B35b — Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 Qa5

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 Qa5 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte d4, case forte b5, case forte d5, Be3 actif, Bc4 actif, paire de fous, colonne d.
Faiblesses adverses : Bg7 enfermé, Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre.
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte b4, case forte e5, paire de fous, colonne c.
Faiblesses adverses : roi blanc au centre.
Problèmes : roi au centre, Bg7 enfermé, Bc8 enfermé, 3 pièces non développées (C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Na5 — Attaquer Bc4
● ...d5 — Rupture
● ...e6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B35b —

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 Qa5

Eval: [+0.29]

Les coups candidats

8.O-O — 85.1% (5378 parties)

Ambassadeurs : Baumbach, Friedrich, Dr. (36x), Bellon Lopez, Juan Manuel (17x), Kagan, Shimon (16x), Toma, Katarzyna (13x), Toran Albero, Roman (12x), Giorgadze, Tamaz (12x), Brodie, Hugh (12x), Reyes La Rosa, Juan (11x)

8.f3 — 8.0% (507 parties)

Ambassadeurs : Brodie, Hugh (10x), Cvetanovic, Uros (3x), Milenkovic, Mladen (3x), Matulovic, Milan (2x), Hatlebakk, Einar (2x), ? (2x), Alvarez Garcia, Jose Ramon (2x), Schmall, Juergen (2x)

8.Nb3 — 3.2% (203 parties)

Ambassadeurs : Brodie, Hugh (3x), Taylor, Gordon (2x), Horvath, Adam (2x), Hoffman, Alejandro (2x), Zakharchenko, Alexander (2x), Casa, Alex (1x), Forintos, Gyozo V (1x), Blackstone, John (1x)

8.Qd2 — 1.5% (92 parties)

Ambassadeurs : Ankerst, Milka (2x), Brodie, Hugh (2x), Zarrouk, B. (1x), Watt, Daniel (1x), Frenkiel, H. (1x), Popov, Tair (1x), Aguilar Jurado, Lilian Judith (1x), Romanishin, Oleg M (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.O-O	8.f3	8.Nb3	8.Qd2
<1800	262	76%	14%	5%	2%
1800-2200	2456	82%	10%	3%	2%
2200-2600	2131	92%	3%	4%	0%
2600+	70	97%	1%	1%	—

Évolution par décennie (% des parties)

Décennie	N parties	8.O-O	8.f3	8.Nb3	8.Qd2
1950s	1	—	100%	—	—
1960s	311	91%	6%	2%	0%
1970s	400	90%	5%	2%	1%
1980s	225	89%	7%	3%	2%
1990s	853	81%	10%	5%	2%
2000s	1807	83%	9%	4%	2%
2010s	2357	86%	8%	3%	1%
2020s	368	88%	7%	1%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.O-O	86%	88%	▲ +2.7%
8.f3	8%	7%	-0.5%
8.Nb3	3%	1%	▼ -1.8%
8.Qd2	1%	1%	-0.4%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 6 parties
Anand, Viswanathan — 3 parties
Carlsen, Magnus — 3 parties
Karpov, Aleksandr — 1 partie
Hou, Yifan — 1 partie

Parties historiques

8.O-O — 85.1% (5378 parties)

1960 — Spassky, Boris V. vs Gurgenidze, Bukhuti — 1-0 — Leningrad ch-URS
1960 — Kofman, Abram R vs Gufeld, Eduard — 1-0 — Kiev UKR
1960 — Pustina, Ylvi vs Padevsky, Nikola — 1-0 — Varna Varna BUL
1960 — Sakharov, Yuri N vs Zimin Yuri A — 1/2-1/2 — Kiev UKR
1961 — Fischer, Robert J vs Olafsson, Fridrik — 1-0 — Bled SLO

8.f3 — 8.0% (507 parties)

1959 — Gurgenidze, Bukhuti vs Geller, Alexander — 1-0 — Erevan ARM
1960 — Durão, Joaquim Manuel vs Pustina, Ylvi — 0-1 — Leipzig GER
1961 — Westerinen, Heikki M.J. vs Parma, Bruno — 1/2-1/2 — The Hague NED
1962 — Acosta Fabian, Janna Paloma vs Alster, Ladislav — 0-1 — Jablonec
1963 — O`Brien, Paul W vs Plachetka, Jan — 0-1 — Prague CZE

8.Nb3 — 3.2% (203 parties)

1967 — Blackstone, John vs Suterday Silver — 1-0 — Santa Monica, CA USA
1967 — Ducic, Bogdan vs Nora, Georges — 1/2-1/2 — Dieppe FRA
1968 — Heintze, Marion vs Espig, Christine — 1/2-1/2 — Neukieritzsch
1968 — Calvo José Minguez, Ricardo vs Toran Albero, Roman — 0-1 — Palma de Majorca ESP
1968 — Shmidtke vs Litynska, Marta — 0-1 — Riga LAT

8.Qd2 — 1.5% (92 parties)

1969 — Zarrouk, B. vs Watt, Daniel — 0-1 — Dresden GER
1970 — Teie, Ulf vs Bellon Lopez, Juan Manuel — 0-1 — Groningen NED
1973 — Freeman, Michael A vs Thackray N — 0-1 — Michigan
1975 — Aguilar Jurado, Lilian Judith vs Romanishin, Oleg M — 0-1 — Olot
1981 — Frenkiel, H. vs Popov, Tair — 1-0 — Montreal CAN

