OPENINGS THEORY
- ECO CODES BASE -

- E07 -



[E07-a] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7


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[E07-b] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.cxd5


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«»


[E07-c] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nbd2


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«»


[E07-d] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nbd2 b6


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«»


[E07-e] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nbd2 b6 8.b3 Bb7 9.Bb2 (DFF:
(double fianchetto formation))


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«»


[E07-f] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 (b6?)


1. «»
«»


[E07-g] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 c6


1. «»
«»


[E07-h] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 c6 8.Qb3 (CD=a2-g8) b6


1. «»
«»


[E07-i] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 c6 8.Qb3 (CD=a2-g8) b6
9.cxd5 exd5 =


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«»


[E07-j] - Catalan:
closed, Botvinnik variation
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 c6 8.Qd3 (SP: (srategic
position))


1. «»
«»


[E07-k] - Catalan:
closed, Botvinnik variation
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 c6 8.Qd3 (SP: (srategic
position)) Re8


1. «»
«»


[E07-l] - Catalan:
closed, Botvinnik variation
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 c6 8.Qd3 (SP: (srategic
position)) Re8 9.e4!? =


1. «»
«»


[E07-m] - Catalan:
closed, Botvinnik variation
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 c6 8.Qd3 (SP: (srategic
position)) dxc4


1. «»
«»


[E07-n] - Catalan:
closed, Botvinnik variation
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 c6 8.Qd3 (SP: (srategic
position)) dxc4 9.Qxc4


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«»


[E07-o] - Catalan:
closed, Botvinnik variation
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 c6 8.Qd3 (SP: (srategic
position)) b6


1. «»
«»


[E07-p] - Catalan:
closed, Botvinnik variation
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 c6 8.Qd3 (SP: (srategic
position)) b6 9.cxd5 cxd5


1. «»
«»


[E07-q] - Catalan:
closed, Botvinnik variation
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 c6 8.Qd3 (SP: (srategic
position)) b6 9.e4 (KL=d5-e4
(King's lever)) Ba6! (RPIM::
(relative pin move))


1. «»
«»


[E07-r] - Catalan:
closed, Botvinnik variation
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 c6 8.Qd3 (SP: (srategic
position)) b6 9.e4 (KL=d5-e4
(King's lever)) Ba6! (RPIM::
(relative pin move)) 10.b3


1. «»
«»


[E07-s] - Catalan:
closed, Botvinnik variation
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 c6 8.Qd3 (SP: (srategic
position)) b6 9.e4 (KL=d5-e4
(King's lever)) Ba6! (RPIM::
(relative pin move)) 10.b3 b5


1. «»
«»


[E07-t] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 dxc4


1. «»
«»


[E07-u] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 dxc4 8.e4 (WPC : (White
perfect centre)) c5 (TL) +/=


1. «»
«»


[E07-v] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Nc3 dxc4 8.e4 (WPC : (White
perfect centre)) c6 +/=


1. «»
«»


[E07-w] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.b3


1. «»
«»


[E07-x] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.b3 c6 (CP=d5 (critical point))


1. «»
«»


[E07-y] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.b3 c6 (CP=d5 (critical point))
8.Ba3!?


1. «»
«»


[E07-z] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.b3 c6 (CP=d5 (critical point))
8.Bb2 (DFF: (double fianchetto
formation)) =


1. «»
«»


[E07-a*] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.b3 c6 (CP=d5 (critical point))
8.Bb2 (DFF: (double fianchetto
formation)) b6 =


1. «»
«»


[E07-b*] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.b3 c6 (CP=d5 (critical point))
8.Bb2 (DFF: (double fianchetto
formation)) b6 9.Nbd2 Bb7 =


1. «»
«»


[E07-c*] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.b3 c6 (CP=d5 (critical point))
8.Bb2 (DFF: (double fianchetto
formation)) b6 9.Nc3 Ba6 +/=


1. «»
«»


[E07-d*] - Catalan:
closed, 6...Nbd7
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.b3 c6 (CP=d5 (critical point))
8.Bb2 (DFF: (double fianchetto
formation)) b6 9.Nc3 Bb7 +/=


1. «»
«»

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