B35c — Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 Qa5 8.O-O O-O

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 Qa5 8.O-O O-O * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

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.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte b4….

Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (2 contre 1), les cases fortes b4 et e5, la paire de fous et la colonne semi-ouverte c.

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

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

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ 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. 8)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn f7
Non développées	1 (● a1)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● e4-e5, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1960 Avantgard Ch – Round 10 – Kofman, Abram R – 1-0 – Gufeld, Eduard – G52 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bc4 Bg7 6. Be3 Nf6 7. Nc3 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1961 FRG Ch 06th – Round 6 – Mohrlok, Dieter – 1-0 – Pesch, Hans – G13 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. Be2 d6
1962 Bucharest – Round 2 – Georgescu, Vasile-Maxim – 1/2-1/2 – Baumbach, Friedrich, Dr. – 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 O-O 9. f3 d6 10. Bb3 Bd7
1962 DDR-12ch – Round 6 – Pietzsch, Wolfgang – 1-0 – Baumbach, Friedrich, Dr. – G17 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1962 Marianske Lazne – Round 3 – Djurasevic, Bozidar – 1-0 – Marsalek, Josef – G20 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. Be2 a6
1963 Leningrad ch-URS – Round 1 – Zakharov, Alexander V – 0-1 – Osnos, Vyacheslav – G69 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1964 Kislovodsk – Round ? – Ciocaltea, Victor – 1/2-1/2 – Averbakh, Yuri L – G30 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. h3 d6 10. Bb3 Nxd4
1964 Leipzig Open 6364 2nd – Round 8 – Schoeneberg, Manfred – 0-1 – Landgraf, Siegfried – G12 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. h3 d6 10. Bb3 Bd7
1964 Moskou – Round ? – Zlotnik, Boris A – 0-1 – Vaisman, Volodia – G7 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. Be2 d6
1964 RSFSR-HUN – Round 4.8 – Szilagyi, Peter – 1-0 – Kotkov, Yuri M – G36 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1964 Rubinstein Memorial – Round 1 – Tolush, Alexander V – 0-1 – Parma, Bruno – 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 O-O 9. h3 d6 10. Nde2 Bd7
1964 Tel Aviv olm prel – Round 5 – Hort, Vlastimil – 1-0 – Minaya, Juan – G181 1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1964 URS Spartakiad – Round ? – Nikitin, Aleksander S – 1-0 – Averbakh, Yuri L – G24 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qd8 10. Be2 d6
1964 Zagreb – Round 8 – Kupreianov, George – 0-1 – Parma, Bruno – G44 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1965 Harrachov U26 – Round 2 – Bellin, Jana M – 0-1 – Smejkal, Jan – G4 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1966 Parcetic Memorial 2nd – Round 9 – Radojevic Miomir – 0-1 – Malich, Burkhard, Dr. – G41 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. h3 d6 10. Be2 Bd7
1967 Capablanca Memorial – Round 5 – Bednarski, Jacek – 0-1 – Abreu Rodriguez, Juan Luis – G47 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1967 Krems – Round ? – Kinzel, Anton – 1/2-1/2 – Hort, Vlastimil – G17 1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nd5 Qd8 10. Nxf6+ Bxf6
1967 Palma de Majorca ESP – Round 7 – Lehmann, Heinz – 1/2-1/2 – Toran Albero, Roman – G11 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1967 URS Team Ch – Round ? – Osnos, Viatcheslav – 1-0 – Sakharov, Yuri N – G9 1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1968 Lugano ol (Men) qual-F – Round 1 – Westerinen, Heikki M.J. – 1/2-1/2 – Panno, Oscar – G12 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1968 Lugano olm - Round 1 - Bednarski, Jacek - 1/2-1/2 - Aalbersberg Kroon, Pedro - G209 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1968 Lugano olm - Round 1 - Kristjansson, Bjarni Jon - 0-1 - Toran Albero, Roman - G217 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1968 Lugano olm - Round 1 - Lkhagva, Jambaldoo - 1-0 - Visier Segovia, Fernando - G213 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. Be2 d6
1968 Malaga – Round 11 – Pomar Salamanca, Arturo – 1-0 – Toran Albero, Roman – G24 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1968 Solingen – Round 12 – Parma, Bruno – 1/2-1/2 – Gerusel, Mathias – G50 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nd5 Nxd5 10. exd5 Nxd4
1968 URS Team Ch – Round 1 – Liberzon, Vladimir M – 1/2-1/2 – Buslaev, Aleksander – G119 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qd8 10. f4 d6
1968 Wch7 sf2 corr – Round ? – Salm, Maxwell – 1-0 – Arnstam, K – G3 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1969 Athens zt – Round 10 – Kokkoris, Haralambos – 1/2-1/2 – Forintos, Gyozo V – G53 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. Be2 a6
1969 Corr – Round 1 – Dubinin, Peter – 1-0 – Rittner, Marcos Arruda – G9 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1969 Hoogovens-B – Round 5 – Westerinen, Heikki M.J. – 1-0 – Hartoch, Robert G – G27 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
1969 IBM-B – Round 2 – Scholl, Eckhard – 1-0 – Gerusel, Mathias – G15 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qd8 10. f4 d6
1972 Skopje ol (Men) fin-A – Round 12 – Hecht, Hans-Joachim – 1/2-1/2 – Bellon Lopez, Juan Manuel – G216 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6
34. ECC Open 2018 – Round 1.26 – Schmidt, Martin – 0-1 – Khalifman, Alexander – G13 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. Be2 d6
Hoogovens 1999 – Round 11 – Anand, Viswanathan – 1-0 – Van Wely, Loek – G64 1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. Bg5 a6
World Blitz 2021 – Round 7.54 – Kanarek, Marcel – 1-0 – Piorun, Kacper – G428 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Nb3 Qc7 10. f4 d6

