E65a — King’s Indian: Fianchetto, Yugoslav, 7.O-O

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c5 7.O-O   ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bR
bK
bP
bP
bP
bP
bB
bP
bP
bN
bP
Case forte (2v0)
bP
Case forte (2v1)
Case forte (2v0)
wP
wPPion central
Case forte (2v0)
wN
wN
wP
wP
wP
wP
wP
wB
wP
wR
wBFou actif — mobilité 5
wQ
wR
wK
abcdefgh
Plans. d5 (Occuper le centre — 40 % des parties) ; dxc5 (Capture en c5, Frapper le centre adverse — 26 % des parties) ; h3 (Empêcher ...Bg4 — 7 % des parties) ; b3 (Préparer le fianchetto — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wB
wR
wP
wB
wP
wP
wP
wP
wP
wN
wN
Case forte (2v0)
wP
wP
Case forte (2v0)
bP
bP
bN
bP
bP
bB
bP
bP
bP
bP
bK
bR
bQ
bBFou actif — mobilité 5
bN
bR
hgfedcba
Plans. ...Nc6 (Développer b8 — 70 % des parties) ; ...cxd4 (Capture en d4, Occuper le centre — 11 % des parties) ; ...Nbd7 (Développer b8 — 8 % des parties) ; ...Na6 (Développer b8 — 5 % des parties).
Avantages
Faiblesses
Diagonale active
Plans

Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● f2→g3, h2→g3 ● d6→c5, e7→d6, f7→g6, h7→g6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● f4 (2v0), ● b5 (2v0), ● d5 (2v1), ● g5 (2v0) ● g4 (2v0), ● f5 (2v0)
Cases faibles
Centre ● d4 (2v1), ● d5 (2v1), ● e5 (2v1)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 5)
Bg2 ● Bg2 Ok (mob. 2)
Bg7 ● Bg7 Ok (mob. 2)
Bc8 ● Bc8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 2 (● c1, ● a1) 3 (● b8, ● c8, ● a8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Roqué ● Roqué
Droits de roque
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre mobile
Ruptures ● …d6-d5, ● …e7-e5
Partie
1928 BCF Ch 21st – Round 3 – Winter, William – 1-0 – Morrison, John Harold – G6
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c5 7. Nc3 Na6 8. d5 Bd7 9. e4 Nc7 10. e5 Ng4
1939 Buenos Aires ol f-A – Round 15 – Frydman, Paulino – 1-0 – Christensen, Alfred – G295
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c5 7. Nc3 Bd7 8. dxc5 dxc5 9. Ne5 Nc6 10. Nxc6 Bxc6
1939 olm Buenos Aires – Round ? – Frydman, Paulino – 1-0 – Christensen, Alfred – G7
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c5 7. Nc3 Bd7 8. dxc5 dxc5 9. Ne5 Nc6 10. Nxc6 Bxc6
1944 La Plata Jockey Club – Round 17 – Sanguinetti, Renato – 1/2-1/2 – Pelikan, Jorge – G81
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 c5 7. O-O Na6 8. b3 cxd4 9. Nxd4 Qa5 10. Bb2 Qh5
1954 Olympiad final A – Round 1 – Lundin, Erik – 1/2-1/2 – Czerniak, Magdalena – G13
1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 c5 6. O-O d6 7. Nc3 Na6 8. h3 Bd7 9. b3 Rb8 10. Be3 Qc8
1956 Moskou olm – Round 1 – Reilly, Brian – 0-1 – Sapre, Ramchandra – G52
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. c4 d6 7. Nc3 Na6 8. b3 Bd7 9. Bb2 Qc8 10. Re1 Bh3
1958 Jonkoping SWE 60jub – Round 6 – Barda, Olaf – 1-0 – Ljungquist, Lennart – G9
1. Nf3 c5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nc3 O-O 6. O-O d6 7. d4 Na6 8. h3 Rb8 9. e4 Nd7 10. Be3 h6
1962 Whitby ch-BCF – Round 4.12 – Abrahams, Gerald – 0-1 – Achao Hilton, Roger Xavier – G57
1. Nf3 Nf6 2. c4 c5 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. Nc3 d6 7. d4 Na6 8. d5 Nc7 9. h3 e5 10. dxe6 Bxe6
1963 Ontario Open – Round 1 – Sarosy, Zoltan L – 1-0 – Aboltins, Imants – G1
1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 c5 7. O-O Na6 8. h3 Rb8 9. Bg5 Be6 10. d5 Bd7
World Blitz 2017 – Round 5.14 – Cheparinov, Ivan – 0-1 – Amonatov, Farrukh – G238
1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 c5 6. Nc3 d6 7. O-O Bd7 8. dxc5 dxc5 9. Ne5 Qc8 10. Nxd7 Nbxd7

