English Opening (잉글리시 오프닝)

ECO codes here

• A10
• A11
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A20
• A21
• A22
• A23
• A24
• A25
• A26
• A27
• A28
• A29
• A30
• A31
• A32
• A33
• A34
• A35
• A36
• A37
• A38
• A39
• C20

Variations in this family

Ordered by ECO code. A blank label means the entry carries the family name alone.

1. A10English Opening1 movesPlay this line

   1. c4

2. A10Anglo-Dutch Defense2 movesPlay this line

   1. c4 f5

3. A10Anglo-Lithuanian Variation2 movesPlay this line

   1. c4 Nc6

4. A10Anglo-Scandinavian Defense2 movesPlay this line

   1. c4 d5

5. A10Great Snake Variation2 movesPlay this line

   1. c4 g6

6. A10Jaenisch Gambit2 movesPlay this line

   1. c4 b5

7. A10Myers Defense2 movesPlay this line

   1. c4 g5

8. A10Achilles-Omega Gambit3 movesPlay this line

   1. c4 Nf6 2. e4

9. A10Anglo-Dutch Defense, Hickmann Gambit3 movesPlay this line

   1. c4 f5 2. e4

10. A10Wade Gambit3 movesPlay this line

    1. c4 f5 2. g4

11. A10Adorjan Defense4 movesPlay this line

    1. c4 g6 2. e4 e5

12. A10Anglo-Scandinavian Defense, Löhn Gambit4 movesPlay this line

    1. c4 d5 2. cxd5 e6

13. A10Anglo-Scandinavian Defense, Schulz Gambit4 movesPlay this line

    1. c4 d5 2. cxd5 Nf6

14. A10Myers Gambit4 movesPlay this line

    1. c4 g5 2. d4 Bg7

15. A10Zilbermints Gambit4 movesPlay this line

    1. c4 g5 2. d4 e5

16. A10Anglo-Dutch Variation, Chabanon Gambit5 movesPlay this line

    1. c4 f5 2. Nf3 d6 3. e4

17. A10Anglo-Dutch Variation, Ferenc Gambit5 movesPlay this line

    1. c4 f5 2. Nc3 Nf6 3. e4

18. A10Anglo-Scandinavian Defense, Malvinas Variation6 movesPlay this line

    1. c4 d5 2. cxd5 Qxd5 3. Nc3 Qa5

19. A10Porcupine Variation7 movesPlay this line

    1. c4 f5 2. Nc3 Nf6 3. e4 fxe4 4. g4

20. A10King's English Variation, Botvinnik System, Prickly Pawn Pass System16 movesPlay this line

    1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 O-O 5. e4 d6 6. Nge2 e5 7. O-O c6 8. d3 a6

