Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | — |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | — | — |
| Passés | — | — |
| Majorité | — | — |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● e5 (2v1), ● g5 (2v0) | ● b4 (2v0), ● d4 (2v1) |
| Cases faibles | — | — |
| Centre | ● e5 (2v1) | ● d4 (2v1) |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 0) | |
| 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 | 5 (● b1, ● c1, ● f1, ● a1, ● h1) | 5 (● 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 | ● d2-d4 | ● …e7-e5 |
A02o — Bird: 1..c5 2.Nf3 Nc6
1.f4 c5 2.Nf3 Nc6 * ○ Trait aux Blancs
Ouverture — Centre mobile
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Plans. g3 (Préparer le fianchetto — 34 % des parties) ; e3 (Libérer Bf1, préparer Bd3 — 30 % des parties) ; b3 (Préparer le fianchetto — 16 % des parties) ; e4 (Occuper le centre — 12 % des parties) ; d3 (Libérer Bf1, préparer Bd3 — 5 % des parties).
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Plans. ...g6 (Préparer le fianchetto — 52 % des parties) ; ...Nf6 (Développer g8 — 18 % des parties) ; ...d5 (Occuper le centre — 14 % des parties) ; ...d6 (Libérer Bc8 — 8 % des parties) ; ...e6 (Solidifier le centre, libérer le fou — 7 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
| Partie |
|---|
| 1903 RUS-ch03 – Round 4 – Yurevich, V. – 0-1 – Bernstein, Olivia – G15 1. f4 c5 2. Nf3 Nc6 3. b3 d5 4. e3 Nf6 5. Bb2 e6 6. a3 Bd6 7. Bd3 Bd7 8. Nc3 a6 9. Ne2 Qc7 10. Ng3 e5 |
| 1951 YUG Ch 7th – Round 8 – Tot, Bora – 1/2-1/2 – Bajec, Ivo – G67 1. f4 c5 2. Nf3 Nc6 3. e3 g6 4. Be2 Bg7 5. O-O d5 6. d3 Nh6 7. e4 dxe4 8. dxe4 Qxd1 9. Bxd1 Nd4 10. c3 Nxf3+ |
| 1953 CSR Ch Prague – Round 14 – Stulik, Vlastimil – 1/2-1/2 – Sajtar, Jaroslav – G88 1. f4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O e6 6. d3 Nge7 7. e4 O-O 8. c3 d6 9. Be3 Bd7 10. g4 b6 |
| 1954 CSR Ch – Round 1.4 – Alster, Ladislav – 1/2-1/2 – Sajtar, Jaroslav – G6 1. f4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O d5 6. d3 Nf6 7. Nc3 d4 8. Ne4 Nxe4 9. dxe4 O-O 10. e5 Be6 |
| 1955 Ljubljana – Round 13 – Milic, Borislav – 1/2-1/2 – Bertok, Mario Jr. – G113 1. f4 c5 2. Nf3 Nc6 3. e3 g6 4. d4 d5 5. c3 Bg7 6. Bd3 Qd6 7. O-O Nh6 8. a4 c4 9. Bc2 Bf5 10. b4 a6 |
| 1958 YUG Ch sf – Round 8 – Rodic, Ivana – 1/2-1/2 – Bradvarevic, Aleksandar – G25 1. f4 c5 2. Nf3 Nc6 3. e3 g6 4. Be2 Bg7 5. d3 d5 6. O-O Nf6 7. Qe1 O-O 8. Qh4 Qc7 9. Nc3 d4 10. Ne4 Nd5 |
| 1959 Buenos Aires – Round 12 – Pelikán, Jiří – 1-0 – Emma, Jaime – G32 1. f4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O e6 6. d3 Nge7 7. e4 O-O 8. Nc3 Rb8 9. Qe1 b5 10. Be3 Nd4 |
