E74i — King’s Indian: Averbakh, 6…c5 7.d5 a6 8.a4 Qa5

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5 7.d5 a6 8.a4 Qa5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d5, Be2 actif, Bg5 actif, paire de fous.
Faiblesses adverses : arriéré b7, Bg7 enfermé, Bc8 enfermé.
Problèmes : roi au centre, arriéré b2, 3 pièces non développées (G1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nf3 — Développer Ng1

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte b4, case forte g4, case forte c5, paire de fous.
Faiblesses adverses : arriéré b2, roi blanc au centre.
Problèmes : Bg7 enfermé, Bc8 enfermé, arriéré b7, 3 pièces non développées (B8, C8, A8).
Plans :
● ...Nbd7 — Développer Nb8
● ...Bf5 — Développer Bc8
● ...e6 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E74i — Averbakh

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5 7.d5 a6 8.a4 Qa5

Eval: [+0.92]

Les coups candidats

9.Bd2 — 87.1% (264 parties)

Ambassadeurs : Gligorić, Svetozar (7x), Portisch, Lajos (6x), Borisenko, Georgy K (5x), Horvath, Csaba (4x), Madl, Ildiko (3x), Nikolin, Zorica (3x), Toran Albero, Roman (2x), Saidy, Anthony (2x)

9.Qd2 — 11.2% (34 parties)

Ambassadeurs : Popov, Luben (1x), Kaikamdzozov, Jivko (1x), Puig, Pedro (1x), Toran Albero, Roman (1x), Neis, Dieter (1x), Maeder, Karl-Heinz (1x), Lutz, Rene (1x), Hofmann, Michael (1x)

9.Kf1 — 0.7% (2 parties)

Ambassadeurs : Szabo, Laszlo (1x), Gligoric, Svetozar (1x), Hertneck, Gerald (1x), Marxen, Peter, Dr. (1x)

9.f3 — 0.7% (2 parties)

Ambassadeurs : Press, Grigory (1x), Vasiukov, Evgeni (1x), Radovanovic, Nikola (1x), Dogan, Nazmi Can (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Bd2	9.Qd2	9.Kf1	9.f3
<1800	1	—	100%	—	—
1800-2200	63	79%	21%	—	—
2200-2600	138	91%	7%	1%	1%
2600+	2	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9.Bd2	9.Qd2	9.Kf1	9.f3
1950s	17	76%	12%	6%	—
1960s	25	96%	4%	—	—
1970s	28	93%	4%	—	4%
1980s	29	97%	3%	—	—
1990s	99	90%	10%	—	—
2000s	47	85%	13%	2%	—
2010s	53	75%	23%	—	2%
2020s	5	80%	20%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Bd2	75%	80%	▲ +4.5%
9.Qd2	23%	20%	▼ -2.6%
9.Kf1	0%	0%	+0.0%
9.f3	2%	0%	▼ -1.9%

Parties historiques

9.Bd2 — 87.1% (264 parties)

1953 — Averbakh, Yuri L vs Boleslavsky, Isaac — 1-0 — Gagra
1954 — Ragozin, Viacheslav vs Borisenko, Georgy K — 1/2-1/2 — Kiev ch-URS
1954 — Borisenko, Georgy K vs Yudovich, Mikhail M — 1-0 — URS-ch sf Gorky
1955 — Gobert, Jozef vs Van Den Broeck, Hans — 0-1 — Merksem
1955 — Jeney, F. vs Benko, P. — 0-1 — Hungary ch

9.Qd2 — 11.2% (34 parties)

1957 — Popov, Luben vs Kaikamdzozov, Jivko — 0-1 — Sofia BUL
1959 — Puig, Pedro vs Toran Albero, Roman — 0-1 — Madrid ESP
1968 — Neis, Dieter vs Maeder, Karl-Heinz — 0-1 — Saarbruecken
1970 — De Winter Gallegos, Willy vs Patterson, Nicholas J — 0-1 — Siegen olm
1981 — Lutz, Rene vs Hofmann, Michael — 0-1 — Haderslev

9.Kf1 — 0.7% (2 parties)

1958 — Szabo, Laszlo vs Gligoric, Svetozar — 1/2-1/2 — Portoroz SLO
2005 — Hertneck, Gerald vs Marxen, Peter, Dr. — 1-0 — Stuttgart GER

9.f3 — 0.7% (2 parties)

1979 — Press, Grigory vs Vasiukov, Evgeni — 0-1 — URS
2015 — Radovanovic, Nikola vs Dogan, Nazmi Can — 1-0 — Skopje MKD

