E33b — Nimzo-Indian: Classical, 4…Nc6 5.Nf3
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 5.Nf3 * ● Trait aux Noirs
Ouverture — Centre mobile
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Plans. Bd2 (Fou actif (mobilité 5), Développer c1 — 33 % des parties) ; a3 (Préparer expansion aile dame — 29 % des parties) ; Bg5 (Fou actif (mobilité 7), Développer c1 — 19 % des parties) ; e3 (Libérer Bf1, préparer Bd3 — 9 % des parties).
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Plans. ...d6 (Libérer Bc8 — 67 % des parties) ; ...O-O (Mettre le roi en sécurité, connecter les tours — 13 % des parties) ; ...d5 (Occuper le centre — 13 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | — |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | — | ● d7→e6, f7→e6 |
| Passés | — | — |
| Majorité | — | — |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● e4 (2v1), ● b5 (2v0), ● e5 (2v1), ● g5 (2v0) | — |
| Cases faibles | — | — |
| Centre | ● e4 (2v1), ● e5 (2v1) | — |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 5) | |
| Bf1 | ● Bf1 Non développé (mob. 0) | |
| Bb4 | ● Bb4 Actif (mob. 7) | |
| Bc8 | ● Bc8 Non développé (mob. 0) | |
| Paire de fous | ● Oui | ● Oui |
| Clouages | ● knight c3 | — |
| Non développées | 4 (● c1, ● f1, ● a1, ● h1) | 3 (● c8, ● a8, ● h8) |
Sécurité du roi
| ♔ Blancs | ♚ Noirs | |
| Statut | ● Au centre | ● Au centre |
| Droits de roque | O-O / O-O-O | O-O / O-O-O |
Thèmes
| ♔ Blancs | ♚ Noirs | |
| Phase | Ouverture | |
| Centre | mobile | |
| Ruptures | ● d4-d5 | ● …d7-d5, ● …e6-e5 |
├── E33d - 5…d6 - Classical Variation, Milner-Barry Variation (1936) [+0.47] · 194 parties (dont 44 ici)
│ └── E33f - 6.Bd2 - Classical, Milner-Barry (Zurich) (1932) [+0.54] · 69 parties (dont 35 ici)
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E33 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 - Nimzo-Indian Defense: Classical Variation, Zurich Variation (1931), E33b - 5.Nf3 - Classical (1932), SÉRIE E
1934 Leningrad ch-URS – Round 1 – Belavenets, Sergey – 1-0 – Ragozin, Viacheslav – G66
- Lire la suite
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E33 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 - Nimzo-Indian Defense: Classical Variation, Zurich Variation (1931), E33b - 5.Nf3 - Classical (1932), SÉRIE E
1935 Lodz IT – Round 4 – Winter, William – 1-0 – Tartakower, Savielly – G5
- Lire la suite
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E33 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 - Nimzo-Indian Defense: Classical Variation, Zurich Variation (1931), E33b - 5.Nf3 - Classical (1932), SÉRIE E
1936 Bad Nauheim – Round 5 – Van den Bosch, Johannes – 0-1 – Stahlberg, Gideon – G22
- Lire la suite
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E33 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 - Nimzo-Indian Defense: Classical Variation, Zurich Variation (1931), E33b - 5.Nf3 - Classical (1932), SÉRIE E
1936 Moskou – Round 1 – Ragozin, Viacheslav – 1/2-1/2 – Riumin, Nikolai – G13
- Lire la suite
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E33 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 - Nimzo-Indian Defense: Classical Variation, Zurich Variation (1931), E33b - 5.Nf3 - Classical (1932), SÉRIE E
1936 Muenchen ol – Round 1 – Gibaud, Amedee – 0-1 – Frydman, Paulino – G4
- Lire la suite
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E33 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 - Nimzo-Indian Defense: Classical Variation, Zurich Variation (1931), E33b - 5.Nf3 - Classical (1932), SÉRIE E
1937 Tbilisi ch-URS – Round 1 – Levenfish, Grigory – 1/2-1/2 – Konstantinopolsky, Alexander – G54
- Lire la suite
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E33 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 - Nimzo-Indian Defense: Classical Variation, Zurich Variation (1931), E33b - 5.Nf3 - Classical (1932), SÉRIE E
1938 Leningrad – Round 1 – Kotov Lundqvist, Alex – 1/2-1/2 – Chekhover, Vitaly – G8
- Lire la suite
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E33 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 - Nimzo-Indian Defense: Classical Variation, Zurich Variation (1931), E33b - 5.Nf3 - Classical (1932), SÉRIE E
1938 Montevideo – Round 7 – Balparda, Julio – 0-1 – Fenoglio, Virgilio – G47
- Lire la suite
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E33 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 - Nimzo-Indian Defense: Classical Variation, Zurich Variation (1931), E33b - 5.Nf3 - Classical (1932), SÉRIE E
1938 Trade Unions – Round 12 – Vasiliev, Viktor A – 1/2-1/2 – Chekhover, Vitaly – G93
- Lire la suite
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E33 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 - Nimzo-Indian Defense: Classical Variation, Zurich Variation (1931), E33b - 5.Nf3 - Classical (1932), SÉRIE E
1938 Trade Unions – Round 17 – Kotov, Alexander. – 1/2-1/2 – Chekhover, Vitaly – G136
- Lire la suite













Kasparov, Garry — 1 partie
Kramnik, Vladimir — 1 partie
Carlsen, Magnus — 1 partie
Ju, Wenjun — 1 partie
Ding, Liren — 1 partie
Gukesh D — 1 partie
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1950 — Bosch van Rosenthal, Edzard vs Panagopoulos, Takis — 1-0 — Dubrovnik olm
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1989 — Soffer, Ram vs Gruenfeld, Yehuda — 1/2-1/2 — Tel Aviv ISR
1992 — Sjoberg, Mats vs Kinnmark, Ove — 1-0 — Sweden
1993 — Stimpel, Franz vs Eichhorst, Helmut — 1-0 — Wiesbaden op