D27a — QGA: Classical, 6…a6

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Blancs s'appuient sur une majorité de pions à l'centre (2 contre 1), la case forte e5, un fou actif en c4, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).

Plans. Nc3 (Développer Nb1) ; Bd2 (Développer Bc1) ; 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), la case forte d5, un avant-poste en d5, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Le fou enfermé en c1.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, les fous c8 et f8 et les tours a8 et h8).

Plans. ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)) ; ...Nbd7 (Développer Nb8) ; ...Be7 (Développer Bf8) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● b7→a6, f7→e6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v0)	● d5 (3v1)
Cases faibles	—	—
Centre	● d4 (3v2), ● e5 (2v0)	● d5 (3v1), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bc4	● Bc4 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	5 (● b8, ● c8, ● f8, ● a8, ● h8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d4-d5, ● e3-e4	● …e6-e5

Partie
10. Sinquefield Cup 2023 – Round 4.1 – Giri, Anish – 1/2-1/2 – Vachier-Lagrave, Maxime – G13 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Re1 Be7 8. dxc5 Bxc5 9. Qxd8+ Kxd8 10. Nc3 Ke7
1903 It (Men) Monte Carlo MNC – Round 4 – Teichmann, Richard – 1/2-1/2 – Marchand, Max – G17 1. d4 e6 2. Nf3 d5 3. c4 c5 4. e3 Nf6 5. Bd3 Nc6 6. Nc3 dxc4 7. Bxc4 a6 8. a4 Be7 9. O-O O-O 10. dxc5 Qxd1
1905 Ostende – Round 11 – Teichmann, Richard – 1/2-1/2 – Blackburne, Joseph – G35 1. d4 d5 2. c4 dxc4 3. Nf3 c5 4. e3 Nf6 5. Bxc4 e6 6. O-O a6 7. Be2 Nc6 8. Nc3 cxd4 9. exd4 Be7 10. Bg5 h6
1908 Prague – Round 9 – Duz-Khotimirsky, Fedor Ivanovich – 1/2-1/2 – Maroczy, Geza – G76 1. d4 d5 2. Nf3 c5 3. e3 e6 4. c4 Nf6 5. a3 dxc4 6. Bxc4 a6 7. O-O b5 8. Bd3 Nbd7 9. Qe2 Bb7 10. Rd1 Qb6
1908 Vienna – Round 8 – Johner, Paul – 1-0 – Berger, Jacob – G78 1. d4 d5 2. c4 e6 3. Nf3 c5 4. e3 Nf6 5. Bd3 a6 6. O-O dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a4 b4 10. Nbd2 Nbd7
1909 St Petersburg – Round 1 – Duz-Khotimirsky, Fedor Ivanovich – 0-1 – Teichmann, Richard – G25 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c4 dxc4 6. Bxc4 a6 7. a4 Nc6 8. Nc3 Be7 9. O-O O-O 10. Qe2 cxd4
1910 World Championship 11th – Round 4 – Forgacs, Leo – 0-1 – Lasker, Emanuel – G4 1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c4 e6 5. Bd3 Nc6 6. O-O dxc4 7. Bxc4 a6 8. a4 Be7 9. Nc3 O-O 10. b3 cxd4
1935 Buenos Aires – Round 1 – Guimard, Carlos E – 1-0 – Hounie Fleurquin, Carlos – G4 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c5 5. a3 dxc4 6. Bxc4 a6 7. O-O b5 8. Bd3 cxd4 9. exd4 Bb7 10. Qe2 Be7
