Classification of Chess Openings

A 00
  - without 1. b3, 1. f4, 1. Nf3, 1. c4, 1. d4, 1. e4

A 01
1. b3

A 02
1. f4
  - without 1... d5

A 03
1. f4 d5

A 04
1. Nf3
  - without 1... Nf6, 1... d5

A 05
1. Nf3 Nf6

A 06
1. Nf3 d5
  - without 2. g3, 2. c4

A 07
1. Nf3 d5 2. g3
  - without 2... c5

A 08
1. Nf3 d5 2. g3 c5

A 09
1. Nf3 d5 2. c4

A 1

A 10
1. c4
  - without 1... c6, 1... e6, 1... Nf6, 1... e5, 1... c5

A 11
1. c4 c6
  - without 2. Nf3
  - 2. Nf3 without 2... d5
  - 2... d5 without 3. b3

A 12
1. c4 c6 2. Nf3 d5 3. b3

A 13
1. c4 e6
  - without 2. Nf3
  - 2. Nf3 without 2... d5
  - 2... d5 without 3. g3
  - 3. g3 without 3... Nf6
  - 3... Nf6 without 4. Bg2
  - 4. Bg2 without 4... Be7

A 14
1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7

A 15
1. c4 Nf6
  - without 2. Nc3

A 16
1. c4 Nf6 2. Nc3
  - without 2... e6

A 17
1. c4 Nf6 2. Nc3 e6
  - without 3. e4

A 18
1. c4 Nf6 2. Nc3 e6 3. e4
  - without 3... c5

A 19
1. c4 Nf6 2. Nc3 e6 3. e4 c5

A 2

A 20
1. c4 e5
  - without 2. Nc3

A 21
1. c4 e5 2. Nc3
  - without 2... Nf6, 2... Nc6

A 22
1. c4 e5 2. Nc3 Nf6
  - without 3. g3
  - 3. g3 without 3... c6, 3... g6

A 23
1. c4 e5 2. Nc3 Nf6 3. g3 c6

A 24
1. c4 e5 2. Nc3 Nf6 3. g3 g6

A 25
1. c4 e5 2. Nc3 Nc6
  - without 3. g3, 3. Nf3
  - 3. g3 without 3... g6
  - 3... g6 without 4. Bg2
  - 4. Bg2 without 4... Bg7
  - 4... Bg7 without 5. d3

A 26
1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3

A 27
1. c4 e5 2. Nc3 Nc6 3. Nf3
  - without 3... Nf6

A 28
1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6
  - without 4. g3

A 29
1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3

A 3

A 30
1. c4 c5
  - without 2. Nf3, 2. Nc3
  - 2. Nf3 without 2... Nf6
  - 2... Nf6 without 3. d4

A 31
1. c4 c5 2. Nf3 Nf6 3. d4
  - without 3... cd4
  - 3... cd4 without 4. Nd4
  - 4. Nd4 without 4... e6

A 32
1. c4 c5 2. Nf3 Nf6 3. d4 cd4 4. Nd4 e6
  - without 5. Nc3
  - 5. Nc3 without 5... Nc6

A 33
1. c4 c5 2. Nf3 Nf6 3. d4 cd4 4. Nd4 e6 5. Nc3 Nc6

A 34
1. c4 c5 2. Nc3
  - without 2... Nc6

A 35
1. c4 c5 2. Nc3 Nc6
  - without 3. g3

A 36
1. c4 c5 2. Nc3 Nc6 3. g3
  - without 3... g6
  - 3... g6 without 4. Bg2
  - 4. Bg2 without 4... Bg7
  - 4... Bg7 without 5. Nf3

A 37
1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3
  - without 5... Nf6

A 38
1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6
  - without 6. 0-0
  - 6. 0-0 without 6... 0-0
  - 6... 0-0 without 7. d4

A 39
1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. 0-0 0-0 7. d4

A 4

A 40
1. d4
  - without 1... d6, 1... c5, 1... Nf6, 1... f5, 1... d5

A 41
1. d4 d6
  - without 2. c4

A 42
1. d4 d6 2. c4

A 43
1. d4 c5
  - without 2. d5
  - 2. d5 without 2... e5

A 44
1. d4 c5 2. d5 e5

A 45
1. d4 Nf6
  - without 2. Nf3, 2. c4

A 46
1. d4 Nf6 2. Nf3
  - without 2... b6, 2... g6

A 47
1. d4 Nf6 2. Nf3 b6

A 48
1. d4 Nf6 2. Nf3 g6
  - without 3. g3

A 49
1. d4 Nf6 2. Nf3 g6 3. g3

A 5

A 50
1. d4 Nf6 2. c4
  - without 2... e5, 2... d6, 2... c5, 2... e6, 2... g6

A 51
1. d4 Nf6 2. c4 e5
  - without 3. de5
  - 3. de5 without 3... Ng4

A 52
1. d4 Nf6 2. c4 e5 3. de5 Ng4

A 53
1. d4 Nf6 2. c4 d6
  - without 3. Nc3
  - 3. Nc3 without 3... e5
  - 3... e5 without 4. Nf3

