E95i — King’s Indian: 7.O-O Nbd7 8.Re1 c6 9.Rb1

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.Rb1 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte g5.

Atouts. Les Blancs s'appuient sur la case forte g5 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8.

Plans. Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Jeu au centre (rupture c6-c5).

Atouts. Les Noirs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en c1 et e2.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...c5 (Rupture) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (3v2)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Be2	● Be2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	1 (● c1)	2 (● c8, ● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5, ● d4-d5	● …c6-c5, ● …d6-d5

Partie
1952 Helsinki olm – Round 1 – Rabar, Bakhtyar Hamasaleh – 1-0 – Pietzsch, Wolfgang – G37 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 g6 5. e4 e5 6. Be2 Bg7 7. O-O O-O 8. Re1 c6 9. Rb1 a5 10. b3 exd4
1952 Hungary Ch – Round 12 – Florian, Tibor – 1-0 – Koberl, Ferenc – G13 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Nf3 Nbd7 7. O-O e5 8. Re1 c6 9. Rb1 exd4 10. Nxd4 Nc5
1952 JUG Ch – Round 12 – Rabar, Braslav – 0-1 – Gligorić, Svetozar – G76 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Rb1 c6 9. Re1 Re8 10. Bf1 Ng4
1952 Mar del Plata – Round 6 – Letelier Martner, Rene – 0-1 – Reinhardt, Enrique – G45 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. Rb1 Re8 10. d5 c5
1952 Paignton Premier 2nd – Round 6 – Barden, Leonard – 1-0 – Oakley, Peter James – G14 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. Rb1 Re8 10. Bf1 exd4
1952 Paignton Premier 2nd – Round 7 – Barden, Leonard – 1/2-1/2 – Wood, Baruch – G17 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. Rb1 Re8 10. Bf1 Qc7 1/2-1/2
1953 Milan 2nd – Round 2 – Kottnauer, Cenek – 1-0 – Paoli, Enrico – G4 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Nbd7 6. Be2 O-O 7. O-O e5 8. Re1 c6 9. Rb1 Qc7 10. b4 Re8
1954 Mar del Plata – Round 11 – Jauregui, Carlos – 0-1 – Najdorf, Miguel – G86 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nf3 g6 6. Be2 Bg7 7. O-O O-O 8. Re1 c6 9. Rb1 a5 10. b3 exd4
1954 Mar del Plata ARG – Round 15 – Najdorf, Miguel – 0-1 – Pilnik, Herman – G13 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. Rb1 Re8 10. Bf1 Ng4
1954 Montevideo – Round 2.7 – Corral, Hector – 0-1 – Boleslavsky, Isaac – G43 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. Rb1 exd4 10. Nxd4 Re8
1954 Olympiad final B – Round 1 – O'Kelly de Galway, Alberic – 1-0 – Cuellar Gacharna, Miguel – G5 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 c6 6. Be2 g6 7. O-O Bg7 8. Re1 O-O 9. Rb1 a5 10. b3 exd4
