Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● b7→a6, c7→d6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1)	● g4 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bb2	● Bb2 Ok (mob. 2)
Bg2	● Bg2 Ok (mob. 2)
Bg7		● Bg7 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	1 (● a1)	1 (● c8)

Sécurité du roi

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

Thèmes

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

E63f — King’s Indian: Fianchetto, Panno, 8.b3 Rb8 9.Bb2

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O a6 8.b3 Rb8 9.Bb2 * ● 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 d5.

Plans. d5 (Occuper le centre — 14 % des parties) ; Rc1 (5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Jeu sur l'aile dame (...b5 dans 84 % des parties).

Atouts. Les Noirs s'appuient sur un contrôle dominant de g4 et f5.

Plans. ...b5 (Expansion aile dame — 84 % des parties) ; ...Bd7 (Fou actif (mobilité 6), Développer c8 — 9 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1956 CAN-op – Round ? – Evans, Larry M – 1-0 – Richardson, Keith B – G10 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 O-O 6. Nf3 Nc6 7. O-O Rb8 8. b3 a6 9. Bb2 b5 10. cxb5 axb5
1956 Leningrad ch-URS – Round 1 – Byvshev, Vasily – 1/2-1/2 – Spassky, Boris Vasily – G25 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. d4 Nc6 7. O-O a6 8. b3 Rb8 9. Bb2 Bd7 10. h3 b5
1956 New York Rosenwald – Round ? – Feuerstein, Arthur – 1/2-1/2 – Fischer, Robert J – G8 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 Nc6 7. O-O a6 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5
1956 New York Rosenwald – Round ? – Reshevsky, Samuel – 1-0 – Fischer, Robert J – G5 1. c4 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O a6 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5
1956 Poltava – Round 1 – Zak, Vladimir – 0-1 – Kortchnoi, V. – G4 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 Nc6 7. O-O a6 8. b3 Rb8 9. Bb2 b5 10. d5 Na5
1957 USA Ch Open 58th – Round 6 – Byrne, Robert E – 1/2-1/2 – Mednis, Edmar J – G43 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O a6 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5
1958 Argentina – Round 6 – Eliskases, Erich – 1/2-1/2 – Idigoras, Gregorio – G44 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. d4 d6 6. Nf3 Nc6 7. O-O a6 8. b3 Rb8 9. Bb2 b5 10. d5 Na5
1958 HUN Ch 13th – Round 19 – Gasztonyi, Endre – 1-0 – Varnusz, Egon – G161 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O a6 8. b3 Rb8 9. Bb2 Bg4 10. d5 Na5
1965 FRG Ch – Round 15 – Pfleger, Helmut, Dr. – 1/2-1/2 – Kestler, Hans-Guenther – G43 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. c4 Nc6 7. Nc3 a6 8. b3 Rb8 9. Bb2 b5 10. d5 Na5
1966 Bucharest Bucharest ROM – Round 1 – Kolarov, Atanas S. – 0-1 – Gheorghiu, Florin – G2 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. b3 Rb8 9. Bb2 Bd7 10. Rc1 b5
1966 Hoogovens 28th – Round 9 – Van Scheltinga, Theo – 1-0 – Cuijpers, Frans Andre – G25 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nc3 Nc6 7. O-O a6 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5
1967 Oxford ch-BCF – Round 9 – Whiteley, Andrew Jonathan – 1-0 – Macdonald-Ross, Michael – G83 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 Rb8 8. b3 a6 9. Bb2 b5 10. cxb5 axb5
1967 Rubinstein Memorial – Round 14 – Kolarov, Atanas S. – 1/2-1/2 – Schmidt, Waldemar – G56 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 a6 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5
1968 Copenhagen ch-DEN – Round 11 – Norby, Peter H. – 1/2-1/2 – Petersen, Finn – G43 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. Nf3 d6 6. O-O Nc6 7. d4 a6 8. b3 Rb8 9. Bb2 Bd7 10. d5 Na5
1968 Lugano SUI – Round 1 – Johannessen, Svein – 1/2-1/2 – Mecking, Henrique – G7 1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. d4 O-O 5. g3 d6 6. Bg2 Nc6 7. O-O a6 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5
1968 Netanya-A – Round 4 – Porath, Yosef – 1/2-1/2 – Domnitz, Zadok – G22 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 a6 6. Nf3 Nc6 7. O-O d6 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5
1969 Buenos Aires – Round 1 – Chemes, Luis – 0-1 – Schweber, Samuel – G9 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 a6 8. b3 Rb8 9. Bb2 Bf5 10. Qd2 Qc8
1971 Moscow – Round 14 – Olafsson, Fridrik – 1/2-1/2 – Byrne, Robert – G228 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 Nc6 7. Nc3 a6 8. b3 Rb8 9. Bb2 b5 10. d5 Na5
6. World Blitz 2010 – Round 33 – Aronian, Levon – 1-0 – Nakamura, Hikaru – G235 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. O-O a6 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5
Amber Blindfold 1998 – Round 10 – Nikolic, Predrag – 1-0 – Ljubojevic, Ljubomir – G15 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. b3 Rb8 9. Bb2 Bd7 10. Rc1 b5
Amber Rapidplay 1999 – Round 7 – Nikolic, Predrag – 0-1 – Shirov, Alexei – G41 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5
Belgrade Invest 1995 – Round 2 – Topalov, Veselin – 1/2-1/2 – Shirov, Alexei – G8 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 Nc6 7. O-O a6 8. b3 Rb8 9. Bb2 b5 10. Ne1 Na5