A 54
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3
  - without 4... Nbd7
  - 4... Nbd7 without 5. e4

A 55
1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4

A 56
1. d4 Nf6 2. c4 c5
  - without 3. d5
  - 3. d5 without 3... b5, 3... e6

A 57
1. d4 Nf6 2. c4 c5 3. d5 b5
  - without 4. cb5
  - 4. cb5 without 4... a6
  - 4... a6 without 5. ba6

A 58
1. d4 Nf6 2. c4 c5 3. d5 b5 4. cb5 a6 5. ba6
  - without 5... Ba6
  - 5... Ba6 without 6. Nc3
  - 6. Nc3 without 6... d6
  - 6... d6 without 7. e4

A 59
1. d4 Nf6 2. c4 c5 3. d5 b5 4. cb5 a6 5. ba6 Ba6 6. Nc3 d6 7. e4

A 6

A 60
1. d4 Nf6 2. c4 c5 3. d5 e6
  - without 4. Nc3

A 61
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3
  - without 4... ed5
  - 4... ed5 without 5. cd5
  - 5. cd5 without 5... d6
  - 5... d6 without 6. Nf3, 6. e4
  - 6. Nf3 without 6... g6
  - 6... g6 without 7. g3

A 62
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. Nf3 g6 7. g3
  - without 7... Bg7
  - 7... Bg7 without 8. Bg2
  - 8. Bg2 without 8... 0-0
  - 8... 0-0 without 9. 0-0
  - 9. 0-0 without 9... a6

A 63
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 0-0 9. 0-0 a6
  - without 10. a4
  - 10. a4 without 10... Nbd7
  - 10... Nbd7 without 11. Nd2

A 64
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 0-0 9. 0-0 a6 10. a4 Nbd7 11. Nd2

A 65
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4
  - without 6... g6
  - 6... g6 without 7. f4, 7. Nf3

A 66
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. f4
  - without 7... Bg7
  - 7... Bg7 without 8. Bb5, 8. Nf3

A 67
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5

A 68
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3
  - without 8... 0-0
  - 8... 0-0 without 9. Be2
  - 9. Be2 without 9... Re8

A 69
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 0-0 9. Be2 Re8

A 7

A 70
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3
  - without 7... Bg7
  - 7... Bg7 without 8. Bg5, 8. Be2

A 71
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bg5

A 72
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2
  - without 8... 0-0
  - 8... 0-0 without 9. 0-0

A 73
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0
  - without 9... a6, 9... Re8

A 74
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 a6
  - without 10. a4
  - 10. a4 without 10... Bg4

A 75
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 a6 10. a4 Bg4

A 76
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 Re8
  - without 10. Nd2

A 77
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Nd2
  - without 10... Na6

A 78
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Nd2 Na6
  - without 11. f3

A 79
1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 ed5 5. cd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Nd2 Na6 11. f3

A 8

A 80
1. d4 f5
  - without 2. g3, 2. e4, 2. c4

A 81
1. d4 f5 2. g3

A 82
1. d4 f5 2. e4
  - without 2... fe4
  - 2... fe4 without 3. Nc3
  - 3. Nc3 without 3... Nf6
  - 3... Nf6 without 4. Bg5

A 83
1. d4 f5 2. e4 fe4 3. Nc3 Nf6 4. Bg5

A 84
1. d4 f5 2. c4
  - without 2... Nf6
  - 2... Nf6 without 3. Nc3, 3. g3

A 85
1. d4 f5 2. c4 Nf6 3. Nc3

A 86
1. d4 f5 2. c4 Nf6 3. g3
  - without 3... g6, 3... e6
  - 3... g6 without 4. Bg2
  - 4. Bg2 without 4... Bg7
  - 4... Bg7 without 5. Nf3

A 87
1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3
  - without 5... 0-0
  - 5... 0-0 without 6. 0-0
  - 6. 0-0 without 6... d6
  - 6... d6 without 7. Nc3
  - 7. Nc3 without 7... c6, 7... Nc6

A 88
1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 0-0 6. 0-0 d6 7. Nc3 c6

A 89
1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 0-0 6. 0-0 d6 7. Nc3 Nc6

