B25p — Sicilian: Closed, 6.f4 e6

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 e6 7.Nf3 Nge7 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 g5.

Atouts. Les Blancs s'appuient sur la case forte g5 et la paire de fous.

Côté adverse. Le fou enfermé en c8.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. Be3 (Développer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte d4.

Atouts. Les Noirs s'appuient sur les cases fortes b4 et d4, un avant-poste en d4, un fou actif en g7 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et g2.

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

Plans. ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)) ; ...c4 (Rupture) ; ...d5 (Rupture) ; ...e5 (Rupture) ; ...f6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c2→d3, h2→g3, d3→e4, g3→f4	● d6→c5, f7→e6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	● b4 (2v0), ● d4 (3v1)
Cases faibles	—	—
Centre	● e4 (2v0)	● d4 (3v1), ● e5 (3v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	2 (● c8, ● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d3-d4, ● e4-e5, ● f4-f5	● …c5-c4, ● …d6-d5, ● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
1935 Warsaw POL – Round 13 – Krogius, Ragnar – 0-1 – Pelikán, Jiří – G80 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 d6 6. Nf3 e6 7. O-O Nge7 8. d3 O-O 9. Ne2 Qb6 10. c3 f5
1950 SUI Ch – Round 11 – Henneberger, Walter – 0-1 – Leepin, Peter – G30 1. e4 c5 2. d3 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Qe2 Rb8 10. Be3 b6
1951 Sopot – Round 7 – Neikirkh, Oleg – 0-1 – Ciejka, Tadeusz – G40 1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. g4 Nd4 10. Ne2 Nxf3+
1951 YUG Ch 7th – Round 14 – Nikolac, Juraj – 1/2-1/2 – Rabar, Braslav – G117 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 d6 6. Nf3 e6 7. O-O Nge7 8. d3 O-O 9. Ne2 f5 10. c3 Kh8
1954 Bucharest – Round 7 – Szabo, Stefan – 0-1 – Pachman, Ludek – G67 1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nc6 5. g3 d6 6. Bg2 e6 7. O-O Nge7 8. d3 O-O 9. h3 Rb8 10. g4 f5
1956 CSR Ch – Round 16 – Holas, Josef – 1-0 – Jezek, Jaroslav – G150 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. g3 d6 6. Bg2 e6 7. O-O Nge7 8. d3 O-O 9. h3 Rb8 10. Be3 Nd4
1956 Oklahoma City Open – Round 1 – Tears, Cath Fred – 1/2-1/2 – Fischer, Raphael – G3 1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Rb1 Rb8 10. Ne2 f5
1960 Sofia ch BUL – Round 13 – Chaprazov Ivan – 1/2-1/2 – Kolarov, Atanas S. – G13 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. g3 d6 6. Bg2 e6 7. O-O Nge7 8. d3 O-O 9. g4 f5 10. gxf5 gxf5
1961 FRG Ch Bad Prymont – Round 8 – Pfleger, Helmut, Dr. – 0-1 – Darga, Klaus – G17 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Ne2 e5 10. fxe5 dxe5
