B23p — Sicilian: Closed, Grand Prix, 3…d6 4.Nf3 g6

1.e4 c5 2.Nc3 Nc6 3.f4 d6 4.Nf3 g6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Bc4 (Fou actif (mobilité 9), Développer f1 — 53 % des parties) ; Bb5 (Clouer c6, Fou actif (mobilité 7), Développer f1 — 35 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bg7 (Fianchetto, fou sur la grande diagonale — 70 % des parties) ; ...Bd7 (Fou actif (mobilité 5), Développer c8 — 19 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d6→c5, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (2v0), ● g5 (2v0)	● b4 (2v0), ● d4 (2v1)
Cases faibles	—	—
Centre	● d5 (2v0), ● e4 (1v0)	● d4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	4 (● 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, ● e4-e5, ● f4-f5	● …d6-d5, ● …e7-e5, ● …f7-f5

Partie
1946 London-A – Round 8 – Bernstein, Olivia – 1/2-1/2 – Golombek, Harry – G21 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bc4 Bg7 6. d3 e6 7. O-O Nge7 8. Bb5 O-O 9. Bxc6 Nxc6 10. Be3 Nd4
1952 Helsinki olm – Round 1 – Bhend, Edwin – 1/2-1/2 – Gislason, Sigurdur – G219 1. e4 d6 2. f4 c5 3. Nf3 Nc6 4. Nc3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Be3 Nf6 8. Be2 O-O 9. Nb3 a6 10. Bf3 Na5
1957 FRG Ch Bad Neuenahr – Round 5 – Wolk, Sigmund – 1/2-1/2 – Darga, Klaus – G14 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bc4 Bg7 6. O-O e6 7. Qe1 Nge7 8. Qh4 O-O 9. Be2 Bd7 10. d3 Rc8
1961 Netanya – Round 7 – Heidenfeld, Wolfgang – 1-0 – Guti, E. – G43 1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. d3 Bg7 8. O-O e6 9. Qe1 Ne7 10. b3 O-O
1964 Bordeaux Open Bordeaux FRA – Round 4 – Gereben, Erno – 1-0 – Roos, Michel – G25 1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. Bb5 Bd7 6. O-O Bg7 7. d3 Nd4 8. Bxd7+ Qxd7 9. Be3 Nh6 10. h3 f5
1965 Novi Sad – Round 6 – Puc, Stojan – 0-1 – Matulovic, M. – G54 1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. b3 Bg7 6. Bb2 Nf6 7. d3 O-O 8. Qd2 Rb8 9. g3 b5 10. Bg2 b4
1966 Parcetic Memorial 2nd – Round 10 – Minev, Nikolay N – 1-0 – Buljovcic, Ivan – G45 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bb5 Bg7 6. d3 Bd7 7. Bxc6 Bxc6 8. O-O Qd7 9. Qe1 Nf6 10. h3 e6
1967 HUN Ch – Round 12 – Meleghegyi, Csaba – 1/2-1/2 – Forintos, Gyozo V – G40 1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. Bb5 Bg7 6. Bxc6+ bxc6 7. d3 Nf6 8. O-O O-O 9. Qe1 Nd7 10. b3 Nb6
1968 CCOL5 fin 6568 – Round ? – Zinn, Lothar – 1-0 – Parr, Frank – G6 1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. Bb5 Bg7 6. O-O Bd7 7. d3 Nd4 8. Bxd7+ Qxd7 9. Be3 e5 10. fxe5 dxe5
1968 Yugoslavia – Round 3 – Ivkovic, Dusan – 1-0 – Pirc, Vasja – G3 1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. Bb5 Bd7 6. O-O Bg7 7. d3 a6 8. Bxc6 Bxc6 9. Be3 Nf6 10. h3 O-O
1969 Leeuwarden ch-NED – Round 11 – De Ruiter, Thomas – 0-1 – Timman, Jan H – G51 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bb5 Bg7 6. d3 e6 7. e5 d5 8. Bxc6+ bxc6 9. O-O Ba6 10. b3 Bf8
20. Amber Rapid 2011 – Round 8 – Carlsen, Magnus – 1-0 – Topalov, Veselin – G25 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bb5 Bd7 6. O-O a6 7. Bxc6 Bxc6 8. d3 Bg7 9. Qe1 Qd7 10. a4 f5
