B20j — Sicilian: Snyder, 2…e6
1.e4 c5 2.b3 e6 * ○ Trait aux Blancs
Ouverture — Centre mobile
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Plans. Bb2 (Fianchetto, fou sur la grande diagonale — 80 % des parties) ; Nf3 (Développer g1 — 16 % des parties).
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Plans. ...Nc6 (Développer b8 — 40 % des parties) ; ...d5 (Occuper le centre — 20 % des parties) ; ...a6 (Préparer expansion aile dame — 13 % des parties) ; ...Nf6 (Développer g8 — 12 % des parties) ; ...d6 (Libérer Bc8 — 9 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | — |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | ● a2→b3, c2→b3 | ● d7→e6, f7→e6 |
| Passés | — | — |
| Majorité | — | — |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● c4 (2v0) | — |
| Cases faibles | — | — |
| Centre | — | ● d4 (1v0) |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 2) | |
| Bf1 | ● Bf1 Non développé (mob. 5) | |
| Bc8 | ● Bc8 Non développé (mob. 0) | |
| Bf8 | ● Bf8 Non développé (mob. 2) | |
| 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 | ● d2-d4 | ● …c5-c4, ● …d7-d5, ● …f7-f5 |
| Partie |
|---|
| 1903 RUS-ch03 – Round 7 – Kalinsky, N. – 1-0 – Duz-Khotimirsky, Fedor Ivanovich – G26 1. e4 c5 2. b3 e6 3. Bb2 d5 4. exd5 exd5 5. d4 Nc6 6. dxc5 d4 7. Bc4 Nf6 8. Qe2+ Be7 9. Nd2 O-O 10. O-O-O Bxc5 |
| 1939 Buenos Aires ol prel-C – Round 4 – Prins, Laura – 1-0 – Calleja Sierra, Jesus – G16 1. e4 e6 2. b3 c5 3. Bb2 Nc6 4. Nf3 Nf6 5. e5 Nd5 6. g3 b6 7. Bg2 Bb7 8. O-O f5 9. c4 Nde7 10. d4 Nxd4 |
| 1950 HUN-ch06 – Round 1 – Rethy, Pal – 0-1 – Szilagyi, Gyorgy Laszlo – G38 1. e4 c5 2. b3 e6 3. Qe2 Be7 4. Bb2 Nf6 5. e5 Nd5 6. Nc3 Nc6 7. Nf3 O-O 8. O-O-O Nxc3 9. dxc3 f6 10. Kb1 fxe5 |
| 1952 Helsinki olm – Round 1 – Prins, Laura – 1-0 – Oren, Menachem – G183 1. e4 e6 2. b3 c5 3. Bb2 d5 4. exd5 exd5 5. g3 Nf6 6. Bg2 Nc6 7. Qe2+ Be6 8. Nf3 Be7 9. d4 O-O 10. O-O Re8 |
| 1954 Pan American Ch 2nd – Round 6 – Geller, Sandor – 0-1 – Almgren, Sven – G19 1. e4 e6 2. b3 c5 3. Bb2 d5 4. e5 Nc6 5. Nf3 Nh6 6. Na3 Bd7 7. c3 a6 8. Nc2 Be7 9. Ne3 O-O 10. Qc2 f6 |
| 1963 Split ol women – Round 8 – Konarkowska-Sokolov, Henrijeta – 0-1 – Keller-Hermann, Edith – G20 1. e4 c5 2. b3 e6 3. Bb2 Nc6 4. Nf3 d6 5. d4 cxd4 6. Nxd4 Nf6 7. Nxc6 bxc6 8. e5 dxe5 9. Qxd8+ Kxd8 10. Bxe5 Bb4+ |
| 1968 Belgrade (Women) 4th – Round 7 – Markovic Milinko – 0-1 – Asenova, Venka – G24 1. e4 c5 2. b3 e6 3. Bb2 d6 4. f4 Nc6 5. Bb5 Bd7 6. Nf3 a6 7. Bxc6 Bxc6 8. d3 d5 9. exd5 Bxd5 10. O-O Nh6 |
| 1969 Netanya – Round 11 – Czerniak, Moshe – 1/2-1/2 – Benko, Pal – G73 1. e4 c5 2. b3 e6 3. Bb2 Nc6 4. Nf3 d6 5. d4 cxd4 6. Nxd4 Nf6 7. Nxc6 bxc6 8. e5 Ne4 9. Bd3 Qa5+ 10. Kf1 d5 |
| Amber-rapid 15th 2006 – Round 1 – Aronian, Levon – 1-0 – Van Wely, Loek – G1 1. e4 c5 2. b3 e6 3. Bb2 d5 4. exd5 exd5 5. Bb5+ Bd7 6. Qe2+ Qe7 7. Nc3 Qxe2+ 8. Bxe2 d4 9. Nb5 Kd8 10. c3 a6 |
1952 — Prins, Lodewijk vs Oren, Menachem — 1-0 — Helsinki olm
1954 — Geller, Sandor vs Almgren, Sven — 0-1 — Los Angeles, CA USA
1961 — Orendy, Emil vs Bak, Istvan — 0-1 — Budapest HUN
1963 — Konarkowska-Sokolov, Henrijeta vs Keller-Hermann, Edith — 0-1 — Split ol women
1978 — Larry Ngumbau vs Hurdle, Robert — 0-1 — So California
1978 — Gurieli, Nino vs Tsereteli, Mzia — 1-0 — Nikolaev UKR
1980 — Kruszynski, Wlodzimierz vs Adamski, Jan — 0-1 — Rzeszow
1982 — Neubert, Gerhard vs Mann, Wallace H — 1/2-1/2 — corr DDR
1981 — Wiezer, Siegfried vs Baquet, Roland — 0-1 — corr ch-DDR
1981 — Anatol, Luke Leon Robin vs Panczyk, Krzysztof — 1/2-1/2 — Warsaw Cup Warsaw POL
1982 — Boguszlavszkij, Jevgenyij vs Kriz, Miroslav — 0-1 — Olomouc CZE
1982 — Wiezer, Siegfried vs Joerges, Eberhard — 1-0 — ?
1999 — Minge, Bob vs Sobirey, Michael — 0-1 — IECG
1999 — Schapotschnikov, Philipp vs Hoffmann, Nils — 1-0 — Erpfingen
2003 — Seeger, Franziska vs Lutz, Astrid — 1-0 — Willingen GER
2005 — Fernandez, Laura vs Cochet, Caroline — 1-0 — Marseille FRA