E69a — King’s Indian: Fianchetto, Classical, 9.h3

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.h3 ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Jeu au centre (rupture c4-c5).

Atouts. Les Blancs s'appuient sur un contrôle dominant de g5.

Côté adverse. Un mauvais fou en c8.

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

Plans. Re1 (35 % des parties) ; Be3 (Fou actif (mobilité 5), Développer c1 — 24 % des parties) ; c5 (Frapper le centre adverse — 10 % des parties) ; d5 (Occuper le centre — 9 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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

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

Plans. ...Qb6 (Contrôle diagonale b6-g1 — 36 % des parties) ; ...Re8 (22 % des parties) ; ...exd4 (Capture en d4, Occuper le centre — 11 % des parties) ; ...Qa5 (9 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3	● 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)
Bg2	● Bg2 Ok (mob. 1)
Bg7		● Bg7 Ok (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
1938 URS Ch, semi final – Round 1 – Kotov, Alexander. – 1/2-1/2 – Bohatyrchuk, Fedir Parfenovych – G14 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. h3 Ne8 10. Be3 Qe7
1938 URS Ch, semi final – Round 1 – Pogrebissky, Iosif – 1/2-1/2 – Bohatyrchuk, Fedir Parfenovych – G13 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. e4 g6 6. g3 Bg7 7. Bg2 O-O 8. O-O c6 9. h3 Ne8 10. Be3 Qe7
1938 URS Ch, semi final – Round 1 – Veresov, Gavriil – 0-1 – Kasparian, Genrikh – G19 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. h3 Qc7 10. Be3 Re8
1945 Tbilisi Tbilisi GEO – Round 1 – Petrosian, Tigran V – 1-0 – Arutiunov, Albert – G4 1. d4 Nf6 2. Nf3 d6 3. c4 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 8. e4 c6 9. h3 Nh5 10. d5 c5
1948 Karlovy Vary – Round 1 – Molina Moller, Brando Felipe – 1-0 – Stulik, Vlastimil – G18 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qc7 10. Be3 Nh5
1950 Venice – Round 1 – Smyslov, Vladimir – 1-0 – Primavera, Giuseppe – G11 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 O-O 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Ne8 10. Re1 Nc7
1950 Venice – Round 5 – Smyslov, Vasily – 1-0 – Primavera, Giuseppe – G51 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 O-O 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Ne8 10. Re1 Nc7
1951 Bucharest GMT 2nd – Round 3 – Troianescu, Octav – 1-0 – Samarian, Sergiu – G11 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Nh5 10. Be3 Qe7
1951 GER Ch 14th – Round 6 – Elstner, Rudolf – 1-0 – Lange, Wilfried – G17 1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 O-O 5. Nc3 d6 6. e4 Nbd7 7. Nf3 e5 8. O-O c6 9. h3 Qc7 10. Be3 exd4
1951 ITA-SUI – Round 2 – Schudel, Hans Jakob – 1-0 – Primavera, Giuseppe – G5 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. Nf3 O-O 6. g3 Nbd7 7. Bg2 e5 8. O-O c6 9. h3 Qc7 10. Be3 a5
1951 World Championship 19th – Round 21 – Botvinnik, Mikhail – 0-1 – Bronstein, David I – G17 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. h3 Nh5 10. Be3 Qe7
1952 Havana – Round 19 – Guimard, Carlos E – 1/2-1/2 – Gligorić, Svetozar – G140 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Nh5 10. Be3 Qe7
1952 Mar del Plata – Round 8 – Cuellar Alpire, Mariana – 1-0 – Reinhardt, Enrique – G62 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. h3 c6 9. e4 Nh5 10. dxe5 dxe5
1952 POL-ch10 – Round 13 – Gadalinski, Jan – 1-0 – Wozniak, Kazimierz – G92 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. h3 h6 10. Be3 Kh7
1952 Rosario – Round ? – Garcia Vera, Romeo – 1/2-1/2 – Patt Rubinstein, J. – G23 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 c6 8. e4 e5 9. h3 Qc7 10. Be3 Re8
1953 Hastings ch-BCF – Round 1 – Pollitt, James D – 1-0 – Clarke, Paul R H – G20 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d4 Nbd7 8. h3 c6 9. e4 Nh5 10. Be3 Qe7
1953 Hastings ch-BCF – Round 5 – Davey, S. – 1-0 – Clarke, Paul R H – G51 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Nh5 10. Re1 a6
