B35g — Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 O-O 8.f3

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 O-O 8.f3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plan principal. Exploiter la case forte d4….

Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), les cases fortes d4, b5 et d5, des fous actifs en e3 et c4, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Les fous enfermés en g7 et c8.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (2 contre 1), la paire de fous et la colonne semi-ouverte c.

Côté adverse. Le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...d6 (Libérer Bc8) ; ...Na5 (Attaquer Bc4) ; ...d5 (Rupture) ; ...e6 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● g2→f3, f3→e4	● f7→g6, h7→g6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v1), ● b5 (3v0), ● d5 (3v1)	—
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (3v1), ● e4 (2v1)	● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Be3	● Be3 Actif (mob. 7)
Bc4	● Bc4 Actif (mob. 9)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn f7
Non développées	2 (● a1, ● h1)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Roqué
Droits de roque	O-O / O-O-O	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● e4-e5, ● f3-f4	● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1957 WchT U26 04th – Round 8.1 – Tumurbator, Purev – 0-1 – Benko, Pal – G102 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 O-O 8. Bc4 e6 9. Qd2 d5 10. exd5 Na5
1958 Portoroz Interzonal – Round 10 – Fischer, Robert J – 1/2-1/2 – Panno, Oscar – G96 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. f3 Qb6 9. Bb3 Nxe4 10. Nd5 Qa5+
1959 BUL Ch Sofia BUL – Round 6 – Kostov, Petko – 1/2-1/2 – Minev, Nikolay N – G19 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. f3 Na5 9. Bb3 Nxb3 10. Nxb3 d6
1960 EU-Cup Gr2 – Round 4.10 – Matikka, Heikki – 0-1 – Hecht, Hans-Joachim – G32 1. Nf3 c5 2. e4 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. f3 Qb6 9. Qd2 Nxe4 10. fxe4 Bxd4
1961 Marianske Lazne zt – Round 8 – Gragger, Anton Fritz – 1-0 – Barendregt, Johan – G57 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 O-O 8. f3 Qa5 9. Qd2 Qb4 10. Bb3 Nxd4
1961 Vrnjacka Banja ct women – Round 1 – Gresser, Gisela Kahn – 1-0 – Lane, Lisa – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. f3 Qb6 9. Bb3 Nxe4 10. Nd5 Qa5+
1961 Warsaw – Round 1 – Tolush, Alexander – 1/2-1/2 – Lengyel, Laszlo – G35 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. f3 O-O 8. Bc4 e6 9. Bb3 d5 10. exd5 Nxd5
1961 WchT U26 08th – Round 10.2 – Westerinen, Heikki M.J. – 0-1 – Baumbach, Friedrich, Dr. – G94 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. f3 Qb6 9. Bb3 Nxe4 10. Nd5 Qa5+
1961 WchT U26 08th – Round 3.3 – Tumurbator, Purev – 0-1 – Baumbach, Friedrich, Dr. – G25 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 O-O 8. Bc4 Qb6 9. O-O Ng4 10. fxg4 Bxd4
1962 Capablanca Memorial – Round 14 – Pietzsch, Wolfgang – 1/2-1/2 – Haag, Ervin – G141 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. f3 Qb6 9. Bb3 Nxe4 10. fxe4 Bxd4
1962 Capablanca Memorial – Round 6 – Cobo Arteaga, Eldis – 1/2-1/2 – De Greif, Boris – G55 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Be3 Nf6 6. Nd2 cxd4 7. Nb3 Qd8 8. Nxd4 Nc6 9. Bc4 O-O 10. f3 Qa5
