D45s — Semi-Slav: 6.Qc2 Bd6 7.b3 O-O 8.Be2 b6

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2 Bd6 7.b3 O-O 8.Be2 b6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Mettre le roi à l'abri (O-O dans 86 % des parties).

Côté adverse. Un mauvais fou en c8.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours — 86 % des parties) ; Bb2 (Fianchetto, fou sur la grande diagonale — 13 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter l'avant-poste e4.

Atouts. Les Noirs s'appuient sur un avant-poste en e4 et un fou actif en d6.

Côté adverse. Le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...Bb7 (Fianchetto, fou sur la grande diagonale — 98 % des parties) ; ...Qe7 (Pression sur colonne e — 1 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→e3, b3→c4, e3→d4	● c6→d5, e6→d5, a7→b6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	● e4	● e5
Centre	● d4 (2v0)	● d5 (3v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 3)
Be2	● Be2 Ok (mob. 3)
Bd6		● Bd6 Actif (mob. 10)
Bc8		● Bc8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	3 (● c1, ● a1, ● h1)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Roqué
Droits de roque	O-O / O-O-O	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5, ● e3-e4	● …c6-c5, ● …e6-e5

Partie
19. European Teams 2013 – Round 6.7 – Kozul, Zdenko – 1/2-1/2 – Korneev, Oleg – G230 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
1951 Hungary Ch – Round 1 – Kluger, Gyula – 1/2-1/2 – Negyesy, Gyorgy – G13 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Rc8
1952 Havana – Round 17 – Najdorf, Miguel – 1-0 – Cobo Arteaga, Eldis – G131 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Nbd7 5. e3 c6 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. e4 dxe4
1962 GDR Ch Gera GER – Round 12 – Fuchs, Reinhart – 1/2-1/2 – Zinn, Lothar – G19 1. d4 d5 2. Nf3 c6 3. c4 e6 4. e3 Nd7 5. Qc2 Bd6 6. Nc3 Ngf6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Rc8
1965 DDR Ch 15th – Round 1 – Golz, Werner – 1/2-1/2 – Hennings, Artur – G1 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Nf3 Nbd7 5. e3 c6 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. e4 dxe4
1965 Zinnowitz 02nd – Round 4 – Kozma, Julius – 1/2-1/2 – Hennings, Artur – G9 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. e4 dxe4
1966 Malmo – Round 3 – Horberg, Bengt-Eric – 1-0 – Werle, Allan – G4 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. b3 b6 9. Bb2 Bb7 10. O-O Rc8
1969 Schwerin – Round 10 – Baumbach, Friedrich, Dr. – 1/2-1/2 – Boehnisch, Manfred – G74 1. c4 c6 2. Nf3 Nf6 3. Nc3 d5 4. e3 e6 5. d4 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O dxc4 10. bxc4 e5
2024 Superbet Chess Blitz – Round 1 – Giri Anish – 1/2-1/2 – Erigaisi Arjun – G5 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
2024 Superbet Chess Classic - Round 5 - Giri Anish - 1/2-1/2 - Firouzja Alireza - G24 1. d4 1... Nf6 2. c4 2... e6 3. Nf3 3... d5 4. Nc3 4... c6 5. e3 5... Nbd7 6. Qc2 6... Bd6 7. b3 7... O-O 8. Be2 8... b6 9. O-O 9... Bb7 10. Bb2 10... Qe7
30. ECC Open 2014 – Round 5.1 – Korobov, Anton – 1-0 – Georgiev, Kiril – G96 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. b3 b6 9. Bb2 Bb7 10. O-O Qe7
4. World Blitz 2008 – Round 4 – Sasikiran, Krishnan – 0-1 – Gelfand, Boris – G21 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
42. Olympiad 2016 – Round 11.5 – Hammer, Jon Ludvig – 1/2-1/2 – Adhiban, B. – G806 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Rc8
42. Olympiad 2016 – Round 3.8 – Flores, Diegoego – 1/2-1/2 – Robson, Ray – G232 1. c4 c6 2. Nf3 d5 3. d4 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
42. Olympiad 2016 – Round 4.5 – Moroni, Leonardo – 1/2-1/2 – Wei, Yi – G299 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
6. Zurich Opening Blitz 2017 – Round 1.1 – Pelletier, Yannick – 0-1 – Gelfand, Boris – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
83. Tata Steel Masters 2021 – Round 6.6 – Esipenko, Andrey – 1/2-1/2 – Giri, Anish – G44 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
84. Tata Steel Masters 2022 – Round 11.5 – Praggnanandhaa R – 0-1 – Caruana, Fabiano – G73 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
Amber-rapid 15th 2006 – Round 11 – Gelfand, Boris – 1-0 – Nielsen, Peter Heine – G14 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
Corus A 2009 – Round 4 – Carlsen, Magnus – 1/2-1/2 – Aronian, Levon – G23 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. Bb2 Qe7 10. O-O Bb7
Corus A 2010 – Round 13 – Van Wely, Loek – 1/2-1/2 – Anand, Viswanathan – G85 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