1962 Reggio Emilia ITA – Round 2 – Zichichi, Alvise – 0-1 – Honfi, Karoly – G5 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Ne2 f5 10. h3 e5
1962 URS-ch30 sf – Round 11 – Seredenko, Vladimir – 1-0 – Kots, Yuri I – G18 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. d3 d6 6. g3 e6 7. Bg2 Nge7 8. O-O O-O 9. g4 f5 10. h3 d5
1962 Varna olm – Round 4 – Minev, Nikolay N – 1/2-1/2 – Langeweg, Kick – G124 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Kh1 b6 10. Be3 d5
1963 Halle zt – Round ? – Larsen, Bent – 1-0 – Pavlov, Mircea-Sergiu-Aurelian – G167 1. g3 g6 2. Bg2 Bg7 3. Nc3 c5 4. d3 Nc6 5. f4 e6 6. Nf3 Nge7 7. O-O O-O 8. e4 d6 9. Kh1 Rb8 10. a4 Nd4
1963 Split ol women – Round 6 – Rinder, Elfriede – 0-1 – Keller-Hermann, Edith – G17 1. e4 c5 2. f4 e6 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O Nge7 7. d3 O-O 8. Nc3 d6 9. Ne2 Rb8 10. c3 b5
1964 Buenos Aires Ch – Round ? – Carballo Madrigal, Fabian – 0-1 – Cruz, Raul C. – G31 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. f4 Nge7 7. Nf3 O-O 8. O-O d6 9. Kh1 Nd4 10. Ne2 Rb8
1965 Hamburg etc – Round 1 – Bredewout, Henk – 0-1 – Pavlov, Mircea-Sergiu-Aurelian – G22 1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Ne2 Rb8 10. c3 f5
1965 Sinaia stud ol final – Round 5 – Stepak, Yedael – 1/2-1/2 – Lee, Peter N – G25 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Ne2 f5 10. c3 h6
1966 Oberhausen ol women – Round 5 – Veroci, Zsuzsa – 0-1 – Zatulovskaya, Tatiana – G23 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. g3 e6 6. Bg2 Nge7 7. O-O d6 8. d3 O-O 9. Qe1 Nd4 10. Qf2 Nec6
1966 Reggio Emilia 6667 09th – Round 4 – Capece, Adolivio – 0-1 – Zinser, Sylvain – G15 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Ne2 d5 10. c3 b6
1968 Bristol ch-BCF – Round 2 – Clarke, Paul R H – 1-0 – Botterill, George S. – G30 1. e4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. d3 e6 6. f4 Nge7 7. Nf3 O-O 8. O-O d6 9. Bd2 Rb8 10. Rb1 b5
1968 Bristol ch-BCF – Round 3 – Clarke, Paul R H – 1/2-1/2 – Lee, Paak Hei – G36 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Bd2 b5 10. a3 Qb6
1968 Budapest – Round 1 – Bilek, Istvan – 1/2-1/2 – Doroshkievich, Vladimir K – G68 1. g3 c5 2. Bg2 g6 3. f4 Bg7 4. Nc3 Nc6 5. d3 e6 6. Nf3 Nge7 7. e4 d6 8. O-O O-O 9. Kh1 Rb8 10. Be3 Nd4
1968 Hungary – Round 1 – Szilagyi, Gyorgy Laszlo – 0-1 – Forintos, Gyozo V – G80 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Bd2 Rb8 10. Rb1 b5
1968 Hungary – Round 1 – Szilagyi, Gyorgy Laszlo – 1/2-1/2 – Dely, Peter – G78 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Kh1 Rb8 10. a4 a6