B35c — Accelerated Fianchetto Modern

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 Qa5 8.O-O O-O

Les coups candidats

9.Bb3 — 60.2% (2901 parties) →

Ambassadeurs : Baumbach, Friedrich, Dr. (20x), Kagan, Shimon (13x), Maze, Sebastien (11x), Bellon Lopez, Juan Manuel (11x), Giorgadze, Tamaz (10x), Uuriintuya, Uurtsaikh (8x), Roizman, Abram Y (7x), Genzling, Alain (7x)

9.Nb3 — 25.9% (1247 parties)

Ambassadeurs : Baumbach, Friedrich, Dr. (12x), Toran Albero, Roman (7x), Bednarski, Jacek (6x), Molina Camacho, Andrés (6x), Bellon Lopez, Juan Manuel (4x), Kupreichik, Viktor D (4x), Neubert, Gerhard (4x), Kagan, Shimon (4x)

9.h3 — 5.6% (268 parties)

Ambassadeurs : Harper, Ryan (3x), Volkmann, Friedrich Karl (2x), Valentova, Eva (2x), Cerna, Olga (2x), Kosec, Tina (2x), Hector, Jonny (2x), Entem, Alan (2x), Szczepaniec, Stanislaw (2x)

9.a3 — 1.8% (88 parties)

Ambassadeurs : Schmied, Andreas (2x), Zwick, Georg (2x), Weissmann, Joerg (2x), Sotter-Klundt, Gerlinde (1x), Lauchner Gabriele (1x), Maelger, Hans Juergen (1x), Frydendal, Odd (1x), Gloor, Markus (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Bb3	9.Nb3	9.h3	9.a3
<1800	178	53%	20%	6%	4%
1800-2200	1819	63%	21%	7%	2%
2200-2600	1790	62%	28%	5%	1%
2600+	63	71%	22%	3%	—

Évolution par décennie (% des parties)

Décennie	N parties	9.Bb3	9.Nb3	9.h3	9.a3
1960s	220	67%	21%	7%	—
1970s	322	53%	42%	2%	—
1980s	171	49%	44%	2%	1%
1990s	632	51%	28%	6%	4%
2000s	1375	55%	30%	6%	2%
2010s	1806	67%	20%	5%	2%
2020s	294	71%	13%	11%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Bb3	67%	71%	▲ +3.9%
9.Nb3	20%	13%	▼ -7.4%
9.h3	5%	11%	▲ +5.7%
9.a3	2%	1%	▼ -1.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 5 parties
Anand, Viswanathan — 3 parties
Carlsen, Magnus — 3 parties
Hou, Yifan — 1 partie

Parties historiques

9.Bb3 — 60.2% (2901 parties)

1960 — Spassky, Boris V. vs Gurgenidze, Bukhuti — 1-0 — Leningrad ch-URS
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 — Berrehouma H vs Jakobsen, Ole — 0-1 — Helsinki FIN
1961 — Vaskan, Uldis vs Velimirovic, Dragoljub — 0-1 — Belgrade SRB

9.Nb3 — 25.9% (1247 parties)

1960 — Kofman, Abram R vs Gufeld, Eduard — 1-0 — Kiev UKR
1961 — Mohrlok, Dieter vs Pesch, Hans — 1-0 — Bad Pyrmont GER
1962 — Djurasevic, Bozidar vs Marsalek, Josef — 1-0 — Marianske Lazne
1962 — Padevsky, Nikola vs Stefanov, Josif Jovchev — 1-0 — Sofia BUL
1962 — Pietzsch, Wolfgang vs Baumbach, Friedrich, Dr. — 1-0 — Gera GER

9.h3 — 5.6% (268 parties)

1964 — Ciocaltea, Victor vs Averbakh, Yuri L — 1/2-1/2 — Kislovodsk
1964 — Lepeshkin, Vladimir vs Demirkhanian, Adolf — 1-0 — URS
1964 — Maedler, Juergen, Dr. vs Baumbach, Friedrich, Dr. — 1/2-1/2 — DDR-ch 14th Magdeburg GER
1964 — Tolush, Alexander V vs Parma, Bruno — 0-1 — Polanica Zdroj POL
1964 — Schoeneberg, Manfred vs Landgraf, Siegfried — 0-1 — Leipzig GER

9.a3 — 1.8% (88 parties)

1984 — Sotter-Klundt, Gerlinde vs Lauchner Gabriele — 1/2-1/2 — Marktredwitz
1992 — Kirshner, M. vs Avguarde — 0-1 — Fremont
1992 — Tauber, Manfred vs Ankerst, Marjan — 1/2-1/2 — Munchen open
1993 — Stenzel, Harold vs Ansel, Andy — 0-1 — New York, NY USA
1993 — Rolf, Sebastian vs Duengen, Wolfgang, Dr. — 0-1 — Muelheim

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