Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d7→e6, f7→e6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v1)	● b4 (3v0), ● d4 (2v1), ● c5 (2v1)
Cases faibles	—	—
Centre	● e4 (2v1)	● d4 (2v1), ● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bd3	● Bd3 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (● c1, ● a1, ● h1)	4 (● 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	—	● …d7-d5

B33c — Sicilian: Open, 2…Nc6, 5…Qb6 6.Nb3 e6 7.Bd3

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Qb6 6.Nb3 e6 7.Bd3 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. O-O (Mettre le roi en sécurité, connecter les tours — 66 % des parties) ; Be3 (Fou actif (mobilité 8), Développer c1 — 23 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...a6 (Préparer expansion aile dame — 39 % des parties) ; ...Be7 (Fou actif (mobilité 6), Développer f8 — 32 % des parties) ; ...d6 (Libérer Bc8 — 17 % des parties) ; ...Bb4 (Clouer c3, Fou actif (mobilité 7), Développer f8 — 11 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
? 1998 – Round ? – Schmaltz, Roland – 1/2-1/2 – Kasparov, Garry – G69 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Qc7 8. O-O a6 9. f4 d6 10. Qf3 Be7
1961 URS-ch29 sf Novgorod – Round 10 – Savon, Vladimir – 1-0 – Gusev, Yuri S – G15 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 d6 8. O-O Be7 9. Be3 Qc7 10. Nb5 Qb8
1966 Hungary – Round 1 – Haag, Ervin – 1/2-1/2 – Polgar, Istvan – G66 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6 6. Nb3 e6 7. Bd3 Be7 8. O-O O-O 9. Bg5 Qd8 10. f4 d6
1966 La Habana olm fin-A – Round 2 – Minev, Nikolay N – 1/2-1/2 – Olafsson, Fridrik – G35 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Be7 8. O-O d6 9. Be3 Qc7 10. f4 a6
1966 Moscow Tch-SU – Round 1 – Polugaevsky, Lev – 1-0 – Reshko, Aron – G15 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6 6. Nb3 e6 7. Bd3 Bb4 8. Bd2 O-O 9. O-O Bxc3 10. Bxc3 e5
1966 Sarajevo – Round 7 – Janosevic, Dragoljub – 1/2-1/2 – Minev, Nikolay N – G22 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 e6 6. Nc3 Nf6 7. Bd3 Be7 8. O-O d6 9. Be3 Qc7 10. f4 Bd7
1966 URS Team Ch – Round ? – Suetin, Alexey S – 1-0 – Reshko, Aron – G28 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6 6. Nb3 e6 7. Bd3 Bb4 8. Bd2 O-O 9. O-O d5 10. exd5 Bxc3
1967 Leningrad – Round 1 – Faibisovich, Vadim Z – 0-1 – Karasev, Vladimir I – G30 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Be7 8. O-O O-O 9. Be3 Qc7 10. f4 a6
1967 Liberation Belgrade YUG – Round 7 – Tringov, Georgi P – 1/2-1/2 – Forintos, Gyozo V – G21 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Bb4 8. O-O O-O 9. Bg5 Ne5 10. Bxf6 gxf6
1967 Sarajevo – Round 2 – Tringov, Georgi P – 1/2-1/2 – Kavalek, Lubomir – G13 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. Be3 Qc7 9. f4 d6 10. Qf3 b5
1968 Budapest – Round ? – Hernandez Stein, Dario Eduardo – 0-1 – Forintos, Gyozo V – G90 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Bb4 8. O-O Ne5 9. Be3 Qc7 10. Bd4 Ng6
1968 Islington Open 4th – Round 4 – Kurajica, Bojan – 1-0 – Van der Weide, Piet – G11 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 d6 8. O-O Be7 9. Kh1 O-O 10. f4 a6
1968 Kecskemet HUN – Round 1 – Stein, Leonid – 1-0 – Forintos, Gyozo V – G6 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Bb4 8. O-O O-O 9. Be3 Qd8 10. f4 Bxc3