21. A11Caro-Kann Defensive System2 movesPlay this line

    1. c4 c6

22. A13Agincourt Defense2 movesPlay this line

    1. c4 e6

23. A13Agincourt Defense3 movesPlay this line

    1. c4 e6 2. Nf3

24. A13Agincourt Defense4 movesPlay this line

    1. c4 e6 2. Nf3 d5

25. A13Agincourt Defense, Catalan Defense6 movesPlay this line

    1. c4 e6 2. Nf3 d5 3. g3 c5

26. A13Agincourt Defense, Kurajica Defense6 movesPlay this line

    1. c4 e6 2. Nf3 d5 3. g3 c6

27. A13Neo-Catalan6 movesPlay this line

    1. c4 e6 2. Nf3 d5 3. g3 Nf6

28. A13Agincourt Defense, Bogoljubow Defense8 movesPlay this line

    1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bd6

29. A13Agincourt Defense, Catalan Defense Accepted8 movesPlay this line

    1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc4

30. A13Agincourt Defense, Catalan Defense, Semi-Slav Defense8 movesPlay this line

    1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 c6

31. A13Neo-Catalan Declined8 movesPlay this line

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

32. A13Romanishin Gambit8 movesPlay this line

    1. c4 Nf6 2. Nf3 e6 3. g3 a6 4. Bg2 b5

33. A13Agincourt Defense, Catalan Defense9 movesPlay this line

    1. c4 e6 2. Nf3 d5 3. g3 b6 4. Bg2 Bb7 5. O-O

34. A13Agincourt Defense, Wimpy System9 movesPlay this line

    1. c4 e6 2. Nf3 Nf6 3. b3 d5 4. Bb2 c5 5. e3

35. A13Agincourt Defense10 movesPlay this line

    1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Be7 5. e3 O-O

36. A13Agincourt Defense11 movesPlay this line

    1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Be7 5. e3 O-O 6. d4

37. A13Agincourt Defense, Tarrasch Defense12 movesPlay this line

    1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 c5 5. b3 Nc6 6. O-O Be7

38. A14Agincourt Defense, Neo-Catalan Declined9 movesPlay this line

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

39. A14Agincourt Defense, Neo-Catalan Declined, Early b39 movesPlay this line

    1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. b3

40. A14Agincourt Defense, Neo-Catalan Declined, Early b310 movesPlay this line

    1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. b3 b6

41. A14Agincourt Defense, Neo-Catalan Declined, Early b310 movesPlay this line

    1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. b3 c5

42. A14Agincourt Defense, Neo-Catalan Declined11 movesPlay this line

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

43. A14Agincourt Defense, Neo-Catalan Declined12 movesPlay this line

    1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5

44. A14Agincourt Defense, Neo-Catalan Declined13 movesPlay this line

    1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5 7. e3

45. A14Agincourt Defense, Keres Defense14 movesPlay this line

    1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O c5 6. cxd5 Nxd5 7. Nc3 Nc6

