E62u — King’s Indian: Fianchetto, Uhlmann/Szabo Variation

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O e5 8.d5 Ne7 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte b5….

Atouts. Les Blancs s'appuient sur les cases fortes b5 et 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. Exploiter la case forte g4….

Atouts. Les Noirs s'appuient sur les cases fortes g4 et f5 et 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. ...Bg4 (Développer Bc8, clouer Nf3) ; ...c6 (Rupture) ; ...c5 (Rupture) ; ...e4 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3, c4→d5	● d6→e5, c7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● g5 (2v0)	● g4 (2v0), ● f5 (3v0)
Cases faibles	—	● d5
Centre	● d4 (2v1), ● d5 (3v2)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
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, ● e2-e3	● …c7-c6, ● …c7-c5, ● …e5-e4

Partie
? 2000 – Round ? – Smirin, Ilia – 1-0 – Arnarsson, Hrannar – G6 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O e5 7. d4 Nc6 8. d5 Ne7 9. c5 dxc5 10. Nxe5 Nfxd5
1952 Budapest – Round 3 – Szily, Jozsef – 0-1 – Benko, Pal – G33 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O e5 8. d5 Ne7 9. Ne1 Nd7 10. e4 f5
1953 DDR Ch 04th – Round 1 – Uhlmann, Wolfgang – 0-1 – Pakulla – G1 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. O-O e5 8. d5 Ne7 9. Ne1 Nh5 10. e4 Bd7
1954 DDR Ch 05th – Round 13 – Fuchs, Reinhart – 1-0 – Schlieder, Rolf – G71 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 Nc6 7. Nc3 e5 8. d5 Ne7 9. Ne1 Ne8 10. c5 h6
1956 Moscow olm prel – Round 2 – Najdorf, Miguel – 1-0 – Sapre, Ramchandra – G42 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O e5 8. d5 Ne7 9. Ne1 Nd7 10. e4 f5
1957 Mar del Plata – Round 2 – Najdorf, Miguel – 1-0 – Incutto, Carlos – G26 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. d4 d6 5. Bg2 O-O 6. O-O Nc6 7. Nc3 e5 8. d5 Ne7 9. Ne1 Ne8 10. e4 c5
1957 Toronto wch-jr – Round 6 – Jongsma, Alexander – 1-0 – Cardoso Da Silva, Roberto – G13 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 O-O 6. O-O Nc6 7. d4 e5 8. d5 Ne7 9. b4 Nh5 10. e4 Bd7
1958 Munich olm fin-A – Round 2 – Panno, Oscar – 1/2-1/2 – Lombardy, William J – G9 1. c4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. g3 O-O 6. Bg2 Nc6 7. O-O e5 8. d5 Ne7 9. Ne1 c6 10. e4 cxd5
1958 New York ch-USA – Round 11 – Byrne, Ray – 1/2-1/2 – Fischer, Raphael – G54 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O e5 8. d5 Ne7 9. c5 Nd7 10. cxd6 cxd6
1958 Portoroz Interzonal – Round 18 – Panno, Oscar – 1/2-1/2 – Petrosian, Tigran V – G174 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 Nc6 7. Nc3 e5 8. d5 Ne7 9. Ne1 c5 10. e4 Nd7