E63f — 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.b3 Rb8 9.Bb2

Les coups candidats

9…b5 — 83.6% (939 parties)

Ambassadeurs : Romanishin, Oleg M (19x), Davies, Nigel R (6x), Zapata, Alonso (6x), Sapis, Witalis (6x), Gruenfeld, Yehuda (6x), Pfleger, Helmut, Dr. (4x), Burmakin, Vladimir (4x), Nunn, John D M (4x)

9…Bd7 — 9.3% (105 parties)

Ambassadeurs : Gheorghiu, Florin (2x), Rapaka Samuel Paul (2x), Strenzwilk, Denis (2x), Istratescu, Andrei (2x), Bruemmer, Ullrich (1x), Hartmann, Klaus (1x), Norby, Peter H. (1x), Petersen, Finn (1x)

9…e5 — 1.4% (16 parties)

Ambassadeurs : Seppanen, Asko (1x), Nissinen, Marko (1x), Lisanti, Andre (1x), Justen, Detlef, Dr. (1x), Bee, Marcus (1x), Quast, Michael (1x), Corrales Azana, Francisco (1x), Larios Crespo, Manuel (1x)

9…Bf5 — 1.3% (15 parties)

Ambassadeurs : Chemes, Luis (1x), Schweber, Samuel (1x), Cooper, David M (1x), Sutherland, John A (1x), Murara, Maxence (1x), Baules Rodriguez, Jorge Luis (1x), Raffalt, Manfred (1x), Krenek, Markus (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…b5	9…Bd7	9…e5	9…Bf5
<1800	35	83%	14%	—	—
1800-2200	363	77%	13%	2%	2%
2200-2600	610	87%	8%	1%	1%
2600+	16	94%	6%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…b5	9…Bd7	9…e5	9…Bf5
1950s	17	82%	12%	—	—
1960s	16	75%	19%	—	6%
1970s	56	89%	9%	—	—
1980s	112	95%	3%	—	—
1990s	204	82%	10%	2%	0%
2000s	220	80%	8%	4%	2%
2010s	423	83%	10%	0%	2%
2020s	75	83%	12%	1%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…b5	83%	83%	-0.1%
9…Bd7	10%	12%	▲ +1.6%
9…e5	0%	1%	▲ +1.1%
9…Bf5	2%	3%	▲ +1.0%

Joueurs célèbres

Champions du monde dans cette position

Ju, Wenjun — 3 parties

Parties historiques

9…b5 — 83.6% (939 parties)

1955 — Wexler, Francisco vs Idigoras Guisasola, Gregorio — 1-0 — Buenos Aires ARG
1956 — Evans, Larry vs Richardson, Keith B — 1-0 — Montreal CAN
1956 — Ali, Zak vs Korchnoi, Viktor — 0-1 — Poltava
1957 — Cruz Ccori Wenner vs Madeira de Lei, M. — 0-1 — Rio de Janeiro BRA
1957 — Koginov, V. vs Byvshev, Vasily — 0-1 — Leningrad RUS

9…Bd7 — 9.3% (105 parties)

1956 — Byvshev, Vasily vs Spassky, Boris Vasily — 1/2-1/2 — Leningrad ch-URS
1957 — Bruemmer, Ullrich vs Hartmann, Klaus — 1/2-1/2 — Zittau
1966 — Kolarov, Atanas S. vs Gheorghiu, Florin — 0-1 — Bucharest Bucharest ROM
1966 — Soos, Bela vs Partos, Charles — 1/2-1/2 — Bucharest ROU
1968 — Norby, Peter H. vs Petersen, Finn — 1/2-1/2 — Copenhagen ch-DEN

9…e5 — 1.4% (16 parties)

1990 — Seppanen, Asko vs Nissinen, Marko — 1/2-1/2 — Helsinki HOSK
1990 — Bee, Marcus vs Quast, Michael — 1/2-1/2 — GER
1990 — Kauko, Pekka vs Hakaniemi, Pauli — 1-0 — Tampere Hervanta
1994 — Corrales Azana, Francisco vs Larios Crespo, Manuel — 1-0 — Albacete ESP
1999 — Lisanti, Andre vs Justen, Detlef, Dr. — 1-0 — Woerrstadt

9…Bf5 — 1.3% (15 parties)

1969 — Chemes, Luis vs Schweber, Samuel — 0-1 — Buenos Aires ARG
1992 — Cooper, David M vs Sutherland, John A — 0-1 — New Zeeland
2004 — Murara, Maxence vs Baules Rodriguez, Jorge Luis — 0-1 — Calvia ESP
2004 — Raffalt, Manfred vs Krenek, Markus — 1/2-1/2 — Hartberg AUT
2007 — Pisarenko, Oleg vs Kudriashov, Anatoli — 0-1 — Uljanovsk

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