E40 - E49

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------------------------------------ E40 ------------------------------------

E40 Nimzo-Indian: 4.e3

1.d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3

   E40 Nimzo-Indian: 4.e3, Taimanov variation

   1.d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 b8c6

 

------------------------------------ E41 ------------------------------------

E41 Nimzo-Indian: 4.e3 c5

1.d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 c7c5

   E41 Nimzo-Indian: e3, Huebner variation

   1.d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 c7c5 f1d3 b8c6 g1f3 b4c3 b2c3 d7d6

 

------------------------------------ E42 ------------------------------------

E42 Nimzo-Indian: 4.e3 c5, 5.Ne2 (Rubinstein)

1.d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 c7c5 g1e2

 

------------------------------------ E43 ------------------------------------

E43 Nimzo-Indian: Fischer variation

1.d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 b7b6

 

------------------------------------ E44 ------------------------------------

E44 Nimzo-Indian: Fischer variation, 5.Ne2

1.d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 b7b6 g1e2

 

------------------------------------ E45 ------------------------------------

E45 Nimzo-Indian: 4.e3, Bronstein (Byrne) variation

1.d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 b7b6 g1e2 c8a6

 

------------------------------------ E46 ------------------------------------

E46 Nimzo-Indian: 4.e3 O-O

1.d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8

   E46 Nimzo-Indian: Reshevsky variation

   1.d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1e2

      E46 Nimzo-Indian: Simagin variation

      1.d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 g1e2 d7d5 a2a3 b4d6

 

------------------------------------ E47 ------------------------------------

E47 Nimzo-Indian: 4.e3 O-O, 5.Bd3

1.d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 f1d3

 

------------------------------------ E48 ------------------------------------

E48 Nimzo-Indian: 4.e3 O-O, 5.Bd3 d5

1.d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 f1d3 d7d5

 

------------------------------------ E49 ------------------------------------

E49 Nimzo-Indian: 4.e3, Botvinnik system

1.d2d4 g8f6 c2c4 e7e6 b1c3 f8b4 e2e3 e8g8 f1d3 d7d5 a2a3 b4c3 b2c3