1953 Wch-jr final – Round 3 – Roessel, Frits – 1-0 – Farre Mallofre, Miguel – G6 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. h3 Qc7 10. Be3 exd4
1955 Ljubljana – Round 17 – Krivec Slavko – 1-0 – Paoli, Enrico – G146 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Qc7 10. Be3 Re8
1956 Corr Dyckhoff Memorial – Round 1 – Heemsoth, Hermann – 1-0 – Salm Abadi, Reyhaneh – G14 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Nh5 10. Re1 Qe7
1958 Haifa/Tel Aviv – Round 3 – Dunkelblum, Arthur – 1/2-1/2 – Rosenberg, Arie – G12 1. c4 Nf6 2. d4 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qc7 10. Be3 Rd8
1958 Manhattan CC Ch fin 5758 – Round 3 – Shainswit, George – 1/2-1/2 – Cohen, Harry S – G10 1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 c6 8. e4 e5 9. h3 Qc7 10. Be3 Nb6
1958 Torneo de las Americas 1st – Round 11 – Najdorf, Miguel – 1-0 – Del Pozo, Nestor – G56 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 O-O 6. O-O c6 7. Nc3 Nbd7 8. e4 e5 9. h3 h6 10. Be3 Re8
1958 World Championship 22th – Round 8 – Botvinnik, Mikhail – 1/2-1/2 – Smyslov, Vladimir – G7 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 d6 5. Bg2 g6 6. O-O Bg7 7. d4 Nbd7 8. e4 O-O 9. h3 Ne8 10. Bg5 f6
1959 Kragujevac ch14-YUG – Round 1 – Lukic, Arsenije – 0-1 – Minev, Nikolay N – G47 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. h3 Ne8 10. Re1 Nc7
1959 Kragujevac ch14-YUG – Round 1 – Stupica, Janez – 1/2-1/2 – ? – G12 1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 O-O 5. Nf3 d6 6. d4 Nbd7 7. O-O e5 8. e4 c6 9. h3 Ne8 10. Re1 Qe7
1960 Clare Benedict Cup 07th – Round 4 – Bruzzi, Stefano – 1-0 – Cherta, Pedro – G26 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 c6 8. e4 e5 9. h3 Nh5 10. Be3 Qe8
1960 Reggio Emilia 6061 03rd – Round 3 – Castagna, Rino – 1-0 – Palmiotto, Fiorentino – G8 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. c4 c6 6. Nc3 O-O 7. O-O Nbd7 8. e4 e5 9. h3 h6 10. Be3 Ne8
1961 Maroczy Memorial Budapest HUN – Round 1 – Barcza, Gedeon – 0-1 – Donner, Jan-Hein – G1 1. c4 e5 2. g3 c6 3. Nf3 d6 4. Nc3 Nf6 5. Bg2 g6 6. O-O Bg7 7. e4 O-O 8. d4 Nbd7 9. h3 Ne8 10. Be3 Qe7
1962 Skopje ch17-YUG – Round 1 – Janosevic, Dragoljub – 0-1 – ? – G6 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. Nf3 O-O 5. g3 d6 6. Bg2 Nbd7 7. O-O e5 8. e4 c6 9. h3 Ne8 10. Rb1 f5
1962 Skopje ch17-YUG – Round 13 – Lukic, Arsenije – 1/2-1/2 – Marovic, Drazen – G105 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d6 5. Bg2 O-O 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Ne8 10. Re1 Qe7
1962 Stockholm Interzonal – Round 5 – Bertok, Mario Jr. – 1-0 – Cuellar Alpire, Mariana – G35 1. c4 e5 2. Nc3 Nf6 3. g3 d6 4. Bg2 g6 5. Nf3 Bg7 6. d4 Nbd7 7. O-O O-O 8. e4 c6 9. h3 Ne8 10. Re1 exd4
1962 Varna olm – Round 9 – Portisch, Lajos – 0-1 – Aaron, Manuel – G396 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. h3 h6 10. Be3 Kh7
1963 Capablanca Memorial – Round 6 – Korchnoi, Viktor – 1-0 – Jimenez Zerquera, Eleazar – G50 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. h3 Ne8 10. Re1 Qe7
1967 ROM Ch – Round 12 – Zara, Dan – 1-0 – Ungureanu, Emil – G79 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. O-O O-O 6. c4 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qc7 10. Be3 Nb6
1968 Belgrade (Women) 4th – Round 13 – Kushnir, Alla – 1-0 – Stadler, Tereza – G46 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c6 7. Nc3 Nbd7 8. e4 e5 9. h3 Nh5 10. d5 c5
1968 Hoogovens-B – Round 1 – Van Scheltinga, Theo – 1-0 – Hartoch, Robert G – G1 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. h3 Ne8 10. Be3 Qe7
Malta ol (Men) 1980 – Round 1 – Portisch, Lajos – 1-0 – Westerinen, Heikki M.J. – G10 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Ne8 10. Re1 exd4

E69a — Fianchetto, Classical (1938)

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.h3

Les coups candidats

9…Qb6 — 35.7% (4110 parties) →

Ambassadeurs : Senzacqua, Fabrizio (17x), Miguel, Nahuel (13x), Marovic, Drazen (13x), Uhlmann, Wolfgang (13x), Conterno, Dominique (13x), Geller, Efim P. (11x), Mason, Ian J (10x), Portisch, Lajos (9x)