1968 Sarajevo – Round 10 – Barczay, Laszlo – 1/2-1/2 – Kavalek, Lubomir – G70 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. O-O d6 9. Kh1 g6 10. Be2 Qc7
1968 Sarajevo – Round 8 – Janosevic, Dragoljub – 1-0 – Kelecevic, Nedeljko – G58 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. O-O Be7 9. Be3 Qc7 10. f4 d6
1969 Moskou ch-URS – Round 1 – Polugaevsky, Lev – 1-0 – Averkin, Orest N – G128 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Be7 8. O-O a6 9. Be3 Qc7 10. a4 d5
1969 Moskou ch-URS – Round 1 – Savon, Vladimir – 1-0 – Liberzon, Vladimir M – G126 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. Bg5 Be7 9. Qe2 d6 10. O-O Qc7
1969 Moskou ch-URS – Round 1 – Tal, Mikhail – 1/2-1/2 – Gufeld, Eduard – G121 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Be7 8. O-O a6 9. Qe2 d5 10. exd5 exd5
1969 Moskou ch-URS – Round 1 – Vasiukov, Evgeni – 0-1 – Tal, Mikhail – G124 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. Qe2 d6 9. Bg5 Be7 10. O-O O-O
1969 Tbilisi – Round 1 – Kostro, Jerzy – 1/2-1/2 – Gufeld, Eduard – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Be7 8. O-O a6 9. Be3 Qc7 10. f4 d6
1969 URS Ch sf – Round ? – Platonov, Igor V – 1-0 – Shamkovich, Leonid – G12 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6 6. Nb3 e6 7. Bd3 Be7 8. Be3 Qc7 9. f4 d6 10. Qf3 a6
1970 IBM – Round 5 – Bednarski, Jacek – 1-0 – Van der Weide, Piet – G121 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Be7 8. Be3 Qc7 9. f4 d6 10. Qf3 a6
41. Olympiad Open 2014 – Round 1.16 – Fong, Yit San – 0-1 – Salgado Lopez, Ivan – G24 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Be7 8. O-O d6 9. Be3 Qc7 10. f4 a6
41. Olympiad Open 2014 – Round 5.20 – Almasi, Zoltan – 1-0 – Salgado Lopez, Ivan – G343 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. Be3 Qc7 9. f4 d6 10. Qf3 Be7
41. Olympiad Open 2014 – Round 7.26 – Solak, Dragan – 1/2-1/2 – Bachmann, Axel – G502 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Be7 8. Be3 Qc7 9. f4 d6 10. Qf3 a6
Corus 2000 – Round 1 – Leko, Peter – 1/2-1/2 – Morozevich, Alexander – G5 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 d6 8. f4 Be7 9. Qf3 Nb4 10. Be3 Nxd3+
Frankfurt-West Masters 1999 – Round 12 – Lutz, Christopher – 0-1 – Polgar, Judit – G46 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. Be3 Qc7 9. f4 d6 10. Qf3 b5
Interpolis 1978 – Round 6 – Hort, Vlastimil – 1/2-1/2 – Huebner, Robert – G22 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Be7 8. Be3 Qc7 9. f4 d6 10. Qf3 a6
Interpolis 1989 – Round 12 – Hjartarson, Johann – 1/2-1/2 – Agdestein, Simen – G44 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Be7 8. Be3 Qc7 9. f4 d6 10. Qf3 a6
Qatar Masters Open 2015 – Round 3.23 – Sjugirov, Sanan – 1-0 – Tissir, Mohamed – G103 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. Qe2 d6 9. g4 Qc7 10. g5 Nd7
Roquebrune rapid 1992 – Round 14 – Anand, Viswanathan – 1/2-1/2 – Polgar, Judit – G44 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. O-O Qc7 9. Kh1 b5 10. f4 d6
URS Team Ch Moscow 1972 – Round ? – Gipslis, Aivars – 1/2-1/2 – Stein, Leonid – G35 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6 6. Nb3 e6 7. Bd3 Be7 8. Qe2 d6 9. g4 a6 10. g5 Nd7
USA Ch 2017 – Round 3.6 – Robson, Ray – 1-0 – Kamsky, Gata – G18 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. f4 d5 9. e5 Nd7 10. Qg4 Nc5