| 1959 Hoogovens – Round 1 – Larsen, Benjamin Holsko – 1/2-1/2 – Donner, H. – G22 1. f4 c5 2. Nf3 Nc6 3. g3 d5 4. Bg2 e6 5. O-O f5 6. c4 Nf6 7. Ne5 Bd6 8. Nxc6 bxc6 9. Nc3 O-O 10. b3 Qa5 |
| 1960 Ljubljana – Round 17 – Smederevac, Petar – 1/2-1/2 – ? – G113 1. f4 c5 2. Nf3 Nc6 3. e3 g6 4. Bb5 Bg7 5. O-O Nf6 6. d3 O-O 7. Bxc6 bxc6 8. c4 d6 9. Nc3 Rb8 10. Qc2 Nd7 |
| 1963 Bath ch-BCF – Round 6 – Littlewood, Norman – 1-0 – Clarke, Paul R H – G55 1. f4 c5 2. Nf3 Nc6 3. e3 g6 4. Bb5 Bg7 5. O-O Nf6 6. d3 O-O 7. Nbd2 Qc7 8. Ne4 Nxe4 9. dxe4 a6 10. Bxc6 Qxc6 |
| 1964 Amsterdam Interzonal – Round 10 – Berger, Benedikt – 0-1 – Tringov, Georgi P – G102 1. f4 c5 2. Nf3 Nc6 3. g3 d5 4. Bg2 g6 5. O-O Bg7 6. d3 Nf6 7. Nc3 O-O 8. Ne5 Nxe5 9. fxe5 Ng4 10. Nxd5 Bxe5 |
| 1968 Lasker Memorial – Round 1 – Zaitsev, Alexander – 1-0 – Csom, Istvan – G29 1. f4 c5 2. Nf3 Nc6 3. e3 g6 4. Bb5 Bg7 5. O-O Nf6 6. b3 O-O 7. Bb2 d6 8. Bxc6 bxc6 9. d3 Ba6 10. Nbd2 Qa5 |
| 1969 Schwerin – Round 5 – Liebert, Heinz – 1/2-1/2 – Schoeneberg, Manfred – G52 1. f4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O Nf6 6. d3 d5 7. Nc3 O-O 8. e4 dxe4 9. dxe4 Bg4 10. e5 Nd7 |
| World Blitz 2019 – Round 1.58 – Tsoi, Dmitry – 0-1 – Motylev, Alexander – G51 1. f4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 e6 6. O-O Nge7 7. c3 d5 8. d3 O-O 9. Be3 b6 10. e5 Ba6 |
| World Blitz 2019 – Round 4.76 – Tsoi, Dmitry – 1-0 – Guseinov, Gadir – G296 1. f4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. c3 d6 6. O-O Nf6 7. d3 O-O 8. e4 c4 9. Be3 Ng4 10. Bf2 Nxf2 |













1955 — Milic, Borislav vs Bertok, Mario Jr. — 1/2-1/2 — Ljubljana
1958 — Rodic, Ivana vs Bradvarevic, Aleksandar — 1/2-1/2 — Tuzla
1958 — Dreyer, Kurt vs Böök, Eero — 1/2-1/2 — Munich GER
1959 — Keto, Hannu vs Filipowicz, Andrzej — 0-1 — Budapest HUN
1953 — Stulik, Vlastimil vs Sajtar, Jaroslav — 1/2-1/2 — Prague CZE
1954 — Alster, Ladislav vs Sajtar, Jaroslav — 1/2-1/2 — Prague CZE
1959 — Pelikán, Jiří vs Emma, Jaime — 1-0 — Buenos Aires ARG
1959 — Larsen, Bent Ravn vs Donner, Jan-Hein — 1/2-1/2 — Beverwijk NED
1964 — Christensen, Alfred vs Baretic, Zvonimir — 1/2-1/2 — Bad Kuehlungsborn
1965 — Durst, Uwe vs Ahls — 1-0 — Mannheim GER
1968 — Sammul, Mari vs Muslimova, Aida — 1/2-1/2 — Riga LAT
1970 — Jakobsen, Ole vs Gelfer, Israel — 0-1 — Siegen olm
1964 — Dreyer, Kurt vs Conrady, Alphonse — 1-0 — Tel Aviv olm
1969 — Serwinski, Benedykt vs Bednarski, Jacek — 0-1 — Lublin POL
1973 — Just, Gabriele, Dr. vs Feibert, Petra — 0-1 — Erfurt GER
1973 — Just, Gabriele, Dr. vs Lehmann, Christina — 0-1 — Erfurt GER