46. A14Agincourt Defense, Neo-Catalan Declined14 movesPlay this line

    1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5 7. e3 d4

47. A14Agincourt Defense, Neo-Catalan Declined14 movesPlay this line

    1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5 7. e3 Nc6

48. A15Anglo-Indian Defense2 movesPlay this line

    1. c4 Nf6

49. A15Anglo-Indian Defense, King's Knight Variation3 movesPlay this line

    1. c4 Nf6 2. Nf3

50. A15Anglo-Indian Defense, King's Indian Formation4 movesPlay this line

    1. c4 Nf6 2. Nf3 g6

51. A15Anglo-Indian Defense, Old Indian Formation4 movesPlay this line

    1. c4 Nf6 2. Nf3 d6

52. A15Anglo-Indian Defense, Queen's Indian Formation4 movesPlay this line

    1. c4 Nf6 2. Nf3 b6

53. A15Anglo-Indian Defense, Scandinavian Defense4 movesPlay this line

    1. c4 Nf6 2. Nf3 d5

54. A15Anglo-Indian Defense, Grünfeld Formation6 movesPlay this line

    1. c4 Nf6 2. Nf3 g6 3. g3 d5

55. A15Anglo-Indian Defense, Romanishin Variation6 movesPlay this line

    1. c4 e6 2. Nf3 Nf6 3. g3 a6

56. A15Anglo-Indian Defense, Scandinavian Defense, Exchange Variation6 movesPlay this line

    1. c4 Nf6 2. Nf3 d5 3. cxd5 Nxd5

57. A15Anglo-Indian Defense, Slav Formation6 movesPlay this line

    1. c4 Nf6 2. Nf3 g6 3. g3 c6

58. A15Anglo-Indian Defense, Anti-Anti-Grünfeld7 movesPlay this line

    1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. e4

59. A15Anglo-Indian Defense, King's Indian Formation, Double Fianchetto8 movesPlay this line

    1. c4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7

60. A15Anglo-Indian Defense, Queen's Indian Formation8 movesPlay this line

    1. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7

61. A16Anglo-Indian Defense, Queen's Knight Variation3 movesPlay this line

    1. c4 Nf6 2. Nc3

62. A16Anglo-Grünfeld Defense4 movesPlay this line

    1. c4 Nf6 2. Nc3 d5

63. A16Anglo-Indian Defense, Anglo-Grünfeld Variation7 movesPlay this line

    1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3

64. A16Anglo-Indian Defense, Anglo-Grünfeld Variation8 movesPlay this line

    1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6

65. A16Anglo-Indian Defense, Anglo-Grünfeld Variation10 movesPlay this line

    1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6

66. A16Anglo-Indian Defense, Anglo-Grünfeld Variation10 movesPlay this line

    1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3

67. A16Anglo-Grünfeld Defense, Korchnoi Variation12 movesPlay this line

    1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. g3 Bg7 6. Bg2 e5

68. A17Anglo-Indian Defense, Hedgehog System4 movesPlay this line

    1. c4 Nf6 2. Nc3 e6

69. A17Anglo-Indian Defense, Nimzo-English6 movesPlay this line

    1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4

70. A17Anglo-Indian Defense, Queen's Indian Formation6 movesPlay this line

    1. c4 e6 2. Nc3 Nf6 3. Nf3 b6

71. A17Anglo-Indian Defense, Zvjaginsev-Krasenkow Attack7 movesPlay this line

    1. c4 e6 2. Nc3 Nf6 3. Nf3 Bb4 4. g4

72. A17Anglo-Indian Defense, Queen's Indian Variation9 movesPlay this line

    1. c4 e6 2. Nc3 Nf6 3. Nf3 b6 4. e4 Bb7 5. Bd3

73. A17Anglo-Indian Defense10 movesPlay this line

    1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 c5 5. e3 e6

74. A18Mikenas-Carls Variation5 movesPlay this line

    1. c4 e6 2. Nc3 Nf6 3. e4

75. A18Mikenas-Carls Variation6 movesPlay this line

    1. c4 e6 2. Nc3 Nf6 3. e4 Nc6

76. A18Mikenas-Carls Variation7 movesPlay this line

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

77. A19Mikenas-Carls, Sicilian6 movesPlay this line

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

78. A19Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei Gambit8 movesPlay this line

    1. c4 e6 2. Nc3 Nf6 3. e4 c5 4. e5 Ng8

79. A20King's English Variation2 movesPlay this line

    1. c4 e5

80. A20King's English Variation, Nimzowitsch Variation3 movesPlay this line

    1. c4 e5 2. Nf3

81. A20Drill Variation4 movesPlay this line

    1. c4 e5 2. g3 h5

82. A20King's English Variation, Nimzowitsch-Flohr Variation4 movesPlay this line

    1. c4 e5 2. Nf3 e4

83. A20King's English Variation, Kahiko-Hula Gambit7 movesPlay this line

    1. c4 e5 2. e3 Nf6 3. f4 exf4 4. Nf3

84. A21King's English Variation, Reversed Sicilian3 movesPlay this line

    1. c4 e5 2. Nc3

85. A21King's English Variation, Kramnik-Shirov Counterattack4 movesPlay this line

    1. c4 e5 2. Nc3 Bb4

86. A21King's English Variation5 movesPlay this line

    1. c4 e5 2. Nc3 d6 3. Nf3

87. A21King's English Variation, Keres Defense6 movesPlay this line

    1. c4 e5 2. Nc3 d6 3. g3 c6

88. A21King's English Variation, Smyslov Defense6 movesPlay this line

    1. c4 e5 2. Nc3 d6 3. Nf3 Bg4

89. A21King's English Variation, Troger Defense8 movesPlay this line

    1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6

90. A22King's English Variation, Two Knights Variation4 movesPlay this line

    1. c4 e5 2. Nc3 Nf6

91. A22Carls-Bremen System5 movesPlay this line

    1. c4 e5 2. Nc3 Nf6 3. g3

92. A22King's English, Mazedonisch5 movesPlay this line

    1. c4 e5 2. Nc3 Nf6 3. f4

93. A22King's English Variation, Two Knights Variation, Reversed Dragon6 movesPlay this line

    1. c4 e5 2. Nc3 Nf6 3. g3 d5

94. A22King's English Variation, Two Knights Variation, Smyslov System6 movesPlay this line

    1. c4 e5 2. Nc3 Nf6 3. g3 Bb4

95. A22King's English Variation, Adhiban Gambit8 movesPlay this line

    1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 c6

96. A22King's English Variation, Bellon Gambit8 movesPlay this line

    1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 b5

97. A22King's English, Erbenheimer Gambit8 movesPlay this line

    1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 Ng4

98. A23King's English Variation, Two Knights Variation, Keres Variation6 movesPlay this line

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

