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
bR
bBFou enfermé — mobilité 0
bQ
bR
bK
bP
bP
bP
bN
bP
bP
bBFou enfermé — mobilité 2
bP
bP
bN
bP
Case forte (2v0)
Case forte (2v1)
Case forte (2v0)
wP
wPCase forte (2v0)
Case forte (2v0)
wN
wN
wP
wP
wP
wP
wP
wB
wP
wR
wBFou actif — mobilité 5
wQ
wR
wK
abcdefgh
Avantages : case forte d4, case forte f4, case forte b5, case forte d5, case forte g5, paire de fous.
Faiblesses adverses : Bg7 enfermé, Bc8 enfermé.
Problèmes : Bc1 enfermé, Bg2 enfermé.
Plans :
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wBFou enfermé — mobilité 5
wR
wP
wBFou enfermé — mobilité 2
wP
wP
wP
wP
wP
wN
wN
wP
wP
bP
bN
bP
bP
bB
bP
bP
bN
bP
bP
bP
bK
bR
bQ
bB
bR
hgfedcba
Avantages : paire de fous.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé.
Problèmes : Bg7 enfermé, Bc8 enfermé.
Plans :
● ...Bg4 — Développer Bc8, clouer Nf3
● ...c6 — Rupture
● ...c5 — Rupture
● ...d5 — Rupture
● ...e6 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
E67b —
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O
Eval: [+0.53]
Les coups candidats
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)
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)
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
♔ 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 ● d4 (2v0), ● 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

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