B92o — Sicilian: Najdorf, 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Kh1

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Kh1 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte d5, avant-poste d5(C), Be2 actif, paire de fous, colonne d.
Faiblesses adverses : arriérés d6, b7, Be7 enfermé, Bc8 enfermé.
Problèmes : Bc1 enfermé.
Plans :
● Bg5 — Clouer Nf6
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte g4, paire de fous, colonne c.
Faiblesses adverses : Bc1 enfermé.
Problèmes : Be7 enfermé, Bc8 enfermé, arriérés d6, b7, 3 pièces non développées (B8, C8, A8).
Plans :
● ...Nbd7 — Développer Nb8
● ...Bf5 — Développer Bc8
● ...d5 — Rupture
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B92o — Najdorf

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Kh1

Eval: [+0.16]

Les coups candidats

9…b6 — 26.9% (877 parties)

Ambassadeurs : Ganguly, Surya Shekhar (13x), Martello, Juan (9x), Gelfand, Boris (8x), Palac, Mladen (8x), Roeder, Matthias (8x), Ghaem Maghami, Ehsan (7x), Prathamesh, Sunil Mokal (6x), Areshchenko, Alexander (6x)

9…Nc6 — 26.5% (864 parties) →

Ambassadeurs : Beckett, Phillip J (14x), Sutovsky, Emil (9x), Dervishi, Erald (8x), Budkin, Gennady Aleksandrovich (7x), Brunello, Marina (7x), Womacka, Mathias (7x), Sakaev, Konstantin (6x), Martello, Juan (6x)

9…Be6 — 15.9% (518 parties) →

Ambassadeurs : Danner, Georg (6x), Vogt, Lothar (5x), Zvara, Petr (4x), Dervishi, Erald (4x), Kolaric, Spela (4x), Palac, Mladen (3x), Hansen, Sune Berg (3x), Kuczynski, Robert (3x)

9…b5 — 13.0% (422 parties)

Ambassadeurs : Vogt, Lothar (7x), Cseshkovsky, Vitaly (5x), Pirttimaki, Timo (4x), Farova, Jana (4x), Van der Stricht, Geert (4x), Gufeld, Eduard (3x), Loginov, Valery A (3x), Rachela, Milan (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…b6	9…Nc6	9…Be6	9…b5
<1800	46	11%	46%	22%	9%
1800-2200	895	25%	29%	18%	14%
2200-2600	1844	30%	24%	15%	12%
2600+	140	29%	50%	3%	5%

Évolution par décennie (% des parties)

Décennie	N parties	9…b6	9…Nc6	9…Be6	9…b5
1950s	2	—	—	—	100%
1960s	3	—	—	—	33%
1970s	7	—	—	57%	29%
1980s	49	2%	8%	33%	45%
1990s	543	13%	11%	27%	18%
2000s	1428	33%	24%	14%	12%
2010s	1009	30%	37%	12%	10%
2020s	216	13%	37%	18%	10%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…b6	30%	13%	▼ -16.8%
9…Nc6	37%	37%	-0.0%
9…Be6	12%	18%	▲ +5.7%
9…b5	10%	10%	+0.1%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 7 parties
Ju, Wenjun — 7 parties
Anand, Viswanathan — 5 parties
Carlsen, Magnus — 4 parties
Kramnik, Vladimir — 3 parties
Hou, Yifan — 1 partie

Parties historiques

9…b6 — 26.9% (877 parties)

1980 — Ivanov, Igor V. vs Vera Gonzalez-Quevedo, Reynaldo — 0-1 — Cienfuegos City CUB
1993 — Francis P V vs Abdullah, AM. — 1-0 — Bratislava WchJM-U14
1995 — Solozhenkin, Evgeniy vs Saulin, Dmitri — 1-0 — Elista ch-RUS
1996 — Wallace, John Paul vs Dzevlan, Miralem — 0-1 — Stockholm SWE
1996 — Ehlvest, Jaan vs Lalic, Bogdan — 1/2-1/2 — Haarlem NED

9…Nc6 — 26.5% (864 parties)

1980 — Vogt, Lothar vs Schinzel, Wladyslaw — 1-0 — Warszawa Cup
1980 — Mestel, A Jonathan vs Sunye Neto, Jaime — 0-1 — Hastings ENG
1982 — Georgiev, Krum vs Inkiov, Ventzislav — 1/2-1/2 — BUL-ch Sofia BUL
1984 — Vogt, Lothar vs Chekhov, Valery A — 1/2-1/2 — Halle/Saale
1991 — Erenski, Przemyslaw vs ? — 0-1 — Poznan POL

9…Be6 — 15.9% (518 parties)