Corus A 2010 – Round 7 – Caruana, Fabiano – 1/2-1/2 – Anand, Viswanathan – G42 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Rc8
Croatia GCT 2019 – Round 5.5 – Giri, Anish – 0-1 – Ding, Liren – G29 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Rc8
FIDE Grand Swiss 2025 – Round 2 – Svane Rasmus – 1/2-1/2 – Sindarov Javokhir – G75 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Re8
FIDE Grand Swiss 2025 – Round 2 – Wagner Dennis – 1/2-1/2 – Harikrishna Pentala – G109 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
FIDE World Cup 2017 – Round 2.2 – Ivanchuk, Vasyl – 1/2-1/2 – Duda, Jacob – G247 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
GCT Blitz Croatia 2021 – Round 16.5 – Mamedyarov, Shakhriyar – 0-1 – Korobov, Anton – G80 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Re8
Global Chess League 2023 – Round 7.3 – Radjabov, Teimour – 1/2-1/2 – Saini Vidit – G86 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. Bb2 Bb7 10. O-O Qe7
Kosmos m 5' 1998 – Round 10 – Kramnik, Vladimir – 1/2-1/2 – Kasparov, Garry – G10 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 c5
Kosmos m 5' 1998 – Round 8 – Kramnik, Vladimir – 1-0 – Kasparov, Garry – G8 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 c5
Madrid 1993 – Round 2 – Izeta Txabarri, Felix – 0-1 – Illescas Cordoba, Miguel – G9 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. e4 dxe4
Palma De Mallorca GP 2017 – Round 3.2 – Radjabov, Teimour – 1/2-1/2 – Giri, Anish – G20 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. b3 b6 9. O-O Bb7 10. Bb2 Qe7
Saint Louis Blitz 2017 – Round 16.1 – Le, Quang Liem – 1-0 – Navara, David – G76 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
Saint Louis Blitz 2023 – Round 12.5 – Xiong, Jeffery – 0-1 – Caruana, Fabiano – G60 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Re8
Saint Louis Rapid 2021 – Round 5.3 – Mamedyarov, Shakhriyar – 0-1 – Shankland, Sam – G23 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
Sharjah Grand Prix 2017 – Round 9.9 – Riazantsev, Alexander – 1/2-1/2 – Hammer, Jon Ludvig – G81 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Rc8
Sparkassen GM 2007 – Round 3 – Gelfand, Boris – 1/2-1/2 – Anand, Viswanathan – G9 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
Tal Memorial 2008 – Round 7 – Gelfand, Boris – 1/2-1/2 – Kramnik, Vladimir – G29 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
Tata Steel India Blitz 2019 – Round 16.1 – So, Wesley – 1/2-1/2 – Giri, Anish – G75 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
USA Ch 2017 – Round 3.3 – Onischuk, Alexanderexander – 1/2-1/2 – Shankland, Sam – G15 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. Bb2 Bb7 10. O-O Rc8
Vugar Gashimov Mem 2018 – Round 4.3 – Radjabov, Teimour – 1/2-1/2 – Carlsen, Magnus – G18 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
WCh Playoffs 2006 – Round Rapid 2 – Kramnik, Vladimir – 1-0 – Topalov, Veselin – G2 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Re8
World Blitz 2007 – Round 19 – Ivanchuk, Vasyl – 1/2-1/2 – Anand, Viswanathan – G180 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. b3 b6 9. O-O Bb7 10. Bb2 Rc8
World Blitz 2007 – Round 28 – Dreev, Aleksey – 1-0 – Kramnik, Vladimir – G269 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. Bb2 Bb7 10. O-O Qe7
World Blitz 2015 – Round 11.67 – Kunin, Vitaly – 0-1 – Stefansson, Hannes – G711 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
World Blitz 2019 – Round 2.46 – Ruck, Robert – 1-0 – Korobov, Anton – G118 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Re8
World Blitz 2019 – Round 5.20 – Gareyev, Timur – 1/2-1/2 – Motylev, Alexander – G320 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Re8
World Blitz 2021 – Round 7.36 – Faizrakhmanov, Ramil – 0-1 – Cheparinov, Ivan – G410 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. Bb2 Bb7 10. O-O Rc8
World Blitz 2022 – Round 11.56 – Agmanov, Zhandos – 1-0 – Najer, Evgeniy – G601 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Re8
World Rapid 2016 – Round 10.33 – Fressinet, Laurent – 1/2-1/2 – Debashis, Das – G390 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7
XXIV SuperGM 2007 – Round 6 – Carlsen, Magnus – 1/2-1/2 – Leko, Peter – G21 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. Bb2 Bb7 10. O-O Qe7
XXVI SuperGM 2009 – Round 13 – Ivanchuk, Vasyl – 1-0 – Aronian, Levon – G48 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Rc8
Zurich Korchnoi CC 2017 – Round 7.2 – Pelletier, Yannick – 0-1 – Gelfand, Boris – G26 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7