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● b2	● b7
Chaînes	● c4→d5, e4→d5	● d6→c5, b7→a6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (4v1)	● b4 (2v0), ● g4 (2v1), ● c5 (2v0)
Cases faibles	—	—
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 Kiev ch-URS – Round 1 – Ragozin, Viacheslav – 1/2-1/2 – Borisenko, Georgy K – G74 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5 O-O 6. Be2 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e5 10. dxe6 fxe6
1954 URS Ch sf Gorky – Round 6 – Borisenko, Georgy K – 1-0 – Yudovich, Mikhail M – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 exd5
1956 Alekhine Memorial – Round ? – Ciocaltea, Victor – 0-1 – Gligorić, Svetozar – G96 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. g4 exd5
1956 Marianske Lazne/Praha – Round 13 – Pachman, Ludek – 1/2-1/2 – Alster, Ladislav – G33 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 exd5
1956 Moscow – Round 1 – Ciocaltea, Victor – 0-1 – Gligorić, Svetozar – G7 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bc1 e6 10. g4 exd5
1956 URS Ch sf – Round ? – Borisenko, Georgy K – 1-0 – Nezhmetdinov, Rashid – G42 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be2 d6 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 Qd8
1957 Mar del Plata – Round 7 – Najdorf, Miguel – 1-0 – Bianco Esposito, Antonio – G70 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 exd5
1958 Munich olm prel – Round 9 – Stahlberg, Gideon – 1/2-1/2 – Gligorić, Svetozar – G87 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 exd5
1958 Portoroz Interzonal – Round 11 – Szabo, Laszlo – 1/2-1/2 – Gligoric, Svetozar – G103 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Kf1 e6 10. h4 exd5
1959 Madrid – Round 4 – Puig, Pedro – 0-1 – Toran Albero, Roman – G20 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Qd2 e6 10. Ra3 exd5
1961 GDR Ch Premnitz GER – Round 1 – Kahn, Manfred – 1/2-1/2 – Zirngibl, Albert – G2 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 Qc7 10. Nf3 e6
1962 Yalta – Round ? – Alatortsev, Vladimir N. – 0-1 – Polugaevsky, Lev – G10 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be2 d6 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 Qc7 10. Nf3 e5
1965 Asztalos Memorial 8th – Round 9 – Borisenko, Georgy K – 1/2-1/2 – Pirc, Vasja – G55 1. d4 c5 2. d5 d6 3. e4 g6 4. Be2 Bg7 5. c4 Nf6 6. Nc3 O-O 7. Bg5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 exd5
1966 Palma de Mallorca – Round 2 – Portisch, Lajos – 1-0 – Visier Segovia, Fernando – G12 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 exd5
1966 US Open – Round 6 – Lombardy, William J – 1/2-1/2 – Saidy, Anthony – G37 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 exd5
1966 Vrnjacka Banja – Round 1 – Portisch, Lajos – 1/2-1/2 – Gligorić, Svetozar – G4 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 exd5
1967 DSV-Turnier – Round 9 – Golz, Werner – 0-1 – Bukic, Enver – G56 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 exd5
1968 Clare Benedict Cup 15th – Round 3 – Langeweg, Kick – 0-1 – Toran Albero, Roman – G13 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 exd5
1968 Hoogovens – Round 14 – Donner, H. – 0-1 – Ciric, Dimitrije – G119 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Bg5 a6 8. a4 Qa5 9. Bd2 Qc7 10. Nf3 e6
1968 Wijk aan Zee II – Round 1 – Doda, Zbigniew – 1/2-1/2 – Marovic, Drazen – G6 1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 exd5
1969 Athens zt – Round 8 – Stoppel, Franz – 1/2-1/2 – Nicevski, Risto – G40 1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. e4 Nf6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 exd5
1969 Monte Carlo-B – Round 7 – Huguet, Bernard – 1/2-1/2 – Todorcevic Antic, Miodrag – G34 1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 Qc7 10. f4 e6
1969 Rubinstein Memorial – Round 7 – Saidy, Anthony – 1-0 – Schmidt, Waldemar – G26 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 exd5
1970 IBM – Round 10 – Donner, Jan Hein – 1/2-1/2 – Hartoch, Robert G – G51 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 O-O 7. Bg5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 Qc7
1970 Palma de Mallorca Interzonal – Round 1 – Uhlmann, Wolfgang – 1-0 – Gligoric, Svetozar – G131 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 exd5
1970 Vinkovci – Round 14 – Bertok, Mario – 1/2-1/2 – Gligoric, Svetozar – G43 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 exd5
1972 San Antonio – Round 9 – Gligoric, Svetozar – 1/2-1/2 – Kaplan, Julio – G50 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. Nf3 exd5
1975 URS Team Ch – Round 4 – Agzamov, Georgy – 1-0 – Rytov, Boris – G47 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Bg5 c5 7. d5 a6 8. a4 Qa5 9. Bd2 e6 10. h3 Re8

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