B33c — Open (1961)

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Qb6 6.Nb3 e6 7.Bd3

Les coups candidats

7…a6 — 43.3% (1142 parties)

Ambassadeurs : Smithers, Steven (13x), Arzumanian, Georgii (12x), Da Silva Filho, Alcindo Luz Bastos (12x), Kurajica, Bojan (12x), Maryasin, Boris (12x), Knezevic, Bojan (9x), Barlov, Dragan (9x), Pohjosmäki, Risto (9x)

7…Be7 — 25.6% (675 parties)

Ambassadeurs : Da Silva Filho, Alcindo Luz Bastos (21x), Akopian, Vladimir (16x), Grivas, Efstratios (14x), Vokac, Marek (9x), Carlier, Bruno (6x), Efimov, Igor (6x), Martinovic, Slobodan (6x), Fominyh, Alexander (6x)

7…d6 — 19.3% (509 parties)

Ambassadeurs : Grivas, Efstratios (66x), Peschardt, Søren (26x), Cabrilo, Goran (12x), Kononenko, Dmitry (9x), Ambasa Ingrio (9x), Kurajica, Bojan (8x), Szymanski, Robert (8x), Vouldis, Angelos (6x)

7…Bb4 — 8.6% (226 parties)

Ambassadeurs : Karasev, Vladimir (12x), Rosen, Willy (10x), Reshko, Aron (5x), Forintos, Gyozo V (4x), Mokrys, Christian-Peter (4x), Tringov, Georgi P (3x), Suetin, Alexey S (3x), Kouatly, Bachar (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…a6	7…Be7	7…d6	7…Bb4
<1800	57	42%	26%	12%	16%
1800-2200	662	45%	27%	16%	9%
2200-2600	1728	44%	25%	21%	7%
2600+	41	29%	37%	27%	—

Évolution par décennie (% des parties)

Décennie	N parties	7…a6	7…Be7	7…d6	7…Bb4
1960s	32	28%	38%	9%	25%
1970s	43	26%	40%	5%	28%
1980s	176	52%	31%	7%	9%
1990s	515	35%	30%	24%	9%
2000s	825	43%	22%	25%	7%
2010s	884	47%	26%	16%	7%
2020s	163	48%	18%	12%	13%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…a6	47%	48%	▲ +1.6%
7…Be7	26%	18%	▼ -7.6%
7…d6	16%	12%	▼ -4.1%
7…Bb4	7%	13%	▲ +6.6%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 3 parties
Tal, Mikhail — 2 parties
Kasparov, Garry — 1 partie

Parties historiques

7…a6 — 43.3% (1142 parties)

1967 — Tringov, Georgi P vs Kavalek, Lubomir — 1/2-1/2 — Sarajevo BIH
1968 — Janosevic, Dragoljub vs Kelecevic, Nedeljko — 1-0 — Sarajevo BIH
1968 — Blackstock, Leslie Steven F vs Van der Weide, Piet — 0-1 — London ENG
1968 — Barczay, Laszlo vs Kavalek, Lubomir — 1/2-1/2 — Sarajevo BIH
1968 — Kurajica, Bojan vs Van der Weide, Piet — 1-0 — Islington op

7…Be7 — 25.6% (675 parties)

1962 — Medina-Garcia, Antonio vs Gilden, Lawrence — 1-0 — San Antonio, TX USA
1966 — Minev, Nikolay N vs Olafsson, Fridrik — 1/2-1/2 — Havana olm
1966 — Janosevic, Dragoljub vs Minev, Nikolay N — 1/2-1/2 — Sarajevo BIH
1966 — Haag, Ervin vs Polgar, Istvan — 1/2-1/2 — HUN
1967 — Garcia Martinez, Silvino vs Polgar, Istvan — 0-1 — Harrachov

7…d6 — 19.3% (509 parties)

1961 — Savon, Vladimir vs Gusev, Yuri S — 1-0 — URS-ch29 sf Novgorod
1966 — Ostojic, Aleksa vs Van der Weide, Jelmer — 1-0 — Zwolle NED
1968 — Kurajica, Bojan vs Van der Weide, Piet — 1-0 — London ENG
1971 — Noordhoff, Enno vs Wellner, Jakob — 0-1 — NOSBO ch
1977 — Filipowicz, Andrzej vs Gulko, Boris — 1/2-1/2 — Polanica Zdroj POL

7…Bb4 — 8.6% (226 parties)

1963 — Bukhover, A vs Dzindzichashvili, Roman — 1-0 — Moscow RUS
1966 — Suetin, Alexey S vs Reshko, Aron — 1-0 — URS
1966 — Polugaevsky, Lev vs Reshko, Aron — 1-0 — Moscow Tch-SU
1967 — Tringov, Georgi P vs Forintos, Gyozo V — 1/2-1/2 — Belgrade SRB
1967 — Tringov, Georgi P vs Forintos, Gyozo V — 1/2-1/2 — Liberation Belgrade YUG

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