E12u — Queen’s Indian: Petrosian, Kasparov, 7…Nxc3 8.bxc3 Be7 9.e4

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 Nxd5 7.Qc2 Nxc3 8.bxc3 Be7 8.e4 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité centre (2v1), case forte b4, case forte d4, case forte e5, case forte g5, paire de fous, colonne b.
Faiblesses adverses : arriéré c7, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, arriéré c3, isolé a3, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Be3 — Développer Bc1
● Bd3 — Développer Bf1
● h3 — Empêcher ...Bg4
● Rb — Tour sur colonne b

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité aile_dame (3v2), Bb7 actif, Be7 actif, paire de fous, colonne d.
Faiblesses adverses : arriéré c3, isolé a3, Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, arriéré c7, 3 pièces non développées (B8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nbd7 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c6 — Rupture
● ...c5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E12u — Petrosian Kasparov

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 Nxd5 7.Qc2 Nxc3 8.bxc3 Be7 8.e4

Eval: [+0.10]

Les coups candidats

9…O-O — 87.5% (2017 parties)

Ambassadeurs : Susla, Vitaliy (54x), Arounopoulos, Stephan (19x), Krasenkow, Michal (18x), Räßler, Arndt (14x), Nenciulescu, Silviu (13x), Dorer, Manfred (13x), Fedorchuk, Sergey A. (13x), Pligin, Sergey Aleksandrovich (11x)

9…c5 — 6.3% (145 parties)

Ambassadeurs : Szabolcsi, Janos (2x), Broman, Hannu (2x), Garcia Jones, Lorenzo Alfredo (1x), Ballmann, Martin (1x), Farago, Sandor (1x), Mischustov, Michael (1x), Van den Brink, Peter (1x), Lemmers, Oscar (1x)

9…Nd7 — 6.1% (140 parties)

Ambassadeurs : Sargissian, Gabriel (3x), Pantzar, Milton (3x), Maduekwe, Chiedu (2x), Kustar, Sandor (2x), Papin, Vasily (2x), Dewald, Hans (2x), Bruederle, Konrad (1x), Holzvoigt Gerhard (1x)

9…Qc8 — 0.1% (2 parties)

Ambassadeurs : Priehoda, Vitezslav (1x), Debnar, Lubos (1x), Franco Ocampos, Zenon (1x), Mabusela, Johannes Manyedi (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…O-O	9…c5	9…Nd7	9…Qc8
<1800	27	93%	4%	4%	—
1800-2200	573	85%	7%	8%	—
2200-2600	1364	88%	7%	5%	0%
2600+	98	94%	—	6%	—

Évolution par décennie (% des parties)

Décennie	N parties	9…O-O	9…c5	9…Nd7	9…Qc8
1980s	122	84%	10%	7%	—
1990s	204	74%	13%	13%	0%
2000s	808	89%	6%	6%	—
2010s	987	90%	5%	4%	0%
2020s	185	86%	5%	9%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…O-O	90%	86%	▼ -3.5%
9…c5	5%	5%	▼ -0.5%
9…Nd7	4%	9%	▲ +4.3%
9…Qc8	0%	0%	-0.1%

Joueurs célèbres

Champions du monde dans cette position

Carlsen, Magnus — 4 parties
Kasparov, Garry — 2 parties
Anand, Viswanathan — 2 parties
Kramnik, Vladimir — 1 partie
Karpov, Anatoly — 1 partie
Ju, Wenjun — 1 partie
Gukesh D — 1 partie

Parties historiques

9…O-O — 87.5% (2017 parties)

1981 — Szeles, Karoly vs Czeripp, Gyorgy — 1/2-1/2 — Budapest HUN
1982 — Portisch, Lajos vs Christiansen, Larry — 1-0 — London ENG
1982 — Portisch, Lajos vs Christiansen, Larry — 1-0 — London ENG
1982 — Novikov, Igor vs Giorgadze, Tamaz — 1-0 — Leningrad RUS
1982 — Stempin, Pawel vs Tischbierek, Raj — 1-0 — Houstka

9…c5 — 6.3% (145 parties)

1982 — Szabolcsi, Janos vs Karolyi, Tibor — 1-0 — HUN-ch+ Budapest HUN
1982 — Salov, Valery vs Novikov, Igor — 1/2-1/2 — Kislovodsk
1982 — ? vs Litynska, Marta — 1/2-1/2 — Kislovodsk
1985 — Tarnai, K. vs Penakov, C. — 1-0 — cr.
1985 — Donnelly, Mike J Dr vs Berry Desmoriaux, Alban — 1-0 — BCF Counties Corr

9…Nd7 — 6.1% (140 parties)

1982 — Gelfand, Boris vs Veremeichik, Vladimir — 0-1 — Minsk BLR
1984 — Twardon, Marian vs Kostyra, Stanislaw — 1/2-1/2 — Brno CZE
1984 — Ivanov, Igor V. vs Lein, Anatoly — 0-1 — New York op New York, NY USA
1988 — Riemer, Wolfgang vs Valeriani, Domenico — 1/2-1/2 — ICCF WT/M/GT/242
1988 — Fauland, Alexander vs Habibi, Ali — 1-0 — Nagykanizsa

9…Qc8 — 0.1% (2 parties)

1991 — Priehoda, Vitezslav vs Debnar, Lubos — 0-1 — SVK-ch Trencin
2018 — Franco Ocampos, Zenon vs Mabusela, Johannes Manyedi — 1-0 — Batumi GEO

