E69q — King’s Indian: Fianchetto, Classical, 9.h3 Re8 10.Be3

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 Re8 10.Be3 * ● 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, un fou actif en e3 et la paire de fous.

Côté adverse. Le fou enfermé en c8.

♚ 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. Le fou enfermé en 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	● f2→g3	● d6→e5, b7→c6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (3v1), ● d5 (3v2)	● e5 (3v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bg2	● Bg2 Enfermé (mob. 1)
Be3	● Be3 Actif (mob. 5)
Bg7		● Bg7 Ok (mob. 3)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	1 (● 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
1920 Gothenburg-B – Round 13 – Hakansson, Arthur – 0-1 – Johner, Paul – G77 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. e4 g6 6. g3 Bg7 7. Bg2 O-O 8. O-O Re8 9. h3 c6 10. Be3 Qe7
1938 URS Ch, semi final – Round 1 – Yudovich, Mikhail M – 1/2-1/2 – Duz-Khotimirsky, Fedor Ivanovich – G12 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nf3 g6 6. g3 Bg7 7. Bg2 O-O 8. O-O c6 9. h3 Re8 10. Be3 Qe7
1946 Leningrad-Prague – Round 1 – Furman, Slavomir – 1/2-1/2 – Bartosek, Milan – G2 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. Be3 Re8 10. h3 Qe7
1946 Staunton, Groningen NED – Round 1 – Denker, Arnold S – 1/2-1/2 – Najdorf, Miguel – G2 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 Nbd7 7. O-O e5 8. h3 c6 9. e4 Re8 10. Be3 Qc7
1948 Karlovy Vary – Round 1 – Vidmar, Marjeta – 1-0 – Molina Moller, Brando Felipe – G14 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 Re8 10. Be3 Qa5
1949 GBR Ch 36th – Round 3.15 – Rhodes, Herbert Gibson – 1-0 – Penrose, Jonathan – G8 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 Nbd7 7. O-O e5 8. h3 c6 9. e4 Re8 10. Be3 Qc7
1950 Dubrovnik olm – Round 10 – Bolbochan, J. – 1-0 – Schmid, Leo – G141 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. Nc3 e5 8. e4 c6 9. h3 Re8 10. Be3 Qc7
1952 Helsinki olm – Round 1 – Myhre, Erling – 1/2-1/2 – De Souza Mendes, Joao – G106 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 Re8 9. h3 c6 10. Be3 a6
1952 Helsinki olm – Round 1 – Najdorf, Miguel – 1/2-1/2 – Szabo, Ladislav – G98 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 Re8 9. h3 c6 10. Be3 Qe7
1953 Mar del Plata – Round 9 – Wexler, Bernardo – 0-1 – Najdorf, Miguel – G100 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 Re8 10. Be3 Qe7
1954 Belgrade – Round 1 – Nedeljkovic, Aleksandar – 0-1 – Djurasevic, Bozidar – G1 1. c4 e5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. d4 Nbd7 7. O-O O-O 8. e4 Re8 9. Be3 c6 10. h3 a5
1954 CSR Ch – Round 4 – Dolezal, Jiri – 1/2-1/2 – Blatny, Frantisek – G27 1. c4 Nf6 2. g3 g6 3. d4 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. O-O Nbd7 8. e4 e5 9. h3 Re8 10. Be3 Qc7
1954 URS-chTJ Coop – Round 1 – Averbakh, Yuri L – 1/2-1/2 – Petrosian, Tigran A. – G3 1. c4 Nf6 2. Nc3 e5 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. d4 Nbd7 7. O-O O-O 8. e4 c6 9. h3 Re8 10. Be3 a5
1955 ARG Ch – Round 5 – Alcaraz Suarez, Juan Camilo – 1-0 – Sanguinetti, Renato – G1 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. g3 c6 6. e4 g6 7. Bg2 Bg7 8. O-O O-O 9. h3 Re8 10. Be3 Qc7
