E91a — King’s Indian: 6.Be2

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte b5….

Atouts. Les Blancs s'appuient sur les cases fortes b5, d5 et g5 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et 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) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

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

Atouts. Les Noirs s'appuient sur la case forte g4 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et e2 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour a8).

Plans. ...Nbd7 (Développer Nb8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...c6 (Rupture) ; ...c5 (Rupture) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● c7→d6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (3v1), ● g5 (2v0)	● g4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● d5 (3v1), ● e5 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Be2	● Be2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (● c1, ● a1, ● h1)	3 (● b8, ● 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	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e4-e5	● …c7-c6, ● …c7-c5, ● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
19. Amber Blindfold 2010 – Round 4 – Gelfand, Boris – 1-0 – Kramnik, Vladimir – G12 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 Bg4 7. Be3 Nfd7 8. Rc1 c5 9. d5 Na6 10. O-O Nc7
1935 Hastings3536 – Round 5 – Michell, Reginald – 0-1 – Koltanowski, George – G23 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 h6 7. O-O Nc6 8. d5 Nb8 9. h3 a5 10. Be3 b6
1947 Nt – Round 8 – Roedl, Ludwig – 1-0 – Rellstab, Ludwig – G13 1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 Nfd7 7. Bg5 f6 8. Be3 e5 9. O-O Nc6 10. Qd2 Ne7
1951 Tashkent m – Round 10 – Petrosian, Tigran A. – 1-0 – Mukhitdinov, Mamadzhan – G10 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Nfd7 7. Bg5 c5 8. d5 h6 9. Be3 Nf6 10. h3 Kh8
1953 Hastings ch-BCF – Round 1 – Golombek, Harry – 1-0 – Fazekas, Stephan – G18 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Nfd7 7. O-O e5 8. Bg5 f6 9. Be3 Nc6 10. Qd2 g5
1961 Moskou ZShK – Round 8 – Pachman, Ludek – 1/2-1/2 – Gufeld, Eduard – G41 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 Bxf3 9. Bxf3 e5 10. d5 a5
1962 Yalta – Round ? – Taimanov, Alexander – 0-1 – Alatortsev, Vladimir N. – G8 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 c5 9. d5 Nb6 10. b3 a6
1963 Leningrad ch-URS – Round 1 – Polugaevsky, Lev – 1/2-1/2 – Zakharov, Alexander V – G134 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. e4 d6 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. a3 Na6
1964 Capablanca Memorial – Round 16 – Taimanov, Mark E – 1-0 – Bielicki, Carlos – G160 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 Bxf3 10. Bxf3 f5
1964 CSR Ch – Round 7 – Kozma, Julius – 1/2-1/2 – Seifert, Milan – G51 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. O-O Bxf3
1964 Kecskemet zt – Round 1 – Langeweg, Kick – 1-0 – Attard, Wilfred – G4 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 f5 10. Ng5 Bxe2
1964 Tel Aviv olm fin-A – Round 10 – Petrosian, Tigran A. – 1/2-1/2 – Bednarski, Jacek – G216 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. O-O Na6
1964 Zinnowitz Zinnowitz GER – Round 5 – Golz, Werner – 0-1 – Bednarski, Jacek B – G18 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be2 d6 6. Nf3 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. O-O Na6
1966 Hoogovens – Round 5 – Langeweg, Kick – 0-1 – Szabo, Ladislav – G25 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 c5 9. d5 Na6 10. O-O Nb6
1966 La Habana olm fin-B – Round 7 – Cuartas, Carlos Enrique – 1/2-1/2 – Bednarski, Jacek – G99 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nf6 5. Nf3 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. a3 Na6