A 9

A 90
1. d4 f5 2. c4 Nf6 3. g3 e6
  - without 4. Bg2
  - 4. Bg2 without 4... Be7

A 91
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7
  - without 5. Nf3

A 92
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3
  - without 5... 0-0
  - 5... 0-0 without 6. 0-0
  - 6. 0-0 without 6... d5, 6... d6
  - 6... d5 without 7. b3, 7. Nc3

A 93
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 d5 7. b3
  - without 7... c6
  - 7... c6 without 8. Ba3

A 94
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 d5 7. b3 c6 8. Ba3

A 95
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 d5 7. Nc3

A 96
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 d6
  - without 7. Nc3
  - 7. Nc3 without 7... Qe8

A 97
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 d6 7. Nc3 Qe8
  - without 8. Qc2, 8. b3

A 98
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 d6 7. Nc3 Qe8 8. Qc2

A 99
1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 d6 7. Nc3 Qe8 8. b3

B 01
1. e4 d5

B 02
1. e4 Nf6
  - without 2. e5
  - 2. e5 without 2... Nd5
  - 2... Nd5 without 3. d4

B 03
1. e4 Nf6 2. e5 Nd5 3. d4
  - without 3... d6
  - 3... d6 without 4. Nf3

B 04
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3
  - without 4... Bg4

B 05
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4

B 06
1. e4 g6

B 07
1. e4 d6
  - without 2. d4
  - 2. d4 without 2... Nf6
  - 2... Nf6 without 3. Nc3
  - 3. Nc3 without 3... g6
  - 3... g6 without 4. Nf3, 4. f4

B 08
1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3

B 09
1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4

B 1

B 10
1. e4 c6
  - without 2. Nc3, 2. d4

B 11
1. e4 c6 2. Nc3
  - without 2... d5
  - 2... d5 without 3. Nf3
  - 3. Nf3 without 3... Bg4
  - 3... Bg4

B 12
1. e4 c6 2. d4
  - without 2... d5
  - 2... d5 without 3. ed5, 3. Nc3

B 13
1. e4 c6 2. d4 d5 3. ed5
  - without 3... cd5
  - 3... cd5 without 4. c4
  - 4. c4 without 4... Nf6
  - 4... Nf6 without 5. Nc3
  - 5. Nc3 without 5... g6, 5... e6

B 14
1. e4 c6 2. d4 d5 3. ed5 cd5 4. c4 Nf6 5. Nc3
  - 5... g6
  - 5... e6

B 15
1. e4 c6 2. d4 d5 3. Nc3
  - without 3... de4
  - 3... de4 without 4. Ne4
  - 4. Ne4 without 4... Nf6, 4... Nd7, 4... Bf5
  - 4... Nf6 without 5. Nf6
  - 5. Nf6 ef6

B 16
1. e4 c6 2. d4 d5 3. Nc3 de4 4. Ne4 Nf6 5. Nf6 gf6

B 17
1. e4 c6 2. d4 d5 3. Nc3 de4 4. Ne4 Nd7

B 18
1. e4 c6 2. d4 d5 3. Nc3 de4 4. Ne4 Bf5
  - without 5. Ng3
  - 5. Ng3 without 5... Bg6
  - 5... Bg6 without 6. h4
  - 6. h4 without 6... h6
  - 6... h6 without 7. Nf3

B 19
1. e4 c6 2. d4 d5 3. Nc3 de4 4. Ne4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3

B 2

B 20
1. e4 c5
  - without 2. f4, 2. d4, 2. c3, 2. Nc3, 2. Nf3

B 21
1. e4 c5
  - 2. f4
  - 2. d4

B 22
1. e4 c5 2. c3

B 23
1. e4 c5 2. Nc3
  - without 2... Nc6
  - 2... Nc6 without 3. g3

B 24
1. e4 c5 2. Nc3 Nc6 3. g3
  - without 3... g6
  - 3... g6 without 4. Bg2
  - 4. Bg2 without 4... Bg7
  - 4... Bg7 without 5. d3
  - 5. d3 without 5... d6

B 25
1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6
  - without 6. Be3

B 26
1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3

B 27
1. e4 c5 2. Nf3
  - without 2... a6, 2... Nf6, 2... Nc6, 2... e6, 2... d6

B 28
1. e4 c5 2. Nf3 a6

B 29
1. e4 c5 2. Nf3 Nf6

B 3

B 30
1. e4 c5 2. Nf3 Nc6
  - without 3. Bb5, 3. d4
  - 3. Bb5 without 3... g6

B 31
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6

B 32
1. e4 c5 2. Nf3 Nc6 3. d4
  - without 3... cd4
  - 3... cd4 without 4. Nd4
  - 4. Nd4 without 4... Nf6, 4... g6