1935 Vienna – Round 1 – Glass, Eduard – 1/2-1/2 – Gruenfeld, Ernst – G19 1. Nf3 Nf6 2. e3 d5 3. c4 e6 4. Be2 c5 5. O-O Nc6 6. d4 dxc4 7. Bxc4 a6 8. a4 Be7 9. b3 O-O 10. Bb2 b6
1936 Hastings3637 – Round 7 – Bellod Thomas, Gonzalo – 0-1 – Vidmar, Marjeta – G30 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. Bd3 dxc4 7. Bxc4 a6 8. a4 Be7 9. O-O O-O 10. b3 cxd4
1937 Brno – Round 11 – May, Desider – 1/2-1/2 – Koblencs, Alexander – G22 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a3 Nc6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. b4 Be7
1937 Semmering/Baden – Round 1 – Reshevsky, Samuel – 1-0 – Petrov, Vladimir (ENG) – G4 1. Nf3 Nf6 2. d4 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a3 b5 8. Ba2 Bb7 9. Qe2 Nbd7 10. Rd1 cxd4
1938 Lodz – Round ? – Menchik, Vera Frantsevna – 0-1 – Foltys, Jan – G99 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. Bd3 dxc4 7. Bxc4 a6 8. a4 Be7 9. O-O O-O 10. Ne5 cxd4
1941 Mar del Plata – Round 1 – Najdorf, Miguel – 1/2-1/2 – Stahlberg, Gideon – G5 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c5 5. Bd3 dxc4 6. Bxc4 a6 7. O-O Nc6 8. Nc3 Be7 9. a3 b5 10. Ba2 Bb7
1945 Novi Sad – Round 21 – Fajer Abdallah Mohamad – 0-1 – Tomovic, Vasilje – G192 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c4 dxc4 6. Bxc4 a6 7. O-O Nc6 8. Be2 Qc7 9. a3 cxd4 10. exd4 b5
1947 Hanau – Round ? – Nuernberg, Friedrich – 0-1 – Zemgalis, Elmars – G16 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qc2 Nbd7 8. Rd1 b5 9. dxc5 Bxc5 10. Bd3 Bb7
1947 Leningrad ch-URS – Round 3 – Ragozin, Viacheslav – 1-0 – Klaman, Konstantin Mikhailovich – G52 1. d4 d5 2. c4 dxc4 3. Nf3 c5 4. e3 Nf6 5. Bxc4 e6 6. O-O a6 7. a3 Nbd7 8. Nc3 Be7 9. Qe2 b5 10. Ba2 Bb7
1960 Mar del Plata – Round 5 – Letelier Martner, Rene – 1/2-1/2 – Aguilera Bazan, Oscar – G49 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 a6 5. a3 e6 6. Nf3 c5 7. O-O b5 8. Ba2 Bb7 9. Nc3 Nbd7 10. Qe2 Qc7
1966 Budapest HUN – Round 5 – Kurtesch Laszlo – 0-1 – Dely, Peter – G13 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 d5 5. Bd3 dxc4 6. Bxc4 a6 7. O-O b5 8. Be2 Bb7 9. Nbd2 Nbd7 10. Re1 Qb8
1966 La Habana olm fin-C – Round 11 – Colon Romero, Miguel – 1/2-1/2 – Myagmarsuren, Lkhamsuren – G70 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. h4 Nc6 8. Nc3 Be7 9. b3 O-O 10. Bb2 cxd4
1966 Zinnowitz – Round 13 – Gromek, Jozef – 0-1 – Fuchs, Reinhart – G26 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. e3 c5 5. d4 Nc6 6. Be2 dxc4 7. Bxc4 a6 8. a4 Be7 9. O-O O-O 10. Qe2 cxd4
1972 Skopje ol (Men) fin-A – Round 15 – Peev, Peicho – 1/2-1/2 – Hase, Juan Carlos – G107 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a4 Nc6 8. Qe2 cxd4 9. Rd1 Be7 10. exd4 O-O
1972 Skopje ol (Men) fin-A – Round 6 – Malich, Burkhard, Dr. – 0-1 – Radulov, Ivan – G81 1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. d4 dxc4 5. e3 c5 6. Bxc4 a6 7. a4 Nc6 8. O-O Qc7 9. Qe2 Bd6 10. Rd1 O-O
