OPENINGS THEORY
- ECO CODES BASE -

- E09 -



[E09-a] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL:
(Queen's gambit lever))
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2


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[E09-b] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 Qc7


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«»


[E09-c] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b5


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[E09-d] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 Re8


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[E09-e] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 Re8 9.Rd1 Qb6


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[E09-f] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6


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[E09-g] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6 9.e4


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[E09-h] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6 9.e4 dxe4


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[E09-i] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6 9.e4 Bb7


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«»


[E09-j] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6 9.b3


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«»


[E09-k] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6 9.b3 a5


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[E09-l] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6 9.b3 a5 10.Bb2
(DFF: (double fianchetto formation))


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[E09-m] - Catalan:
closed, Sokolsky variation
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6 9.b3 a5 10.Bb2
(DFF: (double fianchetto formation))
Ba6!? (CP=c4)


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[E09-n] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6 9.b3 Ba6!?
(CP=c4)


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[E09-o] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6 9.b3 Ba6!?
(CP=c4) 10.Bb2 (DFF: (double
fianchetto formation)) Rc8
(CF=c (critical file)) =


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[E09-p] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6 9.b3 Bb7


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[E09-q] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6 9.b3 Bb7 10.Bb2
(DFF: (double fianchetto formation))


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[E09-r] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6 9.b3 Bb7 10.Bb2
(DFF: (double fianchetto formation))
Rc8 (CF=c (critical file)) =


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[E09-s] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6 9.b3 Bb7 10.Bb2
(DFF: (double fianchetto formation))
Rc8 (CF=c (critical file)) 11.Rac1 =


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[E09-t] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6 9.b3 Bb7 10.Bb2
(DFF: (double fianchetto formation))
Rc8 (CF=c (critical file)) 11.e4 =


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«»


[E09-u] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6 9.b3 Bb7 10.Bb2
(DFF: (double fianchetto formation))
Rc8 (CF=c (critical file)) 11.e4
Qc7 =/unclear


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[E09-v] - Catalan:
closed, main line
1.d4 Nf6 2.c4 e6 3.g3 d5 (QGL)
4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7
7.Qc2 c6 8.Nbd2 b6 9.b3 Bb7 10.Bb2
(DFF: (double fianchetto formation))
Rc8 (CF=c (critical file)) 11.e4
c5 (TA: (Tarrasch's anvil)) =


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