D45s —

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Qc2 Bd6 7.b3 O-O 8.Be2 b6

Les coups candidats

9.O-O — 86.3% (2048 parties)

Ambassadeurs : Faizrakhmanov, Ramil (11x), Bjuhr, Arne (10x), Korneev, Oleg (9x), Simantsev, Mikhail (9x), Raykin, Leonid Gershevich (8x), Drasko, Milan (8x), Lenic, Luka (8x), Mehlhorn, Uwe (8x)

9.Bb2 — 13.0% (308 parties)

Ambassadeurs : Pulghè, Paolo (10x), Pulghe`, Paolo (4x), Isaev, Chyngyz (3x), Zaehringer, Daniel (3x), Smithers, Steven (2x), Grant, Jonathan I M (2x), Civitillo, Alfredo (2x), Rodshtein, Maxim (2x)

9.cxd5 — 0.3% (8 parties)

Ambassadeurs : Juarez, Alberto (1x), Hoffman, Alejandro (1x), Skembris, Spyridon (1x), Katzourakis, Pavlos (1x), Koch, Hans-Georg (1x), Grube, Frank (1x), Hannesson, Sigurður Örn (1x), Prati, Alessandro (1x)

9.a4 — 0.2% (4 parties)

Ambassadeurs : Shutovs, Artjoms (1x), Straka, Zdenek (1x), Korzun, Viktor Valerievich (1x), Morrow, Wolff (1x), Simplina, Arthur (1x), Krakovský, Peter (1x), Peiró Aparisi, Josep (1x), Ozen, Bahadir (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.O-O	9.Bb2	9.cxd5	9.a4
<1800	77	84%	14%	—	—
1800-2200	673	84%	16%	0%	0%
2200-2600	1401	88%	12%	0%	0%
2600+	150	88%	12%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9.O-O	9.Bb2	9.cxd5	9.a4
1950s	5	80%	20%	—	—
1960s	6	83%	17%	—	—
1970s	6	83%	17%	—	—
1980s	4	100%	—	—	—
1990s	93	92%	5%	1%	—
2000s	498	92%	7%	0%	—
2010s	1121	85%	14%	0%	—
2020s	640	83%	16%	0%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.O-O	85%	83%	▼ -2.4%
9.Bb2	14%	16%	▲ +2.0%
9.cxd5	0%	0%	-0.0%
9.a4	0%	1%	▲ +0.6%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 6 parties
Anand, Viswanathan — 5 parties
Carlsen, Magnus — 4 parties
Ding, Liren — 4 parties
Kasparov, Garry — 2 parties
Karpov, Anatoly — 2 parties

Parties historiques

9.O-O — 86.3% (2048 parties)

1951 — Kluger, Gyula vs Negyesy, Gyorgy — 1/2-1/2 — Hungary ch
1952 — Miguel, Nahuel vs Cobo Arteaga, Eldis — 1-0 — Havana CUB
1953 — Livshin, Iosif vs Klavins, Janis — 0-1 — Leningrad RUS
1958 — Stoere, Thor vs Harmony Karpis — 0-1 — CCOL3 final 5861
1961 — Malich, Burkhard, Dr. vs Handel, Horst — 1-0 — Premnitz GER

9.Bb2 — 13.0% (308 parties)

1957 — Tsvetkov, Alexandar K vs Valchanov, Mihail — 1-0 — Sofia BUL
1966 — Horberg, Bengt-Eric vs Werle, Allan — 1-0 — Malmo SWE
1974 — Fedder, Steen vs Neckar, Lubomir — 1-0 — Teesside ENG
1990 — Erikalov, Alexey vs Vidonyak, Roman — 1-0 — Simferopol UKR
1992 — Votava, Jan vs Hlavnicka, Jiri — 1/2-1/2 — Policka Policka CZE

9.cxd5 — 0.3% (8 parties)

1997 — Juarez, Alberto vs Hoffman, Alejandro — 0-1 — It (open)
2008 — Skembris, Spyridon vs Katzourakis, Pavlos — 1-0 — Kallithea Halkidiki GRE
2010 — Koch, Hans-Georg vs Grube, Frank — 1/2-1/2 — ?
2010 — Deutsch, Eyal vs Bykhovsky, Avigdor — 0-1 — Petah Tikva
2014 — Hannesson, Sigurður Örn vs Prati, Alessandro — 1/2-1/2 — ICCF

9.a4 — 0.2% (4 parties)

2020 — Korzun, Viktor Valerievich vs Morrow, Wolff — 1/2-1/2 — ICCF
2020 — Simplina, Arthur vs Krakovský, Peter — 1/2-1/2 — ICCF
2021 — Shutovs, Artjoms vs Straka, Zdenek — 1/2-1/2 — ICCF
2021 — Peiró Aparisi, Josep vs Ozen, Bahadir — 1/2-1/2 — ICCF

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