E56i — Nimzo-Indian: Main Line, 7…Nc6 8.a3 dxc4 9.Bxc4
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 8.a3 dxc4 9.Bxc4 * ● Trait aux Noirs
Ouverture — Centre semi-ouvert
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Avantages : majorité centre (2v1), case forte b5, case forte e5, Bc4 actif, paire de fous, colonne c.
Faiblesses adverses : Bc8 enfermé.
Problèmes : Bc1 enfermé, arriéré b2.
Plans :
● Bd2 — Développer Bc1
● h3 — Empêcher ...Bg4
● Rc — Tour sur colonne c
Faiblesses adverses : Bc8 enfermé.
Problèmes : Bc1 enfermé, arriéré b2.
Plans :
● Bd2 — Développer Bc1
● h3 — Empêcher ...Bg4
● Rc — Tour sur colonne c
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Avantages : majorité aile_dame (3v2), case forte d5, avant-poste d5(C), paire de fous, colonne d.
Faiblesses adverses : arriéré b2, Bc1 enfermé.
Problèmes : Bc8 enfermé.
Plans :
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)
● ...Na5 — Attaquer Bc4
● ...Bg4 — Clouer Nf3
● ...e5 — Rupture
● ...Rd — Tour sur colonne d
Faiblesses adverses : arriéré b2, Bc1 enfermé.
Problèmes : Bc8 enfermé.
Plans :
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)
● ...Na5 — Attaquer Bc4
● ...Bg4 — Clouer Nf3
● ...e5 — Rupture
● ...Rd — Tour sur colonne d
Avantages
Faiblesses adverses
Diagonale active
Plans
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | — |
| Pions isolés | — | — |
| Arriérés | ● b2 | — |
| Chaînes | ● b2→a3, f2→e3, e3→d4 | ● f7→e6 |
| Passés | — | — |
| Majorité | ● centre 2v1 | ● aile_dame 3v2 |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● b5 (2v0), ● e5 (2v1) | ● d5 (3v2) |
| Cases faibles | — | — |
| Centre | ● e5 (2v1) | ● d5 (3v2) |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs | |
| Semi-ouvertes | ● c | ● d |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 1) | |
| Bc4 | ● Bc4 Actif (mob. 8) | |
| Bb4 | ● Bb4 Ok (mob. 3) | |
| Bc8 | ● Bc8 Non développé (mob. 1) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 2 (c1, a1) | 2 (c8, a8) |
Sécurité du roi
| ♔ Blancs | ♚ Noirs | |
| Statut | ● Roqué | ● Roqué |
| Droits de roque | — | — |
Thèmes
| ♔ Blancs | ♚ Noirs | |
| Phase | Ouverture | |
| Centre | semi-ouvert | |
| Ruptures | ● d4-d5, ● e3-e4 | ● …e6-e5 |
| Partie |
|---|
| 1970 IBM – Round 6 – Gligoric, Svetozar – 0-1 – Polugaevsky, Lev – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Na4 cxd4 |
| 1970 Palma de Mallorca Interzonal – Round 17 – Gligoric, Svetozar – 1/2-1/2 – Polugaevsky, Lev – G94 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Bd3 cxd4 |
| 1970 Palma de Mallorca Interzonal – Round 17 – Taimanov, Mark – 0-1 – Mecking, Henrique – G92 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Bd3 cxd4 |
| 1970 Palma de Mallorca Interzonal – Round 5 – Portisch, Lajos – 0-1 – Polugaevsky, Lev – G103 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Qd3 a6 |
| 1970 Vinkovci – Round 1 – Taimanov, Mark – 1-0 – Parma, Bruno – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 d5 6. Be2 6. ... O-O 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Bd3 cxd4 |
| 1970 Vinkovci – Round 3 – Taimanov, Mark – 1-0 – Parma, Bruno – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Bd3 cxd4 |
| 1971 Hoogovens – Round 12 – Gligoric, Svetozar – 1/2-1/2 – Langeweg, Kick – G72 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Bd3 cxd4 |
| 1971 Moscow – Round 13 – Byrne, Robert – 1/2-1/2 – Parma, Bruno – G74 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Bd3 cxd4 |
| 1971 Moscow – Round 6 – Tukmakov, Vladimir B – 1/2-1/2 – Gheorghiu, Florin – G75 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Bd3 cxd4 |
