B24b — Sicilian: Closed, 3.g3 g6

1.e4 c5 2.Nc3 Nc6 3.g3 g6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bg2 (Fianchetto, fou sur la grande diagonale — 96 % des parties) ; d3 (Libérer Bf1, préparer Bd3 — 4 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bg7 (Fianchetto, fou sur la grande diagonale — 99 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (2v0)	● b4 (2v0), ● d4 (2v0)
Cases faibles	—	—
Centre	● d5 (2v0), ● e4 (1v0)	● d4 (2v0), ● e5 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	5 (● g1, ● c1, ● f1, ● a1, ● h1)	5 (● 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	● …d7-d5, ● …f7-f5

├── B24d - 4.Bg2 - Closed (1946) [-0.17] · 300 parties (dont 5 ici)

│ └── B24e - 4…Bg7 - Closed (1941) [-0.22] · 295 parties (dont 25 ici)

│ ├── B24g - 5.d3 - Closed (1939) [-0.21] · 139 parties (dont 40 ici)

│ │ └── B24i - 5…e6 - Closed (1907) [-0.12] · 99 parties (dont 63 ici)

│ │ ├── B24k - 6.Be3 Nd4 7.Nce2 - Closed, Smyslov Variation (1946) [+0.07] · 22 parties

│ │ └── B24j - 6.f4 - Closed (1954) [-0.31] · 14 parties

│ ├── B24h - 5.Nge2 - Closed (1904) [-0.25] · 125 parties

│ └── B24f - 5.f4 - Closed (1963) [-0.28] · 6 parties

└── B24c - 4.d3 - Closed (1969) [-0.19] · 1 partie

B24b — Closed (1948)

1.e4 c5 2.Nc3 Nc6 3.g3 g6

Les coups candidats

4.Bg2 — 95.8% (43331 parties) →

Ambassadeurs : Starostits, Ilmars (106x), Bastian, Herbert (102x), Welz, Peter, Dr. (100x), Rogulj, Branko (69x), Parkanyi, Attila (57x), Blatny, Frantisek (56x), Krapivin, Alexander (55x), Tompa, Janos (45x)

4.d3 — 3.8% (1719 parties) →

Ambassadeurs : Bodrogi, Mihaly (40x), Ledger, Dave J (39x), Ledger, Andrew J (30x), Soraas, Torben (30x), Stepovaia, Tatiana (28x), Shukan, Alexander (26x), Fritsche, Lutz (22x), Perez, Flavio (21x)

4.f4 — 0.2% (87 parties)

Ambassadeurs : Schoenbuchner, Gert (14x), Branchini, Fernando Luis Sakamoto (3x), Cubas, Jose (2x), Boehm, Matthias (2x), Schoenbuchner, Gertraud (2x), Sazonov, Nikolaj (2x), Saidi, G. (1x), Blackstone, John (1x)

4.Nge2 — 0.1% (54 parties)

Ambassadeurs : Wright, Jonathan (2x), Kosonen, Markku (1x), Franssila, Tommi (1x), De Visser, Pieter (1x), Van Gerwen, G. (1x), Acikgoz, Sila Gul (1x), Tompa, Janos (1x), Dubisch, Ralph (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4.Bg2	4.d3	4.f4	4.Nge2
<1800	2728	96%	3%	0%	0%
1800-2200	22526	96%	4%	0%	0%
2200-2600	12971	95%	5%	0%	0%
2600+	92	99%	1%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	4.Bg2	4.d3	4.f4	4.Nge2
1950s	405	99%	1%	—	—
1960s	870	98%	2%	0%	—
1970s	1165	98%	2%	0%	—
1980s	2349	95%	5%	0%	0%
1990s	10539	96%	4%	0%	0%
2000s	15835	96%	4%	0%	0%
2010s	11317	96%	4%	0%	0%
2020s	2752	96%	3%	0%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.Bg2	96%	96%	▲ +0.5%
4.d3	4%	3%	▼ -0.6%
4.f4	0%	0%	-0.1%
4.Nge2	0%	0%	+0.1%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 10 parties
Tal, Mikhail — 7 parties
Botvinnik, Mikhail — 6 parties
Smyslov, Vladimir — 5 parties
Kramnik, Vladimir — 5 parties
Carlsen, Magnus — 5 parties
Karpov, Aleksandr — 3 parties
Gukesh D — 3 parties
Anand, Viswanathan — 2 parties
Kasparov, Garry — 1 partie
Smyslov, Vassily — 1 partie
Ding, Liren — 1 partie
Hou, Yifan — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

4.Bg2 — 95.8% (43331 parties)

1950 — Bykova, Elizaveta vs Karff, Mona M — 1-0 — Moscow RUS
1950 — Otto, Arnold vs Elstner, Rudolf — 1/2-1/2 — Soemmerda GER
1950 — De Vries, Paul vs Barendregt, Johan — 1/2-1/2 — Antwerp BEL
1950 — Rellstab, Ludwig vs Lehmann, Heinz — 1/2-1/2 — Bad Pyrmont GER
1950 — Nielsen, Palle vs Vestol, Aage — 1/2-1/2 — Reykjavik ISL

4.d3 — 3.8% (1719 parties)

1951 — Grob, Henry vs Llado Lumbera, Jaime — 1-0 — Madrid ESP
1951 — Grob, Henry vs Fuderer, Andrija — 0-1 — Dortmund GER
1951 — Grob, Henry vs O'Kelly de Galway, Alberic — 0-1 — Dortmund GER
1953 — Norcia, Federico vs Milic, Borislav — 0-1 — Bled SLO
1954 — Raizman, Maurice vs Scherbakoff, Georges — 1/2-1/2 — Paris FRA

4.f4 — 0.2% (87 parties)

1968 — Saidi, G. vs Blackstone, John — 0-1 — Riverside, CA
1979 — Keogh, Eamon vs Dunne, David — 1/2-1/2 — Dublin IRL
1985 — Todorcevic Antic, Miodrag vs Andruet, Gilles — 1-0 — Geneva SUI
1986 — Jovic, Ljubomir vs Bojkovic, Slobodan — 1-0 — Novi Sad SRB
1989 — Schwab, Rene vs Watzka, Horst — 1/2-1/2 — Austria

4.Nge2 — 0.1% (54 parties)

1981 — Acikgoz, Sila Gul vs Tompa, Janos — 0-1 — Luanda
1985 — Dubisch, Ralph vs Banda, Ferguson — 1/2-1/2 — ?
1987 — Kosonen, Markku vs Franssila, Tommi — 1/2-1/2 — ?
1989 — De Visser, Pieter vs Van Gerwen, G. — 0-1 — Veldhoven
1992 — Mastrovasilis, Athanasios vs Vlahakis, Ioannis — 1/2-1/2 — GRE

1948 Saltsjobaden tt – Round 1 – Nielsen, Axel – 1-0 – Danielsson, Gosta – G1