E67b — King’s Indian: Fianchetto with 6…Nd7 7.O-O

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte f4….

Atouts. Les Blancs s'appuient sur les cases fortes f4, b5, d5 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. Jeu au centre (rupture c7-c6).

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. ...c6 (Rupture) ; ...c5 (Rupture) ; ...d5 (Rupture) ; ...e6 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● c7→d6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v0), ● d5 (2v1), ● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v0), ● d5 (2v1)	—

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. 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	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1925 Debrecen – Round 1 – Gruenfeld, Ernst – 1-0 – Havasi, Kornel – G34 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O Re8 8. Qc2 e5 9. Rd1 exd4 10. Nxd4 a6
1932 Bad Sliac – Round 1 – Pirc, Vasja – 1-0 – Opocensky, Karel – G51 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. c4 Nbd7 6. Nc3 O-O 7. O-O Re8 8. b3 e5 9. Bb2 c6 10. e4 Qc7
1934 Sitges – Round 12 – Del Valle Domenech, Rafael – 1/2-1/2 – Prins, Lodewijk – G71 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nbd7 7. Nc3 Rb8 8. Qc2 a6 9. a4 b6 10. e4 e5
1935 BCF Ch 28th – Round 11 – Golombek, Harry – 0-1 – Saunders, Harold – G28 1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. d4 h6 8. e4 Kh7 9. h3 Ng8 10. Be3 e5
1936 Olympiad (unofficial) – Round 19 – Gereben, Erno – 1-0 – Kayser, Ferdinand – G128 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 Rb8 8. Bg5 h6 9. Bf4 Nh5 10. Be3 a6
1936 Podebrady – Round ? – Menchik, Vera Frantsevna – 1/2-1/2 – Eliskases, Erich – G152 1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 Re8 8. h3 c6 9. Qb3 Qc7 10. Be3 b6
1942 Mar del Plata – Round 7 – Graf, Sascha – 0-1 – Concepcion Villegas, Bryan Uriel – G57 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 h6 8. Qc2 c6 9. b3 Qc7 10. Bb2 Rd8
1945 Buenos Aires Circulo – Round 5 – Stahlberg, Gideon – 1-0 – Rauch, Marie-Louise – G17 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 Nbd7 6. Bg2 O-O 7. O-O Re8 8. h3 c6 9. Be3 Nf8 10. Qb3 Qc7
1950 Venice – Round 4 – Nestler, Vincenzo – 1/2-1/2 – De Paoli, Emilio – G44 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 Re8 8. Qc2 c6 9. b3 a5 10. Bb2 Nb6
1953 HUN Ch Budapest HUN – Round ? – Sandor, Bela – 1-0 – Borloy, Karoly – G58 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 Re8 8. Qc2 c6 9. h3 e5 10. dxe5 dxe5
1955 Gecsei Memorial – Round 4 – Lengyel, Levente – 1/2-1/2 – Andrasi, Ferenc – G13 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. Nc3 a6 8. Qc2 Rb8 9. d5 Nb6 10. Nd2 Bd7
1958 Munich olm prel – Round 2 – Reshevsky, Samuel – 1/2-1/2 – Vestol, Aage – G11 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. d4 d6 6. Nf3 Nbd7 7. O-O Nh5 8. e4 e5 9. Bg5 f6 10. Be3 Rf7
1958 Munich olm prel – Round 5 – Euwe, Max – 1-0 – Primavera, Giuseppe – G44 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 O-O 6. Nc3 Nbd7 7. O-O a6 8. Qc2 Rb8 9. Rd1 c6 10. e4 b5
1959 Practice – Round ? – Collins, Paul H – 0-1 – Collins, Richard Arnold – G10 1. d4 Nf6 2. c4 g6 3. g3 d6 4. Bg2 Bg7 5. Nc3 O-O 6. Nf3 Nbd7 7. O-O b6 8. e4 Bb7 9. Re1 e5 10. Qd3 Nh5
1963 Amsterdam – Round 8 – Dunkelblum, Arthur – 0-1 – Crabbendam, Hans – G37 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nbd7 7. Nc3 Nb6 8. Qd3 c6 9. b3 Bf5 10. e4 Nxe4
1964 ARG Ch – Round 3 – Najdorf, Miguel – 1-0 – Burgalat, Francisco J – G9 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O Nh5 8. e4 e5 9. Bg5 f6 10. Be3 Rf7
1967 Reggio Emilia 6768 10th – Round 6 – Trincardi, Tullio – 0-1 – Navarovszky, Laszlo – G19 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 a6 8. h3 Rb8 9. a4 a5 10. Be3 c6
1967 US Open – Round 1 – Byrne, Robert E – 1-0 – Edwards, David M – G1 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 Nbd7 6. O-O O-O 7. Nc3 a6 8. Be3 Re8 9. Qc1 e5 10. Rd1 c6
1969 Budapest – Round 1 – Karpov, Aleksandr – 0-1 – Adorjan, Alex – G7 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. g3 O-O 6. Bg2 Nbd7 7. O-O a6 8. e4 c5 9. Re1 cxd4 10. Nxd4 Nc5
1969 Budapest ch-HUN – Round 1 – Flesch, Jean-benoit – 1/2-1/2 – Adorjan, Alex – G53 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 a6 8. d5 e5 9. dxe6 fxe6 10. Ng5 Ne5