1975 URS Team Ch – Round 5 – Maslov, Valentin – 1/2-1/2 – Zilberman, Nathan R – G91 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. e3 e6 5. Bd3 dxc4 6. Bxc4 c5 7. O-O a6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. Bd2 Nc6
2024 Superbet Chess Classic - Round 4 - Praggnanandhaa R - 1-0 - Giri Anish - G20 1. d4 1... d5 2. c4 2... dxc4 3. Nf3 3... Nf6 4. e3 4... e6 5. Bxc4 5... c5 6. O-O 6... a6 7. Be2 7... Nbd7 8. Nbd2 8... Be7 9. dxc5 9... Bxc5 10. Qc2 10... O-O
2024 Superbet Chess Classic - Round 7 - So Wesley - 1/2-1/2 - Abdusattorov Nodirbek - G33 1. d4 1... d5 2. c4 2... dxc4 3. e3 3... Nf6 4. Bxc4 4... e6 5. Nf3 5... a6 6. O-O 6... c5 7. Be2 7... Nbd7 8. Nc3 8... b5 9. d5 9... exd5 10. Nxd5 10... Bb7
2026 Tata Steel Chess Masters - Round 1.4 - Keymer, Vincent - 1-0 - Giri, Anish - G4 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Re1 Nc6 8. Nc3 Be7 9. dxc5 Qxd1 10. Rxd1 Bxc5
36. Olympiad 2004 – Round 7 – Kozul, Zdenko – 1/2-1/2 – Charbonneau, Pascal – G225 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a3 b5 8. Ba2 Bb7 9. Nc3 Nbd7 10. Re1 Be7
5. Sinquefield Cup 2017 – Round 2.2 – Aronian, Levon – 0-1 – Caruana, Fabiano – G7 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Be2 cxd4 8. exd4 Nc6 9. Nc3 Be7 10. Be3 Ng4
8. Sinquefield Cup 2021 – Round 5.3 – Mamedyarov, Shakhriyar – 1/2-1/2 – Dominguez Perez, Leinier – G23 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Re1 Nc6 8. Bd3 cxd4 9. exd4 Be7 10. Nc3 O-O
9. London Classic 2017 – Round 1.1 – Carlsen, Magnus – 1/2-1/2 – Caruana, Fabiano – G1 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. Be2 Nbd7 8. Nc3 b6 9. e4 cxd4 10. Nxd4 Bb7
American Cup Blitz 2022 – Round 5.6 – Oparin, Grigoriy – 1/2-1/2 – Xiong, Jeffery – G29 1. d4 d5 2. c4 e6 3. Nf3 dxc4 4. e3 a6 5. Bxc4 Nf6 6. O-O c5 7. Re1 Nc6 8. Nc3 h6 9. d5 exd5 10. Nxd5 Ne4
Clarin 1979 – Round 2 – Andersson, Ulf 1949 – 1/2-1/2 – Petrosian, Tigran V – G7 1. Nf3 Nf6 2. d4 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a3 cxd4 8. Nxd4 Bd6 9. Nf3 O-O 10. Qe2 Nc6
FIDE Grand Swiss 2025 – Round 5 – Daneshvar Bardiya – 0-1 – Bacrot Etienne – G277 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Re1 b5 8. Bf1 cxd4 9. Nxd4 Bb4 10. Bd2 Bd6
Lindores Abbey Tal Memorial 2021 – Round 2.55 – Predke, Alexandr – 1-0 – Badelka, Olga – G109 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Re1 Nc6 8. Nc3 b5 9. Bd3 Bb7 10. a4 b4
Saint Louis Rapid 2022 – Round 1.5 – Aronian, Levon – 1/2-1/2 – Vachier-Lagrave, Maxime – G5 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Nbd2 cxd4 8. Nxd4 Be7 9. Be2 O-O 10. b3 b5
Superbet Blitz 2022 – Round 17.5 – Caruana, Fabiano – 1-0 – So, Wesley – G85 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Be2 cxd4 8. Nxd4 Be7 9. Nd2 O-O 10. b3 b5
