E92x - 7.d5 a5 8.Bg5 h6 9.Bh4 Na6 10.Nd2 Qe8 11.O-O Nh7 - Petrosian Stein Main Line [+0.22]

E92x — King’s Indian: Petrosian, Stein, Main Line, 10…Qe8 11.O-O Nh7

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 a5 8.Bg5 h6 9.Bh4 Na6 10.Nd2 Qe8 11.O-O Nh7 *   ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bBFou enfermé — mobilité 5
bQ
bR
bK
bP
bP
bPPion arriéré — cible
bBFou enfermé — mobilité 2
bN
bN
bP
bP
bP
bP
Case forte (2v1)
wPCase forte (3v0)
bP
wPCase forte (2v0)
wPCase forte (2v0)
wBFou actif — mobilité 5
wN
wP
wP
wN
wBFou actif — mobilité 4
wP
wP
wP
wR
wQ
wR
wK
abcdefgh
Avantages : case forte c4, case forte e4, case forte b5, case forte d5, Be2 actif, Bh4 actif, paire de fous.
Faiblesses adverses : arriéré f7, Bg7 enfermé, Bc8 enfermé.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wR
wP
wP
wP
wBMauvais fou (5/8 pions)
wN
wP
wP
wN
wB
wP
wP
Case forte (2v0)
Case forte (2v1)
bPCase forte (3v0)
wP
Avant-poste C (accessible)
bP
bP
bP
bP
bN
bN
bB
bP
bP
bP
bK
bR
bQ
bBFou actif — mobilité 5
bR
hgfedcba
Avantages : case forte b4, case forte c5, case forte e5, case forte g5, avant-poste c5(C), paire de fous.
Faiblesses adverses : Be2 mauvais fou.
Problèmes : Bg7 enfermé, Bc8 enfermé, arriéré f7.
Plans :
● ...Bf5 — Développer Bc8
● ...c6 — Rupture
● ...c5 — Rupture
● ...f6 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
E92x — Petrosian Stein Main Line
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 a5 8.Bg5 h6 9.Bh4 Na6 10.Nd2 Qe8 11.O-O Nh7
Eval: [+0.22]
Les coups candidats
12.a3 — 70.6% (746 parties)
Ambassadeurs : Naumkin, Igor (28x), Kasparov, Garry (8x), Hellsten, Johan (7x), Yanvarjov, Igor (7x), Aranaz Murillo, Amalia (7x), Khenkin, Igor (6x), Antoshin, Vladimir S (5x), Nedobora, Mikhail (5x)
12.f3 — 13.5% (143 parties)
Ambassadeurs : Sbarra, Marco (5x), Happel, Henk (4x), Petrova, Irina (3x), Fedorowicz, John (2x), Davydov, Sergey P. (2x), Walker, Ben (2x), Livshits, Ron (2x), Ignat, Diana (2x)
12.Kh1 — 6.2% (66 parties)
Ambassadeurs : Polak, Tomas (5x), Yuferov, Sergey N (3x), Hartikainen, Markku (2x), Norri, Joose (2x), Tzermiadianos, Andreas (2x), Leyva, Hector (2x), Kotronias, Vasilios (2x), Krasteva, Beloslava (2x)
12.b3 — 2.9% (31 parties)
Ambassadeurs : Rydholm, Lennart (2x), Torell, Torsten (2x), Cmilyte, Viktorija (2x), Kiemann, Steffen (1x), Bielicki, Birke (1x), Stiller, Patrick, Dr. (1x), Roos, Michael (1x), Fyllingen, Roy Harald (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 12.a3 12.f3 12.Kh1 12.b3
<1800 7 57% 14% 14% —
1800-2200 296 65% 17% 4% 3%
2200-2600 579 75% 11% 8% 2%
2600+ 15 93% 7% — —
Évolution par décennie (% des parties)
Décennie N parties 12.a3 12.f3 12.Kh1 12.b3
1960s 10 70% 20% 10% —
1970s 12 67% 8% 8% —
1980s 73 68% 18% 3% 3%
1990s 351 73% 10% 7% 3%
2000s 305 70% 13% 6% 3%
2010s 267 68% 17% 7% 2%
2020s 39 72% 13% — 5%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
12.a3 68% 72% ▲ +4.0%
12.f3 17% 13% ▼ -4.4%
12.Kh1 7% 0% ▼ -7.1%
12.b3 2% 5% ▲ +3.3%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 8 parties
Kramnik, Vladimir — 4 parties
Parties historiques
12.a3 — 70.6% (746 parties)
1961 — Antoshin, Vladimir S vs Khenkin, Igor — 1-0 — Moscow RUS
1967 — Gershman, Semion vs Zhidkov, Valery S — 1/2-1/2 — ?
1968 — Petrosian, Tigran V. vs Kottnauer, Cenek — 1-0 — Olympiad Lugano SUI
1968 — Petrosian, Tigran A. vs Kottnauer, Cenek — 1-0 — Lugano SUI
1969 — Udovcic, Mijo vs Hort, Vlastimil — 1-0 — Zagreb CRO
12.f3 — 13.5% (143 parties)
1968 — Incutto, Carlos vs Acosta Garcia, Rafael Isaac — 0-1 — Mar del Plata ch-ARG
1968 — Gligorić, Svetozar vs Geller, Efim P. — 1/2-1/2 — Sochi RUS
1978 — Lazarev, Efim M. vs Shvidenko — 1-0 — Kiev UKR
