E74e — King’s Indian: Averbakh, 6…c5 7.d5 Qa5

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5 7.d5 Qa5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ 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 la case forte b5, des fous actifs en e2 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 cavalier g1 et les tours a1 et h1).

Plans. Nf3 (Développer Ng1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte b4….

Atouts. Les Noirs s'appuient sur les cases fortes b4 et g4 et la paire de fous.

Côté adverse. 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) ; ...e6 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Centre ferméLevier noir : e5

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c4→d5, e4→d5	● d6→c5, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v1)	● b4 (2v0), ● g4 (2v1)
Cases faibles	—	● d5
Centre	● d5 (4v1)	● e5 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Be2	● Be2 Actif (mob. 5)
Bg5	● Bg5 Actif (mob. 7)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	3 (● g1, ● 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	fermé
Ruptures	● e4-e5, ● f2-f3	● …e7-e6, ● …e7-e5

Partie
1954 Leningrad ch22-SU sf – Round 1 – Lutikov, Anatoly S – 0-1 – Shcherbakov, Vitaly – G9 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Qd2 e6 9. Nf3 exd5 10. Bxf6 Bxf6
1955 Hungary Ch – Round 1 – Barcza, Gedeon – 1/2-1/2 – Szilagyi, Gyorgy Laszlo – G27 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Qd2 Re8 9. Nf3 e6 10. O-O a6
1955 Hungary Ch – Round 1 – Hajtun, Jozsef – 0-1 – Tapaszto Binet, Laszlo – G20 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 d6 7. Bg5 Qa5 8. Bd2 e5 9. Qc1 a6 10. Nf3 Nbd7
1955 Ljubljana – Round 2 – Bertok, Mario Jr. – 1/2-1/2 – Udovcic, Mijo – G12 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Qd2 a6 9. a4 b5 10. cxb5 Qb4
1955 Moskou ch-URS – Round ? – Averbakh, Yuri L – 1/2-1/2 – Sherbakov, Vitaly – G162 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. Nf3 exd5 10. cxd5 Re8
1955 Zagreb – Round 11 – Rabar, Braslav – 1/2-1/2 – Udovcic, Mijo – G114 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 a6 9. h3 e6 10. a4 Re8
1955 Zagreb – Round 4 – Rabar, Braslav – 1/2-1/2 – Porrecca, Giorgio – G51 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 Re8 9. Nf3 Qd8 10. h3 Na6
1955 Zittau-A 5th – Round 2 – Kahn, Manfred – 0-1 – Eising, Johannes – G5 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Bg5 O-O 7. Be2 Qa5 8. Bd2 a6 9. g4 e6 10. g5 Ne8
1956 Budapest Alekhine – Round 1 – Benko, Pal – 1/2-1/2 – Navarovszky, Laszlo – G6 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. Nf3 exd5 10. exd5 Bg4
1956 GDR Ch Leipzig GER – Round 10 – Kahn, Manfred – 1/2-1/2 – Bauer, Erich – G28 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5 O-O 6. Be2 c5 7. d5 Qa5 8. Bd2 e5 9. g4 Ne8 10. h4 f5
1956 URS Ch sf Tbilisi GEO – Round 9 – Chukaev, Egor – 0-1 – Petrosian, Tigran V – G10 1. c4 g6 2. d4 Bg7 3. Nc3 d6 4. e4 Nf6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. Nf3 exd5 10. exd5 a6
1956 URS Ch, semi final – Round 5 – Krogius, Nikolai V – 1/2-1/2 – Gufeld, Eduard – G60 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 Qc7 9. Nf3 e5 10. O-O Ne8
1957 Hastings5758 – Round 1 – Gligorić, Svetozar – 1-0 – Blau, Max – G11 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 Re8 9. Nf3 Nbd7 10. O-O a6
1957 WchT U26 04th – Round 1.4 – Juettler Helmut – 0-1 – Tringov, Georgi P – G13 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. Nf3 exd5 10. cxd5 Re8
1957 WchT U26 04th – Round 12.4 – Palmqvist Ulf – 0-1 – Tringov, Georgi P – G161 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Qd2 e6 9. Nf3 exd5 10. exd5 Bg4
1958 Mar del Plata – Round 13 – Eliskases, Erich – 1-0 – Reinhardt, Enrique – G94 1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. Nf3 exd5 10. exd5 Qd8
1958 Munich olm fin-A – Round 2 – Nievergelt, Erwin – 0-1 – Tringov, Georgi P – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. Nf3 exd5 10. cxd5 Bg4
1958 Munich olm prel – Round 9.1 – Andersen, Baltser – 1-0 – Prameshuber, Alexander – G93 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e5 9. h4 h5 10. Nh3 Na6