Superbet Classic 2023 – Round 9.3 – Firouzja, Alireza – 1/2-1/2 – Vachier-Lagrave, Maxime – G42 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Re1 Be7 8. dxc5 Bxc5 9. Qxd8+ Kxd8 10. Bf1 Ke7
SuperUnited Blitz 2022 – Round 13.4 – Van Foreest, Jorden – 1/2-1/2 – So, Wesley – G64 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Re1 Nc6 8. Nc3 Be7 9. dxc5 Qxd1 10. Rxd1 Bxc5
SuperUnited Blitz 2023 – Round 7.4 – Lupulescu, Constantin – 1/2-1/2 – Anand, Viswanathan – G34 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Be2 Nbd7 8. b3 b6 9. Bb2 Bb7 10. Nbd2 Be7
SuperUnited Rapid 2023 – Round 3.1 – Lupulescu, Constantin – 0-1 – Anand, Viswanathan – G11 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Be2 cxd4 8. Nxd4 Be7 9. b3 O-O 10. Bb2 b5
World Blitz 2018 – Round 3.12 – Vitiugov, Nikita – 1/2-1/2 – Timofeev, Artyom – G144 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Be2 cxd4 8. Nxd4 Bd6 9. b3 O-O 10. Bb2 e5
World Blitz 2019 – Round 21.10 – Saini Vidit – 0-1 – Inarkiev, Ernesto – G1394 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. a3 Nc6 8. dxc5 Bxc5 9. b4 Bd6 10. Bb2 O-O
World Blitz 2021 – Round 4.6 – Saini Vidit – 1-0 – Vachier-Lagrave, Maxime – G243 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. a3 Nbd7 8. dxc5 Bxc5 9. b4 Be7 10. Bb2 b5
World Blitz 2021 – Round 5.48 – Gukesh D – 0-1 – Timofeev, Artyom – G296 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. Re1 Nc6 8. Nc3 Be7 9. dxc5 Qxd1 10. Rxd1 Bxc5
World Blitz 2022 – Round 11.37 – Shankland, Sam – 1-0 – Tsaruk, Maksim – G585 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 a6 6. O-O c5 7. Nbd2 Nc6 8. dxc5 Bxc5 9. a3 O-O 10. b4 Be7
World Blitz 2023 – Round 19.39 – Matlakov, Maxim – 1-0 – Dardha, Daniel – G1093 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 e6 6. O-O c5 7. Re1 b5 8. Bf1 Bb7 9. a4 b4 10. Nbd2 cxd4
World Rapid 2019 – Round 14.15 – Cheparinov, Ivan – 1/2-1/2 – Le, Quang Liem – G885 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Re1 Nc6 8. Nc3 b5 9. Bd3 Bb7 10. a4 c4
World Rapid 2021 – Round 1.14 – Maghsoodloo, Parham – 1/2-1/2 – Aronian, Levon – G6 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Be2 Nbd7 8. b3 b6 9. Bb2 Bb7 10. Nbd2 Be7
World Rapid 2021 – Round 3.38 – Riazantsev, Alexander – 1/2-1/2 – Pichot, Alan – G164 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Be2 b5 8. a4 b4 9. b3 Bb7 10. Bb2 Nbd7
World Rapid 2021 – Round 5.10 – Cheparinov, Ivan – 1-0 – Aronian, Levon – G260 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Re1 Nc6 8. Nc3 b5 9. Bd3 cxd4 10. exd4 Nb4
World Rapid 2021 – Round 5.55 – Gukesh D – 1-0 – Pichot, Alan – G302 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 a6 6. O-O c5 7. Re1 b5 8. Bf1 Bb7 9. a4 b4 10. Nbd2 Be7