B 33
1. e4 c5 2. Nf3 Nc6 3. d4 cd4 4. Nd4 Nf6

B 34
1. e4 c5 2. Nf3 Nc6 3. d4 cd4 4. Nd4 g6
  - without 5. Nc3, 5. c4
  - 5. Nc3 without 5... Bg7
  - 5... Bg7 without 6. Be3
  - 6. Be3 without 6... Nf6
  - 6... Nf6 without 7. Bc4

B 35
1. e4 c5 2. Nf3 Nc6 3. d4 cd4 4. Nd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4

B 36
1. e4 c5 2. Nf3 Nc6 3. d4 cd4 4. Nd4 g6 5. c4
  - without 5... Bg7

B 37
1. e4 c5 2. Nf3 Nc6 3. d4 cd4 4. Nd4 g6 5. c4 Bg7
  - without 6. Be3

B 38
1. e4 c5 2. Nf3 Nc6 3. d4 cd4 4. Nd4 g6 5. c4 Bg7 6. Be3
  - without 6... Nf6
  - 6... Nf6 without 7. Nc3
  - 7. Nc3 without 7... Ng4

B 39
1. e4 c5 2. Nf3 Nc6 3. d4 cd4 4. Nd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4

B 4

B 40
1. e4 c5 2. Nf3 e6
  - without 3. d4

B 41
1. e4 c5 2. Nf3 e6 3. d4
  - without 3... cd4
  - 3... cd4 without 4. Nd4
  - 4. Nd4 without 4... a6, 4... Nc6
  - 4... a6 without 5. Bd3, 5. Nc3

B 42
1. e4 c5 2. Nf3 e6 3. d4 cd4 4. Nd4 a6 5. Bd3

B 43
1. e4 c5 2. Nf3 e6 3. d4 cd4 4. Nd4 a6 5. Nc3

B 44
1. e4 c5 2. Nf3 e6 3. d4 cd4 4. Nd4 Nc6
  - without 5. Nc3

B 45
1. e4 c5 2. Nf3 e6 3. d4 cd4 4. Nd4 Nc6 5. Nc3
  - without 5... a6, 5... Qc7

B 46
1. e4 c5 2. Nf3 e6 3. d4 cd4 4. Nd4 Nc6 5. Nc3 a6

B 47
1. e4 c5 2. Nf3 e6 3. d4 cd4 4. Nd4 Nc6 5. Nc3 Qc7
  - without 6. Be3

B 48
1. e4 c5 2. Nf3 e6 3. d4 cd4 4. Nd4 Nc6 5. Nc3 Qc7 6. Be3
  - without 6... a6
  - 6... a6 without 7. Be2

B 49
1. e4 c5 2. Nf3 e6 3. d4 cd4 4. Nd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2

B 5

B 50
1. e4 c5 2. Nf3 d6
  - without 3. Bb5, 3. d4

B 51
1. e4 c5 2. Nf3 d6 3. Bb5
  - without 3... Bd7

B 52
1. e4 c5 2. Nf3 d6 3. Bb5 Bd7

B 53
1. e4 c5 2. Nf3 d6 3. d4
  - without 3... cd4
  - 3... cd4 without 4. Nd4

B 54
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4
  - without 4... Nf6

B 55
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6
  - without 5. f3, 5. Nc3
  - 5. f3

B 56
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3
  - without 5... Nc6, 5... g6, 5... e6, 5... a6
  - 5... Nc6 without 6. Bc4, 6. Be2, 6. Bg5

B 57
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 Nc6 6. Bc4

B 58
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 Nc6 6. Be2
  - without 6... e5
  - 6... e5 without 7. Nb3

B 59
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3

B 6

B 60
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 Nc6 6. Bg5
  - without 6... Bd7, 6... e6
  - 6... Bd7 without 7. Qd2

B 61
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 7. Qd2

B 62
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 Nc6 6. Bg5 e6
  - without 7. Qd2

B 63
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2
  - without 7... Be7, 7... a6
  - 7... Be7 without 8. 0-0-0
  - 8. 0-0-0 without 8... 0-0
  - 8... 0-0 without 9. f4

B 64
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 0-0 9. f4
  - without 9... Nd4

B 65
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 0-0 9. f4 Nd4 10. Qd4

B 66
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6
  - without 8. 0-0-0
  - 8. 0-0-0 without 8... Bd7

B 67
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7
  - without 9. f4
  - 9. f4 without 9... Be7

B 68
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 Be7
  - without 10. Nf3
  - 10. Nf3 without 10... b5
  - 10... b5 without 11. Bf6

B 69
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 Be7 10. Nf3 b5 11. Bf6

B 7

B 70
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 g6
  - without 6. f4, 6. Be3

B 71
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 g6 6. f4

B 72
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 g6 6. Be3
  - without 6...Bg7
  - 6... Bg7 without 7. Be2, 7. f3
  - 7. Be2 without 7... Nc6
  - 7... Nc6 without 8. 0-0