1955 Buenos Aires CA – Round 10 – Gligoric, Sofija – 0-1 – Bianco Esposito, Antonio – G70 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 Re8 9. h3 c6 10. Be3 a5
1955 Hastings5556 – Round 4 – Korchnoi, Viktor – 1-0 – Ivkov, Borislav – G16 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. g3 c6 6. e4 g6 7. Bg2 Bg7 8. O-O O-O 9. h3 Re8 10. Be3 a5
1956 Hastings5657 – Round 4 – Clarke, Paul R H – 1/2-1/2 – Alexander Ronald Cheng – G16 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 O-O 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Re8 10. Be3 a6
1956 New York Rosenwald5556 – Round ? – Evans, Larry M – 1-0 – Horowitz, Albert Israel – G29 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nbd7 7. Nc3 e5 8. h3 c6 9. e4 Re8 10. Be3 Qc7
1957 HUN Ch Budapest HUN – Round ? – Benko, Pal – 1-0 – Szilagyi, Gyorgy Laszlo – G47 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. h3 Re8 10. Be3 a5
1958 COL Ch – Round 13 – Alvarez Martin, Pedro – 1-0 – Ramirez, Alfredo – G33 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 Re8 10. Be3 Nf8
1960 URS Ch sf – Round 10 – Osnos, Viatcheslav – 1-0 – Movshovich A – G82 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. c4 Nbd7 7. Nc3 e5 8. e4 Re8 9. h3 c6 10. Be3 a5
1962 Hastings6263 – Round 2 – Hollis, Adrian – 1/2-1/2 – Clarke, Peter H – G8 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. g3 e5 5. Bg2 g6 6. Nc3 Bg7 7. O-O O-O 8. e4 c6 9. h3 Re8 10. Be3 a6
1963 Budapest ch-HUN – Round 1 – Lengyel, Laszlo – 1-0 – Filep, Tibor – G94 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 Re8 10. Be3 a6
1964 Sarajevo 07th – Round 13 – Bukic, Enver – 1-0 – Gojak, Ilija – G33 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. Nc3 Nbd7 7. O-O e5 8. e4 Re8 9. h3 c6 10. Be3 Qc7
1967 CSR Ch – Round 14 – Kozma, Julius – 1/2-1/2 – Pribyl, Josef – G93 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. Nc3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Re8 10. Be3 a6
1968 Buenos Aires – Round 1 – Guimard, Carlos E – 1-0 – Massut, Gabriel – G2 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 c6 8. e4 e5 9. h3 Re8 10. Be3 Qe7
1968 Monte Carlo – Round 8 – Botvinnik, Mikhail – 1/2-1/2 – Hort, Vlastimil – G50 1. c4 Nf6 2. Nf3 d6 3. Nc3 g6 4. g3 Bg7 5. Bg2 e5 6. O-O O-O 7. d4 Nbd7 8. e4 c6 9. h3 Re8 10. Be3 a6
1968 Wijk aan Zee II – Round 1 – Dunkelblum, Arthur – 1/2-1/2 – Flesch, Jean-benoit – G7 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Re8 10. Be3 a6
1969 Moscow RUS – Round 1 – Dvoretzky, Mark – 1-0 – Zhidkov, Valery S – G3 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 Re8 10. Be3 Qc7
Buenos Aires olm 1978 – Round 1 – Petrosian, Tigran V. – 1-0 – Ciocaltea, Victor – G10 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 8. e4 c6 9. h3 Re8 10. Be3 a5
FIDE World Cup 2015 – Round 1.2 – Melkumyan, Hrant – 1/2-1/2 – Kamsky, Gata – G94 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c6 7. Nc3 Nbd7 8. e4 e5 9. h3 Re8 10. Be3 a5
FIDE World Cup 2025 – Round R1 Blitz 1 – Adly Ahmed – 1-0 – Grigoryan Karen H. – G212 1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. e3 Nf6 5. d4 cxd4 6. exd4 e4 7. Ng5 Bb4 8. d5 Bxc3+ 9. bxc3 Ne5 10. Qd4 d6
Interpolis 1979 – Round 1 – Portisch, Lajos – 1-0 – Kavalek, Lubomir – G10 1. Nf3 g6 2. c4 Bg7 3. d4 d6 4. Nc3 Nf6 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 8. e4 Re8 9. h3 c6 10. Be3 b6

