E52f — Nimzo-Indian: Main Line, 6…b6 7.O-O Bb7 8.a3 Bd6

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 b6 7.O-O Bb7 8.a3 Bd6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, case forte b5, case forte e5, Bd3 actif, paire de fous.
Faiblesses adverses : arriéré c7.
Problèmes : Bc1 enfermé, arriéré b2.
Plans :
● Bd2 — Développer Bc1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : avant-poste e4(C), Bd6 actif, paire de fous.
Faiblesses adverses : arriéré b2, Bc1 enfermé.
Problèmes : arriéré c7.
Plans :
● ...Nbd7 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● b2	● c7
Chaînes	● b2→a3, f2→e3, e3→d4	● e6→d5, a7→b6, c7→b6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0), ● b5 (2v0), ● e5 (2v1)	—
Cases faibles	● e4	—
Centre	● d4 (2v0), ● e5 (2v1)	● d5 (3v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bd3	● Bd3 Actif (mob. 7)
Bd6		● Bd6 Actif (mob. 8)
Bb7		● Bb7 Ok (mob. 3)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	2 (b8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5, ● e3-e4	● …e6-e5

Partie
1970 IBM – Round 7 – Donner, Jan Hein – 1-0 – Ree, Hans – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Bd6 9. b4 dxc4 10. Bxc4 Nbd7
1971 Hoogovens – Round 3 – Gligoric, Sofija – 1-0 – Van den Berg, Cees – G76 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Bd6 9. b4 dxc4 10. Bxc4 Nbd7
1972 Skopje ol (Men) fin-A – Round 9 – Ungureanu, Emil – 1/2-1/2 – Bisguier, Arthur B – G153 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. a3 Bd6 9. b4 dxc4 10. Bxc4 a5
42. Olympiad 2016 – Round 4.28 – Abdikafi Arab Ahmed – 1/2-1/2 – Salem, A.R. Saleh – G283 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 b6 7. O-O Bb7 8. a3 Bd6 9. b3 dxc4 10. Bxc4 Nbd7
Amber Blindfold 2002 – Round 6 – Gelfand, Boris – 1-0 – Ljubojevic, Ljubomir – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Bd3 O-O 6. Nf3 b6 7. O-O Bb7 8. a3 Bd6 9. cxd5 exd5 10. b4 a6
Amber Rapidplay 1999 – Round 4 – Ivanchuk, Vasyl – 1-0 – Piket, Jeroen – G22 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. e3 Bb4 6. Bd3 O-O 7. O-O d5 8. a3 Bd6 9. cxd5 exd5 10. b4 Nbd7
Amber-rapid 20th 2011 – Round 7 – Topalov, Veselin – 1/2-1/2 – Giri, Anish – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Bd6 9. Qe2 c5 10. Rd1 Nbd7
Bugojno 1982 – Round 1 – Gligoric, Svetozar – 1/2-1/2 – Petrosian, Tigran V – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Bd3 O-O 6. Nf3 b6 7. O-O Bb7 8. a3 Bd6 9. cxd5 exd5 10. b4 a6
Erevan ch-URS 1975 – Round 1 – Gulko, Boris – 1/2-1/2 – Tal, Mikhail – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd3 Bb7 7. O-O d5 8. a3 Bd6 9. b4 dxc4 10. Bxc4 Nbd7
EU Team Ch (Men) 17th 2009 – Round 8 – Sargissian, Gabriel – 1/2-1/2 – Jakovenko, Dmitry – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Bd6 9. b4 dxc4 10. Bxc4 a5
Interpolis 1982 – Round 10 – Petrosian, Tigran V. – 1-0 – Browne, Walter Shawn – G47 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. e3 O-O 6. Bd3 Bb7 7. O-O d5 8. a3 Bd6 9. cxd5 exd5 10. b4 a6
Linares 1985 – Round 1 – Polugaevsky, Lev – 1-0 – Christiansen, Larry – G15 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. a3 Bd6 9. cxd5 exd5 10. b4 a6
Lone Pine Open 1978 – Round 7 – Portisch, Lajos – 0-1 – Petrosian, Tigran V. – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. a3 Bd6 9. b4 dxc4 10. Bxc4 Nbd7
Manila Interzonal 1990 – Round 2 – De La Torre Rodriguez, Elizabeth – 0-1 – Korchnoi, Viktor – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. a3 Bd6 9. b4 dxc4 10. Bxc4 Nbd7
Moscow 1975 – Round 1 – Spassky, Boris V. – 1/2-1/2 – Tal, Mikhail – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Bd6 9. b4 dxc4 10. Bxc4 Nbd7
SuperUnited Blitz 2023 – Round 5.3 – Lupulescu, Constantin – 0-1 – Caruana, Fabiano – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Bd6 9. b4 dxc4 10. Bxc4 Nbd7
SuperUnited Rapid 2023 – Round 7.4 – Lupulescu, Constantin – 1/2-1/2 – Firouzja, Alireza – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Bd6 9. b4 dxc4 10. Bxc4 Nbd7
Tal Memorial Blitz 2008 – Round 12 – Kramnik, Vladimir – 1-0 – Morozevich, Alexander – G106 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. e3 O-O 6. Bd3 b6 7. O-O Bb7 8. a3 Bd6 9. cxd5 exd5 10. b4 a6

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