OPENINGS THEORY
- ECO CODES BASE -


- E31 -



[E31-a] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6


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[E31-b] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.dxe6


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[E31-c] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.f3


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[E31-d] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.f3
(WID: e4) exd5 8.cxd5 0-0


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[E31-e] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.f3
(WID: e4) exd5 8.cxd5 0-0 9.e4


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[E31-f] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3


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[E31-g] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
b5 (BL: (Benko lever))+(PFC:
pawn figure complex)) =


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[E31-h] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
e5


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[E31-i] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
e5 8.Qc2 (Nbd7)


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[E31-j] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
e5 8.Ne2 Nbd7 9.Bd3 0-0 +/=


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[E31-k] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
e5 8.Ne2 Nbd7 9.a3 Ba5


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[E31-l] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
exd5 (CP=d5 (critical point))


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[E31-m] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
exd5 (CP=d5 (critical point))
8.cxd5 0-0 +/=


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[E31-n] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
exd5 (CP=d5 (critical point))
8.cxd5 Nbd7 =/unclear


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[E31-o] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
exd5 (CP=d5 (critical point))
8.cxd5 Nbd7 9.Bd3 +/=


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[E31-p] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move))


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[E31-q] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move))
e5 (WID: e4)


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[E31-r] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move))
e5 (WID: e4) 9.Bd3 (e4) =/+


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[E31-s] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move))
e5 9.Bd3 e4 (TRAP: 10.Bxe4? g5!
(trap)) 10.Bc2 (Nbd7) =/+


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[E31-t] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move))
e5 9.Nf3 /unclear


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[E31-u] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move))
e5 9.Nf3 Bf5 (FL: (free line))
/unclear


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[E31-v] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move))
e5 9.f4


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[E31-w] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move))
e5 9.f4 exf4 10.exf4 Qe7+


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[E31-x] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move))
e5 9.f4 exf4 10.exf4 Qe7+ 11.Qe2
Qxe2+ 12.Nxe2 (Ne4) =


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[E31-y] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move)) e5
9.Qc2 (SP: (strategic position))


1. «»
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[E31-z] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move)) e5
9.Qc2 (SP: (strategic position))
b6 =/unclear


1. «»
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[E31-a*] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move)) e5
9.Qc2 (SP: (strategic position))
Nbd7 +/=


1. «»
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[E31-b*] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move)) e5
9.Qc2 (SP: (strategic position))
g5 10.Bg3 +/=


1. «»
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[E31-c*] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move)) e5
9.Qc2 (SP: (strategic position))
g5 10.Bg3 e4 11.h4 +/=


1. «»
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[E31-d*] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move)) e5
9.Qc2 (SP: (strategic position))
Qe7


1. «»
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[E31-e*] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move)) e5
9.Qc2 (SP: (strategic position))
Qe7 10.Nf3 Nbd7 +/=


1. «»
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[E31-f*] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move)) e5
9.f3 (CP=e4 (critical point))


1. «»
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[E31-g*] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move)) e5
9.f3 (CP=e4 (critical point))
b6 /unclear


1. «»
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[E31-h*] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move)) e5
9.f3 (CP=e4 (critical point))
g5 /unclear


1. «»
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[E31-i*] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move)) e5
9.f3 (CP=e4 (critical point))
Qe7 (CF=e (critical file)) +/=


1. «»
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[E31-j*] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move)) e5
9.f3 (CP=e4 (critical point))
Qe7 (CF=e (critical file)) 10.e4


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[E31-k*] - NID: Nimzo-
Indian: Leningrad, main line
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4
4.Bg5 h6 5.Bh4 c5 (TL) 6.d5
(KOLV: (Korchnoi lever)) d6 7.e3
Bxc3+ 8.bxc3 (FM: (forced move)) e5
9.f3 (CP=e4 (critical point))
Qe7 (CF=e (critical file)) 10.e4
Nbd7 +/=


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Sanary sur mer»


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