1959 Hastings5960 – Round 6 – Golombek, Harry – 1-0 – Heemsoth, Hermann – G25 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O e5 7. d4 Nc6 8. d5 Ne7 9. Bd2 h6 10. e4 Bg4
1959 HUN Ch Budapest HUN – Round 8 – Bilek, Istvan – 1/2-1/2 – Kluger, Gyula – G35 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d6 5. g3 O-O 6. Bg2 Nc6 7. O-O e5 8. d5 Ne7 9. Ne1 Nd7 10. e4 f5
1960 New York ch-USA – Round 7 – Benko, Pal – 1/2-1/2 – Lombardy, William J – G30 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O e5 8. d5 Ne7 9. Ne1 c6 10. e4 cxd5
1960 New York ch-USA – Round 7 – Byrne, Ray – 1/2-1/2 – Fischer, Raphael – G29 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O e5 8. d5 Ne7 9. a4 a5 10. c5 e4
1961 Mar del Plata – Round 5 – Byrne, Ray – 1/2-1/2 – Bielicki, Carlos – G49 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O e5 8. d5 Ne7 9. a4 a5 10. c5 e4
1962 Candidats Tournament – Round 12 – Korchnoi, Viktor – 0-1 – Fischer, Robert J – G42 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O e5 8. d5 Ne7 9. c5 Nd7 10. cxd6 cxd6
1962 Whitby ch-BCF – Round 3 – Stuart, E Leslie – 0-1 – Clarke, Paul R H – G42 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nc6 5. d5 Ne7 6. g3 g6 7. Bg2 Bg7 8. O-O O-O 9. a3 h6 10. Ra2 Ne8
1963 FRG Ch Bad Pyrmont GER – Round 8 – Clemens, Christian, Dr. – 0-1 – Besser, Hans – G13 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nc6 5. d5 Ne7 6. g3 g6 7. Bg2 Bg7 8. O-O O-O 9. Ne1 Nd7 10. Nd3 f5
1963 IBM – Round 2 – Udovcic, Mijo – 1-0 – De Rooi, Paul – G7 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 O-O 6. O-O Nc6 7. Nc3 e5 8. d5 Ne7 9. c5 Nd7 10. cxd6 cxd6
1963 Polanica Zdroj – Round 1 – Doda, Zbigniew – 1-0 – Barendregt, Johan – G12 1. Nf3 d6 2. c4 g6 3. g3 Bg7 4. Bg2 Nc6 5. d4 e5 6. d5 Nce7 7. Nc3 Nf6 8. O-O O-O 9. c5 Ne8 10. cxd6 Nxd6
1963 Sverdlovsk – Round ? – Furman, Semyon – 0-1 – Gufeld, Eduard – G20 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 Nc6 7. d4 e5 8. d5 Ne7 9. c5 e4 10. cxd6 Qxd6
1963 Zenica ch YUG – Round 14 – Udovcic, Mijo – 1-0 – Gojak, Ilija – G75 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nc6 7. Nc3 e5 8. d5 Ne7 9. c5 Ne8 10. cxd6 cxd6
1964 Reykjavik – Round 9 – Johannsson, Ingi R – 1-0 – Bjornsson, Thorarinn – G50 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 O-O 6. O-O Nc6 7. Nc3 e5 8. d5 Ne7 9. c5 Ne8 10. cxd6 Nxd6
1964 Stevenson Memorial 12th – Round 8 – Pratten, Wilfred Henry – 1/2-1/2 – Nicevski, Risto – G23 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 e5 8. d5 Ne7 9. Bd2 c6 10. e4 cxd5
1965 Hungary – Round 1 – Barczay, Laszlo – 0-1 – Ozsvath, Andras – G116 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. O-O g6 5. c4 Bg7 6. Nc3 O-O 7. d4 Nc6 8. d5 Ne7 9. c5 Ne8 10. cxd6 cxd6
