E05t — Catalan: Open, Classical, 8.Qxc4, 10.Bd2 Be4

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 6.O-O O-O 7.Qc2 a6 8.Qxc4 b5 9.Qc2 Bb7 10.Bd2 Be4 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte f4….

Atouts. Les Blancs s'appuient sur une majorité de pions à l'centre (2 contre 1), les cases fortes f4, c5, e5 et g5, un fou actif en d2, la paire de fous et la colonne semi-ouverte c.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1 et la tour a1).

Plans. Nc3 (Développer Nb1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte d5.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), les cases fortes d5 et f5, un avant-poste en d5, des fous actifs en e4 et e7, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Le fou enfermé en g2 et une pièce en prise (la dame en c2).

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8 et la tour a8).

Plans. ...Nbd7 (Développer Nb8) ; ...c6 (Rupture) ; ...c5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● a6→b5, f7→e6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● c5 (2v1), ● e5 (2v0), ● g5 (2v0)	● d5 (4v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● e5 (2v0)	● d5 (4v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bd2	● Bd2 Actif (mob. 9)
Bg2	● Bg2 Enfermé (mob. 2)
Be4		● Be4 Actif (mob. 8)
Be7		● Be7 Actif (mob. 4)
Paire de fous	● Oui	● Oui
Non développées	2 (● b1, ● a1)	2 (● b8, ● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …e6-e5

