

Dutch, Staunton Gambit, Staunton's line 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5

Dutch, Staunton Gambit, Staunton’s line

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5

rnbqkb1r/ppppp1pp/5n2/6B1/3Pp3/2N5/PPP2PPP/R2QKBNR b KQkq – 3 4

Study Games for Eco Code A83

A84

Dutch Defence 1. d4 f5 2. c4

Dutch Defence

1. d4 f5 2. c4

rnbqkbnr/ppppp1pp/8/5p2/2PP4/8/PP2PPPP/RNBQKBNR b KQkq – 0 2

Study Games for Eco Code A84

A85

Dutch Defence: Queen's Knight Variation 1.d4 f5 2.c4 Nf6 3.Nc3

Dutch Defence: Queen’s Knight Variation

1.d4 f5 2.c4 Nf6 3.Nc3

rnbqkb1r/ppppp1pp/5n2/5p2/2PP4/2N5/PP2PPPP/R1BQKBNR b KQkq – 2 3

Study Games for Eco Code A85

A86

Dutch Defence: Fianchetto Variation 1.d4 f5 2.c4 Nf6 3.g3

Dutch Defence: Fianchetto Variation

1.d4 f5 2.c4 Nf6 3.g3

rnbqkb1r/ppppp1pp/5n2/5p2/2PP4/6P1/PP2PP1P/RNBQKBNR b KQkq – 0 3

Study Games for Eco Code A86

A87

Dutch Defence: Leningrad Variation 1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3

Dutch Defence: Leningrad Variation

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

rnbqk2r/ppppp1bp/5np1/5p2/2PP4/5NP1/PP2PPBP/RNBQK2R b KQkq – 3 5

Study Games for Eco Code A87

A88

Dutch Defence: Leningrad Variation, Warsaw Variation 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, Warsaw Variation

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

rnbq1rk1/pp2p1bp/2pp1np1/5p2/2PP4/2N2NP1/PP2PPBP/R1BQ1RK1 w – – 0 8

Study Games for Eco Code A88

A89

Dutch Defence: Leningrad Variation, Matulovic Variation 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, Matulovic Variation

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

r1bq1rk1/ppp1p1bp/2np1np1/5p2/2PP4/2N2NP1/PP2PPBP/R1BQ1RK1 w – – 2 8

Study Games for Eco Code A89

A90

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

Dutch Defence

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

rnbqkb1r/pppp2pp/4pn2/5p2/2PP4/6P1/PP2PPBP/RNBQK1NR b KQkq – 1 4

Study Games for Eco Code A90

A91

Dutch Defence: Classical Variation 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7

Dutch Defence: Classical Variation

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

rnbqk2r/ppppb1pp/4pn2/5p2/2PP4/6P1/PP2PPBP/RNBQK1NR w KQkq – 2 5

Study Games for Eco Code A91

A92

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

Dutch Defence

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

rnbq1rk1/ppppb1pp/4pn2/5p2/2PP4/5NP1/PP2PPBP/RNBQK2R w KQ – 4 6

Study Games for Eco Code A92

A93

Dutch Defence: Classical Variation, Stonewall Variation, Botvinnik Variation 1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3

Dutch Defence: Classical Variation, Stonewall Variation, Botvinnik Variation

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

rnbq1rk1/ppp1b1pp/4pn2/3p1p2/2PP4/1P3NP1/P3PPBP/RNBQ1RK1 b – – 0 7

Study Games for Eco Code A93

A94

Dutch Defence: Classical Variation, Stonewall Variation 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: Classical Variation, Stonewall Variation

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

rnbq1rk1/pp2b1pp/2p1pn2/3p1p2/2PP4/BP3NP1/P3PPBP/RN1Q1RK1 b – – 1 8

Study Games for Eco Code A94

A95

Dutch Defence: Classical Variation, Stonewall Variation-II 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: Classical Variation, Stonewall Variation-II

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

rnbq1rk1/pp2b1pp/2p1pn2/3p1p2/2PP4/1P3NP1/P3PPBP/RNBQ1RK1 w – – 0 8

Study Games for Eco Code A95

A96

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

Dutch Classical Variation

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

rnbq1rk1/ppp1b1pp/3ppn2/5p2/2PP4/5NP1/PP2PPBP/RNBQ1RK1 w – – 0 7

Study Games for Eco Code A96

A97

Dutch Defence: Classical Variation, Ilyin-Zhenevsky Variation 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: Classical Variation, Ilyin-Zhenevsky Variation

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

rnb1qrk1/ppp1b1pp/3ppn2/5p2/2PP4/2N2NP1/PP2PPBP/R1BQ1RK1 w – – 2 8

Study Games for Eco Code A97

A98

Dutch Defence: Classical Variation, Ilyin-Zhenevsky Variation Alatortsev-Lisitsyn Line 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: Classical Variation, Ilyin-Zhenevsky Variation Alatortsev-Lisitsyn Line

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

rnb1qrk1/ppp1b1pp/3ppn2/5p2/2PP4/2N2NP1/PPQ1PPBP/R1B2RK1 b – – 3 8

Study Games for Eco Code A98

A99

Dutch Defence: Classical Variation, Ilyin-Zhenevsky Variation Modern Main Line 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: Classical Variation, Ilyin-Zhenevsky Variation Modern Main Line

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

rnb1qrk1/ppp1b1pp/3ppn2/5p2/2PP4/1PN2NP1/P3PPBP/R1BQ1RK1 b – – 0 8

Study Games for Eco Code A99

 Eco B  Semi-Open Games – Eco C  Open Games – Eco D  Closed Games and Semi-Closed Games – Eco E  Indian Defences