1973 — Valcarcel, Juan J vs Paz y Barriga, Gustavo Ing — 1/2-1/2 — PER
1978 — Klovans, Janis vs Cseshkovsky, Vitaly — 1/2-1/2 — USSR
1978 — Tarjan, James vs Bukic, Enver — 1/2-1/2 — Maribor
1978 — Tseshkovsky, Vitaly vs Petrushin, Alexander I — 1-0 — ?
1980 — Wittmann, Walter vs Pountzas, Hrisanthos — 1/2-1/2 — La Valetta

9…b5 — 13.0% (422 parties)

1951 — Belem, Humberto Luciano vs De Souza Mendes, Joao — 0-1 — Fortaleza BRA
1954 — Kalkstein vs Toran Albero, Roman — 0-1 — Montevideo URU
1964 — Lantsias, Andreas vs Rodriguez Vargas, Orestes — 0-1 — Tel Aviv ISR
1972 — Bricker, W. vs Lock, D. — 0-1 — Berkeley
1979 — Cseshkovsky, Vitaly vs Ubilava, Elizbar — 1-0 — Moscow RUS

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● d6, ● b7
Chaînes	—	● d6→e5, b7→a6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (3v1)	● g4 (2v1)
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (3v1)	● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Be2	● Be2 Actif (mob. 7)
Be7		● Be7 Enfermé (mob. 0)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	3 (b8, c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● h1	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● f2-f3	● …d6-d5

Partie
1951 BRA Ch – Round 1 – Belem, Humberto Luciano – 0-1 – De Souza Mendes, Joao – G2 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b5 10. a3 Bb7
1954 Montevideo – Round 4 – Kalkstein – 0-1 – Toran Albero, Roman – G51 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b5 10. Bg5 Nbd7
1962 Argentina – Round 7 – Bahamonde, Antonio – 1/2-1/2 – Incutto, Carlos – G38 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 Nbd7 10. f4 b5
22. ECU Club Cup 2006 – Round 5 – Riff, Jean-Noel – 1/2-1/2 – Areshchenko, Alexander – G118 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. Nd5 Nxd5
Amber Blindfold 2001 – Round 6 – Ivanchuk, Vasyl – 1/2-1/2 – Shirov, Alexei – G19 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. f3 Bb7
Amber Rapidplay 1999 – Round 6 – Anand, Viswanathan – 1-0 – Gelfand, Boris – G34 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. f3 Bb7
Amber-rapid 7th 1998 – Round 6 – Ivanchuk, Vasyl – 1-0 – Topalov, Veselin – G27 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. f3 Bb7
Corsica Masters KO 2005 – Round 3.2 – Adams, Michael – 0-1 – Anand, Viswanathan – G34 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. Be3 Bb7
Dortmund 1997 – Round 1 – Polgar, Judit – 1/2-1/2 – Gelfand, Boris – G3 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. Be3 Bb7
Dos Hermanas 1997 – Round 5 – Shirov, Alexei – 1/2-1/2 – Gelfand, Boris – G16 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. f4 Bb7
Dos Hermanas 1997 – Round 7 – Anand, Viswanathan – 1/2-1/2 – Gelfand, Boris – G27 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. Be3 Bb7
Dos Hermanas 1999 – Round 5 – Polgar, Judit – 0-1 – Topalov, Veselin – G21 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. a4 Bb7
FIDE-Wch k.o. 1999 – Round 3.2 – Psakhis, Lev – 1/2-1/2 – Topalov, Veselin – G93 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. a4 Bb7
It, Las Palmas ESP 1996 – Round 4 – Kasparov, Garry – 1/2-1/2 – Anand, Viswanathan – G6 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b5 10. a4 Bb7
It, Linares ESP 1997 – Round 3 – Kasparov, Garry – 1/2-1/2 – Gelfand, Boris – G1 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. Bg5 Bb7
Novgorod 1994 – Round 5 – Short, Nigel D – 0-1 – Kasparov, Garry – G16 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b5 10. Nd5 Nxd5
Turin ol (Men) 37th 2006 – Round 1 – Lutz, Christopher – 1-0 – Ophoff, Ja – G15 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. Be3 Nbd7
WCh-FIDE 2005 – Round 5 – Adams, Michael – 1/2-1/2 – Kasimdzhanov, Rustam – G10 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 Bd7 10. Bg5 Bc6
World Blitz 2009 – Round 3 – Jakovenko, Dmitry – 1-0 – Gelfand, Boris – G26 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. Be3 Bb7
World Blitz 2016 – Round 21.4 – Ivanchuk, Vasyl – 1/2-1/2 – Vachier-Lagrave, Maxime – G839 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. f3 Bb7
World Blitz 2016 – Round 9.13 – Ivanchuk, Vasyl – 1-0 – Wei, Yi – G348 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Kh1 b6 10. f3 Bb7

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