1965 Kiel Open – Round 6 – Heil, Siegfried – 0-1 – Besser, Hans – G29 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nc6 5. d5 Ne7 6. g3 g6 7. Bg2 Bg7 8. O-O O-O 9. c5 Ne8 10. cxd6 cxd6
1965 Novi Sad – Round 13 – Ilievski, Dimitar – 0-1 – Gligorić, Svetozar – G103 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 e5 8. d5 Ne7 9. c5 Ne8 10. cxd6 cxd6
1965 Tbilisi Tbilisi GEO – Round 1 – Kolarov, Atanas S. – 1/2-1/2 – Bogdanovic, Rajko – G20 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. O-O e5 8. d5 Ne7 9. Ne1 Nd7 10. e4 f5
1966 Asztalos Memorial 9th – Round 15 – Lengyel, Levente – 1/2-1/2 – Ciocaltea, Victor – G78 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 Nc6 7. O-O e5 8. d5 Ne7 9. c5 Ne8 10. cxd6 cxd6
1966 La Habana olm fin-B – Round 12 – Walther, Edgar – 1/2-1/2 – Boey, Josef – G39 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O e5 8. d5 Ne7 9. c5 Ne8 10. cxd6 Nxd6
1966 Zinnowitz GER – Round 1 – Marovic, Drazen – 0-1 – Haag, Ervin – G2 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O e5 8. d5 Ne7 9. c5 e4 10. Ng5 dxc5
1967 Harrachov – Round 1.3 – Keene, Raymond D – 1-0 – Brodie, M. – G122 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 Nc6 7. d4 e5 8. d5 Ne7 9. c5 Ne8 10. cxd6 Nxd6
1969 Budapest ch-HUN – Round 1 – Flesch, Jean-benoit – 1/2-1/2 – Dely, Peter – G116 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. c4 Nc6 7. Nc3 e5 8. d5 Ne7 9. b4 Ne8 10. e4 h6
1969 FRG Ch – Round 4 – Rellstab, Ludwig – 0-1 – Kestler, Hans-Guenther – G5 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nc6 5. d5 Ne7 6. g3 g6 7. Bg2 Bg7 8. O-O O-O 9. Bd2 h6 10. Rc1 Nd7
1969 Sarajevo – Round 5 – Korchnoi, Viktor – 1-0 – Bogdanovic, Radivoje – G38 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. O-O e5 8. d5 Ne7 9. c5 Ne8 10. cxd6 cxd6
1970 Palma de Mallorca Interzonal – Round 8 – Ivkov, Borislav – 1-0 – Ujtumen, Tudev – G122 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. O-O e5 8. d5 Ne7 9. c5 Ne8 10. cxd6 Nxd6
1972 Skopje ol (Men) fin-A – Round 8 – Uddenfeldt, Dan – 1/2-1/2 – Peev, Peicho – G103 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. d4 Nc6 7. O-O e5 8. d5 Ne7 9. Bd2 Nd7 10. b4 f5
Munchen 1993 – Round 6 – Lutz, Christopher – 1/2-1/2 – Gelfand, Boris – G23 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nc6 7. Nc3 e5 8. d5 Ne7 9. c5 Ne8 10. cxd6 Nxd6
Roquebrune rapid 1992 – Round 9 – Ivanchuk, Vasyl – 1/2-1/2 – Polgar, Judit – G31 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. c4 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 e5 8. d5 Ne7 9. b4 a5 10. bxa5 Rxa5

