Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b4 (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	mobile
Ruptures	● d4-d5	● …c7-c5, ● …e6-e5, ● …f7-f5

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 mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bd3 (Fou actif (mobilité 5), Développer f1 — 92 % des parties) ; Bb5+ (Fou actif (mobilité 9), Développer f1 — 4 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...O-O (Mettre le roi en sécurité, connecter les tours — 87 % des parties) ; ...c5 (Frapper le centre adverse — 6 % des parties) ; ...Nd7 (Développer b8 — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

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

E12u — Petrosian, Kasparov (1982)

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

Les coups candidats

9…O-O — 87.0% (2040 parties)

Ambassadeurs : Agathiyan Susil (57x), Raessler, Arndt (22x), Arounopoulos, Stephan (19x), Nenciulescu, Silviu (14x), Pligin, Sergey Aleksandrovich (11x), Salzmann, Stefan (10x), Krasenkow, Michal (10x), Prchlý, Milos (9x)

9…c5 — 6.5% (152 parties)

Ambassadeurs : Szabolcsi, Janos (2x), Broman, Hannu (2x), Karolyi, Tibor (1x), Salov, Valery (1x), Novikov, Igor (1x), Tarnai, K. (1x), Penakov, C. (1x), ? (1x)

9…Nd7 — 6.4% (150 parties)

Ambassadeurs : Bakheet Farag (3x), Sargissian, Gabriel (3x), Pantzar, Milton (3x), Pigott, John C (2x), Dewald, Hans (2x), Lucasciuc-Horotan, Aurel-Mircea (1x), Reinecker, Kai (1x), Ostenstad, Berge (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	73	90%	7%	3%	—
1800-2200	756	85%	6%	8%	—
2200-2600	1227	87%	8%	5%	0%
2600+	89	93%	—	7%	—

Évolution par décennie (% des parties)

Décennie	N parties	9…O-O	9…c5	9…Nd7	9…Qc8
1980s	125	83%	10%	7%	—
1990s	204	74%	13%	13%	0%
2000s	813	89%	6%	6%	—
2010s	989	90%	5%	4%	0%
2020s	215	82%	7%	11%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…O-O	90%	82%	▼ -7.6%
9…c5	5%	7%	▲ +1.5%
9…Nd7	4%	11%	▲ +6.3%
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
Karpov, Anatoly — 1 partie
Kramnik, Vladimir — 1 partie
Ju, Wenjun — 1 partie
Gukesh D — 1 partie

Parties historiques

9…O-O — 87.0% (2040 parties)

1981 — Szeles, Karoly vs Czeripp, Gyorgy — 1/2-1/2 — Budapest HUN
1982 — Portisch, Lajos vs Christiansen, Larry — 1-0 — London ENG
1982 — Novikov, Igor vs Giorgadze, Giorgi Gel — 1-0 — Leningrad RUS
1982 — Stempin, Pawel vs Tischbierek, Raj — 1-0 — Houstka
1982 — Nemet, Ivan vs Perman, Torvald — 0-1 — Zurich SUI

9…c5 — 6.5% (152 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, Aidan — 1-0 — BCF Counties Corr

9…Nd7 — 6.4% (150 parties)

1982 — Gelfand, Boris vs Veremeichik, Vladimir — 0-1 — Minsk BLR
1984 — Ivanov, Igor V. vs Lein, Anatoly — 0-1 — New York op New York, NY USA
1984 — Ivanov , Ivan St vs Lein, Andreas — 0-1 — New York, NY USA
1984 — Twardon, Marian vs Kostyra, Stanislaw — 1/2-1/2 — Brno CZE
1988 — Ostenstad, Berge vs Kristiansen, Erling — 1/2-1/2 — Arnold Cup Gausdal NOR

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