E68l — King’s Indian: Fianchetto, Classical, 8.e4 c6 9.b3

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 8.e4 c6 9.b3 * ● 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.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

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 g2.

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	● a2→b3, f2→g3, h2→g3, b3→c4	● 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. 7)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	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
1943 Mar del Plata – Round 1 – Bolbochan, J. – 1/2-1/2 – Czerniak, Magdalena – G4 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. b3 Re8 10. Bb2 Qc7
1943 Mar del Plata – Round 2 – Bolbochan, Jacobo – 1/2-1/2 – Czerniak, Moshe – G20 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. b3 Re8 10. Bb2 Qc7
1945 Moscow Ch – Round 10 – Fridstein, German – 1-0 – Alatortsev, Vladimir N. – G52 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. g3 g6 6. Bg2 Bg7 7. O-O O-O 8. e4 c6 9. b3 Re8 10. Bb2 Qa5
1945 Moskou ch-URS – Round 1 – Botvinnik, Mikhail – 1-0 – Bondarevsky, Igor – G34 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. g3 g6 6. Bg2 Bg7 7. O-O O-O 8. e4 c6 9. b3 exd4 10. Nxd4 Re8
1946 ENG-URS radio – Round 2 – De Winter Gallegos, Willy – 0-1 – Bronstein, David I – G11 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. g3 g6 6. Bg2 Bg7 7. O-O O-O 8. e4 c6 9. b3 exd4 10. Nxd4 Re8
1946 Helsinki Helsinki FIN – Round 9 – Ragozin, Viacheslav – 1-0 – Solin, Ilmari – G18 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. g3 Nbd7 7. Bg2 e5 8. O-O c6 9. b3 Qa5 10. Bb2 Re8
1946 JUG Ch – Round 10 – Tekavcic, Ivo – 1/2-1/2 – Rabar, Braslav – G30 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. g3 e5 5. Nf3 g6 6. Bg2 Bg7 7. O-O O-O 8. e4 c6 9. b3 exd4 10. Nxd4 Re8
1946 Staunton, Groningen NED – Round 8 – Denker, Arnold S – 0-1 – Boleslavsky, Isaac – G28 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 Nbd7 6. Nc3 O-O 7. O-O e5 8. e4 c6 9. b3 Re8 10. Bb2 exd4
1948 GER Ch – Round 4 – Czaya, Richard – 1-0 – Rautenberg, Wilhelm – G8 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. d4 O-O 6. Nc3 Nbd7 7. O-O e5 8. e4 c6 9. b3 Re8 10. Bb2 exd4
1948 Saltsjobaden tt – Round 1 – Salo, Toivo – 0-1 – Ekenberg, Bengt – G6 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. g3 e5 5. Bg2 g6 6. O-O Bg7 7. Nc3 O-O 8. e4 c6 9. b3 Qe7 10. Bb2 Rd8
1949 Beverwijk NED – Round ? – O'Kelly de Galway, Alberic – 0-1 – Henneberke, Frans – G7 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. g3 Nbd7 7. Bg2 e5 8. O-O c6 9. b3 Ne8 10. dxe5 Nxe5
1949 Hastings4950 – Round 4 – Euwe, Max – 1-0 – Fuller, Jack – G16 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. b3 exd4 10. Nxd4 Re8
1950 Amsterdam ch-NED – Round 1 – Euwe, Max – 1-0 – Van Scheltinga, Theo – G17 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. b3 exd4 10. Nxd4 Nc5
1950 Candidats Tournament – Round 9 – Ståhlberg, Gideon – 1/2-1/2 – Boleslavsky, Isaac – G35 1. c4 Nf6 2. d4 d6 3. Nf3 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 8. e4 c6 9. b3 exd4 10. Nxd4 Nc5
1955 Hoechst ch-GER – Round 1 – Hoenlinger, Baldur – 1/2-1/2 – Schwarz, Wolfgang – G64 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. d4 O-O 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. b3 exd4 10. Nxd4 Nc5
1958 Argentina – Round 17 – Garcia Vera, Romeo – 0-1 – Eliskases, Erich – G132 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 e5 7. d4 Nbd7 8. e4 c6 9. b3 Re8 10. Bb2 exd4
1958 UKR Ch – Round 12 – Ousatchi, Mark – 0-1 – Kots, Yuri I – G53 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. b3 a5 10. Ba3 exd4
1960 Olympiad prel I – Round 2 – Bergraser, Volf – 1-0 – Czerniak, Moshe – G8 1. d4 Nf6 2. Nf3 g6 3. c4 c6 4. g3 Bg7 5. Bg2 O-O 6. O-O d6 7. Nc3 Nbd7 8. e4 e5 9. b3 Re8 10. Bb2 a6
1962 Mar del Plata KIM – Round 7 – Panno, Oscar – 1/2-1/2 – Cruz, Raul C. – G17 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. d4 Nbd7 7. O-O e5 8. e4 c6 9. b3 Re8 10. Bb2 exd4
1963 Amsterdam m1 – Round 1 – Donner, Jan-Hein – 1-0 – Cuijpers, Frans Andre – G1 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. b3 exd4 10. Nxd4 Nc5
1966 La Habana olm prel – Round ? – Naranja, Renato – 0-1 – Alvarez del Monte, Jose – G300 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 O-O 5. Nf3 d6 6. Nc3 Nbd7 7. O-O c6 8. e4 e5 9. b3 Re8 10. Bb2 exd4
1966 Rio Hondo zt – Round 16 – Mecking, Henrique – 1-0 – Rubinetti, Jorge – G94 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 Nbd7 7. O-O e5 8. e4 c6 9. b3 Re8 10. Bb2 exd4
1966 US Open – Round 7 – Zemgalis, Elmars – 0-1 – Saidy, Anthony – G43 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. b3 exd4 10. Nxd4 Re8
36. Olympiad 2004 – Round 12 – Bologan, Victor – 1/2-1/2 – Kotronias, Vasilios – G422 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. b3 Qb6 10. Bb2 exd4
36. Olympiad 2004 – Round 5 – Navara, David – 1-0 – Kotronias, Vasilios – G158 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. g3 d6 6. Bg2 Nbd7 7. O-O e5 8. e4 c6 9. b3 Qb6 10. Bb2 exd4
FIDE World Cup 2017 – Round 1.5 – Nguyen, Ngoc Truong Son – 0-1 – Adhiban, B. – G176 1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. b3 a6 10. dxe5 dxe5

E68l — Fianchetto Classical

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 8.e4 c6 9.b3

Les coups candidats

9…Re8 — 46.0% (802 parties)

Ambassadeurs : Stohl, Igor (12x), Pigusov, Evgeny (8x), Krallmann, Matthias (7x), Kurajica, Bojan (5x), Slipak, Sergio (5x), Ellers, Holger, Dr. (5x), Szekely, Panna Szandra (5x), Baburin, Alexander (5x)

9…exd4 — 30.4% (529 parties)

Ambassadeurs : Ilincic, Zlatko (7x), Akopian, Vladimir (6x), Stohl, Igor (6x), Kurajica, Bojan (5x), Tregubov, Pavel V. (5x), Bagaturov, Giorgi (5x), McNab, Colin A (4x), Ellers, Holger, Dr. (4x)

9…Qb6 — 10.8% (188 parties)

Ambassadeurs : Kotronias, Vasilios (17x), Markus, Robert (5x), Deforel, Jorge Eduardo (5x), Tukmakov, Vladimir B (3x), Guevara Pijoan, Josep (3x), Ilincic, Zlatko (3x), Autenrieth, Michael, Dr. (2x), Lesiege, Alexandre (2x)

9…a6 — 3.5% (61 parties)

Ambassadeurs : Loginov, Valery A (3x), Iuldachev, Saidali (3x), Hendriks, Willy (3x), Tregubov, Pavel V. (2x), Baburin, Alexander (2x), Vadasz, Laszlo (2x), McNab, Colin A (1x), Buchanan, Walter F. (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Re8	9…exd4	9…Qb6	9…a6
<1800	23	43%	26%	9%	—
1800-2200	394	51%	23%	11%	3%
2200-2600	1058	44%	33%	12%	4%
2600+	31	23%	32%	35%	10%

Évolution par décennie (% des parties)

Décennie	N parties	9…Re8	9…exd4	9…Qb6	9…a6
1940s	23	39%	26%	—	—
1950s	17	41%	35%	—	—
1960s	14	64%	29%	—	—
1970s	24	33%	50%	8%	—
1980s	138	52%	36%	6%	1%
1990s	566	44%	36%	8%	3%
2000s	437	47%	26%	12%	5%
2010s	468	46%	26%	15%	4%
2020s	55	40%	27%	18%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Re8	46%	40%	▼ -6.4%
9…exd4	26%	27%	▲ +1.6%
9…Qb6	15%	18%	▲ +3.0%
9…a6	4%	4%	-0.4%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 6 parties
Euwe, Max — 3 parties
Botvinnik, Mikhail — 1 partie
Gukesh D — 1 partie

Parties historiques

9…Re8 — 46.0% (802 parties)

1943 — Bolbochan, Jacobo vs Czerniak, Moshe — 1/2-1/2 — Mar del Plata ARG
1943 — Bolbochan, J. vs Czerniak, Magdalena — 1/2-1/2 — Mar del Plata ARG
1945 — Fridstein, German vs Alatortsev, Vladimir N. — 1-0 — Moscow RUS
1945 — Rudakovsky, Iosif vs Tolush, Alexander — 1-0 — Moscow ch14-SU
1946 — Baturinsky, Victor vs Bronstein, David Ionovich — 0-1 — Moscow RUS

9…exd4 — 30.4% (529 parties)

1945 — Botvinnik, Mikhail vs Bondarevsky, Igor — 1-0 — Moskou ch-URS
1946 — De Winter Gallegos, Willy vs Bronstein, David I — 0-1 — ENG-URS radio
1946 — Tekavcic, Ivo vs Rabar, Braslav — 1/2-1/2 — Zagreb CRO
1947 — Blow, Ronald vs Newman, Richard Hilary — 1-0 — Harrogate
1947 — Ivashin, Alexey vs Estrin, Yakov — 0-1 — Yaroslavl

9…Qb6 — 10.8% (188 parties)

1976 — Petran, Pal vs Hazai, Laszlo Dr. — 1/2-1/2 — Budapest HUN
1977 — Tukmakov, Vladimir B vs Kochyev, Alexander — 1-0 — Baku AZE
1981 — Mochalov, Evgeny V vs Vetemaa, Juri — 1/2-1/2 — Minsk BLR
1984 — Gudmundsson, Elvar vs Angantysson, Haukur — 0-1 — Grindavik
1985 — Autenrieth, Michael, Dr. vs Seibold, Hubert, Dr. — 0-1 — Zirndorf

9…a6 — 3.5% (61 parties)

1986 — Hjartarson, Johann vs Strauss, David — 1-0 — London ENG
1987 — McNab, Colin A vs Buchanan, Walter F. — 1-0 — Hamilton
1991 — Davies, Nigel R vs Markzon, Gregory — 0-1 — New York, NY USA
1992 — Dautov, Rustem vs Casper, Thomas — 1-0 — GER
1992 — Schlosser, Philipp vs Mainka, Romuald — 1/2-1/2 — Munchen open

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