Chess Opening Variances: Queen’s Gambit Declined Eco Code D30 – D69

1. Click on the Pictures to Study the Variances on Chess Boards

2. Click on Notation to continue and Play the Openings Rated

Guide

D30

Queen’s Gambit Declined: Orthodox Defence

D30 Queen's Gambit Declined: Orthodox Defence

1. d4 d5 2. c4 e6

Study Games for Eco Code D30

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D30

D31

Queens Gambit Declined, 3.Nc3

D31 Queens Gambit Declined, 3.Nc3

1. d4 d5 2. c4 e6 3. Nc3

Study Games for Eco Code D31

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D31

D32

Queens Gambit Declined: Tarrasch Defence

D32 Queens Gambit Declined: Tarrasch Defence

 1. d4 d5 2. c4 e6 3. Nc3 c5

Study Games for Eco Code D32

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D32

D33

Queens Gambit Declined: Tarrasch, Schlechter–Rubinstein System

D33 Queens Gambit Declined: Tarrasch, Schlechter–Rubinstein System

 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3

Study Games for Eco Code D33

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D33

D34

Queens Gambit Declined: Tarrasch, 7…Be7

D34 Queens Gambit Declined: Tarrasch, 7...Be7

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7

Study Games for Eco Code D34

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D34

D35

Queens Gambit Declined: Exchange Variation

D35 Queens Gambit Declined: Exchange Variation

 1. d4 d5 2. c4 e6 3. Nc3 Nf6

Study Games for Eco Code D35

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D35

D36

Queens Gambit Declined: Exchange, positional line, 6.Qc2

D36 Queens Gambit Declined: Exchange, positional line, 6.Qc2

 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2

Study Games for Eco Code D36

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D37

Queens Gambit Declined: 4.Nf3

D37 Queens Gambit Declined: 4.Nf3

 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3

Study Games for Eco Code D37

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D37

D38

Queens Gambit Declined: Ragozin Variation

D38 Queens Gambit Declined: Ragozin Variation

 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bb4

Study Games for Eco Code D38

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D38

D39

Queens Gambit Declined: Ragozin, Vienna Variation

D39 Queens Gambit Declined: Ragozin, Vienna Variation

 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bb4 5. Bg5 d5xc4

Study Games for Eco Code D39

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D40

Queens Gambit Declined: Semi-Tarrasch Defence

D40 Queens Gambit Declined: Semi-Tarrasch Defence

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5

Study Games for Eco Code D40

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D40

D41

Queens Gambit Declined: Semi-Tarrasch, 5.cxd5

D41 Queens Gambit Declined: Semi-Tarrasch, 5.cxd5

 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5

Study Games for Eco Code D41

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D41

D42

Queens Gambit Declined: Semi-Tarrasch, 7.Bd3

D42 Queens Gambit Declined: Semi-Tarrasch, 7.Bd3

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3

Study Games for Eco Code D42

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D43

Queens Gambit Declined: Semi-Slav Defence

D43 Queens Gambit Declined: Semi-Slav Defence

 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6

Study Games for Eco Code D43

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D44

Queens Gambit Declined: Semi-Slav 5.Bg5 dxc4

D44 Queens Gambit Declined: Semi-Slav 5.Bg5 dxc4

 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dxc4

Study Games for Eco Code D44

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D44

D45

Queens Gambit Declined: Semi-Slav 5.e3

D45 Queens Gambit Declined: Semi-Slav 5.e3

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3

Study Games for Eco Code D45

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D45

D46

Queens Gambit Declined: Semi-Slav 6.Bd3

D46 Queens Gambit Declined: Semi-Slav 6.Bd3

 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3

Study Games for Eco Code D46

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D46

D47

Queens Gambit Declined: Semi-Slav 7.Bc4

D47 Queens Gambit Declined: Semi-Slav 7.Bc4

 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4

Study Games for Eco Code D47

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D47

D48

Queens Gambit Declined: Meran, 8…a6

D48 Queens Gambit Declined: Meran, 8...a6

 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6

Study Games for Eco Code D48

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D48

D49

Queens Gambit Declined: Meran, 11.Nxb5

D49 Queens Gambit Declined: Meran, 11.Nxb5

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5

Study Games for Eco Code D49

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D49

D50

Queens Gambit Declined: 4.Bg5

D50 Queens Gambit Declined: 4.Bg5

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5

Study Games for Eco Code D50

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D50

D51

Queens Gambit Declined: 4.Bg5 Nbd7 (Cambridge Springs Defence and Elephant Trap)