E62u — Fianchetto Uhlmann/Szabo Variation

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O e5 8.d5 Ne7

Les coups candidats

9.e4 — 71.0% (1958 parties) →

Ambassadeurs : Uhlmann, Wolfgang (12x), Polgar, Janos (6x), Calotescu, Ana-Cristina (6x), Blagojevic, Dragisa (6x), Jirovsky, Pavel (5x), Skomorokhin, Roman (5x), Bagaturov, Giorgi (5x), Dornbusch, Tatiana (5x)

9.c5 — 16.9% (467 parties)

Ambassadeurs : Nurkic, Sahbaz (9x), Drasko, Milan (8x), Kupreichik, Viktor D (7x), Ortega, Lexy (5x), Dvoretzky, Mark (4x), Zaitsev, Igor A (4x), Durao, Joaquim (4x), Romanishin, Oleg M (4x)

9.Ne1 — 3.4% (93 parties)

Ambassadeurs : Panno, Oscar (2x), Lombardy, William J (2x), Najdorf, Miguel (2x), Bilek, Istvan (2x), Benko, Pal (2x), Incutto, Carlos (1x), Roos, Michel (1x), Zhukhovitsky, Samuel (1x)

9.h3 — 2.1% (58 parties)

Ambassadeurs : Taube, Herbert (1x), Huebener, Joachim U G (1x), Koltanowski, George (1x), Blackstone, John (1x), Nestler, Vincenzo (1x), D Augusta Arrigo (1x), Fridh, Anton (1x), Ernst, Thomas (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.e4	9.c5	9.Ne1	9.h3
<1800	62	85%	2%	5%	3%
1800-2200	886	76%	11%	2%	3%
2200-2600	1152	71%	22%	3%	1%
2600+	22	64%	18%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9.e4	9.c5	9.Ne1	9.h3
1810s	1	—	100%	—	—
1920s	1	100%	—	—	—
1930s	3	67%	—	—	33%
1940s	2	100%	—	—	—
1950s	60	65%	2%	25%	3%
1960s	117	60%	23%	4%	—
1970s	135	60%	36%	1%	—
1980s	167	55%	35%	2%	4%
1990s	677	61%	25%	2%	2%
2000s	707	76%	13%	3%	3%
2010s	765	81%	8%	4%	2%
2020s	121	80%	8%	3%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.e4	81%	80%	▼ -1.1%
9.c5	8%	8%	▲ +0.6%
9.Ne1	4%	3%	▼ -0.7%
9.h3	2%	2%	-0.4%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 5 parties
Karpov, Aleksandr — 4 parties
Smyslov, Vladimir — 3 parties
Kasparov, Garry — 3 parties
Ju, Wenjun — 1 partie
Ding, Liren — 1 partie
Carlsen, Magnus — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

9.e4 — 71.0% (1958 parties)

1925 — Garcia Conde, Adrian vs Morrison, John Harold — 1-0 — Scarborough ENG
1933 — Abramavicius, Leonhard vs Simonson, Albert — 0-1 — Folkestone ENG
1937 — Lisitsin, Georgy vs Panov, Vasily — 1-0 — Tbilisi ch-URS
1944 — Villegas, Benito vs Czerniak, Moshe — 0-1 — La Plata
1946 — Renaud, Georges vs Green Martin — 0-1 — Australia

9.c5 — 16.9% (467 parties)

1811 — Romanishin, Oleg M vs Grunberg, H.U. — 1-0 — Dresden GER
1958 — Byrne, Ray vs Fischer, Raphael — 1/2-1/2 — New York, NY USA
1960 — Larsen, Benjamin Holsko vs Lopez Garcia Riano — 1-0 — Berg en Dal A
1962 — Korchnoi, Viktor vs Fischer, Robert J — 0-1 — Curacao AHO
1962 — Szabo, Laszlo vs Gligoric, Svetozar — 0-1 — Belgrade SRB

9.Ne1 — 3.4% (93 parties)

1952 — Szily, Jozsef vs Benko, Pal — 0-1 — Budapest HUN
1952 — Taimanov, Mark vs Furman, Slavomir — 1-0 — USSR
1953 — Vaitonis, Povilas vs Yanofsky, Daniel Abraham — 1/2-1/2 — Winnipeg CAN
1953 — Uhlmann, Wolfgang vs Pakulla — 0-1 — Jena GER
1954 — Fuchs, Reinhart vs Schlieder, Rolf — 1-0 — Meerane

9.h3 — 2.1% (58 parties)

1935 — Taube, Herbert vs Huebener, Joachim U G — 0-1 — Hamburg GER
1957 — Nestler, Vincenzo vs D Augusta Arrigo — 1-0 — Reggio Emilia ITA
1958 — Koltanowski, George vs Blackstone, John — 1-0 — No. CA
1980 — Fridh, Anton vs Ernst, Thomas — 0-1 — ?
1980 — Jenquin, Dennis vs Schill, William — 0-1 — Seattle, WA USA

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