| 1972 Skopje ol (Men) fin-A – Round 7 – Bisguier, Arthur Bernard – 1/2-1/2 – Medina-Garcia, Antonio – G91 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Bb4 5. e3 c5 6. Bd3 O-O 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Bd3 cxd4 |
| 41. Olympiad Open 2014 – Round 6.4 – Kotsur, Pavel – 0-1 – Bruzon Batista, Lazaro – G441 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Bd3 h6 |
| Madrid 1973 – Round 15 – Portisch, Lajos – 1/2-1/2 – Furman, Slavomir – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Qd3 a6 |
| Moskou ch-URS 1973 – Round 1 – Korchnoi, Viktor – 1/2-1/2 – Polugaevsky, Lev – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Qd3 a6 |
| Moskou ch-URS 1973 – Round 1 – Taimanov, Mark E – 1/2-1/2 – Karpov, Anatoly – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Ba2 a6 |
| World Blitz 2016 – Round 3.34 – Firouzja, Alireza – 1/2-1/2 – Nguyen, Ngoc Truong Son – G122 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nc6 9. a3 Ba5 10. Ne2 cxd4 |
| World Blitz 2023 – Round 19.18 – Saini Vidit – 0-1 – Daneshvar, Bardiya – G1072 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 dxc4 7. Bxc4 c5 8. O-O Nc6 9. a3 Ba5 10. h3 a6 |
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E56 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 - Nimzo-Indian [+0.36], E56i - 8.a3 dxc4 9.Bxc4 - Main Line [+0.17], SÉRIE E
1970 IBM – Round 6 – Gligoric, Svetozar – 0-1 – Polugaevsky, Lev – G55
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E56 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 - Nimzo-Indian [+0.36], E56i - 8.a3 dxc4 9.Bxc4 - Main Line [+0.17], SÉRIE E
1970 Palma de Mallorca Interzonal – Round 17 – Gligoric, Svetozar – 1/2-1/2 – Polugaevsky, Lev – G94
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E56 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 - Nimzo-Indian [+0.36], E56i - 8.a3 dxc4 9.Bxc4 - Main Line [+0.17], SÉRIE E
1970 Palma de Mallorca Interzonal – Round 17 – Taimanov, Mark – 0-1 – Mecking, Henrique – G92
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E56 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 - Nimzo-Indian [+0.36], E56i - 8.a3 dxc4 9.Bxc4 - Main Line [+0.17], SÉRIE E
1970 Palma de Mallorca Interzonal – Round 5 – Portisch, Lajos – 0-1 – Polugaevsky, Lev – G103
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E56 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 - Nimzo-Indian [+0.36], E56i - 8.a3 dxc4 9.Bxc4 - Main Line [+0.17], SÉRIE E
1971 Hoogovens – Round 12 – Gligoric, Svetozar – 1/2-1/2 – Langeweg, Kick – G72
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-
- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E56 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 - Nimzo-Indian [+0.36], E56i - 8.a3 dxc4 9.Bxc4 - Main Line [+0.17], SÉRIE E
1971 Moscow – Round 6 – Tukmakov, Vladimir B – 1/2-1/2 – Gheorghiu, Florin – G75
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-
- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E56 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 - Nimzo-Indian [+0.36], E56i - 8.a3 dxc4 9.Bxc4 - Main Line [+0.17], SÉRIE E
1972 Skopje ol (Men) fin-A – Round 7 – Bisguier, Arthur Bernard – 1/2-1/2 – Medina-Garcia, Antonio – G91
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-
- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E56 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 - Nimzo-Indian [+0.36], E56i - 8.a3 dxc4 9.Bxc4 - Main Line [+0.17], SÉRIE E
41. Olympiad Open 2014 – Round 6.4 – Kotsur, Pavel – 0-1 – Bruzon Batista, Lazaro – G441
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