C26g — Vienna: Smyslov, 3…Bc5 4.Bg2 O-O
1.e4 e5 2.Nc3 Nf6 3.g3 Bc5 4.Bg2 O-O * ○ Trait aux Blancs
Ouverture — Centre fermé
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
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Plans. Nge2 (Développer g1 — 65 % des parties) ; d3 (Solidifier le centre — 23 % des parties) ; Nf3 (Développer g1 — 8 % des parties).
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
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Plans. ...Nc6 (Développer b8 — 35 % des parties) ; ...c6 (Renforcer le centre — 27 % des parties) ; ...d6 (Libérer Bc8 — 14 % des parties) ; ...Re8 (12 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | — |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | ● f2→g3, h2→g3 | — |
| Passés | — | — |
| Majorité | — | — |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● d5 (2v1) | ● d4 (2v0) |
| Cases faibles | — | — |
| Centre | ● d5 (2v1), ● e4 (2v1) | ● d4 (2v0) |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 0) | |
| Bg2 | ● Bg2 Ok (mob. 3) | |
| Bc5 | ● Bc5 Actif (mob. 8) | |
| Bc8 | ● Bc8 Non développé (mob. 0) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 4 (● g1, ● c1, ● a1, ● h1) | 3 (● b8, ● c8, ● a8) |
Sécurité du roi
| ♔ Blancs | ♚ Noirs | |
| Statut | ● Au centre | ● Roqué |
| Droits de roque | O-O / O-O-O | — |
Thèmes
| ♔ Blancs | ♚ Noirs | |
| Phase | Ouverture | |
| Centre | fermé | |
| Ruptures | ● d2-d4, ● f2-f4 | ● …d7-d5 |
| Partie |
|---|
| 1961 Torremolinos – Round 3 – Portisch, Lajos – 1/2-1/2 – Domingo Toran, Vicente – G14 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 O-O 5. d3 Re8 6. Nge2 c6 7. O-O d5 8. exd5 Nxd5 9. Kh1 Bg4 10. h3 Be6 |
| 1969 JUG-URS – Round 1 – Kholmov, Ratmir D – 0-1 – Kurajica, Bojan – G9 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 O-O 5. Nge2 Nc6 6. O-O a6 7. h3 Nd4 8. Kh2 b5 9. d3 Bb7 10. f4 Nxe2 |
| 1969 Vrsac – Round 12 – Rossolimo, Nicolas – 1-0 – Baretic, Dragoljub – G76 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 O-O 5. Nge2 c6 6. O-O d6 7. d4 exd4 8. Nxd4 Bg4 9. f3 Bc8 10. Kh1 Re8 |
| 2026 Norway Chess Open - Round 2 - So, Wesley - 1-0 - Gukesh D - G10 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 O-O 5. Nge2 c6 6. O-O d5 7. exd5 cxd5 8. d4 exd4 9. Nxd4 Bg4 10. Nde2 Nc6 |
| 6. Zurich Opening Blitz 2017 – Round 1.3 – Oparin, Grigoriy – 1/2-1/2 – Anand, Viswanathan – G3 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 O-O 5. d3 c6 6. Nf3 Re8 7. O-O d6 8. h3 a5 9. Kh2 Na6 10. d4 Bb6 |
| Biel Interzonal 1993 – Round 6 – Arencibia Rodriguez, Walter – 0-1 – Huebner, Robert – G146 1. e4 e5 2. Nc3 Bc5 3. g3 Nf6 4. Bg2 O-O 5. Nge2 Nc6 6. O-O Nd4 7. Nxd4 exd4 8. e5 dxc3 9. exf6 Qxf6 10. bxc3 Re8 |
Ju, Wenjun — 1 partie
Hou, Yifan — 1 partie
Kramnik, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Gukesh D — 1 partie
1969 — Rossolimo, Nicolas vs Baretic, Zvonimir — 1-0 — Vrsac SRB
1970 — Benko, Pal vs Oechslein, Rainer — 1/2-1/2 — Siegen GER
1971 — Berg, Svein vs Kelvin Klein — 1-0 — Netherlands tt
1976 — Monaville, Guy vs Schuermans, Robert — 0-1 — Ostend
1968 — Berry, Jonathan vs Bolduc, Jean-Pierre — 0-1 — ?
1970 — Suttles, Duncan vs Ardiansyah, Haji — 0-1 — Siegen olm
1975 — Gaprindashvili, Nona vs ? — 1-0 — Pitsunda wch-m
1975 — Blackstone, John vs Christiansen, Larry — 1/2-1/2 — So. California, CA
1973 — Miles, Anthony J vs Beliavsky, Alexander G — 1/2-1/2 — Teesside ENG
1974 — Ochoa De Echaguen, Francisco Javier vs Swanson, Stephen — 1-0 — Groningen NED
1977 — Musil, Vojko vs Jelen, Iztok — 1/2-1/2 — Maribor
1978 — Priehoda, Vitezslav vs Krisko, Dusan — 1-0 — Presov SVK
1995 — Elo, Istvan vs Deak, Laszlo — 0-1 — HUN
1996 — Kuijf, Marinus vs De Graaff, Rudolf — 1-0 — NED
1997 — Hodgson, Julian M vs James Wangari — 1-0 — Ebbw Vale simultaan
2000 — Hoang, Thi Bao Tram vs Le, Phu Nguyen Thao — 1-0 — Ha Tinh