1968 It Buesum GER – Round 11 – Medina-Garcia, Antonio – 0-1 – Huebner, Robert – G52 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. f4 Nge7 7. Nf3 O-O 8. O-O d6 9. Bd2 Rb8 10. g4 f5
1968 Kecskemet – Round 1 – Barczay, Laszlo – 1/2-1/2 – Popov, Lazar – G16 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Rb1 Rb8 10. g4 f5
1968 Lugano ol (Men) qual-G – Round 1 – Garcia Martinez, Silvino – 0-1 – Tringov, Georgi P – G6 1. e4 c5 2. f4 g6 3. Nf3 Bg7 4. Nc3 d6 5. g3 Nc6 6. Bg2 e6 7. O-O Nge7 8. d3 O-O 9. a3 Rb8 10. Rb1 Nd4
1968 Lugano SUI – Round 1 – Niedermayr, Horst – 0-1 – Byrne, Robert E – G50 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Bd2 Rb8 10. Rb1 b5
1968 New York ch-USA – Round 3 – Seidman, Herbert – 0-1 – Saidy, Anthony – G15 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Ne2 f5 10. c3 Rb8
1968 Skopje/Ohrid – Round 1 – Wade, Robert G – 1/2-1/2 – Nicevski, Risto – G3 1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Nh4 Nd4 10. Be3 Bd7
1968 Skopje/Ohrid – Round 3 – Wade, Robert G – 0-1 – Hort, Vlastimil – G21 1. e4 c5 2. Nc3 Nc6 3. d3 d6 4. g3 g6 5. Bg2 Bg7 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Nh4 Nd4 10. Be3 Rb8
1968 SWE Ch – Round 8 – Ekenberg, Bengt – 0-1 – Brostrom, Goran – G22 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. a4 Rb8 10. Bd2 a6
1968 WchT U26 15. qual-E – Round 2.3 – Zwaig, Arne – 1/2-1/2 – Votruba, Pavel – G5 1. g3 g6 2. Bg2 Bg7 3. e4 d6 4. f4 e6 5. Nf3 Ne7 6. O-O O-O 7. Nc3 c5 8. d3 Nbc6 9. g4 f5 10. gxf5 exf5
1969 Brno KOLT 2nd – Round 6 – Urban, Bohumil – 1/2-1/2 – Zavodny, Zdenek – G1 1. g3 g6 2. Bg2 Bg7 3. e4 c5 4. f4 d6 5. Nf3 Nc6 6. d3 e6 7. Nc3 Nge7 8. O-O O-O 9. Kh1 a6 10. a4 Bd7
1969 Budapest – Round 1 – Karpov, Aleksandr – 1/2-1/2 – Ribli, Zoltan – G15 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. f4 d6 7. Nf3 Nge7 8. O-O O-O 9. Rb1 Rb8 10. Bd2 b5
1969 Moskou ch-URS – Round 1 – Lutikov, Anatoly S – 1/2-1/2 – Platonov, Igor V – G195 1. f4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 d6 6. O-O e6 7. Nc3 Nge7 8. d3 O-O 9. Ne2 b6 10. g4 f5
1972 Skopje ol (Men) fin-A – Round 15 – Liljedahl, Lennart – 1/2-1/2 – Matulovic, Milan – G209 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Ne2 Rb8 10. a4 b6
Candidats qf3 1980 – Round 1 – Spassky, Boris V. – 0-1 – Portisch, Lajos – G1 1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Rb1 b6 10. Bd2 Bb7
Hamburg tv rapid 1982 – Round 1 – Spassky, Boris V. – 1-0 – Timman, Jan H – G3 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Bd2 Rb8 10. a3 b5
Interpolis 1983 – Round 10 – Spassky, Boris V. – 1-0 – Van der Wiel, John T.H. – G49 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Bd2 Rb8 10. Rb1 b5

