B98j — Sicilian: Najdorf, Browne, 10.O-O-O Nbd7 11.Be2

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 h6 9.Bh4 Qc7 10.O-O-O Nbd7 11.Be2 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte e4, Be2 actif, Bh4 actif, paire de fous, colonne d.
Faiblesses adverses : arriéré b7, Be7 enfermé, Bc8 enfermé, roi noir au centre.
Plans :
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte c5, avant-poste c5(C), paire de fous, colonne c.
Problèmes : roi au centre, Be7 enfermé, Bc8 enfermé, arriéré b7, 3 pièces non développées (C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● b6+Bb7 — PRIORITÉ: libérer le Bc8 (b6+Bb7, ...Bf5)
● ...d5 — Rupture
● ...e5 — Rupture
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B98j — Najdorf Browne

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 h6 9.Bh4 Qc7 10.O-O-O Nbd7 11.Be2

Eval: [+0.92]

Les coups candidats

11…b5 — 36.6% (404 parties)

Ambassadeurs : Stepán, Josef (8x), Cvak, Rudolf (5x), Duenas, Alexis (5x), Grobler, David (5x), Tal, Mikhail (4x), Hollands, George E (4x), Pilarska, Lucyna (4x), Kostromin, Mikhail (4x)

11…Rb8 — 20.0% (221 parties)

Ambassadeurs : Bednarski, Jacek (9x), Nemet, Ivan (6x), Kover, Warner Bruce Prof Dr (5x), Wedberg, Tom (4x), Browne, Walter Shawn (4x), Planinec, Albin (4x), Tringov, Georgi P (3x), Bordas, Gyula (3x)

11…O-O — 19.0% (210 parties)

Ambassadeurs : Starodubtsev, Vasily Petrovich (6x), Khorunzhy, Mikhail Filippovich (5x), Ciciotti, Augusto Walter (5x), Shevchenko, Kirill (4x), Nordal, Sven (3x), Kempinski, Robert (3x), Bogner, Sebastian (3x), Almarza Mato, Carlos (3x)

11…g5 — 12.7% (140 parties)

Ambassadeurs : Skuhala, Luka (4x), Bobotsov, Milko G (3x), Burrows, Martin P (3x), Cabrera Suarez, Leandro Alberto (2x), Planinec, Albin (2x), Pokojowczyk, Jerzy (2x), Adamski, Jan (2x), Laurencena, Alberto (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	11…b5	11…Rb8	11…O-O	11…g5
<1800	22	59%	9%	18%	5%
1800-2200	357	46%	12%	24%	9%
2200-2600	502	32%	22%	19%	13%
2600+	13	23%	23%	31%	15%

Évolution par décennie (% des parties)

Décennie	N parties	11…b5	11…Rb8	11…O-O	11…g5
1950s	3	67%	—	—	33%
1960s	44	32%	43%	—	14%
1970s	85	16%	46%	—	28%
1980s	69	22%	32%	—	28%
1990s	63	33%	29%	—	19%
2000s	208	38%	20%	6%	15%
2010s	537	39%	12%	34%	8%
2020s	94	49%	18%	18%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
11…b5	39%	49%	▲ +9.5%
11…Rb8	12%	18%	▲ +6.2%
11…O-O	34%	18%	▼ -15.4%
11…g5	8%	4%	▼ -3.8%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 6 parties
Euwe, Max — 1 partie

Parties historiques

11…b5 — 36.6% (404 parties)

1957 — Keres, Paul vs Behrensen, Joern — 1-0 — Mar del Plata ARG
1959 — Klavins, Janis vs Tal, Mikhail — 0-1 — Riga LAT
1960 — Kostov, Petko vs Minev, Nikolay N — 1-0 — BUL-ch14 Sofia BUL
1960 — Johannessen, Svein vs Bech Johansson, Amadeus — 1-0 — Radio
1960 — Giustolisi, Alberto vs Attard, Wilfred — 1-0 — Madrid ESP

11…Rb8 — 20.0% (221 parties)

1961 — Witkowski, Stanislaw vs Drozd, Robert — 0-1 — Katowice ch18-POL
1962 — Georgescu, Vasile Sr vs Bednarski, Jacek — 1-0 — Marianske Lazne
1962 — Georgescu, Vasile-Maxim vs Drozd, Ryszard — 0-1 — Bucharest ROU
1964 — Gligoric, Sofija vs Bednarski, Jacek — 1-0 — Tel Aviv olm
1964 — Schmidt, Waldemar vs Vinagre Rios, Juan Antonio — 1-0 — Tel Aviv ol prel

11…O-O — 19.0% (210 parties)

2004 — Ruch, Eric vs Adriano, Mario N — 1/2-1/2 — ICCF Email
2006 — Rodríguez Pardo, Fernando vs Hasanagic, Alim — 1-0 — ICCF
2006 — Da Costa Junior, Luiz Roberto G vs Kuhne, Detlev — 1/2-1/2 — LSS
2008 — Benages Mabres, Valenti vs Catarineu Rabell, Manuel — 0-1 — ICCF
2008 — Reis, Luís Simões dos vs Kersic, Matej — 1/2-1/2 — ICCF

11…g5 — 12.7% (140 parties)