1962 Varna ol (Men) qual-A – Round 2 – Nilsson, Nils-Erik – 0-1 – Geller, Efim P – G1 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. f3 O-O 8. Bc4 Qb6 9. Qd2 Nxe4 10. fxe4 Bxd4
1963 Budapest – Round 1 – Ozsvath, Andras – 0-1 – Honfi, K. – G16 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. f3 O-O 8. Bc4 Qb6 9. Bb3 Nxe4 10. Nd5 Qa5+
1963 Budapest Ch – Round ? – Ozsvath, Andras – 0-1 – Honfi, Karoly – G43 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. f3 O-O 8. Bc4 Qb6 9. Bb3 Nxe4 10. Nd5 Qa5+
1963 Buenos Aires ch-ARG – Round 6 – Kampelmacher – 0-1 – Luckis, Marcos – G40 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. f3 Qb6 9. a3 Nxe4 10. Na4 Qc7
1963 Split ol women – Round 10 – Lazarevic, Milunka – 1-0 – Loeffler, Louise – G26 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 O-O 8. Bc4 a6 9. Qd2 b5 10. Bb3 Na5
1964 Hoogovens Beverwijk NED – Round 1 – Keres, Paul Petrovich – 1/2-1/2 – Larsen, Bent – G32 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 O-O 8. Bc4 Qb6 9. a3 d6 10. Nce2 Qa5+
1964 It Detmold GER – Round 4 – Dietrich Norbert – 0-1 – Speer, Albrecht – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. f3 Qb6 9. Qd2 Nxe4 10. Nxe4 Bxd4
1964 Kiev ch-URS – Round 1 – Sakharov, Yuri G. – 1/2-1/2 – Stein, Leon Rico – G61 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. f3 O-O 8. Bc4 Qb6 9. Bb3 Ng4 10. fxg4 Bxd4
1964 Pecs – Round 13 – Czerniak, Moshe – 1/2-1/2 – Kholmov, Ratmir D – G80 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 O-O 8. Bc4 e6 9. Qd2 d5 10. exd5 exd5
1964 Tel Aviv olm prel – Round 6 – Andersen, Borge – 1-0 – Rometti, Barbatto – G235 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. f3 Qb6 9. a3 Ng4 10. fxg4 Bxd4
1965 Hastings ch-BCF – Round 5 – Mardle, Denis – 1/2-1/2 – Lees, David – G58 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. f3 Qb6 9. O-O Ng4 10. fxg4 Bxd4
1965 POL Ch 22th – Round 3 – Serwinski, Benedykt – 0-1 – Grabczewski, Romuald – G14 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 O-O 8. Bc4 Qb6 9. Bb5 Nxe4 10. Nd5 Qa5+
1966 La Habana olm fin-A – Round 7 – Santa Cruz Beneito, Hugo – 0-1 – Forintos, Gyozo V – G132 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 O-O 8. f3 Qb6 9. O-O Qxb2 10. Ncb5 Qb4
1966 Sao Paulo CXSP Ch – Round 1 – Rocha, Antonio – 1-0 – Engels, Ludwig – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. f3 Na5 9. Bb3 Nxb3 10. axb3 d6
1967 CSR Ch – Round 12 – Lechtynsky, Jiri – 0-1 – Smejkal, Jan – G83 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. Bc4 O-O 8. f3 Qb6 9. Bb3 Nxe4 10. Nf5 Nxc3
1969 Mar del Plata zt – Round ? – Canobra, Juvenal – 0-1 – Bronstein, Luis Marcos – G68 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. f3 Qb6 9. Qd2 Nxe4 10. fxe4 Bxd4
1969 Raach zt – Round ? – Espig, Lutz – 1/2-1/2 – Dueball, Juergen – G11 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. f3 Qb6 9. Bb3 Nxe4 10. Nd5 Qa5+
1970 Vinkovci – Round 3 – Ozanic, Marijan – 0-1 – Velimirovic, Dragoljub – G59 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. f3 O-O 8. Bc4 e6 9. Bb3 d5 10. exd5 exd5