D27a — Classical

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6

Les coups candidats

7.a4 — 20.9% (4226 parties) →

Ambassadeurs : fperrot (19x), ? (19x), Ilyin, Pavel Egorovich (18x), Portisch, Lajos (16x), Vladimirov, Yevgeniy (15x), Radulov, Ivan (15x), Kallai, Gabor (15x), Korchut, Adam (14x)

7.dxc5 — 20.8% (4214 parties) →

Ambassadeurs : Stevic, Hrvoje (41x), Rublevsky, Sergei (28x), Ilyin, Pavel Egorovich (22x), Karpatchev, Aleksandr (18x), Vorobiov, Evgeny E. (17x), Kolanek, Roman (16x), Kozul, Zdenko (16x), Nikolic, Predrag (15x)

7.Bb3 — 19.7% (3982 parties) →

Ambassadeurs : Stevic, Hrvoje (23x), Anand, Viswanathan (22x), Chukanov, Igor Anatolievich (20x), Volodarsky, Yury Aleksandrovich (20x), Tkachiev, Vladislav (17x), Ganguly, Surya Shekhar (17x), Korchut, Adam (17x), Cvitan, Ognjen (16x)

7.Qe2 — 16.2% (3271 parties) →

Ambassadeurs : Euwe, Max (17x), Garcia Palermo, Carlos Horacio (17x), Reshevsky, Samuel (16x), Gruenfeld, Ernst (15x), Golz, Werner (14x), Najdorf, Miguel (12x), Keres, Paul (11x), Suetin, Alexey S (11x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.a4	7.dxc5	7.Bb3	7.Qe2
<1800	253	28%	19%	12%	15%
1800-2200	4363	26%	21%	20%	13%
2200-2600	11800	18%	22%	22%	14%
2600+	985	8%	28%	22%	7%

Évolution par décennie (% des parties)

Décennie	N parties	7.a4	7.dxc5	7.Bb3	7.Qe2
1890s	1	—	—	—	100%
1900s	5	20%	—	—	—
1910s	6	—	17%	—	50%
1920s	15	—	7%	—	67%
1930s	82	10%	6%	—	72%
1940s	145	10%	6%	—	72%
1950s	217	11%	9%	0%	71%
1960s	417	29%	14%	2%	45%
1970s	268	51%	9%	2%	30%
1980s	926	38%	9%	2%	35%
1990s	3337	24%	11%	12%	25%
2000s	6180	23%	21%	28%	13%
2010s	6173	17%	28%	26%	9%
2020s	2479	10%	26%	9%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.a4	17%	10%	▼ -6.6%
7.dxc5	28%	26%	▼ -2.2%
7.Bb3	26%	9%	▼ -17.4%
7.Qe2	9%	7%	▼ -1.8%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 10 parties
Alekhine, Alexander — 10 parties
Tal, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Kasparov, Garry — 10 parties
Botvinnik, Mikhail — 9 parties
Gukesh D — 8 parties
Carlsen, Magnus — 7 parties
Karpov, Aleksandr — 5 parties
Ju, Wenjun — 4 parties
Ding, Liren — 3 parties
Lasker, Emanuel — 1 partie
Hou, Yifan — 1 partie

Parties historiques

7.a4 — 20.9% (4226 parties)

1909 — Rubinstein, Akiba vs Freiman, Sergey Nikolaevich — 1-0 — St Petersburg RUS
1930 — Botvinnik, Mikhail vs Vilner, Yakov S — 1/2-1/2 — Leningrad RUS
1930 — Botvinnik, Mikhail vs Vilner, Yakov S — 1/2-1/2 — Leningrad ch-city
1933 — Rosselli del Turco, Stefano vs Gruenfeld, Ernst — 1-0 — Folkestone ENG
1933 — Heinicke, Herbert vs Sikorski, Norbert — 1-0 — Altona-Bahrenfeld

7.dxc5 — 20.8% (4214 parties)

1911 — Levenfish, Grigory vs Teichmann, Richard — 1/2-1/2 — Carlsbad CZE
1923 — Sery, S. vs Master Walter Aira — 1/2-1/2 — Pardubice CZE
1933 — Hoenlinger, Baldur vs Gruenfeld, Ernst — 1/2-1/2 — Vienna AUT
1933 — Pirc, Vasja vs Gruenfeld, Ernst — 1/2-1/2 — Moravska Ostrava
1935 — Gruenfeld, Ernst vs Flohr, Salo — 1/2-1/2 — Warsaw POL

7.Bb3 — 19.7% (3982 parties)

1951 — German, Eugenio vs Acebal Muniz, Antonio — 1-0 — San Rafael
1962 — Sliwa, Bogdan vs Filip, Marius Liviu — 1/2-1/2 — Varna BUL
1962 — Filip, Marius Liviu vs Conrady, Alphonse — 1-0 — Olympiad Varna BUL
1962 — Euwe, Max vs Filip, Marius Liviu — 1/2-1/2 — Varna BUL
1963 — Botvinnik, Mikhail vs Petrosian, Tigran V. — 1/2-1/2 — Moskou wch-m

7.Qe2 — 16.2% (3271 parties)

1899 — Klatt, Otto vs Kniebel G — 1-0 — cr.
1910 — Alekhine, Alexander vs GoncharovRubinstei — 1-0 — Moskou consult
1911 — Kostic, Boris vs Důras, Oldřich — 1/2-1/2 — Carlsbad CZE
1911 — Gregory, Bernhard vs Loewy, Leopold Jr — 1-0 — Berlin GER
1925 — Gruenfeld, Ernst vs Opocensky, Karel — 1/2-1/2 — Marienbad CZE

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →