Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (4v2), ● e4 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● d	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 2)
Bg7		● Bg7 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (● c1, ● f1, ● a1)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé

E96f — King’s Indian: 7.O-O Nbd7, Old Main Line, 10.dxe5

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nbd7 8.Re1 c6 9.Bf1 a5 10.dxe5 dxe5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Na4 (90 % des parties) ; b3 (Préparer le fianchetto — 4 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Qe7 (78 % des parties) ; ...Re8 (16 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1954 Mar del Plata – Round 11 – Bombardo Schroder, Liam – 0-1 – Panno, Oscar – G87 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Re1 c6 9. Bf1 a5 10. dxe5 dxe5
1954 Mar del Plata – Round 5 – Dodero, Emilio – 0-1 – Panno, Oscar – G41 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nbd7 8. Re1 c6 9. Bf1 a5 10. dxe5 dxe5
1958 Mar del Plata – Round 14 – Letelier Martner, Rene – 0-1 – Panno, Oscar – G101 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. Re1 c6 9. Bf1 a5 10. dxe5 dxe5
1961 Mar del Plata – Round 9 – Rossetto, Hector – 1-0 – Bielicki, Carlos – G77 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Nf3 e5 7. O-O Nbd7 8. Re1 c6 9. Bf1 a5 10. dxe5 dxe5
Johannesburg 1981 – Round 2 – Huebner, Robert – 1-0 – Nunn, John D M – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. Re1 c6 9. Bf1 a5 10. dxe5 dxe5

E96f — King’s Indian, Old Main Line (1954)

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nbd7 8.Re1 c6 9.Bf1 a5 10.dxe5 dxe5

Les coups candidats

11.Na4 — 87.9% (138 parties)

Ambassadeurs : Vogt, Lothar (4x), Sakic, Radislav (4x), Schussler, Harry (3x), Rantanen, Yrjo A. (3x), Nemet, Ivan (3x), Mista, Aleksander (3x), Rossetto, Hector (2x), Bielicki, Carlos (2x)

11.Qc2 — 4.5% (7 parties)

Ambassadeurs : Haynes, Trevor Anthony (1x), Advika Pari (1x), Hrbolka, Ladislav (1x), Freisler, Pavel (1x), Sygulski, Boguslaw (1x), Kolesnyak, Serge Germanovich (1x), Brastein, Lars (1x), Mork, Kjell Arne (1x)

11.b3 — 3.2% (5 parties)

Ambassadeurs : Panno, Oscar (2x), Schroeder, Raymond (1x), Dodero, Emilio (1x), Weiss, Peter (1x), Mueller, An (1x), Grigore, George-Gabriel (1x), Szabo, Gergely-Andras-Gyula (1x), Aspiazu Sibri, Marlon (1x)

11.h3 — 2.5% (4 parties)

Ambassadeurs : Corral Blanco, Juan Antonio (1x), Delaney, John (1x), Sarwinski, Miroslaw (1x), Nicevski, Risto (1x), Schmidt, Bodo (1x), Meyer, Peter (1x), Krajcovic, Frantisek (1x), Alexy, Peter (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	11.Na4	11.Qc2	11.b3	11.h3
<1800	1	100%	—	—	—
1800-2200	31	77%	10%	3%	6%
2200-2600	94	90%	3%	2%	2%
2600+	7	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	11.Na4	11.Qc2	11.b3	11.h3
1950s	3	33%	—	67%	—
1960s	2	100%	—	—	—
1970s	14	93%	7%	—	—
1980s	31	90%	—	—	10%
1990s	48	90%	6%	2%	—
2000s	40	92%	5%	2%	—
2010s	15	80%	—	—	7%
2020s	4	50%	25%	25%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
11.Na4	80%	50%	▼ -30.0%
11.Qc2	0%	25%	▲ +25.0%
11.b3	0%	25%	▲ +25.0%
11.h3	7%	0%	▼ -6.7%

Parties historiques

11.Na4 — 87.9% (138 parties)

1958 — Letelier Martner, Rene vs Panno, Oscar — 0-1 — Mar del Plata ARG
1961 — Rossetto, Hector vs Bielicki, Carlos — 1-0 — Mar del Plata
1961 — Rossetto, Hector vs Bielicki, Carlos — 1-0 — Mar del Plata ARG
1978 — Yuferov, Sergey N vs Maryasin, Boris — 1/2-1/2 — Minsk BLR
1978 — Hausner, Ivan vs Vogt, Lothar — 0-1 — Leipzig GER

11.Qc2 — 4.5% (7 parties)

1974 — Haynes, Trevor Anthony vs Advika Pari — 1-0 — Cooma
1990 — Sygulski, Boguslaw vs Kolesnyak, Serge Germanovich — 1-0 — Katowice op Katowice POL
1992 — Hrbolka, Ladislav vs Freisler, Pavel — 1/2-1/2 — Czechoslovakia
1992 — Brastein, Lars vs Mork, Kjell Arne — 0-1 — Norway
2003 — Ivanov, Timur vs Okladnikov, Gennady — 1-0 — Tomsk RUS

11.b3 — 3.2% (5 parties)

1954 — Schroeder, Raymond vs Panno, Oscar — 0-1 — Mar del Plata ARG
1954 — Dodero, Emilio vs Panno, Oscar — 0-1 — Mar del Plata ARG
1993 — Weiss, Peter vs Mueller, An — 1/2-1/2 — Bruchkoebel MVT
2004 — Grigore, George-Gabriel vs Szabo, Gergely-Andras-Gyula — 1-0 — Bucharest ROU
2020 — Aspiazu Sibri, Marlon vs Mendoza Criollo, Carlos David — 1-0 — Guayaquil ECU

11.h3 — 2.5% (4 parties)

1980 — Corral Blanco, Juan Antonio vs Delaney, John — 1/2-1/2 — Groningen ch-EU jr
1985 — Schmidt, Bodo vs Meyer, Peter — 1/2-1/2 — BL
1986 — Sarwinski, Miroslaw vs Nicevski, Risto — 1/2-1/2 — Rzeszow
2019 — Krajcovic, Frantisek vs Alexy, Peter — 1/2-1/2 — Slovakia

1954 Mar del Plata – Round 11 – Bombardo Schroder, Liam – 0-1 – Panno, Oscar – G87

1954 Mar del Plata – Round 5 – Dodero, Emilio – 0-1 – Panno, Oscar – G41

1958 Mar del Plata – Round 14 – Letelier Martner, Rene – 0-1 – Panno, Oscar – G101

1961 Mar del Plata – Round 9 – Rossetto, Hector – 1-0 – Bielicki, Carlos – G77

Johannesburg 1981 – Round 2 – Huebner, Robert – 1-0 – Nunn, John D M – G8