40. Olympiad Open 2012 – Round 6.25 – Ivanisevic, Ivan – 1-0 – Oatlhotse, Providence – G370 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bc4 Bg7 6. O-O Nf6 7. d3 Bg4 8. h3 Bxf3 9. Qxf3 O-O 10. Kh1 e6
Amber-blind 6th 1997 – Round 2 – Lautier, Joel – 1-0 – Van Wely, Loek – G6 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bb5 Bg7 6. O-O Nf6 7. e5 dxe5 8. Nxe5 Bd7 9. Bxc6 Bxc6 10. Nxc6 bxc6
Candidats qf1 1991 – Round 3 – Short, Nigel D – 1-0 – Gelfand, Boris – G2 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bc4 Bg7 6. O-O e6 7. d3 Nge7 8. Qe1 Nd4 9. Nxd4 cxd4 10. Ne2 O-O
GCT Blitz YourNextMove 2016 – Round 16.3 – Carlsen, Magnus – 0-1 – Giri, Anish – G78 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bb5 Bd7 6. a4 Bg7 7. O-O e6 8. f5 exf5 9. d3 Nge7 10. Qe1 O-O
Hoogovens 1996 – Round 9 – Topalov, Veselin – 1-0 – Van Wely, Loek – G45 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bc4 Bg7 6. O-O e6 7. d3 Nge7 8. Qe1 h6 9. Bb3 Nd4 10. Nxd4 cxd4
Linares 1991 – Round 12 – Ljubojevic, Ljubomir – 0-1 – Kasparov, Garry – G50 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bb5 Bd7 6. O-O Bg7 7. d3 a6 8. Bxc6 Bxc6 9. Qe1 Qd7 10. a4 b6
Linares 1992 – Round 13 – Short, Nigel D – 0-1 – Gelfand, Boris – G50 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bc4 Bg7 6. O-O e6 7. d3 Nge7 8. Qe1 h6 9. Bd2 O-O 10. Bb3 d5
Moskou ch-URS 1973 – Round 15 – Smyslov, Vassily – 1/2-1/2 – Polugaevsky, Lev – G87 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bb5 Bd7 6. O-O Bg7 7. d3 Nf6 8. Bxc6 Bxc6 9. Qe1 e6 10. f5 Qb6
Moskou ch-URS 1976 – Round 1 – Dorfman, Iossif – 1/2-1/2 – Polugaevsky, Lev – G14 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bc4 Bg7 6. O-O Nf6 7. Qe1 O-O 8. f5 e6 9. fxe6 fxe6 10. e5 dxe5
Novi Sad olm 1990 – Round 3 – Hellers, Ferdinand – 0-1 – Gelfand, Boris – G22 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bc4 Bg7 6. O-O e6 7. f5 exf5 8. d3 Nge7 9. Qe1 h6 10. exf5 Bxf5
TCh-RUS 2005 – Round 11 – Morozevich, Alexander – 1/2-1/2 – Gelfand, Boris – G182 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Nb3 Nf6 8. Be2 O-O 9. Bf3 e5 10. O-O exf4
World Blitz 2009 – Round 42 – Ivanchuk, Vasyl – 1-0 – Naiditsch, Arkadij – G439 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bb5 Bg7 6. Bxc6+ bxc6 7. O-O Nf6 8. d3 O-O 9. Qe1 Bg4 10. b3 Bxf3
World Blitz 2022 – Round 2.59 – Sindarov, Javokhir – 1-0 – Zhalmakhanov, Ramazan – G107 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bc4 Bg7 6. O-O e6 7. d4 cxd4 8. Nb5 Nge7 9. Bb3 O-O 10. Nbxd4 Nxd4
World Cup 1991 – Round 5 – Ljubojevic, Ljubomir – 1-0 – Portisch, Lajos – G36 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bb5 Bd7 6. O-O Bg7 7. d3 a6 8. Bxc6 Bxc6 9. Qe1 Qd7 10. a4 b6

B23p — Closed, Grand Prix (1946)

1.e4 c5 2.Nc3 Nc6 3.f4 d6 4.Nf3 g6

Les coups candidats

5.Bc4 — 52.8% (2988 parties)

Ambassadeurs : Mitkov, Nikola (20x), Erlbeck, Peter (6x), Weinzettl, Ernst (5x), Gurevich, Vladimir (5x), Vicas, Marijus (5x), Koronowski, Heinz-Juergen (5x), Wojtkiewicz, Aleksander (4x), Dambacher, Martijn (4x)

