Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3, c4→d5	● b7→a6, c7→d6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0), ● f4 (2v0), ● g5 (2v0)	● g4 (2v0), ● f5 (2v0)
Cases faibles	—	● d5
Centre	● d4 (2v0), ● 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	fermé
Ruptures	● c4-c5	● …c7-c6, ● …e7-e6

E63m — King’s Indian: Fianchetto, Panno, 8.d5 Na5

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.O-O a6 8.d5 Na5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ 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 d4, f4 et g5.

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

Plans. Nd2 (71 % des parties) ; b3 (Préparer le fianchetto — 20 % des parties) ; Qd3 (Centraliser la dame — 8 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Jeu sur l'aile dame (...c5 dans 93 % des parties).

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

Côté adverse. Une pièce en prise (le pion en c4).

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

Plans. ...c5 (Frapper le centre adverse — 93 % des parties) ; ...Rb8 (3 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1956 Leningrad ch-URS – Round 1 – Khasin, Abram – 0-1 – Byvshev, Vasily – G62 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O a6 8. d5 Na5 9. b3 c5 10. dxc6 bxc6
1956 Marianske Lazne/Praha – Round 8 – Filip, Miroslav – 1/2-1/2 – Stahlberg, Gideon – G52 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. d4 d6 6. Nf3 Nc6 7. O-O a6 8. d5 Na5 9. b3 c5 10. Bb2 Bd7
1956 URS Ch sf – Round ? – Novotelnov, Nikolai – 1-0 – Tolush, Alexander V – G11 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 O-O 5. O-O d6 6. d4 Nc6 7. Nc3 a6 8. d5 Na5 9. Qd3 c5 10. dxc6 bxc6
1956 Zittau-A 6th – Round 1 – Groiss, Werner – 0-1 – Baumbach, Friedrich, Dr. – G5 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 Nc6 7. Nc3 a6 8. d5 Na5 9. Nd2 c5 10. dxc6 Nxc6
1957 CAN Ch – Round 3.1 – Potter, Brian – 0-1 – Joyner, Lionel – G5 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. O-O a6 8. d5 Na5 9. Qd3 c5 10. e4 Rb8
1957 Mar del Plata – Round 1 – Incutto, Carlos – 1-0 – Alonso-Lej De Las Casas, Fernando – G15 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 a6 8. d5 Na5 9. Nd2 c5 10. a3 Ng4
1958 Munich olm prel – Round 1 – Bisguier, Arthur B – 1-0 – Beckman, B. – G2 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O Nc6 7. Nc3 a6 8. d5 Na5 9. Nd2 c5 10. e4 Rb8
1958 Portoroz Interzonal – Round 10 – Rossetto, Hector – 0-1 – Tal, Mikhail – G88 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nc6 7. Nc3 a6 8. d5 Na5 9. Qd3 c5 10. e4 e6
1959 CSR Ch – Round 4 – Ratolistka, Josef – 1/2-1/2 – Ujtelky, Maximilian – G33 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. c4 a6 7. Nc3 Nc6 8. d5 Na5 9. Qd3 c5 10. Nd2 Ng4
1960 CSR Ch – Round 11 – Kozma, Julius – 1-0 – Cucka, Josef – G90 1. c4 Nf6 2. Nf3 g6 3. d4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. d5 Na5 9. Nd2 c6 10. b4 Nxd5
1963 Sarajevo – Round 9 – Gligorić, Svetozar – 1-0 – Bogdanovic, Rajko – G51 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nc6 7. Nc3 a6 8. d5 Na5 9. Nd2 c6 10. b4 Nxd5
1964 Hoogovens Beverwijk NED – Round 5 – Filip, Marius Liviu – 1-0 – Bobotsov, Milko G – G50 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 a6 8. d5 Na5 9. b3 e5 10. Nd2 c5
1965 Hoogovens – Round 3 – Lengyel, Laszlo – 1/2-1/2 – Bobotsov, Milko G – G31 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. d5 Na5 9. b3 c5 10. Bb2 Rb8
1965 HUN-ch21 – Round 1 – Barczay, Laszlo – 1-0 – Liptay, Laszlo Dr. – G37 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nc6 7. Nc3 a6 8. d5 Na5 9. b3 c5 10. dxc6 Nxc6
1967 HUN-RSFSR – Round 2 – Barczay, Laszlo – 1/2-1/2 – Doroshkievich, Vladimir K – G6 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 a6 8. d5 Na5 9. b3 c5 10. dxc6 Ne4
36. Olympiad 2004 – Round 4 – Barsov, Alexei – 1-0 – Fedorov, Alexei – G117 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. d5 Na5 9. b3 Rb8 10. Bd2 c5
41. Olympiad Open 2014 – Round 11.6 – Vakhidov, Jakhongir – 1/2-1/2 – Adhiban, B. – G801 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. d5 Na5 9. b3 Rb8 10. Nd4 Bd7
41. Olympiad Open 2014 – Round 2.13 – Fridman, Daniel – 1-0 – Djurhuus, Rune – G99 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. g3 d6 6. Bg2 Nc6 7. O-O a6 8. d5 Na5 9. b3 c5 10. dxc6 Nxc6
42. Olympiad 2016 – Round 4.43 – Predojevic, Borki – 1-0 – Ren, Aaron Song – G296 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. d5 Na5 9. b3 c5 10. dxc6 Nxc6
Bugojno 1984 – Round 11 – Andersson, Ulf 1949 – 1/2-1/2 – Ribli, Zoltan – G59 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. d5 Na5 9. b3 Rb8 10. Bd2 c5
SportAccord Blitz 2014 – Round 7.7 – Wang, Yue(SH) – 0-1 – Vachier-Lagrave, Maxime – G55 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 Nc6 7. d4 a6 8. d5 Na5 9. b3 b5 10. cxb5 axb5
World Blitz 2018 – Round 3.82 – Fridman, Daniel – 1-0 – Belyakov, Bogdan – G199 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. d4 Nc6 7. O-O a6 8. d5 Na5 9. b3 c5 10. dxc6 bxc6
World Rapid 2019 – Round 6.69 – Christiansen, Johan-Sebastian – 0-1 – Sanal, Vahap – G420 1. c4 g6 2. Nc3 Bg7 3. Nf3 d6 4. d4 Nf6 5. g3 O-O 6. Bg2 Nc6 7. O-O a6 8. d5 Na5 9. b3 c5 10. dxc6 Nxc6