D51 Queens Gambit Declined: 4.Bg5 Nbd7 (Cambridge Springs Defence and Elephant Trap)

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7

Study Games for Eco Code D51

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D51

D52

Queens Gambit Declined

D52 Queens Gambit Declined

 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3

Study Games for Eco Code D52

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D52

D53

Queens Gambit Declined: 4.Bg5 Be7

D53 Queens Gambit Declined: 4.Bg5 Be7

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7

Study Games for Eco Code D53

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D53

D54

Queens Gambit Declined: Anti-neo-Orthodox Variation

D54 Queens Gambit Declined: Anti-neo-Orthodox Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Rc1

Study Games for Eco Code D54

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D55

Queens Gambit Declined: 6.Nf3

D55 Queens Gambit Declined: 6.Nf3

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3

Study Games for Eco Code D55

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D55

D56

Queens Gambit Declined: Lasker Defence

D56 Queens Gambit Declined: Lasker Defence

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 Ne4

Study Games for Eco Code D56

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D56

D57

Queens Gambit Declined: Lasker Defence, Main line

D57 Queens Gambit Declined: Lasker Defence, Main line

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3

Study Games for Eco Code D57

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D57

D58

Queens Gambit Declined: Tartakower (Tartakower–Makogonov–Bondarevsky) System

D58 Queens Gambit Declined: Tartakower (Tartakower–Makogonov–Bondarevsky) System

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 b6

Study Games for Eco Code D58

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D59

Queens Gambit Declined: Tartakower (Tartakower–Makogonov–Bondarevsky) System, 8.cxd5 Nxd5

D59 Queens Gambit Declined: Tartakower (Tartakower–Makogonov–Bondarevsky) System, 8.cxd5 Nxd5

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 b6 8. cxd5 Nxd5

Study Games for Eco Code D59

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D59

D60

Queens Gambit Declined: Orthodox Defence

D60 Queens Gambit Declined: Orthodox Defence

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7

Study Games for Eco Code D60

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D60

D61

Queens Gambit Declined: Orthodox Defence, Rubinstein Variation

D61 Queens Gambit Declined: Orthodox Defence, Rubinstein Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Qc2

Study Games for Eco Code D61

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D62

Queens Gambit Declined: Orthodox Defence, 7.Qc2 c5, 8.cxd5 (Rubinstein)

D62 Queens Gambit Declined: Orthodox Defence, 7.Qc2 c5, 8.cxd5 (Rubinstein)

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Qc2 c5 8. cxd5

Study Games for Eco Code D62

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D63

Queens Gambit Declined: Orthodox Defence, 7.Rc1

D63 Queens Gambit Declined: Orthodox Defence, 7.Rc1

 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 Nbd7 7. Rc1

Study Games for Eco Code D63

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D63

D64

Queens Gambit Declined: Orthodox Defence, Rubinstein Attack (with Rc1)

D64 Queens Gambit Declined: Orthodox Defence, Rubinstein Attack (with Rc1)

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Qc2

Study Games for Eco Code D64

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D64

D65

Queens Gambit Declined: Orthodox Defence, Rubinstein Attack, Main line

D65 Queens Gambit Declined: Orthodox Defence, Rubinstein Attack, Main line

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 Nbd7 7. Rc1 c6 8. Qc2 a6 9.cxd5

Study Games for Eco Code D65

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D66

Queens Gambit Declined: Orthodox Defence, Bd3 line including Rubinstein Trap

D66 Queens Gambit Declined: Orthodox Defence, Bd3 line including Rubinstein Trap

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3

Study Games for Eco Code D66

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D66

D67

Queens Gambit Declined: Orthodox Defence, Bd3 line, Capablanca freeing manoeuvre

D67 Queens Gambit Declined: Orthodox Defence, Bd3 line, Capablanca freeing manoeuvre

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5

Study Games for Eco Code D67

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D67

D68

Queens Gambit Declined: Orthodox Defence, Classical Variation

D68 Queens Gambit Declined: Orthodox Defence, Classical Variation

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5

Study Games for Eco Code D68

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D68

D69

Queens Gambit Declined: Orthodox Defence, Classical, 13.dxe5

D69 Queens Gambit Declined: Orthodox Defence, Classical, 13.dxe5

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5

Study Games for Eco Code D69

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