5.Bb5 — 34.9% (1974 parties)

Ambassadeurs : Weeramantry, Sunil (11x), Zier, Ludwig (7x), Jovanovic, Zoran (6x), Chetvertakov, Valery (5x), Ropokis, Dimitrios (5x), Stohl, Igor (4x), Thestrup, Sixten (4x), Erdogdu, Aziz Mert (4x)

5.g3 — 4.3% (242 parties)

Ambassadeurs : Nadal Fajardo, Ricard (2x), Blackstone, John (1x), Shean, B. (1x), Vales, Vaclav (1x), Krcmar, Zdenek (1x), Stanic, Aleksandar (1x), Biocanin, Goran (1x), Hanke, Leonhard (1x)

5.d4 — 3.3% (185 parties)

Ambassadeurs : Podlesnik, Bogdan (9x), Petrov, Marian (8x), Kupreichik, Viktor D (5x), Yuneev, Alexey (3x), Tiviakov, Sergei (3x), Popov, Vladimir Valentinovich (3x), Petrosian, Arshak B (2x), Szczepanski, Zbigniew (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Bc4	5.Bb5	5.g3	5.d4
<1800	511	48%	39%	5%	2%
1800-2200	2904	54%	35%	4%	2%
2200-2600	1485	51%	38%	3%	5%
2600+	37	27%	49%	—	22%

Évolution par décennie (% des parties)

Décennie	N parties	5.Bc4	5.Bb5	5.g3	5.d4
1950s	11	18%	9%	—	36%
1960s	30	7%	73%	3%	—
1970s	89	63%	24%	4%	3%
1980s	115	48%	32%	7%	8%
1990s	1017	65%	21%	5%	3%
2000s	1938	60%	28%	5%	2%
2010s	2013	43%	45%	4%	4%
2020s	444	39%	51%	2%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Bc4	43%	39%	▼ -4.4%
5.Bb5	45%	51%	▲ +6.4%
5.g3	4%	2%	▼ -2.1%
5.d4	4%	4%	-0.1%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 3 parties
Carlsen, Magnus — 3 parties
Kasparov, Garry — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

5.Bc4 — 52.8% (2988 parties)

1957 — Wolk, Sigmund vs Darga, Klaus — 1/2-1/2 — FRG-ch Bad Neuenahr
1957 — Nielsen, Jacob vs Flammiger, H. — 1-0 — cr.
1961 — Johanessen vs Olafsson, Fridrik — 1-0 — Marienbad CZE
1969 — Nowarra, Waltraud vs Espig, Lutz — 1-0 — GDR Tch
1970 — Medianikova, Nina vs Sternina, Vera E — 1-0 — Moscow RUS

5.Bb5 — 34.9% (1974 parties)

1958 — Burstein, S vs Dyner, Israel Boruch — 1-0 — Haifa/Tel Aviv
1960 — Bazan, Osvaldo vs Perez Alcocer, Jose — 1-0 — Sao Paulo BRA
1960 — Brat, Vaclav Dr vs Dreibergs, Leonid — 0-1 — CCOL3 final 5861
1961 — Heidenfeld, Wolfgang vs Guti, E. — 1-0 — Netanya ISR
1963 — Roethel, Michel vs Brock, Walter — 1-0 — Paris FRA

5.g3 — 4.3% (242 parties)

1968 — Blackstone, John vs Shean, B. — 0-1 — Lake Tahoe, NV
1972 — Villasante, Andres vs Vassiades, C. — 1-0 — Skopje MKD
1974 — Zuk, Robert D. vs Oszvald, Joseph — 1/2-1/2 — Vancouver
1976 — Radovici, Corvin vs Diaz, Joaquin — 1-0 — Bucharest ROU
1979 — Vales, Vaclav vs Krcmar, Zdenek — 1/2-1/2 — Loucovice

5.d4 — 3.3% (185 parties)

1952 — Karaklajic, Dimitrije vs Lob, Chris — 1-0 — Belgrade SRB
1952 — Aadhitha Karikalan vs Lob, Paulin — 1-0 — Belgrade SRB
1952 — Bhend, Edwin vs Gislason, Sigurdur — 1/2-1/2 — Helsinki olm
1958 — Zinn, Lothar vs Dorawa, Bernhard — 1-0 — GDR-ch Schkopau GER
1970 — Dueball, Juergen vs Maeder, Karl-Heinz — 0-1 — Bad Pyrmont GER

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