E65a — Fianchetto, Yugoslav (1928)
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c5 7.O-O
Les coups candidats
Ambassadeurs : Gligoric, Sofija (20x), Halasz, Tamas (11x), Bertok, Mario Jr. (9x), Csom, Istvan (9x), Szabo, Laszlo (8x), Tal, Mikhail (8x), Forintos, Gyozo V (8x), Benko, Pal (7x)
Ambassadeurs : Mi, Tenglong (3x), Blackstone, John (2x), Sadovsky, Julius (2x), Seibold, Hubert, Dr. (2x), Hoellrigl, Wilfried (2x), Antunes, Antonio (2x), Pecorelli Garcia, Humberto (2x), Pilar, Miloslav (2x)
Ambassadeurs : Hausner, Ivan (3x), Fuchs, Antje (2x), Leski, Marc (2x), Tratar, Marko (2x), Piskar, Rihard (2x), Hlavica, Bretislav (2x), Hagner, Pawel (2x), Lumsden, James (1x)
7…Na6 — 5.2% (393 parties)
Ambassadeurs : Mahdy, Khaled (3x), Sarosy, Zoltan L (1x), Aboltins, Imants (1x), Vrabec, Milos (1x), Spacek, Petr (1x), Abad Calderon, Abraham (1x), Correa, Hilton (1x), Thompson, Dave (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Nc6 7…cxd4 7…Nbd7 7…Na6
<1800 442 45% 20% 14% 6%
1800-2200 3067 62% 13% 11% 7%
2200-2600 2770 85% 7% 3% 3%
2600+ 51 94% 2% 2%
Évolution par décennie (% des parties)
Décennie N parties 7…Nc6 7…cxd4 7…Nbd7 7…Na6
1950s 193 93% 1% 2% 4%
1960s 207 86% 5% 2% 3%
1970s 241 77% 5% 6% 9%
1980s 488 82% 7% 4% 3%
1990s 1538 71% 9% 8% 6%
2000s 1794 64% 13% 9% 7%
2010s 1978 62% 15% 11% 6%
2020s 1077 83% 8% 4% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Nc6 62% 83% ▲ +21.7%
7…cxd4 15% 8% ▼ -6.5%
7…Nbd7 11% 4% ▼ -6.8%
7…Na6 6% 1% ▼ -4.6%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 8 parties
Kasparov, Garry — 7 parties
Ju, Wenjun — 6 parties
Carlsen, Magnus — 5 parties
Karpov, Anatoly — 3 parties
Hou, Yifan — 3 parties
Botvinnik, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Karpov, Aleksandr — 1 partie
Parties historiques
7…Nc6 — 70.4% (5289 parties)
1950 — Salm, Maxwell vs Brown, Walker Blake — 1-0 — Queensland ch
1951 — Udovcic, Mijo vs Bertok, Mario Jr. — 1/2-1/2 — Sarajevo BIH
1951 — Bahro, Tom vs Matanovic, Aleksandar — 1/2-1/2 — Sarajevo BIH
1951 — Kozomara, Vlado vs Fuderer, Andrija — 1-0 — Ljubljana ch YUG
1951 — Gligoric, Svetozar vs Bertok, Mario Jr. — 1-0 — Ljubljana
7…cxd4 — 10.9% (819 parties)
1955 — Sarapu, Ortvin vs Whitehouse, LE. — 1-0 — New Zealand ch
1957 — Franz, Joachim vs Handel, Horst — 1-0 — Soemmerda
1961 — Loftsson, Julius H vs Blackstone, John — 0-1 — No. CA
1964 — Schorr Blank, Leon vs Nutku, Ulug — 1-0 — Tel Aviv ISR
1965 — Sredanovic, Bogdan vs Blackstone, John — 0-1 — San Francisco, Ca
7…Nbd7 — 7.9% (594 parties)
1954 — Thibault, James vs Jerolim, J — 1-0 — ?
1958 — Forintos, Gyozo V vs Aldecoa, Matias — 1-0 — Munich olm prel
1959 — Kuettner, Uwe vs Naranja, Renato — 0-1 — Muenchenstein/Basel
1960 — Barendregt, Johan vs Lloyd, Kenneth W — 1-0 — Vlissingen NLD-ENG
1964 — Beni, Alfred vs Salazar Ticeran Antonio Humberto — 1/2-1/2 — Tel Aviv ISR
7…Na6 — 5.2% (393 parties)
1953 — Popel, Stepan vs Molnar, Francois — 1-0 — Paris FRA
1954 — Lundin, Erik vs Czerniak, Magdalena — 1/2-1/2 — Amsterdam olm
1956 — Reilly, Brian vs Sapre, Ramchandra — 0-1 — Moskou olm
1956 — Reilly, Brian Patrick vs Fallone, Michael — 1-0 — ?
1956 — Udovcic, Mijo vs Plante, Jacques — 1/2-1/2 — Vichy