1966 Mar del Plata 27th – Round 5 – Stein, Leon Rico – 1-0 – Rubinetti, Jorge – G17 1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. e4 Nf6 5. Be2 O-O 6. Nf3 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 Bxf3 10. Bxf3 a5
1966 Panamerican – Round ? – Cuartas, Carlos Enrique – 1-0 – Jimenez Zerquera, Eleazar – G55 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. Nf3 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. a3 Na6
1966 Rio Hondo zt – Round 14 – Panno, Oscar – 1-0 – Rubinetti, Jorge – G86 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. a3 Na6
1967 Capablanca Memorial – Round 19 – Schmid, Leo – 1/2-1/2 – Bednarski, Jacek – G166 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. O-O Na6
1967 Havana Armies Ch 4th – Round 3 – Zheliandinov, Viktor – 1-0 – Bednarski, Jacek B – G15 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. O-O Na6
1967 HUN Ch Budapest HUN – Round 17 – Lengyel, Levente – 1-0 – Meleghegyi, Csaba – G61 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. a3 Na6
1967 Skopje – Round 1 – Bukic, Enver – 1-0 – Nicevski, Risto – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 Bxf3 10. Bxf3 f5
1967 URS-ch35 – Round 1 – Polugaevsky, Lev – 1-0 – Kholmov, Ratmir D – G6 1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. e3 Bg7 5. d4 Nf6 6. d5 Nb8 7. Be2 d6 8. O-O O-O 9. e4 e6 10. Bf4 e5
1967 Vrnjacka Banja zt – Round 1 – Hamann, Slawomir – 1-0 – Bobotsov, Milko G – G4 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. h3 Bxf3
1968 It Buesum GER – Round 8 – Andersen, Borge – 1-0 – Besser, Hans – G37 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 b6 7. O-O c5 8. d5 a6 9. h3 e5 10. dxe6 fxe6
1968 Lugano SUI – Round 9 – Ree, Hans – 1/2-1/2 – Medina Garcia, Antonio Angel – G92 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. Nf3 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. h3 Bxf3
1968 URS Team Ch – Round 1 – Nikolaevsky, Yuri V – 1/2-1/2 – Murey, Jacob – G10 1. c4 g6 2. Nc3 Bg7 3. d4 c5 4. e3 Nf6 5. Nf3 O-O 6. Be2 Na6 7. O-O d6 8. e4 Bd7 9. Be3 Rc8 10. Rb1 Ng4
1969 Netanya – Round 3 – Kavalek, Lubomir – 0-1 – Westerinen, Heikki M.J. – G22 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. h3 Bxf3
1969 Raach zt – Round 9 – Jansson, Borje – 1/2-1/2 – Andersson, Ulf 1949 – G85 1. c4 g6 2. d4 Bg7 3. Nc3 d6 4. e4 Nf6 5. Nf3 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. O-O Na6
1970 IBM – Round 6 – Hamann, Slawomir – 1-0 – Bednarski, Jacek – G37 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. e4 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. O-O Na6
1970 Palma de Mallorca Interzonal – Round 2 – Naranja, Renato – 1-0 – Jimenez Zerquera, Eleazar – G41 1. c4 Nf6 2. Nf3 g6 3. d4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Bg4 7. h3 Bxf3 8. Bxf3 Nfd7 9. Be3 Nc6 10. Ne2 e5
1971 Hoogovens – Round 1 – Hartoch, Robert G – 1/2-1/2 – Adorjan, Andras – G4 1. c4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. Nc3 Nf6 6. e4 O-O 7. Be2 e6 8. O-O Re8 9. dxe6 Bxe6 10. Bg5 Nc6
1973 Leningrad Interzonal – Round 10 – Cuellar Alpire, Mariana – 0-1 – Tal, Mihail – G134 1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 Bg4 7. O-O Nfd7 8. Be3 Bxf3 9. Bxf3 Nc6 10. d5 Na5
1973 Leningrad Interzonal – Round 10 – Cuellar, Miguel – 0-1 – Tal, Mihail – G133 1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. O-O Bxf3 9. Bxf3 Nc6 10. d5 Na5
1974 Candidats sf1 – Round 3 – Karpov, Anatoly – 1-0 – Spassky, Boris V. – G4 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 c5 7. O-O Bg4 8. d5 Nbd7 9. Bg5 a6 10. a4 Qc7
1974 Manila – Round 1 – Kraidman, Yair – 0-1 – Kavalek, Lubomir – G41 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e6 8. O-O Re8 9. b3 Nxd5 10. exd5 Bxc3
1974 Manila – Round 10 – Gligoric, Svetozar – 1/2-1/2 – Ljubojevic, Ljubomir – G45 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 Na6 8. O-O Nc7 9. h3 e5 10. Bg5 h6