1956 — Pomar Salamanca, Arturo vs Franco Raymundo, Eduardo — 1/2-1/2 — Barcelona ESP
1960 — O'Hare, Eugene vs Abad Salazar, Cesar Enrique — 0-1 — Leipzig ol prel
1965 — Pietzsch, Wolfgang vs Bobotsov, Milko G — 1-0 — Leipzig Inter-1
1965 — Ivkov, Borislav vs Bobotsov, Milko G — 1/2-1/2 — Beverwijk NED
1966 — Cabrera Suarez, Leandro Alberto vs Bobotsov — 0-1 — Havana CUB

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● b7
Chaînes	—	● b7→a6, f7→e6, g7→h6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

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

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Be2	● Be2 Actif (mob. 5)
Bh4	● Bh4 Actif (mob. 5)
Be7		● Be7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	1 (h1)	3 (c8, a8, h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Au centre !
Droits de roque	—	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● e4-e5, ● f4-f5	● …d6-d5, ● …e6-e5

Partie
1957 Mar del Plata – Round 6 – Keres, Paul – 1-0 – Behrensen, Joern – G64 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. Be2 h6
1959 Riga – Round 1 – Klavins, Janis – 0-1 – Tal, Mikhail – G36 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. Be2 h6
1960 BUL-ch14 Sofia BUL – Round 8 – Kostov, Petko – 1-0 – Minev, Nikolay N – G32 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. O-O-O Nbd7
1960 Madrid zt – Round 1 – Giustolisi, Alberto – 1-0 – Attard, Wilfred – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. Be2 h6
1961 Third C.F.N.C. Experts Tournament – Round 5 – Osbun, Erik – 1/2-1/2 – Henry, Robert L – G5 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O h6 10. Bh4 Nbd7
1961 Utrecht – Round 4 – Perez Perez, Francisco Jose – 0-1 – Matanovic, Aleksandar – G20 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. O-O-O Nbd7
1962 Bucharest – Round 15 – Georgescu, Vasile-Maxim – 0-1 – Drozd, Ryszard – G78 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Qc7 10. Be2 Nbd7
1962 URS Ch sf Riga LAT – Round ? – Tukmakov, Vladimir B – 1-0 – Klimenok, M – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. O-O-O Nbd7
1964 Belgrade – Round 2 – Milic, Borislav – 1/2-1/2 – Gligorić, Svetozar – G18 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Qc7 10. O-O-O Nbd7
1964 Tel Aviv olm – Round 1 – Gligoric, Sofija – 1-0 – Bednarski, Jacek – G75 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Qc7 10. O-O-O Nbd7
1964 Tel Aviv olm prel – Round 3 – Zwaig, Arne – 1-0 – Bednarski, Jacek – G97 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. O-O-O Qc7
1965 Hoogovens – Round 6 – Ivkov, Borislav – 1/2-1/2 – Bobotsov, Milko G – G53 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. O-O-O Nbd7
1965 Leipzig Inter-1 – Round 6 – Pietzsch, Wolfgang – 1-0 – Bobotsov, Milko G – G23 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. O-O-O Nbd7
1965 POL Ch 22th – Round 1 – Fabian Henryk – 1/2-1/2 – Bednarski, Jacek B – G4 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. O-O-O Qc7
1965 POL Ch 22th – Round 12 – Filipowicz, Andrzej – 1-0 – Bednarski, Jacek B – G68 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Nbd7 10. O-O-O Qc7
1965 POL Ch 22th – Round 8 – Filipowicz, Andrzej – 1-0 – Drozd, Ryszard – G43 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. O-O-O Nbd7
1965 Zinnowitz GER – Round 12 – Spassov, Liuben – 0-1 – Bednarski, Jacek B – G23 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. O-O-O Qc7
1966 Bucharest Bucharest ROM – Round 1 – Pavlov, Mircea-Sergiu-Aurelian – 0-1 – Bednarski, Jacek B – G3 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. O-O-O Qc7
1966 La Habana olm prel – Round 1 – Cabrera Suarez, Leandro Alberto – 0-1 – Bobotsov, Milko G – G14 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. O-O-O Nbd7
1967 Havana Armies Ch 4th – Round 13 – Myagmarsuren, Lkhamsuren – 0-1 – Bednarski, Jacek B – G82 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. O-O-O Qc7
1967 Szczecin ch POL – Round 1 – Grabczewski, Romuald – 1/2-1/2 – Bednarski, Jacek B – G4 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. O-O-O Qc7
1968 Bristol ch-BCF – Round 1 – Hartston, William R – 1-0 – Alcozer Williams, Aure Manuel – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O h6 10. Bh4 Nbd7
1968 Lugano ol (Men) fin-A – Round 12 – Bednarski, Jacek – 0-1 – Evans Lianda – G68 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. O-O-O Nbd7
1969 Luhacovice – Round 1 – Jansa, Vlastimil – 0-1 – Smejkal, Jakub – G18 1. Nf3 c5 2. e4 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. O-O-O Qc7
1972 Skopje ol (Men) fin-A – Round 4 – Rubinetti, Jorge – 1-0 – Wirthensohn, Heinz – G239 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Qc7 10. O-O-O Nbd7
Bugojno 1980 – Round 7 – Tal, Mikhail – 1/2-1/2 – Ljubojevic, Ljubomir – G28 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. O-O-O Qc7
European Club Cup 2015 – Round 5.5 – Baron, Tal – 0-1 – Nepomniachtchi, Ian – G100 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Qc7 10. O-O-O Nbd7

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