1959 New York ch-USA – Round 3 – Benko, Pal – 1/2-1/2 – Reshevsky, Samuel – G12 1. c4 g6 2. d4 Bg7 3. Nf3 Nf6 4. Nc3 d6 5. e4 O-O 6. Be2 c6 7. O-O e5 8. Rb1 Nbd7 9. Re1 Re8 10. d5 cxd5
1961 Buenos Aires ch-ARG – Round 3 – Steinbaum, Fernando – 0-1 – Goldenberg, Edgardo – G20 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. O-O Nbd7 8. Re1 c6 9. Rb1 a5 10. d5 Nc5
1961 URS-ch29 sf Novgorod – Round 9 – Suetin, Alexey S – 1-0 – Heuer, Valter – G27 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. c4 Ngf6 5. Nc3 c6 6. Be2 g6 7. O-O Bg7 8. Re1 O-O 9. Rb1 Re8 10. Bf1 exd4
1963 Budapest ch-HUN – Round 1 – Navarovszky, Laszlo – 1-0 – Sapi, Laszlo – G101 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be2 d6 6. Nf3 Nbd7 7. O-O e5 8. Re1 c6 9. Rb1 Re8 10. d5 cxd5
1963 Capablanca Memorial – Round 21 – De Greiff, B. – 0-1 – Darga, Klaus – G195 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. Rb1 exd4 10. Nxd4 Re8
1963 CSR Ch sf – Round 4.5 – Benes, Vratislav – 1/2-1/2 – Olexa, Vilem – G18 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Nbd7 7. O-O e5 8. Re1 c6 9. Rb1 Re8 10. Bf1 exd4
1964 Buenos Aires Ch – Round ? – Carballo Madrigal, Fabian – 0-1 – Rubinetti, Jorge – G2 1. c4 e5 2. Nc3 Nf6 3. e4 c6 4. Nf3 d6 5. d4 Nbd7 6. Be2 g6 7. O-O Bg7 8. Rb1 O-O 9. Re1 Re8 10. d5 c5
1964 Tel Aviv olm fin-B – Round 3 – Kottnauer, Cenek – 1/2-1/2 – Saguier, Emiliano – G31 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 Nbd7 7. O-O e5 8. Re1 c6 9. Rb1 exd4 10. Nxd4 Re8
1965 Budapest – Round 1 – Popov, Vladimir – 1/2-1/2 – Vasiukov, Evgeni – G15 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5 7. O-O Nbd7 8. Re1 c6 9. Rb1 Re8 10. d5 Nc5
1965 Capablanca Memorial – Round 14 – Haro Garcia, Gilberto – 0-1 – Doda, Zbigniew – G138 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 g6 6. Be2 Bg7 7. O-O O-O 8. Re1 c6 9. Rb1 a5 10. b3 exd4
1965 Kiel Open – Round 7 – Rellstab, Ludwig – 0-1 – Kestler, Hans-Guenther – G34 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 g6 6. Be2 Bg7 7. O-O O-O 8. Re1 c6 9. Rb1 a5 10. b3 exd4
1968 BRA Ch – Round 1 – De Souza, Antonio Claudio – 1/2-1/2 – Rocha, Antonio – G1 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 Nbd7 7. O-O e5 8. Re1 c6 9. Rb1 exd4 10. Nxd4 Re8
1968 Palma de Mallorca – Round 15 – Diez del Corral, Jesus – 1-0 – Visier Segovia, Fernando – G133 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. Rb1 a5 10. b3 Re8
1969 Skopje – Round 1 – Puc, Stojan – 0-1 – Weiman Hort, Valentin – G7 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e4 d6 6. Be2 e5 7. O-O Nbd7 8. Re1 c6 9. Rb1 exd4 10. Nxd4 Nc5
Bugojno 1980 – Round 8 – Andersson, Ulf 1949 – 1-0 – Kavalek, Lubomir – G31 1. c4 e5 2. Nc3 d6 3. d4 Nd7 4. Nf3 Ngf6 5. e4 g6 6. Be2 Bg7 7. O-O O-O 8. Re1 c6 9. Rb1 a6 10. dxe5 Nxe5