1974 Manila – Round 13 – Gligoric, Svetozar – 1-0 – Naranja, Renato – G31 1. d4 g6 2. e4 c6 3. c4 Bg7 4. Nc3 d6 5. Nf3 Nf6 6. Be2 O-O 7. O-O a5 8. h3 Na6 9. Bf4 Nd7 10. Qd2 Nc7
1974 Manila – Round 2 – Kraidman, Yair – 0-1 – Vasiukov, Evgeni – G42 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Be2 e6 8. O-O Re8 9. Re1 Na6 10. dxe6 Bxe6
1975 Portoroz/Ljubljana – Round 1 – Hort, Vlastimil – 1-0 – Karnar, Marijan – G11 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Nf3 c5 7. d5 Bg4 8. O-O Na6 9. h3 Bxf3 10. Bxf3 Nc7
1975 URS Team Ch – Round 1 – Grigorian, Karen – 0-1 – Suetin, Alexey S – G105 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. Nf3 Bg7 6. e4 O-O 7. Be2 e6 8. O-O Re8 9. Nd2 Na6 10. Rb1 Nc7
1975 URS Team Ch – Round 2 – Smyslov, Vassily – 0-1 – Polugaevsky, Lev – G106 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Nf3 e6 8. O-O Re8 9. Nd2 Na6 10. Re1 Nc7
43. Olympiad 2018 – Round 2.28 – Steingrimsson, Hedinn – 0-1 – Kovalenko, Igor – G120 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. h3 Bxf3
43. Olympiad 2018 – Round 3.11 – Flores, Diegoego – 1-0 – Stojanovic, Dalibor – G162 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. h4 Bxf3
Baku FIDE Grand Prix 2014 – Round 9.2 – Mamedyarov, Shakhriyar – 1-0 – Gelfand, Boris – G48 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 O-O 5. Be2 c5 6. d5 d6 7. O-O e6 8. Nc3 Re8 9. e4 exd5 10. exd5 Bf5
Corus A 2006 – Round 2 – Van Wely, Loek – 1/2-1/2 – Mamedyarov, Shakhriyar – G10 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be2 d6 6. Nf3 Bg4 7. Be3 Nfd7 8. Rc1 a6 9. O-O c5 10. d5 b5
FIDE World Rapid Championship 2014 – Round 14.32 – Korobov, Anton – 0-1 – Anton Guijarro, David – G81 1. d4 g6 2. Nf3 Nf6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 e5 9. d5 a5 10. h3 Bxf3
GCT Rapid Paris 2017 – Round 1.2 – Nakamura, Hikaru – 1/2-1/2 – Mamedyarov, Shakhriyar – G2 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 O-O 5. Be2 c5 6. d5 d6 7. Nc3 e6 8. O-O Re8 9. e4 exd5 10. exd5 Bf5
Hoogovens Blitz 1999 – Round 3 – Topalov, Veselin – 1-0 – Bosboom, Manuel – G11 1. Nf3 Nf6 2. c4 g6 3. e4 Bg7 4. Nc3 O-O 5. d4 d6 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 Bxf3 9. Bxf3 e5 10. d5 f5
SuperUnited Rapid 2022 – Round 1.4 – Topalov, Veselin – 0-1 – Vachier-Lagrave, Maxime – G4 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 O-O 5. Be2 c5 6. d5 e6 7. Nc3 d6 8. e4 Na6 9. O-O Nc7 10. Be3 b6
World Blitz 2016 – Round 12.29 – Halkias, Stelios – 0-1 – Naiditsch, Arkadij – G483 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. e4 d6 6. Be2 Qe8 7. O-O e5 8. dxe5 dxe5 9. Nd5 Na6 10. Qc2 Nd7
World Blitz 2017 – Round 1.59 – Nguyen, Ngoc Truong Son – 1-0 – Bukannan, Ahmed A – G50 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 b6 7. O-O Bb7 8. Qc2 Nbd7 9. Rd1 c5 10. d5 Ne5
World Blitz 2023 – Round 2.42 – Grebnev, Aleksey – 0-1 – Sanal, Vahap – G121 1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 O-O 6. Bd3 Bg4 7. Be2 Bxf3 8. Bxf3 e5 9. d5 a5 10. Be3 Nbd7
World Blitz 2023 – Round 21.35 – Karthik, V. – 0-1 – Riazantsev, Alexander – G1197 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Re8 7. Bg5 h6 8. Be3 Nc6 9. h3 e5 10. d5 Nd4
World Blitz 2023 – Round 3.3 – Shimanov, Aleksandr – 0-1 – Dubov, Daniil – G167 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 O-O 6. Be2 Re8 7. O-O Nc6 8. d5 Nb4 9. Bg5 e6 10. dxe6 Bxe6
World Cup 1989 – Round 1 – Andersson, Ulf 1949 – 1-0 – Vaganian, Rafael A – G46 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Bg4 7. Be3 Nfd7 8. Rc1 c5 9. d5 Na6 10. O-O Nc7
World Rapid 2021 – Round 12.26 – Sargissian, Gabriel – 1-0 – Theodorou, Nikolas – G698 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 b6 7. O-O e5 8. Re1 Nc6 9. d5 Ne7 10. b4 a5
World Rapid 2021 – Round 8.38 – Gukesh D – 1-0 – Theodorou, Nikolas – G472 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 b6 7. O-O e5 8. Be3 Nc6 9. d5 Ne7 10. Ne1 Nd7