1958 OWL Ch – Round 5 – Lachmann, Hans G – 1-0 – Flatau, Leo – G14 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e5 9. g4 Ne8 10. h4 f5
1958 Portoroz Interzonal – Round 21 – Szabo, Laszlo – 1/2-1/2 – Panno, Oscar – G201 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. Nf3 exd5 10. exd5 Bg4
1958 YUG Ch 13th – Round 7 – Dimc, Dragutin – 1/2-1/2 – Bogdanovic, Rajko – G38 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. f3 e6 9. Qc1 b5 10. Bd2 bxc4
1959 UKR Ch – Round 4 – Stein, Leonid – 1-0 – Shianovsky, Vladislav I – G28 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. Nf3 exd5 10. exd5 a6
1959 URS Team Ch – Round 1 – Borisenko, Georgy K – 1-0 – Weisberg, Mark L – G33 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. Nf3 exd5 10. exd5 Bg4
1961 CSR Ch – Round 10 – Rejfir, Josef – 1-0 – Trapl, Jindrich – G93 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e5 9. g4 a6 10. h4 Qd8
1962 Varna olm – Round 5 – Roth, Rolf – 0-1 – Tringov, Georgi P – G135 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. Bd3 exd5 10. cxd5 a6
1964 Bordeaux Open Bordeaux FRA – Round 3 – Bilek, Istvan – 1/2-1/2 – Tringov, Georgi P – G19 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. Nf3 exd5 10. exd5 Bg4
1964 Zuerich-J – Round ? – Pfleger, Helmut, Dr. – 1/2-1/2 – Hess Jakobsen, Nicolai – G2 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Bg5 Qa5 8. Bd2 e6 9. Nf3 Qb6 10. O-O exd5
1965 Asztalos Memorial 8th – Round 13 – Borisenko, Georgy K – 1-0 – Paoli, Enrico – G80 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Bg5 Qa5 8. Bd2 Na6 9. Nf3 Bg4 10. O-O Bxf3
1965 Capablanca Memorial – Round 9 – O'Kelly, Albéric de Galway – 1/2-1/2 – Cobo Arteaga, Eldis – G85 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Qd2 a6 9. a4 b5 10. cxb5 axb5
1966 Asztalos Memorial 9th – Round 2 – Lengyel, Levente – 1/2-1/2 – Bukic, Enver – G6 1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. Nf3 exd5 10. cxd5 a6
1966 CSR Ch Int 1st – Round 2 – Pietzsch, Wolfgang – 1/2-1/2 – Bilek, Istvan – G9 1. e4 d6 2. d4 g6 3. c4 Bg7 4. Nc3 Nf6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. Nf3 exd5 10. exd5 a6
1966 La Habana olm fin-B – Round 8 – Zinser, Sylvain – 1/2-1/2 – De Greif, Boris – G112 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be2 d6 6. Bg5 c5 7. d5 Qa5 8. Bd2 Qc7 9. Nf3 e6 10. O-O exd5
1967 FRA Ch Dieppe FRA – Round 9 – Albazi Hanna, Kamil Nicolas – 0-1 – Casa, Alex – G32 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 Nbd7 9. Qc1 h5 10. h3 Qd8
1967 Oxford ch-BCF – Round 7 – Hoad, PC. – 1/2-1/2 – Lee, Peter N – G65 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. f3 a6 9. a4 Nbd7 10. Nh3 h6
1967 Rubinstein Memorial – Round 10 – Hort, Vlastimil – 1/2-1/2 – Uhlmann, Wolfgang – G30 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. Nf3 exd5 10. exd5 a6
1968 Lugano SUI – Round 11 – Magrin, Antonio – 0-1 – Fernandez Shaw, Teo James – G99 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Bg5 Qa5 8. Qd2 Rd8 9. Rd1 a6 10. f3 Nbd7
1968 Vinkovci – Round 10 – Hort, Vlastimil – 1-0 – Matov, Mladen – G57 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 Qd8 9. Nf3 Nbd7 10. O-O Ne8
1969 Castlebar Open – Round 7 – Reuben, Stewart – 0-1 – Huebner, Robert – G22 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 O-O 7. Bg5 Qa5 8. Qd2 a6 9. Nf3 b5 10. cxb5 axb5
1969 Nordic Ch Lidkoping SWE – Round 4 – Hamann, Svend – 1/2-1/2 – Jakobsen, Ole – G4 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Qd2 a6 9. a4 e6 10. Nf3 exd5
1969 Palma de Mallorca – Round 12 – Panno, Oscar – 1-0 – Toran Albero, Roman – G104 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. Nf3 exd5 10. cxd5 a6
1969 Reggio Emilia 6970 12th – Round ? – Troianescu, Octav – 0-1 – Mista, Ladislav – G3 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Bg5 O-O 6. Be2 c5 7. d5 Qa5 8. Qd2 a6 9. Nf3 b5 10. O-O b4
Mar del Plata 1982 – Round 1 – Seirawan, Yasser – 1-0 – Quinteros, Miguel Angel – G19 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 e6 9. Nf3 exd5 10. exd5 Bg4