E69q — 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.h3 Re8 10.Be3

Les coups candidats

10…exd4 — 55.6% (789 parties) →

Ambassadeurs : Fancsy, Imre (6x), Schweber, Samuel (5x), Cvitan, Ognjen (5x), Greenfeld, Alon (5x), Konstantinopolsky, Alexander (4x), Roa Alonso, Santiago (4x), Groszpeter, Attila (4x), Bocharov, Dmitry (4x)

10…Qc7 — 15.3% (217 parties)

Ambassadeurs : Eckhardt, Claudia (3x), Euwe, Max (2x), Loeffler, Stefan (2x), Appel, Ralf (2x), Schmidt, Hannah (2x), Zsigmond, Karoly (2x), Voit, Daria (2x), Beydullayeva, Govhar (2x)

10…a5 — 8.2% (117 parties)

Ambassadeurs : Averbakh, Yuri L (2x), Petrosian, Tigran A. (2x), Ciocaltea, Victor (2x), Suba, Mihai (2x), Anic, Darko (2x), Timpel, Klaus (2x), Nedeljkovic, Aleksandar (1x), Djurasevic, Bozidar (1x)

10…a6 — 7.3% (103 parties)

Ambassadeurs : Lorenz, Gerd (2x), Pott, Brian (2x), Dunkelblum, Arthur (1x), Flesch, Jean-benoit (1x), Botvinnik, Mikhail (1x), Hort, Vlastimil (1x), Lorson, Gerhard (1x), Doerner, Charles (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10…exd4	10…Qc7	10…a5	10…a6
<1800	16	56%	19%	—	12%
1800-2200	488	49%	24%	5%	8%
2200-2600	630	62%	9%	11%	6%
2600+	6	33%	—	17%	—

Évolution par décennie (% des parties)

Décennie	N parties	10…exd4	10…Qc7	10…a5	10…a6
1920s	1	—	—	—	—
1930s	4	—	25%	—	—
1940s	10	40%	20%	—	—
1950s	47	51%	15%	15%	11%
1960s	40	62%	8%	5%	18%
1970s	46	48%	9%	15%	4%
1980s	81	62%	10%	12%	6%
1990s	293	61%	14%	8%	7%
2000s	342	52%	17%	8%	6%
2010s	472	55%	17%	7%	8%
2020s	84	60%	17%	7%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10…exd4	55%	60%	▲ +4.9%
10…Qc7	17%	17%	+0.1%
10…a5	7%	7%	-0.1%
10…a6	8%	7%	-0.5%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 3 parties
Tal, Mikhail — 2 parties
Botvinnik, Mikhail — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

10…exd4 — 55.6% (789 parties)

1944 — Veresov, Gavriil vs Lilienthal, Andor — 1/2-1/2 — Moskou ch-URS
1945 — Zita, Frantisek vs Pachman, Ludek — 1/2-1/2 — Zlin CZE
1949 — Schmid, Leo vs Niephaus, Walter — 1-0 — Wiesbaden GER
1949 — Blanco Cruz, Wara vs Bolbochan, J. — 1/2-1/2 — Mar del Plata ARG
1950 — Schmid, Lothar vs Niephaus, Walter — 1-0 — Wiesbaden GER

10…Qc7 — 15.3% (217 parties)

1936 — Landau, Salo vs Schelfhout, Willem — 1-0 — Rotterdam NED
1946 — Denker, Arnold S vs Najdorf, Miguel — 1/2-1/2 — Groningen NED
1949 — Rhodes, Herbert Gibson vs Penrose, Jonathan — 1-0 — Felixstowe
1950 — Bolbochan, J. vs Schmid, Leo — 1-0 — Dubrovnik CRO
1951 — Euwe, Max vs Muilwijk, Jaap — 1-0 — The Hague NED

10…a5 — 8.2% (117 parties)

1954 — Nedeljkovic, Aleksandar vs Djurasevic, Bozidar — 0-1 — Belgrade SRB
1954 — Averbakh, Yuri L vs Petrosian, Tigran V. — 1/2-1/2 — Riga URS tt ch
1954 — Averbakh, Yuri L vs Petrosian, Tigran A. — 1/2-1/2 — Riga LAT
1954 — Zalys, Ignas vs Joyner, Lionel — 0-1 — Montreal ch
1955 — Korchnoi, Viktor vs Ivkov, Borislav — 1-0 — Hastings ENG

10…a6 — 7.3% (103 parties)

1952 — Lorson, Gerhard vs Doerner, Charles — 1-0 — Helsinki olm
1952 — Myhre, Erling vs De Souza Mendes, Joao — 1/2-1/2 — Helsinki olm
1952 — Eliskases, Erich vs Engels, Ludwig — 1/2-1/2 — Rio de Janeiro BRA
1955 — Popel, Stepan vs Pilnik, Herman — 1/2-1/2 — Paris FRA
1956 — Clarke, Paul R H vs Alexander Ronald Cheng — 1/2-1/2 — Hastings ENG

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