Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | — |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | ● c4→d5 | ● f7→g6, h7→g6 |
| Passés | — | — |
| Majorité | — | — |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● g5 (2v0) | — |
| Cases faibles | — | ● d5 |
| Centre | ● d4 (2v1), ● d5 (2v1), ● e5 (1v0) | ● e4 (1v0) |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 5) | |
| Bf1 | ● Bf1 Non développé (mob. 0) | |
| Bc8 | ● Bc8 Non développé (mob. 0) | |
| Bf8 | ● Bf8 Non développé (mob. 2) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 5 (● b1, ● c1, ● f1, ● a1, ● h1) | 5 (● b8, ● c8, ● f8, ● 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 | ● d5-d6 | ● …e7-e6 |
A31e — English: Symmetrical, Two Knights, 3…g6
1.c4 c5 2.Nf3 Nf6 3.d4 g6 4.d5 * ● Trait aux Noirs
Ouverture — Centre mobile
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Plans. Nc3 (Développer b1 — 70 % des parties) ; g3 (Préparer le fianchetto — 15 % des parties).
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Plans. ...Bg7 (Fianchetto, fou sur la grande diagonale — 38 % des parties) ; ...d6 (Libérer Bc8 — 37 % des parties) ; ...e6 (Rupture — 13 % des parties) ; ...b5 (Expansion aile dame — 11 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
| Partie |
|---|
| 1941 Brno zupni sjezd – Round 1 – Koska, Jiri – 1-0 – Hromadka, Karel – G1 1. d4 Nf6 2. Nf3 c5 3. d5 g6 4. c4 Bg7 5. Nc3 d6 6. e4 a6 7. h3 O-O 8. Bd3 e6 9. O-O exd5 10. exd5 Re8 |
| 1952 Helsinki olm – Round 1 – Reshevsky, Samuel – 1-0 – Czerniak, Magdalena – G43 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. d5 Bg7 5. g3 O-O 6. Bg2 d6 7. O-O e6 8. dxe6 Bxe6 9. Ng5 Nc6 10. Nxe6 fxe6 |
| 1963 UKR Ch – Round 12 – Lazarev, Efim M. – 1-0 – Berezhnoy, Viktor – G80 1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. d5 e6 5. Nc3 exd5 6. cxd5 Bg7 7. d6 O-O 8. Bg5 h6 9. Bh4 Nc6 10. e3 Qa5 |
| 1967 Hastings6768 – Round 1 – Whiteley, Andrew Jonathan – 1/2-1/2 – Kaplan, Julio – G1 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nf3 d6 5. g3 Bg7 6. Bg2 O-O 7. O-O Na6 8. Nc3 Nc7 9. Nd2 Rb8 10. a4 b6 |
| 1968 Churchill Memorial Open 16th – Round 1 – Doda, Zbigniew – 1-0 – Burton, Graham P – G2 1. Nf3 Nf6 2. d4 g6 3. c4 c5 4. d5 d6 5. Nc3 Bg7 6. e4 e6 7. dxe6 fxe6 8. e5 dxe5 9. Qxd8+ Kxd8 10. Nxe5 Ke7 |
| 1969 Raach zt – Round ? – Ivkov, Borislav – 1-0 – Hartoch, Robert G – G185 1. c4 Nf6 2. Nf3 g6 3. d4 c5 4. d5 d6 5. g3 Bg7 6. Bg2 O-O 7. O-O Na6 8. Nc3 Nc7 9. a4 Rb8 10. e4 Bg4 |
| World Blitz 2019 – Round 1.10 – Socko, Bartosz – 1/2-1/2 – Giri, Anish – G2 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nf3 Bg7 5. g3 b5 6. cxb5 a6 7. bxa6 d6 8. Nc3 Nbd7 9. Bg2 Nb6 10. O-O O-O |
1961 — Sokolov, Vladimir vs Mihaljcisin, Mihajlo — 0-1 — Zagreb CRO
1969 — Sapi, Laszlo vs Filep, Tibor — 1/2-1/2 — Budapest ch-HUN
1970 — Doda, Zbigniew vs Witkowski, Stefan — 0-1 — Poland
1970 — Torre, Eugenio vs Thomsen, Torbjorn — 0-1 — ?
1959 — Faleg, Alberto vs Wexler, Bernardo — 1-0 — Buenos Aires ARG
1960 — Merlo, Carlos vs Schweber, Samuel — 0-1 — Buenos Aires ch-ARG
1964 — Krogius, Nikolai V vs Kotkov, Yuri M — 0-1 — Kirov
1964 — Lengyel, Levente vs Kavalek, Lubomir — 1-0 — Tel Aviv olm
1953 — Shamkovich, Leonid vs Rozenfeld, Isai — 1-0 — Leningrad RUS
1955 — Shestoperov, Aleksej vs Kots, Yuri I — 0-1 — Moscow RUS
1957 — Ribera Arnal, Angel vs Moran, Pablo — 1-0 — Zaragoza
1959 — Prucha, Karel vs Parak, Frantisek — 1/2-1/2 — Trebic
1963 — Lazarev, Efim M. vs Berezhnoy, Viktor — 1-0 — Kiev UKR
1966 — Ussakovsky vs Kalatskiy, Milon — 1-0 — Moscow RUS
1966 — Malich, Burkhard, Dr. vs Piscitelli, Antoine — 1-0 — La Habana olm prel
1966 — Pietzsch, Wolfgang vs Cappello, Giovanni — 1-0 — Havana olm