E74e — Averbakh

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5 7.d5 Qa5

Les coups candidats

8.Bd2 — 62.8% (304 parties)

Ambassadeurs : Velimirovic, Dragoljub (6x), Bak, Istvan (4x), Tringov, Georgi P (4x), Forintos, Gyozo V (4x), Djuric, Stefan (4x), Bakheet Farag (4x), Atalik, Suat (4x), De Greif, Boris (3x)

8.Qd2 — 34.3% (166 parties)

Ambassadeurs : Magrin, Antonio (2x), Onasch, Gunnar (2x), Schwahn, Christian (2x), Kaminski, Marcin (2x), Korres, Georg. (2x), Vasiljevic, Dragan (2x), Mrdja, Milan (2x), Stepak, Yedael (1x)

8.f3 — 1.7% (8 parties)

Ambassadeurs : Lee, Peter N (2x), Hoad, Zeline (1x), Hoad, Philip Charles (1x), Dimc, Dragutin (1x), Bogdanovic, Rajko (1x), Campos, Jose Felix (1x), Barreto, Carlos (1x), Shishkin, Vadim (1x)

8.Kf1 — 0.8% (4 parties)

Ambassadeurs : Niephaus, Walter (1x), Molnar, Aaron (1x), Ader, Darya (1x), Jimenez Alastre Jorge Ernesto (1x), Magrin, Antonio (1x), Mariani, Claudio Martin Vicente (1x), Rossetto, Hector (1x), Rapaka Samuel Paul (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Bd2	8.Qd2	8.f3	8.Kf1
<1800	14	43%	57%	—	—
1800-2200	148	49%	48%	2%	1%
2200-2600	176	76%	23%	1%	—

Évolution par décennie (% des parties)

Décennie	N parties	8.Bd2	8.Qd2	8.f3	8.Kf1
1950s	42	81%	14%	2%	2%
1960s	35	63%	29%	6%	3%
1970s	34	76%	18%	—	6%
1980s	45	80%	20%	—	—
1990s	123	56%	41%	2%	—
2000s	99	57%	42%	1%	—
2010s	91	62%	35%	1%	—
2020s	15	33%	67%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Bd2	62%	33%	▼ -28.2%
8.Qd2	35%	67%	▲ +31.5%
8.f3	1%	0%	▼ -1.1%
8.Kf1	0%	0%	+0.0%

Parties historiques

8.Bd2 — 62.8% (304 parties)

1954 — Tartakower, Savielly vs Molnar, Francois — 1-0 — Paris FRA
1954 — Dolezal, Jiri vs Sajtar, Jaroslav — 1/2-1/2 — Prague CZE
1955 — Rabar, Braslav vs Porrecca, Giorgio — 1/2-1/2 — Zagreb CRO
1955 — Foldi, Jozsef vs Tapaszto Binet, Laszlo — 1-0 — Hungary ch
1955 — Foldi, Jozsef vs Sandor, Bela — 1/2-1/2 — Hungary ch

8.Qd2 — 34.3% (166 parties)

1954 — Lutikov, Anatoly S vs Salov, Vitaly V. — 0-1 — Leningrad ch22-SU sf
1955 — Bertok, Mario Jr. vs Udovcic, Mijo — 1/2-1/2 — Ljubljana
1955 — Anay Barche vs Szilagyi, Gyorgy Laszlo — 1/2-1/2 — Hungary ch
1957 — Palmqvist, Ulf vs Tringov, Georgi P — 0-1 — Reykjavik ISL
1957 — Spektor, L vs Salov, Sergej — 1/2-1/2 — ?

8.f3 — 1.7% (8 parties)

1958 — Dimc, Dragutin vs Bogdanovic, Rajko — 1/2-1/2 — Sarajevo BIH
1967 — Hoad, Zeline vs Lee, Peter N — 1/2-1/2 — Oxford ch GB
1967 — Hoad, Philip Charles vs Lee, Peter N — 1/2-1/2 — Oxford ch-BCF
1992 — Budnikov, Aleksandr vs Allgaier, Erik — 1-0 — Berlin GER
1993 — Shishkin, Vadim vs Markowski, Tomasz — 1/2-1/2 — Katowice POL

8.Kf1 — 0.8% (4 parties)

1952 — Niephaus, Walter vs Molnar, Aaron — 1/2-1/2 — CCOL2 corr
1965 — Ader, Darya vs Jimenez Alastre Jorge Ernesto — 1/2-1/2 — Santiago Santiago de Chile
1970 — Magrin, Antonio vs Mariani, Claudio Martin Vicente — 1/2-1/2 — Sottomarina ITA
1970 — Rossetto, Hector vs Rapaka Samuel Paul — 1/2-1/2 — Buenos Aires ARG

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