9…Re8 — 22.2% (2557 parties) →

Ambassadeurs : Pott, Brian (15x), Portisch, Ferenc (9x), Fancsy, Imre (6x), Csulits, Anton (6x), Banikas, Hristos (5x), Greenfeld, Alon (5x), Ivkov, Borislav (4x), Tatai, Stefano (4x)

9…exd4 — 11.2% (1293 parties) →

Ambassadeurs : Strikovic, Aleksa (7x), Rapaka Samuel Paul (5x), Fancsy, Imre (5x), Konopka, Michal (5x), Barlov, Dragan (4x), Borriss, Claudia (4x), Hillarp Persson, Tiger (4x), Cuellar Gacharna, Miguel (3x)

9…Qa5 — 8.8% (1017 parties) →

Ambassadeurs : ? (21x), McNab, Colin A (11x), Oratovsky, Michael (11x), Polugaevsky, Lev (10x), Soltis, Andrew (7x), Podgaets, Mikhail (5x), Guimard, Carlos E (5x), Ippolito, Dean (5x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Qb6	9…Re8	9…exd4	9…Qa5
<1800	353	41%	19%	10%	8%
1800-2200	4110	32%	26%	10%	6%
2200-2600	5282	39%	20%	13%	11%
2600+	72	46%	17%	6%	24%

Évolution par décennie (% des parties)

Décennie	N parties	9…Qb6	9…Re8	9…exd4	9…Qa5
1950s	252	13%	27%	16%	10%
1960s	371	31%	17%	8%	21%
1970s	423	43%	23%	6%	11%
1980s	760	47%	20%	9%	6%
1990s	2951	39%	21%	12%	6%
2000s	2653	32%	24%	12%	8%
2010s	3348	36%	23%	11%	11%
2020s	748	30%	22%	11%	11%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Qb6	36%	30%	▼ -6.1%
9…Re8	23%	22%	-0.2%
9…exd4	11%	11%	-0.2%
9…Qa5	11%	11%	-0.3%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 7 parties
Smyslov, Vladimir — 2 parties
Ju, Wenjun — 2 parties
Anand, Viswanathan — 1 partie
Kramnik, Vladimir — 1 partie
Ding, Liren — 1 partie

Parties historiques

9…Qb6 — 35.7% (4110 parties)

1951 — Keller, Hanna vs Wade, Robert G — 1/2-1/2 — Reggio Emilia ITA
1951 — Enevoldsen, Jens vs Ravn, Palle — 1-0 — Copenhagen DEN
1952 — Geller, Efim P. vs Wade, Robert G — 1-0 — Saltsjobaden SWE
1953 — Bulat, Ante vs Bogdanovic, Rajko — 0-1 — Zagreb CRO
1954 — Toran Albero, Roman vs Wade, Robert G — 1-0 — Munich GER

9…Re8 — 22.2% (2557 parties)

1950 — Bolbochan, Julio vs Schmid, Lothar — 1-0 — Dubrovnik olm
1950 — Schmid, Lothar vs Niephaus, Walter — 1-0 — Wiesbaden GER
1950 — Fridstein, German vs Petrosian, Tigran V. — 1/2-1/2 — Moscow RUS
1950 — Schmid, Lothar vs Niephaus, Walter — 1-0 — Wiesbaden GER
1951 — Muilwijk, Jaap vs Beye — 1-0 — Netherlands tt

9…exd4 — 11.2% (1293 parties)

1950 — Szabo, Laszlo vs Lilienthal, Andor — 0-1 — Budapest HUN
1950 — Pirc, Dora vs Skold, Kent-Ake — 1-0 — YUG-Sweden
1950 — Bosch van Rosenthal, Edzard vs Kottnauer, Cenek — 1/2-1/2 — Amsterdam NED
1950 — Eken, Max vs Barda, Olaf — 1/2-1/2 — Nederland radio
1950 — Füster, Géza vs Kluger, Gyula — 1/2-1/2 — Budapest HUN

9…Qa5 — 8.8% (1017 parties)

1953 — Cuellar Gacharna, Miguel vs Jauregui, Carlos — 1/2-1/2 — Mar del Plata ARG
1953 — Guimard, Carlos E vs Jauregui, Carlos — 1/2-1/2 — Mar del Plata ARG
1954 — Guimard, Carlos E vs Boleslavsky, Isaac — 1-0 — USSR vs Argentina
1954 — Batalla, Gimar Jr vs Boleslavsky, Isaac — 1/2-1/2 — Buenos Aires ARG
1954 — Guimard, Carlos E vs Boleslavsky, Isaac — 1/2-1/2 — Buenos Aires ARG

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