E95i —

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.Rb1

Les coups candidats

9…a5 — 36.8% (120 parties)

Ambassadeurs : Mestel, A Jonathan (3x), Roeder, Matthias (3x), Doda, Zbigniew (2x), Portisch, Ferenc (2x), O'Kelly de Galway, Alberic (2x), Adad, Carlos (2x), Teschner, Rudolf (2x), Henley, Ron (2x)

9…exd4 — 26.7% (87 parties)

Ambassadeurs : Knaak, Rainer (2x), Taylor, Gordon (2x), Harper, Bruce (2x), Taimanov, Mark (2x), Romanishin, Oleg M (2x), Florian, Tibor (1x), Koberl, Ferenc (1x), Volpert, Larisa (1x)

9…Re8 — 19.3% (63 parties)

Ambassadeurs : Barden, Leonard (2x), Gligorić, Svetozar (2x), Bielczyk, Jacek (2x), Dueball, Juergen (2x), Carballo Madrigal, Fabian (1x), Rubinetti, Jorge (1x), Benko, Pal (1x), Reshevsky, Samuel (1x)

9…a6 — 4.3% (14 parties)

Ambassadeurs : Gligoric, Svetozar (3x), Hort, Vlastimil (2x), Ivkov, Borislav (2x), Andersson, Ulf (1x), Kavalek, Lubomir (1x), Gligorić, Svetozar (1x), Cafferty, Bernard (1x), Rutherford, L. (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…a5	9…exd4	9…Re8	9…a6
<1800	1	—	100%	—	—
1800-2200	64	28%	17%	27%	5%
2200-2600	173	38%	32%	14%	6%
2600+	1	—	100%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…a5	9…exd4	9…Re8	9…a6
1950s	17	41%	18%	35%	—
1960s	25	40%	24%	24%	—
1970s	35	46%	20%	23%	—
1980s	44	34%	39%	11%	11%
1990s	55	33%	31%	16%	5%
2000s	80	40%	22%	18%	4%
2010s	63	33%	25%	22%	5%
2020s	7	14%	43%	14%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…a5	33%	14%	▼ -19.0%
9…exd4	25%	43%	▲ +17.5%
9…Re8	22%	14%	▼ -7.9%
9…a6	5%	0%	▼ -4.8%

Parties historiques

9…a5 — 36.8% (120 parties)

1952 — Rabar, Bakhtyar Hamasaleh vs Pietzsch, Wolfgang — 1-0 — Helsinki FIN
1952 — Negyesy, Gyorgy vs Gereben, Erno — 1/2-1/2 — Budapest HUN
1954 — O'Kelly de Galway, Alberic vs Cuellar Gacharna, Miguel — 1-0 — Amsterdam NED
1954 — Jauregui, Carlos vs Najdorf, Miguel — 0-1 — Mar del Plata ARG
1954 — De Souza Mendes, Joao vs Bombardo Schroder, Liam — 1/2-1/2 — Mar del Plata ARG

9…exd4 — 26.7% (87 parties)

1952 — Florian, Tibor vs Koberl, Ferenc — 1-0 — Hungary ch
1954 — Kniazer, Igor vs Clarke, Peter H — 1/2-1/2 — Olympiad final A
1954 — Corral, Hector vs Boleslavsky, Isaac — 0-1 — Montevideo URU
1962 — Dmtr, J vs Schrancz, Istvan — 1/2-1/2 — E/12 National semi-f
1963 — De Greiff, B. vs Darga, Klaus — 0-1 — Havana CUB

9…Re8 — 19.3% (63 parties)

1952 — Barden, Leonard vs Wood, Baruch — 1/2-1/2 — Paignton
1952 — Barden, Leonard vs Oakley, Peter James — 1-0 — Paignton
1952 — Letelier Martner, Rene vs Reinhardt, Enrique — 0-1 — Mar del Plata ARG
1952 — Rabar, Braslav vs Gligorić, Svetozar — 0-1 — Belgrade SRB
1954 — Najdorf, Miguel vs Pilnik, Herman — 0-1 — Mar del Plata ARG

9…a6 — 4.3% (14 parties)

1980 — Andersson, Ulf vs Kavalek, Lubomir — 1-0 — Bugojno BIH
1980 — Gligoric, Svetozar vs Hort, Vlastimil — 1/2-1/2 — Bugojno BIH
1980 — Gligoric, Svetozar vs Hort, Vlastimil — 1/2-1/2 — Bugojno BIH
1987 — Gligorić, Svetozar vs Ivkov, Borislav — 1/2-1/2 — Yugoslavia
1987 — Gligoric, Svetozar vs Ivkov, Borislav — 1/2-1/2 — Yugoslavia

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