Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b7→a6, c7→d6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● d5 (3v1), ● g5 (2v0)	● g4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (3v1)	—

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)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● c4-c5, ● e4-e5	● …d6-d5, ● …e7-e5

E63c — King’s Indian: Fianchetto, Panno, 8.e4

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O a6 8.e4 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Jeu au centre (rupture c4-c5).

Atouts. Les Blancs s'appuient sur un contrôle dominant de f4, d5 et g5.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. h3 (Empêcher ...Bg4 — 33 % des parties) ; Be3 (Fou actif (mobilité 5), Développer c1 — 31 % des parties) ; d5 (Occuper le centre — 13 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Jeu au centre (rupture d6-d5).

Atouts. Les Noirs s'appuient sur un contrôle dominant de g4.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...Bg4 (Fou actif (mobilité 7), Développer c8 — 58 % des parties) ; ...Rb8 (25 % des parties) ; ...e5 (Occuper le centre — 11 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1956 Montreal – Round 1 – John De Rose P – 0-1 – Joyner, Lionel – G33 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 a6 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 Nd7
1956 Moscow olm fin-B – Round 4 – Sanchez Alpizar, Luis Alberto – 1-0 – Johannessen, Svein – G43 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 O-O 5. Nc3 d6 6. d4 Nc6 7. O-O a6 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 Rb8
1956 Moscow olm prel – Round 6 – Badilles, Glicerio – 0-1 – Uhlmann, Wolfgang – G188 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. O-O a6 8. e4 Rb8 9. a4 Na5 10. b3 c5
1957 Dublin zt – Round 14 – Catozzi, Mauro – 1-0 – Benko, Pal – G114 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 Nc6 7. d4 a6 8. e4 Rb8 9. a4 Na5 10. b3 c5
1957 WchT U26 Reykjavik ISL – Round 1 – Gilfer, Eggert – 0-1 – Olafsson, Fridrik – G3 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 a6 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 Nd7
1958 UKR Ch – Round 10 – Zamikhovsky, Abram – 1/2-1/2 – Zurakhov, Vladlen Y – G48 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 a6 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 Nd7
1959 York ch-BCF – Round 7.3 – Hallmark, A. – 0-1 – Penrose, Justin – G88 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O a6 8. e4 Bg4 9. Be3 Nd7 10. Ne2 Na5
1960 EU-Cup Gr2 – Round 2.2 – Rantanen, Matti – 1/2-1/2 – Darga, Klaus – G23 1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 a6 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 Nd7
1964 Tel Aviv ISR – Round 7 – Rantanen, Matti – 1/2-1/2 – Zinser, Sylvain – G27 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 Nc6 7. O-O a6 8. e4 Rb8 9. a4 Bg4 10. h3 Bxf3
1965 Buenos Aires ch-ARG – Round 9 – Pugach, Alevtina – 1/2-1/2 – Bielicki, Carlos – G59 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nc6 7. Nc3 a6 8. e4 e5 9. dxe5 Nxe5 10. Nxe5 dxe5
1965 Hungary – Round 1 – Sapi, Laszlo – 1/2-1/2 – Polgar, Istvan – G11 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. d4 O-O 6. Nf3 Nc6 7. O-O a6 8. e4 Rb8 9. d5 Na5 10. Qe2 b5
1966 La Habana olm prel – Round 6 – Alzate, Javier – 1/2-1/2 – Ciocaltea, Victor – G96 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 a6 8. e4 Bg4 9. Be3 Nd7 10. Qd2 Bxf3
1966 Palermo Memorial – Round 8 – Herz, Enrique – 0-1 – Bronstein, Luis Marcos – G22 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O a6 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 e5
1967 Vrnjacka Banja zt – Round 16 – Vizantiadis, Lazaros – 1/2-1/2 – Hindle, Owen M – G112 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. O-O a6 8. e4 Bg4 9. Be3 Qc8 10. Qd2 Re8
1968 New York ch-USA – Round 4 – Horowitz, I. – 1/2-1/2 – Zuckerman, Bernard – G24 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nc6 7. Nc3 a6 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 e5
1975 URS Team Ch – Round 4 – Muslimova, Aida – 0-1 – Ranniku, Maaja – G220 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O a6 7. Nc3 Nc6 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 e5
Baku FIDE Grand Prix 2014 – Round 11.5 – Radjabov, Teimour – 1/2-1/2 – Nakamura, Hikaru – G62 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 Nc6 7. O-O a6 8. e4 Bg4 9. Be3 Nd7 10. Qd2 Bxf3
Corus 2000 – Round 8 – Nikolic, Predrag – 1/2-1/2 – Polgar, Judit – G49 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d6 6. O-O Nc6 7. Nc3 a6 8. e4 Bg4 9. Be3 Nd7 10. Qd2 Bxf3
World Blitz 2007 – Round 17 – Mamedyarov, Shakhriyar – 0-1 – Kasimdzhanov, Rustam – G164 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. e4 Bg4 9. Be3 Nd7 10. Qd2 Bxf3