99. A23King's English Variation, Two Knights Variation, Keres Variation8 movesPlay this line

    1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6

100. A24King's English Variation, Two Knights Variation, Fianchetto Line6 movesPlay this line

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

101. A25King's English Variation, Reversed Closed Sicilian4 movesPlay this line

     1. c4 e5 2. Nc3 Nc6

102. A25King's English Variation, Taimanov Variation8 movesPlay this line

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

103. A25King's English Variation, Closed System9 movesPlay this line

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

104. A25King's English Variation, Hungarian Attack9 movesPlay this line

     1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1

105. A25King's English Variation, Reversed Closed Sicilian9 movesPlay this line

     1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. Nd5

106. A25Closed, Taimanov Variation10 movesPlay this line

     1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Rb1 Nh6 5. Bg2 Bg7

107. A25King's English Variation, Reversed Closed Sicilian11 movesPlay this line

     1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. e4 d6 6. Nge2

108. A25King's English Variation, Reversed Closed Sicilian11 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. e4 O-O 5. Nge2 Nc6 6. Bg2

109. A25Closed, Taimanov Variation12 movesPlay this line

     1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nh6

110. A25King's English Variation, Bremen-Hort Variation12 movesPlay this line

     1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Be6

111. A25King's English Variation, Reversed Closed Sicilian12 movesPlay this line

     1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. e4 d6 6. Nge2 Bg4

112. A26King's English Variation, Closed System, Full Symmetry10 movesPlay this line

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

113. A26King's English Variation, Botvinnik System11 movesPlay this line

     1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e4

114. A27King's English Variation, Three Knights System5 movesPlay this line

     1. c4 e5 2. Nc3 Nc6 3. Nf3

115. A28King's English Variation, Four Knights Variation6 movesPlay this line

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

116. A28Four Knights System, Nimzowitsch Variation7 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4

117. A28King's English Variation, Four Knights Variation, Flexible Line7 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3

118. A28King's English Variation, Four Knights Variation, Korchnoi Line7 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a3

119. A28King's English Variation, Four Knights Variation, Quiet Line7 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3

120. A28King's English Variation, Four Knights Variation, Bradley Beach Variation8 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 e4

121. A28King's English Variation, Four Knights Variation, Quiet Line10 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3

122. A28King's English Variation, Four Knights Variation, Quiet Line13 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 O-O 6. Nd5 Re8 7. Qf5

123. A28King's English Variation, Four Knights Variation16 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Bg5 h6 7. Bh4 Bxc3+ 8. bxc3 Ne5

124. A29King's English Variation, Four Knights Variation, Fianchetto Line7 movesPlay this line

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

125. A29King's English Variation, Four Knights Variation, Fianchetto Line8 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4

126. A29King's English Variation, Four Knights Variation, Fianchetto Line10 movesPlay this line

     1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6

127. A29King's English Variation, Four Knights Variation, Fianchetto Line11 movesPlay this line

     1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. d3

128. A29King's English Variation, Four Knights Variation, Fianchetto Line, with .. d611 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2

129. A29King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, a612 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 a6

130. A29King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, Be712 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 d6 5. d3 Be7 6. Nf3 O-O

131. A29King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, h612 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 h6

132. A29King's English Variation, Four Knights Variation, Fianchetto Line, with Bc512 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5

133. A29King's English Variation, Four Knights Variation, Fianchetto Line, with Nb612 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6

134. A29King's English Variation, Four Knights Variation, Fianchetto Line, with .. d613 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 O-O 7. O-O

135. A29King's English Variation, Four Knights Variation, Fianchetto Line14 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 Bxc3 6. dxc3 d6 7. O-O O-O

136. A29King's English Variation, Four Knights Variation, Fianchetto Line14 movesPlay this line

     1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. d3 Be7 7. O-O O-O

137. A29King's English Variation, Four Knights Variation, Fianchetto Line, Delayed .. Nc614 movesPlay this line

     1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. Nf3 Re8 6. O-O e4 7. Nd4 Nc6

138. A30Symmetrical Variation2 movesPlay this line

     1. c4 c5

139. A30Symmetrical Variation3 movesPlay this line

     1. c4 c5 2. Nf3

140. A30Wing Gambit3 movesPlay this line

     1. c4 c5 2. b4

141. A30Symmetrical Variation, Napolitano Gambit5 movesPlay this line

     1. c4 c5 2. Nf3 Nf6 3. b4

142. A30Symmetrical Variation, Hedgehog Defense12 movesPlay this line

     1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. g3 b6 5. Bg2 Bb7 6. O-O Be7