1982 — Flear, Glenn C vs Lewis, Andrew P — 1-0 — BCF-ch Torquay ENG
1983 — Trikaliotis, Georgios vs Grivas, Efstratios — 1/2-1/2 — Heraklion
12.Kh1 — 6.2% (66 parties)
1969 — Antoshin, Vladimir S vs Mukhin, Mikhail — 1-0 — Leningrad RUS
1978 — Panno, Oscar vs Fedorowicz, John — 1/2-1/2 — Lone Pine, CA USA
1987 — Schuetz, Thomas vs Visser, Dirk — 1/2-1/2 — GER
1987 — Schutz, Andrzej vs Petrushin, Aleksey Pav — 1-0 — GER
1993 — Norri, Joose vs Manninen, Marko — 1-0 — Helsinki Helsinki FIN
12.b3 — 2.9% (31 parties)
1985 — Rydholm, Lennart vs Torell, Torsten — 0-1 — corr Wcup
1989 — Rydholm, Lennart vs Torell, Torsten — 0-1 — SVE CUP corr
1991 — Kievelitz, Bernd vs Gerhardt, Frank — 1/2-1/2 — Germany ch-23 prel-6
1992 — Durao, Pedro vs Almeida, Jose T — 1-0 — Lisbon-ch Lisbon POR
1994 — Fyllingen, Roy Harald vs Djurhuus, Rune — 1-0 — Drammen
♔ Blancs ♚ Noirs
Pions doublés — —
Pions isolés — —
Arriérés — ● f7
Chaînes ● c4→d5, e4→d5 ● d6→e5, c7→d6, f7→g6
Passés — —
Majorité — —
Cases
♔ Blancs ♚ Noirs
Cases fortes ● c4 (2v0), ● e4 (2v0), ● b5 (2v1), ● d5 (3v0) ● b4 (2v0), ● c5 (2v0), ● e5 (3v0), ● g5 (2v1)
Cases faibles — —
Centre ● d5 (3v0), ● e4 (2v0) ● d4 (1v0), ● e5 (3v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Be2 ● Be2 Actif (mob. 4)
Bh4 ● Bh4 Actif (mob. 5)
Bg7 ● Bg7 Enfermé (mob. 2)
Bc8 ● Bc8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 1 (a1) 2 (c8, a8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Roqué ● Roqué
Droits de roque — —
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre fermé
Ruptures ● c4-c5, ● f2-f3 ● …c7-c6, ● …c7-c5, ● …f7-f6, ● …f7-f5
Partie
1968 Lugano olm - Round 1 - Petrosian, Tigran A. - 1-0 - Kottnauer, Cenek - G35
1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. O-O Qe8
1968 Mar del Plata ch-ARG – Round 7 – Incutto, Carlos – 0-1 – Acosta Garcia, Rafael Isaac – G48
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 Qe8
1968 Olympiad Lugano SUI – Round ? – Petrosian, Tigran V – 1-0 – Kottnauer, Cenek – G13
1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. O-O Qe8
1968 URS-JUG – Round 4 – Gligorić, Svetozar – 1/2-1/2 – Geller, Efim P – G8
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 a5 8. O-O Na6 9. Bg5 h6 10. Bh4 Qe8
1969 Danmarksmesterskabet – Round 10 – Brinck-Claussen, Bjorn – 1-0 – Jensen, Allan Astrup – G18
1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 O-O 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. O-O Qe8
1969 Leningrad – Round 1 – Antoshin, Vladimir S – 1-0 – Mukhin, Mikhail – G6
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. d5 a5 8. O-O Na6 9. Bg5 h6 10. Bh4 Qe8
1969 Zagreb – Round 12 – Udovcic, Mijo – 1-0 – Hort, Vlastimil – G83
1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Nf3 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 Qe8
Linares 1994 – Round 1 – Kramnik, Vladimir – 1/2-1/2 – Gelfand, Boris – G10
1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. O-O Qe8
Linares 1994 – Round 11 – Illescas Cordoba, Miguel – 1-0 – Gelfand, Boris – G62
1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. O-O Qe8
Madrid 1994 – Round 2 – Shirov, Alexei – 0-1 – Polgar, Judit – G9
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. O-O Qe8
Olympiad 2002 – Round 5 – Vallejo Pons, Francisco – 1-0 – Situru, Muhammad Ivan – G170
1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Qe8 10. Nd2 Na6
PCA/Intel-GP 1995 – Round 4 – Kramnik, Vladimir – 0-1 – Kasparov, Garry – G24
1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. O-O Qe8
World Cup 1989 – Round ? – Jussupow, Artur – 1-0 – Kasparov, Garry – G122
1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 Qe8

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