E63c — Fianchetto, Panno (1956)

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O a6 8.e4

Les coups candidats

8…Bg4 — 58.5% (816 parties)

Ambassadeurs : Ozturk Orenli, Kubra (9x), Jasnikowski, Zbigniew (5x), Bologan, Victor (4x), Stiller, Juergen (4x), Klewe, Wolfgang (3x), Kenney, Jason (3x), Ochs, Daniel Elias (3x), Zamkovskaya, Violetta Aleks (2x)

8…Rb8 — 25.1% (350 parties)

Ambassadeurs : Sisak, Richard (2x), Barrero Garcia, Carlos (2x), Wimalasuriya, Kasun M. (2x), Ahadzade, Kanan (2x), Sapi, Laszlo (1x), Polgar, Istvan (1x), Clayton, Carl (1x), Collins, John W (1x)

8…e5 — 11.4% (159 parties)

Ambassadeurs : Ivanka, Maria (2x), Lei, Tingjie (2x), Gu, Xiaobing (2x), Perrone, Romulo (1x), De Souza, Airton Ferreira (1x), Navabi, Abdolhossein (1x), Loverdos, Spyridon (1x), Pugach, Mario (1x)

8…Bd7 — 1.6% (22 parties)

Ambassadeurs : Birnbaum, Wolf-Dieter (1x), Grahl, Arvid (1x), Hamdar, Sopehe Haman (1x), Crosa Coll, Martin (1x), Trottier, Alain (1x), Rousseau, Daniel (1x), Beha, Alfred (1x), Werner, Ernst (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…Bg4	8…Rb8	8…e5	8…Bd7
<1800	94	56%	28%	12%	—
1800-2200	774	53%	28%	12%	3%
2200-2600	361	71%	19%	8%	0%
2600+	17	82%	18%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8…Bg4	8…Rb8	8…e5	8…Bd7
1950s	17	53%	41%	6%	—
1960s	15	53%	20%	27%	—
1970s	26	65%	23%	—	—
1980s	36	64%	25%	8%	—
1990s	164	50%	32%	15%	—
2000s	379	54%	29%	12%	2%
2010s	623	61%	22%	11%	2%
2020s	136	66%	20%	10%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…Bg4	61%	66%	▲ +4.7%
8…Rb8	22%	20%	▼ -2.1%
8…e5	11%	10%	▼ -1.5%
8…Bd7	2%	1%	▼ -1.5%

Joueurs célèbres

Champions du monde dans cette position

Ju, Wenjun — 2 parties
Ding, Liren — 1 partie
Gukesh D — 1 partie

Parties historiques

8…Bg4 — 58.5% (816 parties)

1956 — Sanchez Alpizar, Luis Alberto vs Johannessen, Svein — 1-0 — Moskou olm
1956 — Ha Van Thien Nam vs Moehring, Guenther — 0-1 — FRG-4chJ f corr
1956 — Aron Rose vs Joyner, Lionel — 0-1 — Montreal CAN
1957 — Gilfer, Eggert vs Olafsson, Trausti — 0-1 — Reykjavik ch-ICE
1958 — Laska, Karol vs Kavalek, Lubomir — 1-0 — Zlin CZE

8…Rb8 — 25.1% (350 parties)

1956 — Badilles, Glicerio vs Uhlmann, Wolfgang — 0-1 — Moskou olm
1956 — Troeger, Rainer vs Kollberg, Lothar — 1/2-1/2 — Eisenach
1956 — Lapiken, Peter Petrovich vs Mednis, Edmar J — 0-1 — Oklahoma City, OK USA
1957 — Catozzi, Henry vs Benko, Pal — 1-0 — Dublin zt
1957 — Vaitonis, Povilas vs Anderson, Frank Ross — 1-0 — Vancouver

8…e5 — 11.4% (159 parties)

1956 — Navabi, Abdolhossein vs Loverdos, Spyridon — 0-1 — Moskou olm
1961 — Diekstra, John vs Parma, Bruno — 1/2-1/2 — The Hague NED
1962 — Niess, Gert vs Huebner, Robert — 1/2-1/2 — Kiel GER
1965 — Pugach, Mario vs Bielicki, Carlos — 1/2-1/2 — Buenos Aires ch-ARG
1967 — Perrone, Romulo vs De Souza, Airton Ferreira — 0-1 — Sao Paulo BRA

8…Bd7 — 1.6% (22 parties)

2000 — Birnbaum, Wolf-Dieter vs Grahl, Arvid — 0-1 — Mecklenburg VP
2001 — Hamdar, Sopehe Haman vs Crosa Coll, Martin — 1-0 — Punta del Este V Magistral La
2002 — Pham, Thi Nu vs Luong, Minh Hue — 0-1 — Singapore SIN
2003 — Trottier, Alain vs Rousseau, Daniel — 1/2-1/2 — Repentigny CAN
2004 — Beha, Alfred vs Werner, Ernst — 1/2-1/2 — GER

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