Chess-Theory , links, openings, eco codes, analysed games, base

OPENINGS THEORY
- ECO CODES BASE -

- D97 -

[D97-a] - Grunfeld:
Russian variation, 7.e4
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre))

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[D97-b] - Grunfeld:
Russian, Levenfish variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) b6

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[D97-c] - Grunfeld:
Russian variation, 7.e4
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) Nbd7

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[D97-d] - Grunfeld:
Russian, Szabo
(Boleslavsky) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) c6

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[D97-e] - Grunfeld:
Russian, Szabo
(Boleslavsky) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) c6
8.Be2 b5 (DWTH: (Development
With Threat))

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[D97-f] - Grunfeld:
Russian, Szabo
(Boleslavsky) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) c6
8.Qb3 (SW: (strategic withdrawal))
(e5!?) +/=

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[D97-g] - Grunfeld:
Russian, Szabo
(Boleslavsky) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) c6
8.Qb3 (SW: (strategic withdrawal))
e5!? 9.dxe5 Ng4 +/=

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[D97-h] - Grunfeld:
Russian, Szabo
(Boleslavsky) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) c6
8.Bf4

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[D97-i] - Grunfeld:
Russian, Szabo
(Boleslavsky) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) c6
8.Bf4 Bg4 9.Be2 Nbd7 (PFC:
(pawns-figures complex))

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[D97-j] - Grunfeld:
Russian, Byrne
(Simagin) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) Nc6
(FNBF: (four Knights basic
formation)) (CP=d4)

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[D97-k] - Grunfeld:
Russian, Byrne
(Simagin) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) Nc6
(CP=d4) 8.h3 Nd7 (WID: Nb6)

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[D97-l] - Grunfeld:
Russian, Byrne
(Simagin) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) Nc6
(CP=d4) 8.Be2 Nd7 (WID: Nb6)

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[D97-m] - Grunfeld:
Russian, Byrne
(Simagin) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) Nc6
(CP=d4) 8.Be2 Nd7 (WID: Nb6)
9.d5 (Nde5) +/=

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[D97-n] - Grunfeld:
Russian, Alekhine
(Hungarian) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) a6

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[D97-o] - Grunfeld:
Russian, Alekhine
(Hungarian) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) a6
8.Bf4 b5 9.Qxc7 Qxc7 10.Bxc7
(Bb7) =

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[D97-p] - Grunfeld:
Russian, Alekhine
(Hungarian) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) a6
8.Bf4 b5 9.Qxc7 Qxc7 10.Bxc7
Bb7 11.Bd3 b4

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[D97-q] - Grunfeld:
Russian, Alekhine
(Hungarian) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) a6
8.Bf4 b5 9.Qb3 (SW: strategic
withdrawal)) =

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[D97-r] - Grunfeld:
Russian, Alekhine
(Hungarian) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) a6
8.Qb3 (SW: strategic withdrawal))

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[D97-s] - Grunfeld:
Russian, Alekhine
(Hungarian) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) a6
8.Qb3 (SW: strategic withdrawal))
c5 (TALV: (Tarrasch's lever)) =

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[D97-t] - Grunfeld:
Russian, Alekhine
(Hungarian) variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) a6
8.Qb3 (SW: strategic withdrawal))
c5!? (TALV: (Tarrasch's lever))
9.dxc5 Nbd7 =

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[D97-u] - Grunfeld:
Russian, Prins variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) Na6

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[D97-v] - Grunfeld:
Russian, Prins variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) Na6
8.Bg5 =\unclear

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[D97-w] - Grunfeld:
Russian, Prins variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) Na6
8.Bf4 =\unclear

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[D97-x] - Grunfeld:
Russian, Prins variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) Na6
8.Qa4 (c5) =\unclear

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[D97-y] - Grunfeld:
Russian, Prins variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) Na6
8.Qb3 (c5) =\unclear

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[D97-z] - Grunfeld:
Russian, Prins variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) Na6
8.Be2 c5 (TALV: (Tarrasch's
lever)) =\unclear

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[D97-a*] - Grunfeld:
Russian, Prins variation
1.d4 Nf6 2.c4 g6 3.Nc3 d5
4.Nf3 Bg7 5.Qb3 (CP=d5)
(CD=a2-g8=Italian diagonal)
dxc4 6.Qxc4 0-0 7.e4 (WPC:
(White perfect centre)) Na6
8.Be2 c5 (TALV: (Tarrasch's
lever)) 9.d5 e6 (CP=d5) (CD=
Italian diagonal) =\unclear

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