B 73
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. 0-0
  - without 8... 0-0
  - 8... 0-0 without 9. Nb3

B 74
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. 0-0 0-0 9. Nb3

B 75
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3
  - without 7... 0-0

B 76
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0
  - without 8. Qd2
  - 8. Qd2 without 8... Nc6
  - 8... Nc6 without 9. Bc4

B 77
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4
  - without 9... Bd7
  - 9... Bd7 without 10. 0-0-0

B 78
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0
  - without 10... Qa5
  - 10... Qa5 without 11. Bb3
  - 11. Bb3 without 11... Rfc8

B 79
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Qa5 11. Bb3 Rfc8

B 8

B 80
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 e6
  - without 6. g4, 6. f4, 6. Be2, 6. Bc4

B 81
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 e6 6. g4

B 82
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 e6 6. f4

B 83
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 e6 6. Be2
  - without 6... a6

B 84
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 e6 6. Be2 a6
  - without 7. 0-0
  - 7. 0-0 without 7... Be7
  - 7... Be7 without 8. f4
  - 8. f4 without 8... 0-0
  - 8... 0-0 without 9. Be3

B 85
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 e6 6. Be2 a6 7. 0-0 Be7 8. f4 0-0 9. Be3

B 86
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 e6 6. Bc4
  - without 6... a6, 6... Nc6
  - 6... a6 without 7. Bb3
  - 7. Bb3 without 7... b5

B 87
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 e6 6. Bc4 a6 7. Bb3 b5

B 88
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 e6 6. Bc4 Nc6
  - without 7. Be3

B 89
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 e6 6. Bc4 Nc6 7. Be3

B 9

B 90
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 a6
  - without 6. g3, 6. Be2, 6. f4, 6. Bg5

B 91
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 a6 6. g3

B 92
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 a6 6. Be2

B 93
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 a6 6. f4

B 94
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 a6 6. Bg5
  - without 6... e6

B 95
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 a6 6. Bg5 e6
  - without 7. f4

B 96
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4
  - without 7... Qb6, 7... Be7

B 97
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6

B 98
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7
  - without 8. Qf3
  - 8. Qf3 without 8... Qc7
  - 8... Qc7 without 9. 0-0-0
  - 9. 0-0-0 without 9... Nbd7

B 99
1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7

C 

C 00
1. e4 e6
  - without 2. d4

C 01
1. e4 e6 2. d4
  - without 2... d5
  - 2... d5 without 3. e5, 3. Nd2, 3. Nc3
  - 3. ed5

C 02
1. e4 e6 2. d4 d5 3. e5

C 03
1. e4 e6 2. d4 d5 3. Nd2
  - without 3... Nc6, 3... Nf6, 3... c5

C 04
1. e4 e6 2. d4 d5 3. Nd2 Nc6

C 05
1. e4 e6 2. d4 d5 3. Nd2 Nf6
  - without 4. e5
  - 4. e5 without 4... Nfd7
  - 4... Nfd7 without 5. Bd3
  - 5. Bd3 without 5... c5
  - 5... c5 without 6. c3
  - 6. c3 without 6... Nc6
  - 6... Nc6 without 7. Ne2
  - 7. Ne2 without 7... cd4

C 06
1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cd4

C 07
1. e4 e6 2. d4 d5 3. Nd2 c5
  - without 4. ed5
  - 4. ed5 without 4... ed5

C 08
1. e4 e6 2. d4 d5 3. Nd2 c5 4. ed5 ed5
  - without 5. Ngf3
  - 5. Ngf3 without 5... Nc6

C 09
1. e4 e6 2. d4 d5 3. Nd2 c5 4. ed5 ed5 5. Ngf3 Nc6

C 1

C 10
1. e4 e6 2. d4 d5 3. Nc3
  - without 3... Nf6, 3... Bb4

C 11
1. e4 e6 2. d4 d5 3. Nc3 Nf6
  - without 4. Bg5
  - 4. Bg5 without 4... Bb4, 4... Be7

C 12
1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4

C 13
1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7
  - without 5. e5
  - 5. e5 without 5... Nfd7
  - 5... Nfd7 without 6. Be7

C 14
1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Be7

C 15
1. e4 e6 2. d4 d5 3. Nc3 Bb4
  - without 4. e5

C 16
1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5
  - without 4... c5

C 17
1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5
  - without 5. a3
  - 5. a3 without 5... Bc3

C 18
1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bc3 6. bc3
  - without 6... Ne7
  - 6... Ne7 without 7. Nf3, 7. a4

C 19
1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bc3 6. bc3 Ne7
  - 7. Nf3
  - 7. a4

C 2

C 20
1. e4 e5
  - without 2. d4, 2. Bc4, 2. Nc3, 2. f4, 2. Nf3

C 21
1. e4 e5 2. d4
  - without 2... ed4
  - 2... ed4 without 3. Qd4

C 22
1. e4 e5 2. d4 ed4 3. Qd4

C 23
1. e4 e5 2. Bc4
  - without 2... Nf6

C 24
1. e4 e5 2. Bc4 Nf6

C 25
1. e4 e5 2. Nc3
  - without 2... Nf6

C 26
1. e4 e5 2. Nc3 Nf6
  - without 3. Bc4, 3. f4
  - 3. Bc4 without 3... Ne4, 3... Nc6

C 27
1. e4 e5 2. Nc3 Nf6 3. Bc4 Ne4

C 28
1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6

C 29
1. e4 e5 2. Nc3 Nf6 3. f4

C 3

C 30
1. e4 e5 2. f4
  - without 2... d5, 2... ef4

C 31
1. e4 e5 2. f4 d5
  - without 3. ed5
  - 3. ed5 without 3... e4

C 32
1. e4 e5 2. f4 d5 3. ed5 e4

C 33
1. e4 e5 2. f4 ef4
  - without 3. Nf3

C 34
1. e4 e5 2. f4 ef4 3. Nf3
  - without 3... Be7, 3... d5, 3... g5

C 35
1. e4 e5 2. f4 ef4 3. Nf3 Be7

C 36
1. e4 e5 2. f4 ef4 3. Nf3 d5

C 37
1. e4 e5 2. f4 ef4 3. Nf3 g5
  - without 4. Bc4, 4. h4
  - 4. Bc4 without 4... Bg7

C 38
1. e4 e5 2. f4 ef4 3. Nf3 g5 4. Bc4 Bg7

C 39
1. e4 e5 2. f4 ef4 3. Nf3 g5 4. h4

C 4

C 40
1. e4 e5 2. Nf3
  - without 2... d6, 2... Nf6, 2... Nc6

C 41
1. e4 e5 2. Nf3 d6

C 42
1. e4 e5 2. Nf3 Nf6
  - without 3. d4

C 43
1. e4 e5 2. Nf3 Nf6 3. d4

C 44
1. e4 e5 2. Nf3 Nc6
  - without 3. d4, 3. Nc3, 3. Bc4, 3. Bb5
  - 3. d4 without 3... ed4
  - 3... ed4 without 4. Nd4

C 45
1. e4 e5 2. Nf3 Nc6 3. d4 ed4 4. Nd4

C 46
1. e4 e5 2. Nf3 Nc6 3. Nc3
  - without 3... Nf6

C 47
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6
  - without 4. Bb5

C 48
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5
  - without 4... Bb4

C 49
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4

C 5

C 50
1. e4 e5 2. Nf3 Nc6 3. Bc4
  - without 3... Bc5, 3... Nf6
  - 3... Bc5 without 4. b4, 4. c3

C 51
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4
  - without 4... Bb4
  - 4... Bb4 without 5. c3
  - 5. c3 without 5... Ba5

C 52
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb4 5. c3 Ba5

C 53
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3
  - without 4... Nf6

C 54
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6

C 55
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
  - without 4. d4, 4. Ng5
  - 4. d4 without 4... ed4
  - 4... ed4 without 5. 0-0
  - 5. 0-0 without 5... Ne4

C 56
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 ed4 5. 0-0 Ne4

C 57
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5
  - without 4... d5
  - 4... d5 without 5. ed5
  - 5. ed5 without 5... Na5

C 58
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. ed5 Na5
  - without 6. Bb5
  - 6. Bb5 without 6... c6
  - 6... c6 without 7. dc6
  - 7. dc6 without 7... bc6
  - 7... bc6 without 8. Be2

C 59
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. ed5 Na5 6. Bb5 c6 7. dc6 bc6 8. Be2

C 6

C 60
1. e4 e5 2. Nf3 Nc6 3. Bb5
  - without 3... Nd4, 3... d6, 3... f5, 3... Bc5, 3... Nf6, 3... a6

C 61
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4

C 62
1. e4 e5 2. Nf3 Nc6 3. Bb5 d6

C 63
1. e4 e5 2. Nf3 Nc6 3. Bb5 f5

C 64
1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5

C 65
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6
  - without 4. 0-0
  - 4. 0-0 without 4... d6, 4... Ne4

C 66
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 d6

C 67
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Ne4

C 68
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
  - without 4. Bc6, 4. Ba4
  - 4. Bc6 without 4... dc6
  - 4... dc6 without 5. 0-0
  - 5. 0-0 without 5... f6

C 69
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bc6 dc6 5. 0-0 f6

C 7

C 70
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4
  - without 4... d6, 4... Nf6

C 71
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6
  - without 5. 0-0, 5. Bc6, 5. c3

C 72
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0

C 73
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bc6 bc6

C 74
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3
  - without 5... Bd7

C 75
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7
  - without 6. d4
  - 6. d4 without 6... g6

C 76
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 g6

C 77
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6
  - without 5. 0-0

C 78
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0
  - without 5... d6, 5... Ne4, 5... Be7

C 79
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6

C 8

C 80
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Ne4
  - without 6. d4
  - 6. d4 without 6... b5
  - 6... b5 without 7. Bb3
  - 7. Bb3 without 7... d5
  - 7... d5 without 8. de5
  - 8. de5 without 8... Be6
  - 8... Be6 without 9. Qe2, 9. c3

C 81
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Ne4 6. d4 b5 7. Bb3 d5 8. de5 Be6 9. Qe2

C 82
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Ne4 6. d4 b5 7. Bb3 d5 8. de5 Be6 9. c3
  - without 9... Be7

C 83
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Ne4 6. d4 b5 7. Bb3 d5 8. de5 Be6 9. c3 Be7

C 84
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7
  - without 6. Bc6, 6. Qe2, 6. Re1

C 85
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bc6

C 86
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Qe2

C 87
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1
  - without 6... b5

C 88
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3
  - without 7... 0-0, 7... d6
  - 7... 0-0 without 8. c3

C 89
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3

C 9

C 90
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6
  - without 8. c3
  - 8. c3 without 8... 0-0
  - 8... 0-0 without 9. d4, 9. h3

C 91
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d4

C 92
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3
  - without 9... h6, 9... Nb8, 9... Na5

C 93
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 h6

C 94
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Nb8
  - without 10. d4

C 95
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Nb8 10. d4

C 96
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5
  - without 10. Bc2
  - 10. Bc2 without 10... c5
  - 10... c5 without 11. d4
  - 11. d4 without 11... Qc7

C 97
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7
  - without 12. Nbd2
  - 12. Nbd2 without 12... Nc6, 12... cd4

C 98
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6

C 99
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cd4

D 00
1. d4 d5
  - without 2. Nc3, 2. Nf3, 2. c4
  - 2. Nc3 without 2... Nf6
  - 2... Nf6 without 3. Bg5

D 01
1. d4 d5 2. Nc3 Nf6 3. Bg5

D 02
1. d4 d5 2. Nf3
  - without 2... Nf6
  - 2... Nf6 without 3. Bg5, 3. e3

D 03
1. d4 d5 2. Nf3 Nf6 3. Bg5

D 04
1. d4 d5 2. Nf3 Nf6 3. e3
  - without 3... e6

D 05
1. d4 d5 2. Nf3 Nf6 3. e3 e6

D 06
1. d4 d5 2. c4
  - without 2... Nc6, 2... e5, 2... c6, 2... dc4, 2... e6

D 07
1. d4 d5 2. c4 Nc6

D 08
1. d4 d5 2. c4 e5
  - without 3. de5
  - 3. de5 without 3... d4
  - 3... d4 without 4. Nf3
  - 4. Nf3 without 4... Nc6
  - 4... Nc6 without 5. g3

D 09
1. d4 d5 2. c4 e5 3. de5 d4 4. Nf3 Nc6 5. g3

D 1

D 10
1. d4 d5 2. c4 c6
  - without 3. Nf3

D 11
1. d4 d5 2. c4 c6 3. Nf3
  - without 3... Nf6
  - 3... Nf6 without 4. e3, 4. cd5, 4. Nc3
  - 4. e3 without 4... Bf5

D 12
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5

D 13
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cd5
  - without 4... cd5
  - 4... cd5 without 5. Nc3
  - 5. Nc3 without 5... Nc6
  - 5... Nc6 without 6. Bf4
  - 6. Bf4 without 6... Bf5

D 14
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cd5 cd5 5. Nc3 Nc6 6. Bf4 Bf5

D 15
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3
  - without 4... dc4
  - 4... dc4 without 5. a4

D 16
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dc4 5. a4
  - without 5... Bf5

D 17
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dc4 5. a4 Bf5
  - without 6. e3

D 18
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dc4 5. a4 Bf5 6. e3
  - without 6... e6
  - 6... e6 without 7. Bc4
  - 7. Bc4 without 7... Bb4
  - 7... Bb4 without 8. 0-0
  - 8. 0-0 without 8... 0-0
  - 8... 0-0 without 9. Qe2

D 19
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dc4 5. a4 Bf5 6. e3 e6 7. Bc4 Bb4
8. 0-0 0-0 9. Qe2

D 2

D 20
1. d4 d5 2. c4 dc4
  - without 3. Nf3

D 21
1. d4 d5 2. c4 dc4 3. Nf3
  - without 3... a6, 3... Nf6
  - 3... a6 without 4. e3

D 22
1. d4 d5 2. c4 dc4 3. Nf3 a6 4. e3

D 23
1. d4 d5 2. c4 dc4 3. Nf3 Nf6
  - without 4. Nc3, 4. e3

D 24
1. d4 d5 2. c4 dc4 3. Nf3 Nf6 4. Nc3

D 25
1. d4 d5 2. c4 dc4 3. Nf3 Nf6 4. e3
  - without 4... e6

D 26
1. d4 d5 2. c4 dc4 3. Nf3 Nf6 4. e3 e6
  - without 5. Bc4
  - 5. Bc4 without 5... c5
  - 5... c5 without 6. 0-0
  - 6. 0-0 without 6... a6

D 27
1. d4 d5 2. c4 dc4 3. Nf3 Nf6 4. e3 e6 5. Bc4 c5 6. 0-0 a6
  - without 7. Qe2

D 28
1. d4 d5 2. c4 dc4 3. Nf3 Nf6 4. e3 e6 5. Bc4 c5 6. 0-0 a6 7. Qe2
  - without 7... b5
  - 7... b5 without 8. Bb3

D 29
1. d4 d5 2. c4 dc4 3. Nf3 Nf6 4. e3 e6 5. Bc4 c5 6. 0-0 a6 7. Qe2 b5 8. Bb3

D 3

D 30
1. d4 d5 2. c4 e6
  - without 3. Nc3

D 31
1. d4 d5 2. c4 e6 3. Nc3
  - without 3... c5, 3... Nf6

D 32
1. d4 d5 2. c4 e6 3. Nc3 c5
  - without 4. cd5
  - 4. cd5 without 4... ed5
  - 4... ed5 without 5. Nf3
  - 5. Nf3 without 5... Nc6
  - 5... Nc6 without 6. g3

D 33
1. d4 d5 2. c4 e6 3. Nc3 c5 4. cd5 ed5 5. Nf3 Nc6 6. g3
  - without 6... Nf6
  - 6... Nf6 without 7. Bg2
  - 7. Bg2 without 7... Be7

D 34
1. d4 d5 2. c4 e6 3. Nc3 c5 4. cd5 ed5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7

D 35
1. d4 d5 2. c4 e6 3. Nc3 Nf6
  - without 4. cd5, 4. Nf3, 4. Bg5
  - 4. cd5 without 4... ed5
  - 4... ed5 without 5. Bg5
  - 5. Bg5 without 5... c6
  - 5... c6 without 6. Qc2

D 36
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cd5 ed5 5. Bg5 c6 6. Qc2

D 37
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3
  - without 4... Bb4, 4... c5, 4... c6

D 38
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bb4
  - without 5. Bg5
  - 5. Bg5 without 5... dc4

D 39
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Bb4 5. Bg5 dc4

D 4

D 40
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5
  - without 5. cd5

D 41
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cd5
  - without 5... Nd5
  - 5... Nd5 without 6. e3

D 42
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cd5 Nd5 6. e3

D 43
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6
  - without 5. Bg5, 5. e3
  - 5. Bg5 without 5... dc4

D 44
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. Bg5 dc4

D 45
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3
  - without 5... Nbd7
  - 5... Nbd7 without 6. Bd3

D 46
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3
  - without 6... dc4

D 47
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dc4 7. Bc4
  - without 7... b5
  - 7... b5 without 8. Bd3
  - 8. Bd3 without 8... a6

D 48
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dc4 7. Bc4 b5 8. Bd3 a6
  - without 9. e4
  - 9. e4 without 9... c5
  - 9... c5 without 10. e5
  - 10. e5 without 10... cd4
  - 10... cd4 without 11. Nb5

D 49
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dc4 7. Bc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cd4 11. Nb5

D 5

D 50
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5
  - without 4... Nbd7, 4... Be7

D 51
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7
  - without 5. e3
  - 5. e3 without 5... c6
  - 5... c6 without 6. Nf3

D 52
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3

D 53
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7
  - without 5. e3
  - 5. e3 without 5... 0-0
  - 5... 0-0 without 6. Rc1, 6. Nf3

D 54
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Rc1

D 55
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3
  - without 6... h6, 6... Nbd7
  - 6... h6 without 7. Bh4

D 56
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4
  - without 7... Ne4, 7... b6
  - 7... Ne4 without 8. Be7
  - 8. Be7 without 8... Qe7
  - 8... Qe7 without 9. cd5

D 57
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 Ne4 8. Be7 Qe7 9. cd5

D 58
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 b6
  - without 8. cd5
  - 8. cd5 without 8... Nd5

D 59<