E86a — King’s Indian: Saemisch, Orthodox, 7.Nge2 c6

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.Nge2 c6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Qd2 (Prépare O-O-O — 83 % des parties) ; d5 (Occuper le centre — 12 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...Nbd7 (Développer b8 — 60 % des parties) ; ...a6 (Préparer expansion aile dame — 9 % des parties) ; ...exd4 (Capture en d4, Occuper le centre — 8 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● g2→f3, f3→e4	● d6→e5, b7→c6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 0)
Be3	● Be3 Actif (mob. 7)
Bg7		● Bg7 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (● f1, ● 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	● c4-c5, ● d4-d5, ● f3-f4	● …c6-c5, ● …d6-d5

Partie
1955 USSR – Round 7.8 – Shamkovich, Leonid – 0-1 – Borisenko, Georgy K – G9 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 e5 6. Nge2 O-O 7. Be3 c6 8. g4 Nbd7 9. d5 cxd5 10. cxd5 Ne8
1959 York ch-BCF – Round 8 – Fazekas, Stephan – 1/2-1/2 – Barden, Leonard – G93 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6 8. dxe5 dxe5 9. Qxd8 Rxd8 10. g4 Be6
1963 Capablanca Memorial – Round 5 – Broderman, Jose – 0-1 – Robatsch, Karl – G48 1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. f3 O-O 6. Be3 c6 7. Nge2 e5 8. dxe5 dxe5 9. Qxd8 Rxd8 10. g3 Na6
1966 Tel Aviv 6th – Round 4 – Stepak, Yedael – 1/2-1/2 – Gligoric, Svetozar – G11 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6 8. dxe5 dxe5 9. Qxd8 Rxd8 10. Rd1 Rxd1+
1967 Skopje – Round 3 – Kholmov, Ratmir D – 1/2-1/2 – Janosevic, Dragoljub – G26 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6 8. dxe5 dxe5 9. Qxd8 Rxd8 10. Nc1 Be6

E86a — Sämisch Variation (1955)

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.Nge2 c6

Les coups candidats

8.Qd2 — 83.0% (2264 parties) →

Ambassadeurs : Thipsay, Praveen M (14x), Bischoff, Klaus (13x), Campos Moreno, Javier B. (12x), Hoi, Carsten (10x), Estremera Panos, Sergio (10x), Sliwa, Bogdan (9x), Perdomo, Leandro (9x), Atalik, Suat (8x)

8.d5 — 12.0% (328 parties) →

Ambassadeurs : Bobotsov, Milko G (6x), Miguel, Nahuel (5x), Lokvenc, Josef (4x), Geller, Efim P. (4x), Milev, Zdravko (4x), Petrosian, Tigran V. (3x), Szabo, Laszlo (3x), Thorbergsson, Freysteinn (2x)

8.Qb3 — 3.4% (93 parties) →

Ambassadeurs : Korchnoi, Viktor (4x), Herraiz Hidalgo, Herminio (4x), Tal, Mikhail (3x), Kotov, Alexander (3x), Ballo, Emanuel (3x), Vaitonis, Povilas (2x), Benko, Pal (2x), Aronin, Lev (2x)

8.dxe5 — 0.7% (20 parties)

Ambassadeurs : Broderman, Jose (1x), Robatsch, Karl (1x), Fazekas, Stephan (1x), Barden, Leonard (1x), Stepak, Yedael (1x), Gligoric, Svetozar (1x), Kholmov, Ratmir D (1x), Janosevic, Dragoljub (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Qd2	8.d5	8.Qb3	8.dxe5
<1800	81	83%	11%	4%	1%
1800-2200	946	85%	11%	2%	1%
2200-2600	1018	84%	12%	3%	1%
2600+	42	93%	5%	2%	—

Évolution par décennie (% des parties)

Décennie	N parties	8.Qd2	8.d5	8.Qb3	8.dxe5
1950s	147	63%	22%	14%	1%
1960s	149	67%	28%	1%	2%
1970s	79	76%	20%	3%	1%
1980s	124	85%	10%	4%	—
1990s	881	86%	7%	4%	1%
2000s	665	83%	14%	2%	0%
2010s	632	87%	10%	2%	1%
2020s	52	85%	12%	2%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Qd2	87%	85%	▼ -2.3%
8.d5	10%	12%	▲ +1.7%
8.Qb3	2%	2%	+0.2%
8.dxe5	1%	2%	▲ +1.3%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 8 parties
Karpov, Anatoly — 8 parties
Kramnik, Vladimir — 7 parties
Ju, Wenjun — 6 parties
Tal, Mikhail — 4 parties
Ding, Liren — 2 parties
Smyslov, Vladimir — 1 partie

Parties historiques

8.Qd2 — 83.0% (2264 parties)

1951 — Rabar, Braslav vs Matanovic, Aleksandar — 1/2-1/2 — Ljubljana
1952 — Tolush, Alexander vs Boleslavsky, Isaac — 1/2-1/2 — USSR
1952 — Prosdocimi, Arrigo vs German, Eugenio — 0-1 — Sao Paulo ch BRA
1952 — Reinhardt, Bahamonte vs Panno, Oscar — 1-0 — Buenos Aires ARG
1952 — Reinhardt, Enrique vs Panno, Oscar — 1-0 — Buenos Aires ARG

8.d5 — 12.0% (328 parties)

1953 — Bertok, Mario Jr. vs Porreca, Giorgio — 0-1 — Opatija
1953 — Doda, Zbigniew vs Kwapisz, Stanislaw — 1-0 — Krakow POL
1953 — Schoenherr, Helmut vs Auer, Guenter — 1-0 — cr.
1954 — Lokvenc, Josef vs Geller, Efim P. — 1/2-1/2 — Amsterdam NED
1954 — Lokvenc, Josef vs Geller, Efim P. — 1/2-1/2 — Amsterdam olm

8.Qb3 — 3.4% (93 parties)

1952 — Szapiel, Henryk vs Ciejka, Tadeusz — 1/2-1/2 — Katowice POL
1953 — Partyka, Kazimierz vs Grabczewski, Romuald — 1-0 — Krakow POL
1953 — Sajtar, Jaroslav vs Radulescu, Mihai — 1-0 — Bucharest ROU
1953 — Cretulescu vs Soos, Bela — 0-1 — Bukarest
1954 — Aronin, Lev vs Suetin, Alexey S — 1-0 — Riga LAT

8.dxe5 — 0.7% (20 parties)

1959 — Fazekas, Stephan vs Barden, Leonard — 1/2-1/2 — York ch-BCF
1963 — Broderman, Jose vs Robatsch, Karl — 0-1 — Havana CUB
1966 — Stepak, Yedael vs Gligoric, Svetozar — 1/2-1/2 — Tel Aviv ISR
1967 — Kholmov, Ratmir D vs Janosevic, Dragoljub — 1/2-1/2 — Skopje MKD
1978 — Hess, Ralf E. vs Degenhardt, Horst — 1-0 — Grosskrotzenburg

1955 USSR – Round 7.8 – Shamkovich, Leonid – 0-1 – Borisenko, Georgy K – G9

1959 York ch-BCF – Round 8 – Fazekas, Stephan – 1/2-1/2 – Barden, Leonard – G93

1963 Capablanca Memorial – Round 5 – Broderman, Jose – 0-1 – Robatsch, Karl – G48

1966 Tel Aviv 6th – Round 4 – Stepak, Yedael – 1/2-1/2 – Gligoric, Svetozar – G11

1967 Skopje – Round 3 – Kholmov, Ratmir D – 1/2-1/2 – Janosevic, Dragoljub – G26