E67b — Fianchetto with

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O

Les coups candidats

7…e5 — 81.5% (29103 parties) →

Ambassadeurs : Ilincic, Zlatko (84x), Gallagher, Joseph G. (69x), ? (63x), Najdorf, Miguel (56x), Csom, Istvan (45x), Geller, Efim P. (44x), Wojtkiewicz, Aleksander (40x), Van Wely, Loek (37x)

7…c6 — 10.4% (3706 parties) →

Ambassadeurs : Borriss, Claudia (8x), Volodin, Viktor (5x), Rossi, Giampiero (4x), Grabarczyk, Miroslaw (4x), Rubinstein, Akiba (3x), Garcia Orus, Francisco (3x), Karlsson, Mats 1976 (3x), Roos, Celine (3x)

7…c5 — 4.5% (1590 parties) →

Ambassadeurs : Kadonas, Kestutis (9x), Rozsa, Sandor (4x), Kranz, Armin (3x), Pasztor, Ferenc (3x), Rellstab, Ludwig (2x), Hoffmann, Hans (2x), Darski Anatoli (2x), Lamas Jose A (2x)

7…Re8 — 1.4% (495 parties)

Ambassadeurs : Doskocil, Klaus (4x), Stahlberg, Gideon (3x), Eliskases, Erich (2x), Perez Perez, Francisco Jose (2x), Farias, Igor Borge Cardoso (2x), Springis, Jevgenijs (2x), Tsydypov, Zhamsaran (2x), Mikenas, Vladas (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…e5	7…c6	7…c5	7…Re8
<1800	905	61%	15%	15%	4%
1800-2200	11576	73%	15%	7%	2%
2200-2600	15906	91%	6%	1%	0%
2600+	406	98%	1%	0%	0%

Évolution par décennie (% des parties)

Décennie	N parties	7…e5	7…c6	7…c5	7…Re8
1870s	1	100%	—	—	—
1880s	1	100%	—	—	—
1920s	30	63%	13%	17%	7%
1930s	114	75%	9%	5%	7%
1940s	200	91%	4%	2%	2%
1950s	842	91%	6%	1%	1%
1960s	713	85%	10%	2%	0%
1970s	892	84%	9%	4%	1%
1980s	1789	86%	9%	3%	1%
1990s	8115	84%	10%	3%	1%
2000s	9120	79%	12%	6%	2%
2010s	11529	80%	11%	5%	2%
2020s	2361	85%	7%	4%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…e5	80%	85%	▲ +5.6%
7…c6	11%	7%	▼ -4.3%
7…c5	5%	4%	▼ -1.0%
7…Re8	2%	2%	-0.2%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 10 parties
Euwe, Max — 10 parties
Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 10 parties
Karpov, Aleksandr — 10 parties
Kasparov, Garry — 10 parties
Karpov, Anatoly — 10 parties
Ju, Wenjun — 10 parties
Gukesh D — 10 parties
Ding, Liren — 6 parties
Carlsen, Magnus — 5 parties
Kramnik, Vladimir — 3 parties
Alekhine, Alexander — 2 parties
Hou, Yifan — 2 parties
Anand, Viswanathan — 1 partie

Parties historiques

7…e5 — 81.5% (29103 parties)

1871 — Jankovec, Ivan vs Liebert, Heinz — 1-0 — Havirov CZE
1880 — Adolf, Feraydo vs Paulsen, Louis — 1/2-1/2 — Wiesbaden GER
1924 — Havasi, Kornel HUN4 vs Vajda, Arpad — 1-0 — Paris FRA
1925 — Alekhine, Alexander vs Antonius Henricus Marie Wap — 1-0 — Rotterdam NED
1925 — Ramhartner vs Louma, Josef — 1/2-1/2 — Bratislava SVK

7…c6 — 10.4% (3706 parties)

1924 — Apscheneek, Fritzis vs Havasi, Kornel — 0-1 — Paris FRA
1929 — Rubinstein, Akiba vs Tylor, Theodore Henry — 1-0 — Ramsgate schev
1929 — Rubinstein, Akiba vs Tylor, J. — 1-0 — Ramsgate
1929 — Rubinstein, Akiba vs Brown Taylor, Pablo — 1-0 — Ramsgate
1931 — Glass, Eduard vs Lokvenc, Josef — 1/2-1/2 — Trebitsch mem14

7…c5 — 4.5% (1590 parties)

1925 — Mueller, Hans vs Gruber, Theodor — 1-0 — Vienna AUT
1925 — Cs. Nagy, Gabor vs Steiner, Laszlo — 1-0 — Debrecen HUN
1925 — Monticelli, Mario vs De Nardo, Giulio — 1-0 — Venice ITA
1927 — Goldstein, Maurice Edward vs Koltanowski, George — 1/2-1/2 — Hastings ENG
1927 — Thomas, George Alan vs Yates, Frederic D — 1-0 — London ENG

7…Re8 — 1.4% (495 parties)

1925 — Gruenfeld, Ernst vs Havasi, Kornel — 1-0 — Debrecen HUN
1929 — Soultanbeieff, Victor vs Tylor, Theodore — 1/2-1/2 — Ramsgate
1931 — Feigin, Movsa vs Wahltuch, Victor Leonard — 1-0 — Prague CZE
1932 — Pirc, Vasja vs Opocensky, Karel — 1-0 — Bad Sliac
1935 — Stahlberg, Gideon vs Berndtsson, Karl — 1-0 — Oerebro

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