E82g — King’s Indian: Saemisch, Fianchetto, 7.Bd3 Bb7 8.Nge2 c5 9.d5 e6

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 b6 7.Bd3 Bb7 8.Nge2 c5 9.d5 e6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plan principal. Mettre le roi à l'abri (O-O dans 63 % des parties).

Atouts. Les Blancs s'appuient sur un contrôle dominant de f4 et b5 et un fou actif en e3.

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

Plans. O-O (Mettre le roi en sécurité, connecter les tours — 63 % des parties) ; Qd2 (Prépare O-O-O — 22 % des parties) ; Bg5 (Fou actif (mobilité 7) — 14 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plan principal. Manœuvres et amélioration des pièces.

Atouts. Les Noirs s'appuient sur un fou actif en b7.

Côté adverse. Un mauvais fou en d3 et le roi resté au centre.

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

Plans. ...exd5 (Capture en d5, Occuper le centre — 79 % des parties) ; ...Nbd7 (Développer b8 — 15 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● g2→f3, f3→e4, c4→d5, e4→d5	● b6→c5, d6→c5, a7→b6, f7→e6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v1), ● e4 (3v1)	● e5 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bd3	● Bd3 Mauvais (mob. 2)
Be3	● Be3 Actif (mob. 9)
Bb7		● Bb7 Actif (mob. 4)
Bg7		● Bg7 Ok (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	2 (● a1, ● h1)	2 (● b8, ● 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	—

Partie
1963 Capablanca Memorial – Round 1 – Pachman, Ludek – 1/2-1/2 – Tal, Mikhail – G3 1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. e4 Bg7 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. Qd2 exd5
1963 Leningrad ch-URS – Round 1 – Spassky, Boris V. – 1-0 – Gufeld, Eduard – G53 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O Nbd7
1964 Amsterdam Interzonal – Round 18 – Vranesic, Zvonko – 0-1 – Stein, Leonid – G15 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f3 d6 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. Qd2 exd5
1964 Interzonal – Round 18 – Vranesic, Zvonko – 0-1 – Stein, Leonid – G14 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. Qd2 exd5
1964 Kecskemet zt – Round 1 – Pachman, Ludek – 0-1 – Bilek, Istvan – G15 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. g4 exd5
1964 Kecskemet zt – Round 1 – Pachman, Ludek – 1-0 – Pietzsch, Wolfgang – G29 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5
1964 POL-ch21 Warsaw POL – Round 13 – Balcerowski, Witold – 0-1 – Pietrusiak, Bogdan – G30 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O Nbd7
1964 Sarajevo 07th – Round 2 – Hort, Vlastimil – 1/2-1/2 – Bogdanovic, Rajko – G5 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5
1964 Warsaw ch-POL – Round 1 – Balcerowski, Witold – 0-1 – Pietrusiak, Albin – G6 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O Nbd7
1965 Belgrade – Round 8 – Sliwa, Bogdan – 1/2-1/2 – ? – G46 1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5
1965 Capablanca Memorial – Round 15 – Jimenez Zerquera, Eleazar – 1/2-1/2 – Fischer, Robert J – G152 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5
1965 Rio de Janeiro – Round ? – Vasconcellos, Fernando O – 0-1 – Stein, Leonid – G24 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f3 d6 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. Qd2 exd5
1965 Zagreb – Round 6 – Ivkov, Borislav – 1-0 – ? – G68 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5
1966 Hastings6667 – Round 1 – Botvinnik, Mikhail – 1/2-1/2 – Hartston, William R – G1 1. c4 g6 2. e4 Bg7 3. d4 d6 4. Nc3 Nf6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5
1966 Rio Hondo zt – Round 17 – Luckis, Marcos – 1/2-1/2 – Quinones Carrillo, Oscar – G104 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5
1966 Titovo Uzice – Round 1 – Soos, Balint – 1/2-1/2 – Bogdanovic, Rajko – G25 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5
1966 WchTJ U26 fin-A – Round 10 – Gheorghiu, Florin – 1/2-1/2 – Kagan, Shimon – G58 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5
1967 Moscow – Round 1 – Gheorghiu, Florin – 1-0 – Stein, Leonid – G73 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O Nbd7
1967 Oxford ch-BCF – Round 2 – Seppings, JL. – 0-1 – Hindle, Owen M – G22 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nf6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O Nbd7
1967 Oxford ch-BCF – Round 7 – Pritchard, David J – 0-1 – Hindle, Owen M – G64 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be3 d6 6. f3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O Nbd7
1967 Palma de Mallorca – Round 14 – Ivkov, Borislav – 1-0 – Tatai, Stefano – G101 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5
1967 Skopje – Round 12 – Popov, Luben – 1/2-1/2 – Bukic, Enver – G94 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. Bg5 exd5
1967 Winnipeg – Round 1 – Benko, Pal – 1/2-1/2 – Darga, Klaus – G4 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O Nbd7
1967 Winnipeg – Round 4 – Gheorghiu, Florin – 1-0 – Kagan, Shimon – G24 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. Bg5 h6
1968 Bristol ch-BCF – Round 5 – Haygarth, Michael J – 1/2-1/2 – Lee, Paak Hei – G56 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5
1968 Bucharest – Round 11 – Gheorghiu, Florin – 1/2-1/2 – Tringov, Georgi P – G25 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be3 d6 6. f3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. Bg5 exd5
1968 Bucharest – Round 4 – Ghitescu, Theodor – 0-1 – Tringov, Georgi P – G18 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be3 d6 6. f3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5
1968 Reykjavik – Round 1 – Sigurjonsson, Gudmundur – 1-0 – Ostojic, Predrag – G32 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5
1968 Vinkovci – Round 7 – Nikolic, Emil – 0-1 – Gheorghiu, Florin – G40 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5
1969 Praia da Rocha zt – Round 1 – Durão, Joaquim Manuel – 0-1 – Gligorić, Svetozar – G5 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. Qd2 exd5
1969 Praia da Rocha zt – Round 3 – Saborido Carre, Rafael – 1/2-1/2 – Schaufelberger, Heinz – G18 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nf6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5
1969 Rumania – Round 1 – Gheorghiu, Florin – 1-0 – Grunberg, Sergiu-Henric – G5 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. Bg5 Nbd7
1969 Vidmar Memorial – Round 14 – Cortes Gheorghiu, Christian – 1/2-1/2 – Gligoric, Sofija – G44 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. Bg5 exd5
1970 IBM – Round 7 – Spassky, Boris V. – 1/2-1/2 – Tringov, Georgi P – G75 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5
1970 Palma de Mallorca Interzonal – Round 23 – Ivkov, Borislav – 1/2-1/2 – Mecking, Henrique – G141 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 Bb7 8. Nge2 c5 9. d5 e6 10. O-O exd5