Partie
19. Amber Blindfold 2010 – Round 9 – Dominguez Perez, Leinier – 1/2-1/2 – Carlsen, Magnus – G29 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
20. European Teams 2015 – Round 4.12 – Stefansson, Hannes – 0-1 – Vocaturo, Daniele – G159 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
36. Olympiad 2004 – Round 1 – Avrukh, Boris – 1-0 – Solomon, Kenneth Terence – G10 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
4. Kings Tournament 2010 – Round 2 – Wang, Yue(SH) – 1/2-1/2 – Ponomariov, Ruslan – G5 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
41. Olympiad Open 2014 – Round 2.8 – Wang, Yue(SH) – 1/2-1/2 – Dervishi, Erald – G162 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. d4 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
6. London Classic 2014 – Round 5.1 – Giri, Anish – 1/2-1/2 – Kramnik, Vladimir – G10 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
63. ch-USA 2019 – Round 4.2 – Caruana, Fabiano – 1/2-1/2 – Dominguez Perez, Leinier – G20 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
80. Tata Steel GpA 2018 – Round 8.5 – Kramnik, Vladimir – 1/2-1/2 – So, Wesley – G47 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
81. Tata Steel GpA 2019 – Round 10.6 – Shankland, Sam – 1/2-1/2 – Radjabov, Teimour – G62 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
81. Tata Steel GpA 2019 – Round 6.4 – Ding, Liren – 1/2-1/2 – Radjabov, Teimour – G34 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. c4 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
84. Tata Steel Masters 2022 – Round 6.4 – Dubov, Daniil – 1/2-1/2 – Esipenko, Andrey – G38 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. c4 dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Amber Blindfold 2004 – Round 3 – Ivanchuk, Vasyl – 1-0 – Gelfand, Boris – G9 1. c4 Nf6 2. d4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Amber Rapid 2004 – Round 6 – Bareev, Evgeny – 1-0 – Shirov, Alexei – G17 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Amber-rapid 13th 2004 – Round 11 – Gelfand, Boris – 1/2-1/2 – Anand, Viswanathan – G26 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Baku FIDE Grand Prix 2014 – Round 10.1 – Gelfand, Boris – 1-0 – Radjabov, Teimour – G52 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
BGN World Championship 2000 – Round 15 – Kasparov, Garry – 1/2-1/2 – Kramnik, Vladimir – G6 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Candidats sf1 1983 – Round 4 – Korchnoi, Viktor – 1/2-1/2 – Kasparov, Garry – G4 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Dortmund 1995 – Round 4 – Piket, Jeroen – 1/2-1/2 – Karpov, Anatoly – G15 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Euwe Memorial 1989 – Round 3 – Salov, Valery – 1/2-1/2 – Short, Nigel D – G7 1. d4 e6 2. Nf3 Nf6 3. c4 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
FIDE GP 2010 – Round 10 – Mamedyarov, Shakhriyar – 1/2-1/2 – Ponomariov, Ruslan – G62 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
FIDE Grand Prix 3 Pool A 2022 – Round 1.1 – Esipenko, Andrey – 1/2-1/2 – Oparin, Grigoriy – G1 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
FIDE Grand Swiss 2025 – Round 6 – Erdogmus Yagiz Kaan – 1/2-1/2 – Mamedyarov Shakhriyar – G296 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
FIDE WCh KO 2001 – Round 5.1 – Gelfand, Boris – 1/2-1/2 – Svidler, Peter – G325 1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
FIDE World Cup 2015 – Round 1.2 – Vidit, Santosh Gujrathi – 1/2-1/2 – Bruzon Batista, Lazaro – G80 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
FIDE World Cup 2019 – Round 2.3 – Sjugirov, Sanan – 1/2-1/2 – Radjabov, Teimour – G263 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
FIDE World Cup 2025 – Round R4 Classical 2 – Rapport Richard – 1/2-1/2 – Sam Shankland – G565 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 d5 7. e5 e6 8. d4 cxd4 9. cxd4 Bb4 10. a3 Ba5
FIDE-Wch k.o. 1999 – Round 2.2 – Nielsen, Peter Heine – 1/2-1/2 – Polgar, Judit – G58 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Interpolis 1982 – Round 1 – Sosonko, Gennadi – 1/2-1/2 – Karpov, Anatoly – G15 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Lindores Abbey Tal Memorial 2021 – Round 17.14 – Adly, Ahmed – 0-1 – Deac, Bogdan-Daniel – G717 1. d4 Nf6 2. Nf3 d5 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. c4 dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Moskou ch-URS 1988 – Round 1 – Jussupow, Artur – 1/2-1/2 – Vaganian, Rafael A – G24 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Novgorod 3rd 1996 – Round 6 – Ivanchuk, Vasyl – 1/2-1/2 – Short, Nigel D – G3 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Qatar Masters Open 2015 – Round 8.13 – Jakovenko, Dmitry – 1/2-1/2 – Naroditsky, Daniel – G260 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Renova FIDE GP Zug 2013 – Round 3.4 – Giri, Anish – 1/2-1/2 – Radjabov, Teimour – G16 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Superbet Classic 2022 – Round 3.1 – Caruana, Fabiano – 1/2-1/2 – So, Wesley – G11 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Tal Memorial 2009 – Round 7 – Ponomariov, Ruslan – 1/2-1/2 – Leko, Peter – G27 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Tal Memorial 2009 – Round 8 – Aronian, Levon – 1/2-1/2 – Ivanchuk, Vasyl – G33 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Tal Memorial Blitz 2008 – Round 2 – Grischuk, Alexander – 1/2-1/2 – Karpov, Anatoly – G13 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Tata Steel India Blitz 2019 – Round 5.5 – Giri, Anish – 1-0 – Aronian, Levon – G25 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Tata Steel India Blitz 2019 – Round 6.5 – So, Wesley – 1/2-1/2 – Saini Vidit – G30 1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
TCh-RUS 2005 – Round 11 – Filippov, Vladimir Al. – 1/2-1/2 – Kiriakov, Petr – G186 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Tilburg 1983 – Round ? – Sosonko, Gennadi – 1/2-1/2 – Karpov, Anatoly – G7 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
WCh 2007 – Round 12 – Kramnik, Vladimir – 1-0 – Leko, Peter – G31 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
WCh 2007 – Round 6 – Aronian, Levon – 1/2-1/2 – Kramnik, Vladimir – G16 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
WCh Candidates 2011 – Round 1.2 – Kramnik, Vladimir – 1/2-1/2 – Radjabov, Teimour – G5 1. d4 d5 2. c4 e6 3. Nf3 Be7 4. g3 Nf6 5. Bg2 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
World Blitz 2009 – Round 40 – Leko, Peter – 1/2-1/2 – Karpov, Anatoly – G415 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
World Blitz 2022 – Round 5.22 – Cheparinov, Ivan – 1-0 – Yoo, Christopher Woojin – G246 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
World Blitz 2022 – Round 9.13 – Cheparinov, Ivan – 0-1 – Lazavik, Denis – G454 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
World Blitz 2023 – Round 2.35 – Suleymenov, Alisher – 1/2-1/2 – Lazavik, Denis – G112 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
World Blitz 2023 – Round 4.26 – Korobov, Anton – 1/2-1/2 – Zilka, Stepan – G223 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
World Blitz 2023 – Round 6.32 – Suleymenov, Alisher – 0-1 – Petrosyan, Manuel – G350 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
World Championship 2007 – Round 10 – Gelfand, Boris – 1/2-1/2 – Leko, Peter – G13 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
World Championship 31th-KK1 1984 – Round 8 – Kasparov, Garry – 1/2-1/2 – Karpov, Anatoly – G4 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
XXVI SuperGM 2009 – Round 1 – Aronian, Levon – 1/2-1/2 – Carlsen, Magnus – G1 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4
Zuerich Chess Challenge 2013 – Round 4.2 – Gelfand, Boris – 1/2-1/2 – Kramnik, Vladimir – G8 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4