B35g — Accelerated Fianchetto Modern

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 O-O 8.f3

Les coups candidats

8…Qb6 — 72.2% (1973 parties)

Ambassadeurs : Sergio Filho, Claudio Santos (7x), Makropoulos, Georgios (5x), Seres, Lajos (5x), Konnyu, Janos (5x), Blaich, Marc-Andre (4x), Fernandez-Velasco Climent, Fernando (4x), Fruebing, Stefan (4x), Solombrino, Giovanni (4x)

8…d6 — 13.1% (359 parties)

Ambassadeurs : Sharevich, Vadim (2x), Heymann-Lobzhanidze, Anna-Luise (2x), Regert, Christian (2x), Farstad, Gudmund (2x), Behm, Wilfried (2x), Dutton, Warren Richard (2x), Jackiewicz, Katarzyna (2x), Fernandez-Velasco Climent, Andrea (2x)

8…a6 — 3.9% (106 parties)

Ambassadeurs : Nikolic, Milorad (2x), Lazarevic, Milunka (1x), Loeffler, Louise (1x), Boll, Peter (1x), Breet, A. (1x), Trescher, Manfred (1x), Duemmke, Juergen (1x), Kanzmeier, Erwin (1x)

8…Qa5 — 2.9% (79 parties)

Ambassadeurs : Brodie, Hugh (3x), Zikeli, Saskia (2x), Gragger, Anton Fritz (1x), Barendregt, Johan (1x), Cobo Arteaga, Eldis (1x), De Greif, Boris (1x), Nobrega, Adaucto Wanderley (1x), Asfora, Eduardo Hasbum (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…Qb6	8…d6	8…a6	8…Qa5
<1800	211	70%	15%	5%	2%
1800-2200	1368	73%	13%	4%	3%
2200-2600	413	84%	7%	1%	2%

Évolution par décennie (% des parties)

Décennie	N parties	8…Qb6	8…d6	8…a6	8…Qa5
1950s	8	38%	12%	—	—
1960s	57	65%	16%	2%	7%
1970s	73	75%	18%	—	3%
1980s	65	75%	11%	2%	5%
1990s	527	71%	12%	5%	4%
2000s	944	71%	15%	4%	3%
2010s	903	76%	12%	4%	2%
2020s	154	67%	15%	4%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…Qb6	76%	67%	▼ -9.1%
8…d6	12%	15%	▲ +3.2%
8…a6	4%	4%	+0.4%
8…Qa5	2%	3%	▲ +1.3%

Parties historiques

8…Qb6 — 72.2% (1973 parties)

1951 — Zagorovsky, I vs Simagin, Vladimir — 1-0 — Moscow ch-city
1951 — Zagorovsky, Vladimir vs Simagin, Vladimir — 0-1 — Moscow RUS
1958 — Fischer, Robert J vs Panno, Oscar — 1/2-1/2 — Portoroz SLO
1960 — De Freitas, Manuela Schmitz vs Caballero Camara, Ricardo — 1/2-1/2 — Sao Paulo BRA
1960 — Malikka, X vs Hecht, Hans-Joachim — 0-1 — Stockholm tt

8…d6 — 13.1% (359 parties)

1953 — Panov, Vasily vs Suetin, Alexey S — 1/2-1/2 — Vilnius LTU
1960 — De Souza Mendes, Joao vs Gadia, Olicio — 1/2-1/2 — Fortaleza BRA
1960 — Hort, Vlastimil vs Szilagyi, Gyorgy Laszlo — 1/2-1/2 — Moscow RUS
1962 — Calvo José Minguez, Ricardo vs Herren, Walter — 1-0 — Zurich SUI
1965 — Skarke, Hermann vs Zeitler, Hans-Juergen — 1/2-1/2 — Kiel GER

8…a6 — 3.9% (106 parties)

1963 — Lazarevic, Milunka vs Loeffler, Louise — 1-0 — Split ol women
1981 — Boll, Peter vs Breet, A. — 1-0 — The Hague NED
1991 — Magyari, Sandor vs Jakab, Boldizsar — 1-0 — Hungary league
1991 — Mont-Reynaud, Jordy vs Maccirone — 1-0 — ?
1993 — Ligorio M vs Ascolese, Paul — 0-1 — Mineola,NY

8…Qa5 — 2.9% (79 parties)

1961 — Gragger, Anton Fritz vs Barendregt, Johan — 1-0 — Marianske Lazne
1962 — Cobo Arteaga, Eldis vs De Greif, Boris — 1/2-1/2 — Havana CUB
1964 — Nobrega, Adaucto Wanderley vs Asfora, Eduardo Hasbum — 1-0 — Brasilia BRA
1966 — Cordovil, Joao vs Anastassopulos, Anastasios — 1-0 — Havana CUB
1970 — Pang, Kay Yan Eden vs Peretz, Malkiel — 1/2-1/2 — Siegen GER

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