E82g — Saemisch, Fianchetto (1963)

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 b6 7.Bd3 Bb7 8.Nge2 c5 9.d5 e6

Les coups candidats

10.O-O — 63.1% (99 parties)

Ambassadeurs : Ghitescu, Theodor (6x), Tringov, Georgi P (4x), Pachman, Ludek (3x), Gheorghiu, Florin (3x), Ivkov, Borislav (3x), Gufeld, Eduard (2x), Hindle, Owen M (2x), ? (2x)

10.Qd2 — 21.7% (34 parties)

Ambassadeurs : Vranesic, Zvonko (3x), Stein, Leonid (3x), Thorvaldsson, Jonas (2x), Vukic, Milan (2x), De Coverly, Roger D (2x), Vasconcellos, Fernando O (1x), Morgado, Juan Sebastian (1x), Barea, Luis (1x)

10.Bg5 — 14.0% (22 parties)

Ambassadeurs : Gheorghiu, Florin (3x), Gligoric, Sofija (2x), Grunberg, Sergiu-Henric (1x), Rodriguez, Odysseus (1x), Jansson, Borje (1x), Tringov, Georgi P (1x), Popov, Vladimir L. (1x), Bukic, Enver (1x)

10.g4 — 0.6% (1 parties)

Ambassadeurs : Pachman, Ludek (1x), Bak, Istvan (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.O-O	10.Qd2	10.Bg5	10.g4
<1800	6	33%	50%	17%	—
1800-2200	17	53%	35%	6%	—
2200-2600	51	63%	22%	16%	—

Évolution par décennie (% des parties)

Décennie	N parties	10.O-O	10.Qd2	10.Bg5	10.g4
1960s	52	62%	23%	12%	2%
1970s	48	56%	25%	19%	—
1980s	15	67%	—	33%	—
1990s	24	71%	21%	8%	—
2000s	10	70%	30%	—	—
2010s	8	75%	25%	—	—

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie
Botvinnik, Mikhail — 1 partie

Parties historiques

10.O-O — 63.1% (99 parties)

1963 — Spassky, Boris Vasily vs Gufeld, Eduard — 1-0 — URS
1963 — Spassky, Boris V. vs Gufeld, Eduard — 1-0 — Leningrad ch-URS
1964 — Liberzon, Vladimir M vs Anoshin, Gennadi N — 1-0 — ?
1964 — Balcerowski, Witold vs Pietrusiak, Bogdan — 0-1 — POL-ch21 Warsaw POL
1964 — Pachman, Ludek vs Tringov, Georgi P — 1-0 — Amsterdam NED

10.Qd2 — 21.7% (34 parties)

1963 — Pachman, Ludek vs Tal, Mikhail — 1/2-1/2 — Havana CUB
1964 — Vranesic, Zvonko vs Stein, Leonid — 0-1 — Amsterdam izt
1964 — Vranesic, Zvonko vs Stein Septiano Malewa Kleden — 0-1 — Amsterdam NED
1964 — Vranesic, Zvonko vs Stein, Leonid — 0-1 — Amsterdam NED
1964 — Rometti, Barbatto vs Thorvaldsson, Jonas — 1/2-1/2 — Tel Aviv ISR

10.Bg5 — 14.0% (22 parties)

1964 — Rodriguez, Odysseus vs Jansson, Borje — 1-0 — Tel Aviv olm
1967 — Popov, Vladimir L. vs Bukic, Enver — 1/2-1/2 — Skopje MKD
1967 — Gheorghiu, Florin vs Kagan, Shimon — 1-0 — Winnipeg CAN
1968 — Gheorghiu, Florin vs Tringov, Georgi P — 1/2-1/2 — Bucharest ROU
1969 — Gheorghiu, Florin vs Grunberg, Sergiu-Henric — 1-0 — Rumania

10.g4 — 0.6% (1 parties)

1964 — Pachman, Ludek vs Bak, Istvan — 0-1 — Kecskemet HUN

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