E05t — Open Classical

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 6.O-O O-O 7.Qc2 a6 8.Qxc4 b5 9.Qc2 Bb7 10.Bd2 Be4

Les coups candidats

11.Qc1 — 98.0% (3468 parties)

Ambassadeurs : Pigusov, Evgeny (24x), Wosch, Arkadiusz (22x), Mason, Ian J (21x), Suba, Mihai (20x), Karpov, Anatoly (17x), Sosonko, Gennadi (12x), Rozentalis, Eduardas (12x), Beliavsky, Alexander G (11x)

11.Qb3 — 1.5% (53 parties)

Ambassadeurs : Pieniazek, Artur (4x), Brazdzionis, Andrius (4x), Nikolovski, Nikola (4x), Bronowicki, Mateusz (3x), Gryson, Wouter (2x), Bugalski, Michal (2x), Dombrowski, Bartosz (2x), Roeder, Matthias (2x)

11.Qd1 — 0.5% (16 parties)

Ambassadeurs : Stark, Rainer (2x), Sosonko, Gennadi (1x), Karpov, Aleksandr (1x), Bezerra, Zeomax (1x), Ngu Daniel (1x), Braun, Peter (1x), Rau, Hannes (1x), Zayas Sosa, Alfredo (1x)

11.Qc3 — 0.1% (2 parties)

Ambassadeurs : Ajiri Norman Roger (1x), Martin, William (1x), Migot, Tangi (1x), Delalee, Paul (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	11.Qc1	11.Qb3	11.Qd1	11.Qc3
<1800	30	93%	3%	3%	—
1800-2200	968	98%	2%	1%	0%
2200-2600	2120	98%	2%	0%	—
2600+	196	99%	—	1%	—

Évolution par décennie (% des parties)

Décennie	N parties	11.Qc1	11.Qb3	11.Qd1	11.Qc3
1970s	6	100%	—	—	—
1980s	189	99%	—	1%	—
1990s	158	98%	1%	—	1%
2000s	758	98%	2%	1%	—
2010s	2041	98%	2%	0%	0%
2020s	387	98%	2%	1%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
11.Qc1	98%	98%	-0.0%
11.Qb3	2%	2%	-0.1%
11.Qd1	0%	1%	+0.1%
11.Qc3	0%	0%	-0.0%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 10 parties
Hou, Yifan — 10 parties
Kramnik, Vladimir — 9 parties
Kasparov, Garry — 3 parties
Karpov, Aleksandr — 3 parties
Carlsen, Magnus — 3 parties
Anand, Viswanathan — 2 parties
Ju, Wenjun — 2 parties
Ding, Liren — 2 parties

Parties historiques

11.Qc1 — 98.0% (3468 parties)

1978 — Sosonko, Gennadi vs Huebner, Robert — 1/2-1/2 — Nijmegen NED
1979 — Smejkal, Jakub vs Lein, Andreas — 1-0 — Amsterdam NED
1979 — Sosonko, Gennadi vs Stean, Michael F — 1/2-1/2 — Amsterdam NED
1979 — Sosonko, Gennadi vs Karpov, Anatoly — 0-1 — Waddinxveen NED
1979 — Sosonko, Gennadi vs Karpov, Anatoly — 0-1 — Waddinxveen

11.Qb3 — 1.5% (53 parties)

1992 — Roos, Celine vs Kovacs Ar — 1/2-1/2 — First Saturday
1999 — Hoffmann, Michael vs Schebler, Gerhard — 1/2-1/2 — Hotel Irottko GM
2005 — Lodde, Martin vs Beckmann, Klaus — 1/2-1/2 — GER
2006 — Sega, Carlos Alberto vs Van Riemsdijk, Herman C. — 0-1 — Santos BRA
2007 — Deepan Chakkravarthy J. vs Bakre, Tejas — 1/2-1/2 — Kolkata IND

11.Qd1 — 0.5% (16 parties)

1982 — Sosonko, Gennadi vs Karpov, Aleksandr — 1/2-1/2 — Tilburg NED
2002 — Stark, Rainer vs Braun, Peter — 0-1 — Schwaebisch Gmuend
2002 — Stark, Rainer vs Rau, Hannes — 1/2-1/2 — Schwaebisch Gmuend
2004 — Bezerra, Zeomax vs Ngu Daniel — 0-1 — ?
2008 — Aymard, Michel vs Bjazevic Montalvo, Pavao — 0-1 — ICCF

11.Qc3 — 0.1% (2 parties)

1995 — Ajiri Norman Roger vs Martin, William — 1-0 — corr IECC KO
2010 — Migot, Tangi vs Delalee, Paul — 1/2-1/2 — Guingamp-Pabu FRA