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v1), ● b5 (3v1), ● d5 (3v2)	● b4 (2v0), ● e5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (3v2)	● e5 (2v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Be3	● Be3 Actif (mob. 5)
Bc4	● Bc4 Actif (mob. 9)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	2 (a1, h1)	3 (c8, 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	semi-ouvert
Ruptures	● e4-e5, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1960 Leipzig olm fin-C – Round 7 – Durão, Joaquim Manuel – 0-1 – Pustina, Ylvi – G40 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Nc3 Nf6 7. Bc4 Qa5 8. f3 Qb4 9. Bb3 Nxe4 10. Nxc6 Bxc3+
1961 Bled – Round 4 – Fischer, Robert J – 1-0 – Olafsson, Fridrik – G41 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. Nb3 Qc7 10. Be2 O-O
1962 CSR Ch – Round 14 – Vesely, Jiri – 1/2-1/2 – Marsalek, Josef – G117 1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. Nb3 Qd8 10. Be2 O-O
1962 CSR Ch – Round 9 – Acosta Fabian, Janna Paloma – 0-1 – Alster, Ladislav – G76 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. f3 Qb4 9. Bb3 Nxe4 10. Nxc6 Bxc3+
1963 Spartak CC – Round ? – Estrin, Yakov – 0-1 – Zhidkov, Valery S – G22 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. Be2 O-O 10. Nb3 Qd8
1964 Budapest ch-HUN – Round 1 – Barczay, Laszlo – 1-0 – Gasztonyi, Endre – G92 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8. O-O Ng4 9. Nb3 Qh5 10. Bf4 Be5
1965 FRG Ch Bad Aibling – Round 4 – Eisinger, Max Jr – 0-1 – Schroeder, Hannes – G4 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Bc4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 Qa5 8. O-O d6 9. f3 Bd7 10. Qd2 Rc8
1965 Hoogovens – Round 15 – Ivkov, Borislav – 1-0 – Lehmann, Heinz – G116 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O Ng4 9. Nb3 Qh5 10. Bf4 Be5
1965 Hoogovens – Round 9 – Matanovic, Aleksandar – 1/2-1/2 – Lehmann, Heinz – G72 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O Ng4 9. Qxg4 Nxd4 10. Qd1 Nc6
1965 Novi Sad – Round 10 – Ciric, Dragoljub M – 1-0 – Ilievski, Dimitar – G87 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Be3 Qa5 8. O-O Ng4 9. Qxg4 Nxd4 10. Nd5 Qd8
1965 Novi Sad – Round 4 – Bradvarevic, Aleksandar – 0-1 – Ilievski, Dimitar – G43 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O Ng4 9. Nb3 Qh5 10. Bf4 Be5
1966 Sarajevo Sarajevo BIH – Round 3 – Pietzsch, Wolfgang – 1-0 – Damjanovic, Mato – G10 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. h3 O-O 10. Bb3 Bd7
1967 DSV-Turnier – Round 14 – Schoeneberg, Manfred – 0-1 – Pietzsch, Wolfgang – G84 1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. h3 O-O 10. Bb3 Bd7
1967 Havana Armies Ch 4th – Round 2 – Ujtumen, Tudev – 1-0 – Cruz Cuesta, Octavio Augusto – G11 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. f3 Qb4 9. Bb3 Nxe4 10. Nxc6 Bxc3+
1967 Palma de Majorca ESP – Round 4 – Calvo José Minguez, Ricardo – 1/2-1/2 – Lehmann, Heinz – G4 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Be3 Nc6 6. Nc3 Nf6 7. Bc4 Qa5 8. O-O d6 9. Bb3 O-O 10. Nd5 Nxd5
1967 Palma de Mallorca – Round 11 – Matulovic, Milan – 0-1 – Toran Albero, Roman – G82 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. f3 Qb4 9. Bb3 Nxe4 10. fxe4 Bxd4
1968 Copenhagen ch-DEN – Round 1 – From, Sigfred – 0-1 – Petersen, Finn – G28 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. h3 O-O 10. Bb3 Bd7
1968 Malaga ESP – Round 1 – Tatai, Stefano – 0-1 – Damjanovic, Marko – G2 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. Nb3 Qc7 10. Nd5 Nxd5
1968 Palma de Mallorca – Round 16 – Calvo José Minguez, Ricardo – 0-1 – Toran Albero, Roman – G143 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. Nb3 Qb4 9. Qe2 Nxe4 10. a3 Nxc3
1969 Athene zt – Round 12 – Wright Samuels, James – 1/2-1/2 – Jansa, Vlastimil – G20 1. Nf3 g6 2. e4 Bg7 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. Nb3 Qc7 10. Be2 a6
1969 Monte Carlo-B – Round 11 – Casa, Alex – 0-1 – Forintos, Gyozo V – G51 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8. Nb3 Qb4 9. Bd3 Nxe4 10. O-O Nxc3
1969 San Juan – Round 14 – Parma, Bruno – 1/2-1/2 – Browne, Walter S – G98 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. h3 O-O 10. Nd5 Nxd5
1969 Sarajevo – Round 15 – Gliksman, Darko – 1-0 – Parma, Bruno – G99 1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. h3 O-O 10. Bb3 Bd7
1969 Venice – Round 14 – Rosino, Antonio – 0-1 – Hort, Vlastimil – G85 1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. f3 Qb4 9. Bb3 Nxe4 10. Nxc6 Bxc3+
7. World Team Championship 2010 – Round 1 – Petrosian, Tigran L. – 1/2-1/2 – Mamedov, Rauf – G13 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. h3 O-O 10. Bb3 Bd7
Reykjavik ISL, 22th Open 2006 – Round 9 – Svidler, Peter – 0-1 – Svidler, Peter – G46 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. f3 Qb4 9. Bb3 Nxe4 10. Nxc6 Bxc3+
World Rapid 2016 – Round 1.40 – Sanal, Vahap – 1-0 – Mamedov, Rauf – G34 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. h3 O-O 10. Bb3 Bd7

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