B25p — Closed

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 e6 7.Nf3 Nge7 8.O-O O-O

Les coups candidats

9.Be3 — 72.8% (7657 parties) →

Ambassadeurs : Starostits, Ilmars (89x), Detela, Walter (55x), Rogulj, Branko (52x), Barkwell, Michael C (34x), Meinhardt, Maximilian, Dr. (31x), Larino Nieto, David (24x), Buecker, Stefan (22x), Roos, Jean-Luc (22x)

9.Ne2 — 8.1% (848 parties)

Ambassadeurs : Liljedahl, Lennart (16x), Drexel, Christian (10x), Lytchak, Boris (9x), Detela, Walter (8x), Horak, Michal (8x), Kaulfuss, Christa (7x), Ploner, Ferdinand (6x), Peniska, Pavel (6x)

9.Bd2 — 4.4% (464 parties)

Ambassadeurs : Bachin, Vitalii (10x), Simon Padros, Emili (9x), Sugden, John N (9x), Hofmann, Annett (7x), Scheynin, Julia (7x), Spassky, Boris V. (6x), Marjanovic, Slavoljub (6x), Cruz, Ricardo Benares de Sa L. (6x)

9.Rb1 — 3.5% (372 parties)

Ambassadeurs : Casper, Thomas (9x), Schoenbuchner, Gert (9x), Shubenkova, Veronika (6x), Hulshof, Peter (5x), Bachin, Vitalii (5x), Wilshusen, Horst (5x), Schlesinger, Omri (4x), Seifried, Wolfgang (4x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Be3	9.Ne2	9.Bd2	9.Rb1
<1800	321	64%	8%	3%	6%
1800-2200	4288	71%	9%	3%	4%
2200-2600	3654	80%	6%	4%	3%
2600+	19	63%	—	16%	11%

Évolution par décennie (% des parties)

Décennie	N parties	9.Be3	9.Ne2	9.Bd2	9.Rb1
1930s	1	—	100%	—	—
1950s	11	27%	18%	—	18%
1960s	148	53%	10%	12%	3%
1970s	333	48%	12%	17%	8%
1980s	754	73%	6%	8%	6%
1990s	2637	73%	9%	4%	4%
2000s	3767	76%	7%	3%	3%
2010s	2448	73%	9%	3%	2%
2020s	417	74%	7%	4%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Be3	73%	74%	▲ +1.0%
9.Ne2	9%	7%	▼ -1.9%
9.Bd2	3%	4%	▲ +0.6%
9.Rb1	2%	5%	▲ +2.9%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Aleksandr — 4 parties
Karpov, Anatoly — 2 parties
Smyslov, Vladimir — 2 parties
Kramnik, Vladimir — 2 parties
Tal, Mikhail — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

9.Be3 — 72.8% (7657 parties)

1956 — Chistiakov, Alexander vs Ignatiev, Felix N — 1/2-1/2 — Moscow RUS
1956 — Chistiakov, Alexander vs Vasiukov, Evgeni — 1/2-1/2 — Kharkov UKR
1958 — Van Schoor, Karl vs Palmason, Gudmundur — 1/2-1/2 — Munich GER
1961 — Fuller, Ronald A vs Northage, Robert H — 0-1 — Bognor Regis
1961 — Van Donk, Diederik vs Spanjaard, Willem — 1-0 — The Hague ch-NLD

9.Ne2 — 8.1% (848 parties)

1935 — Krogius, Ragnar vs Pelikán, Jiří — 0-1 — Warsaw POL
1951 — Nikolac, Juraj vs Rabar, Braslav — 1/2-1/2 — Sarajevo BIH
1957 — Potter, Robert vs Popovych, Orest — 0-1 — Cleveland, OH USA
1961 — Pfleger, Helmut, Dr. vs Darga, Klaus — 0-1 — FRG-ch Bad Prymont
1962 — Zichichi, Alvise vs Honfi, Karoly — 0-1 — Reggio Emilia ITA

9.Bd2 — 4.4% (464 parties)

1968 — Medina-Garcia, Antonio vs Flesch, Jean-benoit — 1/2-1/2 — It II Wijk aan Zee NED
1968 — Spassky, Boris V. vs Larsen, Benjamin Holsko — 1-0 — Malmo SWE
1968 — Spassky, Boris V. vs Larsen, Benjamin Holsko — 1-0 — Malmo SWE
1968 — Clarke, Paul R H vs Lee, Paak Hei — 1/2-1/2 — Bristol ch-BCF
1968 — Medina-Garcia, Antonio vs Huebner, Robert — 0-1 — It Buesum GER

9.Rb1 — 3.5% (372 parties)

1955 — Domanski, Jerzy vs Gniot, Tadeusz — 1-0 — Wroclaw POL
1956 — Tears, Cath Fred vs Fischer, Raphael — 1/2-1/2 — Oklahoma City open
1968 — Barczay, Laszlo vs Popov, Lazar — 1/2-1/2 — Kecskemet HUN
1969 — Brodie, Hugh vs Lebel, Robert — 1/2-1/2 — Montreal CAN
1969 — Reyes, Romuel vs Balinas, Rosendo C — 1/2-1/2 — Manila PHI

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