OPENINGS THEORY
- ECO CODES BASE -


- E06 -



[E06-a] - Catalan:
closed, 5.Nf3
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3


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«»


[E06-b] - Catalan:
closed, 5.Nf3
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 Nbd7


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«»


[E06-c] - Catalan:
closed, 5.Nf3
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0


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[E06-d] - Catalan:
closed, 5.Nf3
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL=
c4-d5 (Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.Qc2 c5
(TA: (Tarrasch anvil)) =


1. «»
«»


[E06-e] - Catalan:
closed, 5.Nf3
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


1. «»
«»


[E06-f] - Catalan:
closed, 5.Nf3
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 Ne4
(SP: strategic position))


1. «»
«»


[E06-g] - Catalan:
closed, 5.Nf3
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 Ne4
(SP: strategic position))
7.Nc3 Nxc3 8.bxc3 (FM)


1. «»
«»


[E06-h] - Catalan:
closed, 5.Nf3
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 Ne4
(SP: strategic position))
7.Nc3 Nxc3 8.bxc3 (FM) c6 +/=


1. «»
«»


[E06-i] - Catalan:
closed, 5.Nf3
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 b6


1. «»
«»


[E06-j] - Catalan:
closed, 5.Nf3
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 b6
7.cxd5


1. «»
«»


[E06-k] - Catalan:
closed, 5.Nf3
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 b6
7.cxd5 Nxd5 8.e4 (WPC: (White
perfect centre)) (Nf6) +/-


1. «»
«»


[E06-l] - Catalan:
closed, 5.Nf3
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 Nc6


1. «»
«»


[E06-m] - Catalan:
closed, 5.Nf3
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 Nc6
7.Ne5!? (Nxe5)


1. «»
«»


[E06-n] - Catalan:
closed, 5.Nf3
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 Nc6
7.b3 (Ne4)


1. «»
«»


[E06-o] - Catalan:
closed, 5.Nf3
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 Nc6
7.b3 Ne4 (SP: (strategic position))
8.Bb2 (DFF: (double fianchetto
formation)) f5 9.Ne5!? Nxe5


1. «»
«»


[E06-p] - Catalan:
closed, 5.Nf3
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 Nc6
7.b3 Ne4 (SP: (strategic position))
8.Bb2 f5 9.Ne5!? Nxe5 10.dxe5 (FM)
c6 11.Nc3 Bd7 (LBF: (lower Bishops'
formation)) (12.e3)


1. «»
«»


[E06-q] - Catalan:
closed, Taimanov variation
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 Nc6
7.b3 Ne4 (SP: (strategic position))
8.Bb2 f5 9.Ne5!? Nxe5 10.dxe5 (FM)
c6 11.Nc3 Bd7 (LBF: (lower Bishops'
formation)) 12.e3 Nxc3 13.Bxc3 +/=


1. «»
«»


[E06-r] - Catalan:
closed, 5.Nf3, 6...c5
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 c5!?
(TA: Tarrasch anvil))


1. «»
«»


[E06-s] - Catalan:
closed, 5.Nf3, 6...c5
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 c5!?
(TA: Tarrasch anvil)) 7.Qc2


1. «»
«»


[E06-t] - Catalan:
closed, 5.Nf3, 6...c5
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 c5!?
(TA: Tarrasch anvil)) 7.Qc2 cxd4
8.Nxd4


1. «»
«»


[E06-u] - Catalan:
closed, 5.Nf3, 6...c5
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 c5!?
(TA: Tarrasch anvil)) 7.Qc2 cxd4
8.Nxd4 Nc6 9.Nxc6 bxc6 (FM)


1. «»
«»


[E06-v] - Catalan:
closed, 5.Nf3, 6...c5
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 c5!?
(TA: Tarrasch anvil)) 7.dxc5


1. «»
«»


[E06-w] - Catalan:
closed, 5.Nf3, 6...c5
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 c5!?
(TA: Tarrasch anvil)) 7.dxc5
Bxc5


1. «»
«»


[E06-x] - Catalan:
closed, Four Knights
formation
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 c5!?
(TA: Tarrasch anvil)) 7.dxc5
Bxc5 8.Nc3 Nc6 (FNBF: (four
Knights basic formation))


1. «»
«»


[E06-y] - Catalan:
closed, 5.Nf3, 6...c5
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 c5!?
(TA: Tarrasch anvil)) 7.cxd5


1. «»
«»


[E06-z] - Catalan:
closed, 5.Nf3, 6...c5
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 c5!?
(TA: Tarrasch anvil)) 7.cxd5
Nxd5


1. «»
«»


[E06-a*] - Catalan:
closed, 5.Nf3, 6...c5
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 c5!?
(TA: Tarrasch anvil)) 7.cxd5
Nxd5 8.e4 (Nf6)


1. «»
«»


[E06-b*] - Catalan:
closed, 5.Nf3, 6...c5
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 c5!?
(TA: Tarrasch anvil)) 7.cxd5
Nxd5 8.e4 Nb6


1. «»
«»


[E06-c*] - Catalan:
closed, 5.Nf3, 6...c6
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 c6


1. «»
«»


[E06-d*] - Catalan:
closed, 5.Nf3, 6...c6
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 c6
7.a4 (WID: counter b5)


1. «»
«»


[E06-e*] - Catalan:
closed, 5.Nf3, 6...c6
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 c6
7.Nbd2


1. «»
«»


[E06-f*] - Catalan:
closed, 5.Nf3, 6...c6
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 c6
7.Qc2


1. «»
«»


[E06-g*] - Catalan:
closed, 5.Nf3, 6...c6
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 c6
7.Qc2 b6


1. «»
«»


[E06-h*] - Catalan:
closed, 5.Nf3, 6...c6
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 c6
7.Qc2 b6 8.Nbd2 Bb7 (CP=d5)


1. «»
«»


[E06-i*] - Catalan:
closed, 5.Nf3, 6...c6
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 c6
7.Nc3


1. «»
«»


[E06-j*] - Catalan:
closed, 5.Nf3, 6...c6
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 c6
7.Nc3 b6


1. «»
«»


[E06-k*] - Catalan:
closed, 5.Nf3, 6...c6
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 c6
7.Nc3 b6 8.Bf4


1. «»
«»


[E06-l*] - Catalan:
closed, 5.Nf3, 6...c6
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 c6
7.Nc3 b6 8.Bf4 Bb7 (CD=a8-h1)


1. «»
«»


[E06-m*] - Catalan:
closed, 5.Nf3, 6...c6
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 c6
7.Nc3 b6 8.Ne5 Ba6!?


1. «»
«»


[E06-n*] - Catalan:
closed, 5.Nf3, 6...c6
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 c6
7.Nc3 b6 8.Ne5 Bb7 (CD=a8-h1)


1. «»
«»

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