E91a —

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2

Les coups candidats

6…e5 — 72.5% (113712 parties) →

Ambassadeurs : Van Wely, Loek (223x), Ftacnik, Lubomir (193x), Uhlmann, Wolfgang (177x), ? (142x), Herzog, Klaus (130x), Vogt, Lothar (129x), Sakic, Radislav (119x), Grivas, Efstratios (118x)

6…Nbd7 — 9.7% (15209 parties) →

Ambassadeurs : Movsziszian, Karen (41x), Agrest, Inna (25x), Lane, Gary W (23x), Nunn, John D M (20x), Van der Weide, Karel (18x), Kovacs, Arthur Dr. (18x), Mestel, A Jonathan (18x), Sutovsky, Emil (17x)

6…c5 — 4.6% (7230 parties) →

Ambassadeurs : Szell, Lajos (35x), Hausrath, Daniel (32x), Guseinov, Gadir (31x), Hoi, Carsten (29x), Pavlovic, Milos (29x), Lorscheid, Gerhard (27x), Barlov, Dragan (21x), Strikovic, Aleksa (20x)

6…Na6 — 4.3% (6804 parties) →

Ambassadeurs : Kempinski, Robert (50x), Schaefer, Markus (41x), Borisovs, Leonids (37x), Glek, Igor (34x), Bekker-Jensen, Simon (34x), Bojkov, Dejan (31x), Comas Fabrego, Lluis (28x), Perelshteyn, Eugene (28x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…e5	6…Nbd7	6…c5	6…Na6
<1800	3836	57%	18%	8%	3%
1800-2200	48124	69%	12%	5%	4%
2200-2600	74809	77%	7%	4%	6%
2600+	2640	83%	3%	5%	5%

Évolution par décennie (% des parties)

Décennie	N parties	6…e5	6…Nbd7	6…c5	6…Na6
1910s	1	—	100%	—	—
1920s	35	11%	66%	3%	—
1930s	88	10%	68%	2%	—
1940s	117	7%	79%	1%	—
1950s	817	63%	25%	3%	0%
1960s	1997	73%	11%	3%	0%
1970s	3122	76%	9%	4%	—
1980s	7474	73%	12%	4%	0%
1990s	34387	76%	9%	4%	3%
2000s	45709	71%	10%	5%	5%
2010s	52011	72%	9%	5%	5%
2020s	11093	73%	11%	4%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…e5	72%	73%	▲ +1.5%
6…Nbd7	9%	11%	▲ +1.3%
6…c5	5%	4%	▼ -1.3%
6…Na6	5%	6%	▲ +1.0%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 10 parties
Botvinnik, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Tal, Mikhail — 10 parties
Kasparov, Garry — 10 parties
Karpov, Aleksandr — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Ding, Liren — 10 parties
Gukesh D — 10 parties
Fischer, Robert James — 1 partie

Parties historiques

6…e5 — 72.5% (113712 parties)

1923 — Grondman, J. vs Euwe, Max — 0-1 — Amsterdam NED
1923 — van der Veen, Heinz vs Sturm, Jakob — 1-0 — NED
1925 — Graafland, Carla vs Euwe, Max — 1/2-1/2 — NLD Cup
1925 — Straat, Evert-Jan vs Euwe, Max — 0-1 — NLD-ch Amsterdam NED
1931 — Spencer, Edmund vs Morrison, John Harold — 0-1 — Worcester

6…Nbd7 — 9.7% (15209 parties)

1912 — Michell, Reginald vs Te Kolste, Jan Willem — 1-0 — London ENG
1924 — Steiner, Laszlo vs Steiner, Endre — 1/2-1/2 — Gyor
1925 — Steneberg, Fritz vs Gruber, Theodor — 0-1 — Berlin GER
1926 — Acebey Michel, Veroska vs Davidson, Jacques — 0-1 — Semmering AUT
1926 — Pannekoek, Johannes vs Schelfhout, Willem — 1-0 — Utrecht NED

6…c5 — 4.6% (7230 parties)

1926 — Dala Vecchia, Gustavo Kishter vs Gereben, Erno — 0-1 — Kormend
1932 — Rellstab, Ludwig vs Moritz, Bruno — 1/2-1/2 — Swinemuende GER
1938 — Collins, John W vs Dahlstrom Burton — 1-0 — Boston, MA USA
1947 — Turiansky, M vs Kottnauer, Cenek — 0-1 — Vienna AUT
1951 — Bajec, Ivo vs Matanovic, Aleksandar — 0-1 — Sarajevo BIH

6…Na6 — 4.3% (6804 parties)

1957 — Palmiotto, Fiorentino vs Laco, Giuseppe — 1-0 — Reggio Emilia ch ITA
1962 — Hort, Vlastimil vs Filipowicz, Andrzej — 1-0 — Marianske Lazne
1963 — Peterson, Andrejs vs Filipowicz, Andrzej — 1-0 — Soviet Union
1966 — ? vs Sakharov, Yuri N — 0-1 — ?
1980 — Vilela De Acuna, Jose Luis vs Barczay, Laszlo — 0-1 — Polancia Zdroj

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