143. A30Symmetrical, Hedgehog, Flexible Formation20 movesPlay this line

     1. c4 e6 2. Nf3 c5 3. Nc3 Nf6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 a6 10. b3 Nbd7

144. A31Symmetrical Variation, Anti-Benoni Variation5 movesPlay this line

     1. c4 Nf6 2. d4 c5 3. Nf3

145. A32Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense8 movesPlay this line

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

146. A33Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense10 movesPlay this line

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

147. A33Symmetrical Variation, Anti-Benoni Variation, Geller Variation12 movesPlay this line

     1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. d4 Nc6 5. g3 cxd4 6. Nxd4 Qb6

148. A34Symmetrical Variation, Normal Variation3 movesPlay this line

     1. c4 c5 2. Nc3

149. A34Symmetrical Variation, Fianchetto Variation5 movesPlay this line

     1. c4 Nf6 2. Nc3 c5 3. g3

150. A34Symmetrical Variation, Three Knights Variation5 movesPlay this line

     1. c4 c5 2. Nc3 Nf6 3. Nf3

151. A34Symmetrical Variation10 movesPlay this line

     1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 cxd4

152. A34Symmetrical Variation, Rubinstein Variation10 movesPlay this line

     1. c4 Nf6 2. Nc3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7

153. A34Symmetrical Variation, Rubinstein Variation12 movesPlay this line

     1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7

154. A35Symmetrical Variation, Two Knights Variation4 movesPlay this line

     1. c4 c5 2. Nc3 Nc6

155. A35Symmetrical Variation6 movesPlay this line

     1. c4 c5 2. Nc3 Nf6 3. Nf3 e5

156. A35Symmetrical Variation, Four Knights Variation6 movesPlay this line

     1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6

157. A35Symmetrical Variation, Four Knights Variation, Keres-Parma System8 movesPlay this line

     1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 e6

158. A36Symmetrical Variation, Two Knights, Fianchetto Variation5 movesPlay this line

     1. c4 c5 2. Nc3 Nc6 3. g3

159. A36Symmetrical Variation, Ultra-Symmetrical Variation8 movesPlay this line

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

160. A36Symmetrical Variation, Botvinnik System9 movesPlay this line

     1. c4 c5 2. e4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2

161. A36Symmetrical Variation, Botvinnik System Reversed, with e310 movesPlay this line

     1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 e5

162. A37Symmetrical Variation, Three Knights, Fianchetto Variation9 movesPlay this line

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

163. A37Symmetrical Variation, Botvinnik System Reversed, with Nf310 movesPlay this line

     1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5

164. A37Symmetrical Variation, Three Knights, Fianchetto Variation11 movesPlay this line

     1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O d6 6. Nc3

165. A37Symmetrical Variation, Three Knights, Fianchetto Variation11 movesPlay this line

     1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O e6 6. Nc3

166. A37Symmetrical Variation, Botvinnik System Reversed, with Nf312 movesPlay this line

     1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O d6

167. A37Symmetrical Variation, Botvinnik System Reversed, with Nf312 movesPlay this line

     1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O Nge7

168. A37Symmetrical Variation, Botvinnik System Reversed, with Nf313 movesPlay this line

     1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O Nge7 7. a3

169. A37Symmetrical Variation, Botvinnik System Reversed, with Nf313 movesPlay this line

     1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O Nge7 7. d3

170. A37Symmetrical Variation, Botvinnik System Reversed, with Nf314 movesPlay this line

     1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. O-O Nge7 7. d3 d6

171. A38Symmetrical Variation, Full Symmetry Line10 movesPlay this line

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

172. A38Symmetrical Variation, Double Fianchetto13 movesPlay this line

     1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. b3

173. A38Symmetrical Variation, Duchamp Variation13 movesPlay this line

     1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. Nc3 Nc6 7. d3

174. A39Symmetrical Variation, Mecking Variation13 movesPlay this line

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

175. C20The Whale3 movesPlay this line

     1. e4 e5 2. c4

Other families of similar size

• Italian Game
• Queen's Gambit Declined
• French Defense
• King's Gambit Accepted
• King's Indian Defense
• Ruy Lopez
• Caro-Kann Defense
• Nimzo-Indian Defense
• Queen's Pawn Game
• Dutch Defense
• Semi-Slav Defense
• Queen's Indian Defense