Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | ● c4, ● c7 |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | ● f2→g3, h2→g3 | ● f7→e6 |
| Passés | — | — |
| Majorité | — | ● aile dame 4v2 |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● f4 (2v0), ● e5 (2v1), ● g5 (2v0) | ● d5 (2v0) |
| Cases faibles | — | — |
| Centre | ● d4 (1v0), ● e5 (2v1) | ● d5 (2v0), ● e4 (1v0) |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs | |
| Semi-ouvertes | ● c | ● d |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 5) | |
| Bg2 | ● Bg2 Ok (mob. 2) | |
| Bc8 | ● Bc8 Non développé (mob. 0) | |
| Bf8 | ● Bf8 Non développé (mob. 5) | |
| Paire de fous | ● Oui | ● Oui |
| Clouages | — | ● knight d7 |
| Non développées | 4 (● b1, ● c1, ● a1, ● h1) | 4 (● 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 | ● d4-d5 | ● …c4-c3, ● …c7-c5, ● …e6-e5 |
E02e — Open
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Nf3 ● Trait aux Noirs
Ouverture — Centre mobile
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Plans. Qxc4 (Centraliser la dame — 56 % des parties) ; Nc3 (Développer b1 — 27 % des parties) ; O-O (Mettre le roi en sécurité, connecter les tours — 13 % des parties).
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Plans. ...a6 (Préparer expansion aile dame — 80 % des parties) ; ...c5 (Frapper le centre adverse — 11 % des parties) ; ...Be7 (Fou actif (mobilité 5), Développer f8 — 7 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
| Partie |
|---|
| 1937 Trebitsch mem3738 – Round 5 – Becker, Albert – 0-1 – Podhorzer, David – G19 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nf3 Be7 7. O-O O-O 8. Qxc4 c5 9. dxc5 Nxc5 10. b4 Na4 |
| 1942 Duras 60 Memorial – Round 10 – Opocensky, Karel – 1-0 – Rejfir, Josef – G9 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 c6 7. Qxc4 Bd6 8. Bf4 Qc7 9. Bxd6 Qxd6 10. Nc3 O-O |
| 1942 Duras 60 Memorial – Round 6 – Kottnauer, Cenek – 0-1 – Rejfir, Josef – G5 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Bg2 c6 7. Qxc4 Bd6 8. O-O O-O 9. Nc3 Qe7 10. Bg5 h6 |
| 1947 Hanau – Round ? – Strazdins, Arkadij – 0-1 – Zemgalis, Elmars – G19 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nf3 c5 7. O-O a6 8. Nc3 Be7 9. Rd1 O-O 10. dxc5 Bxc5 |
| 1947 Hilversum zt – Round 8 – Szabo, Ladislav – 1/2-1/2 – Castaldi, Vincenzo – G22 1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 c5 7. O-O a6 8. Nc3 cxd4 9. Nxd4 Qc7 10. Ndb5 Qb8 |
| 1952 Saltsjobaden Interzonal – Round 9 – Eliskases, Erich – 1-0 – Prins, Laura – G80 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nf3 dxc4 6. Qa4 Be7 7. Qxc4 O-O 8. O-O Rb8 9. Nc3 a6 10. a4 Nb6 |
| 1955 URS Ch sf – Round 1 – Geller, Efim P – 1/2-1/2 – Byvshev, Vasily – G15 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nf3 c6 7. Qxc4 Bd6 8. O-O O-O 9. Nbd2 e5 10. Qc2 exd4 |
| 1957 URS Ch sf – Round 18 – Antoshin, Vladimir S – 1/2-1/2 – Poliak, Abram – G16 1. c4 e6 2. d4 d5 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Nbd7 6. Qa4 Be7 7. O-O O-O 8. Qxc4 a6 9. Qc2 Rb8 10. Nbd2 b6 |
| 1960 Leipzig olm fin-A – Round 7 – Bertok, Mario Jr. – 0-1 – Hort, Vlastimil – G114 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Qa4+ Nbd7 5. g3 e6 6. Bg2 c6 7. Qxc4 Bd6 8. Nc3 e5 9. O-O O-O 10. Rd1 Qe7 |
| 1964 EU Ch U20 Niemeyer 3rd – Round 1 – Kolbak, Jens – 1-0 – Hoelzl, Franz – G2 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 Be7 7. O-O O-O 8. Qxc4 a6 9. Rd1 b5 10. Qc2 Bb7 |
| 1967 URS Team Ch – Round 1 – Kapengut, Albert – 1-0 – Shmit, Anatoly – G48 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 dxc4 5. Bg2 Nbd7 6. Qa4 Bd6 7. Nbd2 O-O 8. Nxc4 Be7 9. O-O c6 10. Qc2 Nb6 |
| 1968 Bristol ch-BCF – Round 2 – Hollis, Adrian – 1/2-1/2 – Brigden, Cai – G33 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 Be7 7. O-O a6 8. Qxc4 c5 9. dxc5 Nxc5 10. b4 Nce4 |
