A43c — Old Benoni: 2.c3
1.d4 c5 2.c3 * ● Trait aux Noirs
Ouverture — Centre mobile
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Plans. Nf3 (Développer g1 — 57 % des parties) ; Bf4 (Fou actif (mobilité 10), Développer c1 — 8 % des parties) ; e4 (Occuper le centre — 6 % des parties).
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Plans. ...e6 (Poussée — 32 % des parties) ; ...Nf6 (Développer g8 — 25 % des parties) ; ...cxd4 (Capture en d4, Occuper le centre — 20 % des parties) ; ...d5 (Occuper le centre — 11 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | — |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | ● b2→c3, c3→d4 | — |
| Passés | — | — |
| Majorité | — | — |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | — | — |
| Cases faibles | — | — |
| Centre | ● d4 (2v1), ● e5 (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. 0) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 6 (● b1, ● g1, ● c1, ● f1, ● a1, ● h1) | 6 (● b8, ● g8, ● 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 | — | ● …e7-e5 |
| Partie |
|---|
| 1949 OWL Ch – Round 3 – Skema Leo – 0-1 – Werner, Stephan – G3 1. d4 c5 2. c3 cxd4 3. cxd4 g6 4. Nf3 Bg7 5. e3 Nf6 6. Bc4 0-1 |
| 1959 AUS Ch – Round 8.16 – Foster, Paul – 1-0 – Crowl, Frank Arthur – G25 1. d4 c5 2. c3 Na6 3. e3 b6 4. f4 Bb7 5. Nf3 Nc7 6. Bd3 Nf6 7. Nbd2 g6 8. O-O Bg7 9. e4 cxd4 10. Nxd4 O-O |
| 1959 Clare Benedict Cup 06th – Round 4.3 – Cortlever, Nico – 1/2-1/2 – Bhend, Edwin – G29 1. d4 c5 2. c3 b6 3. e4 Bb7 4. Nd2 cxd4 5. cxd4 g6 6. Ngf3 Bg7 7. b3 Nf6 8. Bd3 Nc6 9. Bb2 Nb4 10. Bb1 Ba6 |
| 1959 Krakow POL – Round 1 – Tarnowski, Alfred – 0-1 – Korchnoi, Viktor – G1 1. d4 c5 2. c3 e6 3. g3 Nf6 4. Bg2 d5 5. Nh3 Nc6 6. O-O Be7 7. Bg5 cxd4 8. cxd4 Qb6 9. e3 Qxb2 10. Nd2 Qb6 |
| 1965 Titograd – Round 16 – Rajkovic, Dalibor – 0-1 – Velimirovic, Dragoljub – G112 1. d4 c5 2. c3 e6 3. Nf3 Nc6 4. Bg5 Be7 5. Bxe7 Qxe7 6. e3 Nf6 7. Nbd2 O-O 8. Be2 d5 9. O-O Ne4 10. Nxe4 dxe4 |
| 1966 Reggio Emilia 6667 09th – Round 6 – Mondaini, Giulio Cesare – 0-1 – Ciric, Dragoljub M – G19 1. d4 c5 2. c3 Qc7 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. Qb3 d6 8. dxc5 Qxc5 9. Ng5 Qc7 10. Na3 h6 |
| 1967 POL Ch 24th – Round 9 – Sliwinski, Henryk – 1/2-1/2 – Pietrusiak, Bogdan – G17 1. d4 c5 2. c3 Qc7 3. Nf3 Nf6 4. Ne5 g6 5. Bf4 d6 6. Nf3 Bg7 7. e3 Nc6 8. h3 b6 9. Be2 Bb7 10. O-O O-O |
| 1967 POL Team Ch 20th – Round 1 – Sliwinski, Henryk – 1/2-1/2 – Drozd, Ryszard – G2 1. d4 c5 2. c3 b6 3. Bf4 Bb7 4. e3 g6 5. Nf3 Bg7 6. Be2 Nf6 7. h3 O-O 8. O-O d6 9. a4 Nc6 10. Nbd2 Rc8 |
| 1967 Szczecin ch POL – Round 13 – Sliwinski, Henryk – 1/2-1/2 – Balcerowski, Witold – G59 1. d4 c5 2. c3 Qc7 3. e4 e6 4. Nf3 Nf6 5. Bd3 b6 6. O-O Ba6 7. Re1 Bxd3 8. Qxd3 d5 9. exd5 Nxd5 10. dxc5 Qxc5 |
| 1967 Szczecin ch POL – Round 9 – Sliwinski, Henryk – 1/2-1/2 – Pietrusiak, Bogdan – G42 1. d4 c5 2. c3 Qc7 3. Nf3 g6 4. Ne5 d6 5. Bf4 Bg7 6. Nf3 Nf6 7. e3 O-O 8. h3 b6 9. Be2 Bb7 10. O-O Nc6 |
| 1968 Chacabuco – Round 1 – Guimard, Carlos E – 1-0 – Pelikán, Jiří – G1 1. d4 c5 2. c3 Qc7 3. Nf3 Nf6 4. Bg5 Ne4 5. Bh4 cxd4 6. Qxd4 Nc5 7. Nbd2 d6 8. e4 Nc6 9. Qe3 g6 10. Be2 Bg7 |
1958 — Tipary, Lajos vs Kluger, Gyula — 1-0 — Budapest HUN
1959 — Tarnowski, Alfred vs Korchnoi, Viktor — 0-1 — Krakow POL
1961 — Borodkina, Agnia vs Voitsikh Nina — 1/2-1/2 — ?
1965 — Stadler, Tereza vs Krizsan-Bilek, Gyulane — 0-1 — Belgrade SRB
1953 — Balunos, Reynaldo vs Tal, Mikhail — 1/2-1/2 — Riga LAT
1959 — Troger, Emma vs Schmid, Leo — 1-0 — Norimberga ch
1961 — Tarnowski, Alfred vs Haag, Ervin — 0-1 — Debrecen HUN
1964 — Thill, Francis vs Nilsson, Zandor — 0-1 — Tel Aviv ISR
1952 — Mondaini, Giulio Cesare vs Castaldi, Vincenzo — 0-1 — Ferrara
1958 — Adail Gondim Jose vs Mendes, Silvio Luiz Teixeira — 0-1 — ?
1961 — Delander, Adolf vs Pfleger, Helmut, Dr. — 0-1 — Hitzacker
1962 — Opocensky, Karel vs Kavalek, Lubomir — 0-1 — Jablonec
1962 — Trifunovic, Petar vs Ivkov, Borislav — 1/2-1/2 — Sarajevo BIH
1962 — Hultgren, Neil vs Syvertsen, Ralph — 0-1 — ?
1963 — Kasperowski, Hilde vs Nuenchert, Eveline — 1/2-1/2 — Split CRO
1967 — Krylov, Pavel vs Nemec, Tadeus — 0-1 — Stary Smokovec SVK