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	● a3	—
Arriérés	● c3	● c7
Chaînes	● c3→d4	● a7→b6, c7→b6, f7→e6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b4 (2v1), ● d4 (2v1), ● e5 (2v0), ● g5 (2v1)	—
Cases faibles	—	—
Centre	● d4 (2v1), ● e5 (2v0)	● d5 (3v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● b	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 6)
Bf1	● Bf1 Non développé (mob. 5)
Bb7		● Bb7 Actif (mob. 5)
Be7		● Be7 Actif (mob. 8)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, a1, h1)	3 (b8, 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	semi-ouvert
Ruptures	● c3-c4, ● d4-d5, ● e4-e5	● …c7-c6, ● …c7-c5, ● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
36. Olympiad 2004 – Round 14 – Sokolov , Ivan – 1/2-1/2 – Hracek, Zbynek – G501 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
5. Kings Tournament 2011 – Round 8 – Nakamura, Hikaru – 1/2-1/2 – Karjakin, Sergey – G22 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
Amber Rapid 2005 – Round 6 – Gelfand, Boris – 1/2-1/2 – Ivanchuk, Vasyl – G17 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
Amber Rapidplay 1999 – Round 2 – Gelfand, Boris – 1/2-1/2 – Lautier, Joel – G9 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
Corus 2002 – Round 2 – Kasimdzhanov, Rustam – 1/2-1/2 – Gelfand, Boris – G12 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
FIDE World Blitz Championship 2014 – Round 17.8 – Wojtaszek, Radoslaw – 1/2-1/2 – Eljanov, Pavel – G164 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Be7 8. e4 Nxc3 9. bxc3 O-O 10. Bd3 c5
FIDE World Cup 2017 – Round 1.1 – Wojtaszek, Radoslaw – 1-0 – El Debs, Felipe de Cresce – G21 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Be7 8. e4 Nxc3 9. bxc3 O-O 10. Bd3 c5
FIDE-Wch k.o. 1999 – Round 1.1 – Gurevich, Dmitry – 1/2-1/2 – Tiviakov, Sergei – G13 1. Nf3 Nf6 2. c4 b6 3. Nc3 Bb7 4. d4 e6 5. a3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
FIDE-Wch k.o. g/25+10 1999 – Round 1.4 – Gurevich, Dmitry – 1/2-1/2 – Tiviakov, Sergei – G8 1. Nf3 Nf6 2. c4 b6 3. Nc3 Bb7 4. d4 e6 5. a3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
GMA 2003 – Round 3 – Krasenkow, Michal – 1/2-1/2 – Ponomariov, Ruslan – G14 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
GMA 2003 – Round 8 – Krasenkow, Michal – 1/2-1/2 – Polgar, Judit – G48 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
GMA 2004 – Round 4 – Sokolov , Ivan – 1/2-1/2 – Leko, Peter – G23 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
It 2003 – Round 3 – Radjabov, Teimour – 1/2-1/2 – Leko, Peter – G7 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
NAO Masters 2002 – Round 7 – Lautier, Joel – 1/2-1/2 – Leko, Peter – G32 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
Phillips&Drew 1982 – Round ? – Portisch, Lajos – 1-0 – Christiansen, Larry – G48 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Be7 8. e4 Nxc3 9. bxc3 O-O 10. Bd3 c5
Qatar Masters Open 2015 – Round 1.10 – Tabatabaei Bafghi, Mohammad – 1/2-1/2 – Jakovenko, Dmitry – G2 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
Rotterdam tt 1988 – Round 2.5 – Piket, Jeroen – 1/2-1/2 – Lau, Ralf – G20 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. Qc2 Be7 8. e4 Nxc3 9. bxc3 O-O 10. Bd3 c5
Tal Memorial 2006 – Round 9 – Ponomariov, Ruslan – 1/2-1/2 – Leko, Peter – G36 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
TCh-RUS 2005 – Round 10 – Yakovich, Yuri – 0-1 – Aronian, Levon – G172 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
TCh-RUS 2008 – Round 11 – Krasenkow, Michal – 1-0 – Romanov, Egor S. – G315 1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Be7 8. e4 Nxc3 9. bxc3 O-O 10. Bd3 c5
World Blitz 2007 – Round 17 – Carlsen, Magnus – 1/2-1/2 – Leko, Peter – G163 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
World Blitz 2015 – Round 10.60 – Lenic, Luka – 1-0 – Ehlvest, Jaan – G644 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Nf3 e6 5. a3 d5 6. cxd5 Nxd5 7. Qc2 Be7 8. e4 Nxc3 9. bxc3 O-O 10. Bd3 c5
World Blitz 2017 – Round 18.58 – Omar, Noaman – 0-1 – Salgado Lopez, Ivan – G964 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. Qc2 Be7 7. cxd5 Nxd5 8. e4 Nxc3 9. bxc3 O-O 10. Bd3 c5
World Blitz 2022 – Round 12.48 – Agmanov, Zhandos – 1/2-1/2 – Hansen, Eric – G649 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Be7 8. e4 Nxc3 9. bxc3 Nd7 10. Bd3 c5
World Blitz 2022 – Round 19.11 – Yu, Yangyi – 1-0 – Makhnev, Denis – G994 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 d5 6. Qc2 Be7 7. cxd5 Nxd5 8. e4 Nxc3 9. bxc3 O-O 10. Bd3 c5
World Cup 1988 – Round 1 – Kasparov, Garry – 1/2-1/2 – Ribli, Zoltan – G24 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. Qc2 Be7 8. e4 Nxc3 9. bxc3 O-O 10. Bd3 c5
XX SuperGM 2003 – Round 1 – Radjabov, Teimour – 0-1 – Leko, Peter – G2 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
XX SuperGM 2003 – Round 5 – Radjabov, Teimour – 1/2-1/2 – Anand, Viswanathan – G13 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5
XXI SuperGM 2004 – Round 5 – Kasparov, Garry – 1/2-1/2 – Kramnik, Vladimir – G13 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Be7 9. e4 O-O 10. Bd3 c5

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