E63m — 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.d5 Na5

Les coups candidats

9.Nd2 — 71.0% (2619 parties)

Ambassadeurs : Ribli, Zoltan (15x), Ciocaltea, Victor (11x), Schmidt, Wlodzimierz (9x), Cvitan, Ognjen (9x), Ornstein, Axel (8x), Petrosian, Tigran V. (7x), Keene, Raymond D (7x), Babula, Vlastimil (7x)

9.b3 — 19.9% (735 parties)

Ambassadeurs : Barsov, Alexei (11x), Matamoros Franco, Carlos S. (10x), Drasko, Milan (7x), Buckels, Valentin (6x), Aranaz Murillo, Amalia (6x), Kavalek, Lubomir (5x), Kirov, Nino (5x), Christiansen, Johan-Sebastian (5x)

9.Qd3 — 8.4% (309 parties)

Ambassadeurs : Gerhards, Guntis (2x), Aubry, Yannis (2x), Rossetto, Hector (1x), Tal, Mikhail (1x), LAR, Rai Joseph (1x), Ujtelky, Maximilian (1x), Juan, Jakober (1x), Kasanen, Juha (1x)

9.Qa4 — 0.5% (19 parties)

Ambassadeurs : Heinicke, Herbert (1x), Scheipl, Ralf (1x), Attard, Wilfred (1x), Choong, Liong-On Mark (1x), Gould, Iain C (1x), Dziggel, Hendrik (1x), Morais Pinto, Pedro Jorge (1x), Correa, Aron Antunes (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Nd2	9.b3	9.Qd3	9.Qa4
<1800	72	61%	21%	17%	—
1800-2200	1134	65%	19%	15%	1%
2200-2600	2010	72%	23%	4%	0%
2600+	45	82%	18%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9.Nd2	9.b3	9.Qd3	9.Qa4
1950s	36	78%	6%	14%	3%
1960s	104	89%	9%	2%	—
1970s	213	85%	13%	2%	0%
1980s	321	88%	8%	3%	1%
1990s	719	84%	8%	7%	0%
2000s	912	75%	15%	9%	0%
2010s	1111	58%	29%	12%	1%
2020s	271	37%	55%	8%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Nd2	58%	37%	▼ -21.1%
9.b3	29%	55%	▲ +25.3%
9.Qd3	12%	8%	▼ -3.8%
9.Qa4	1%	0%	-0.4%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 3 parties
Tal, Mikhail — 2 parties
Botvinnik, Mikhail — 2 parties
Kasparov, Garry — 2 parties
Karpov, Anatoly — 2 parties
Ju, Wenjun — 1 partie
Ding, Liren — 1 partie

Parties historiques

9.Nd2 — 71.0% (2619 parties)

1952 — Fridstein, German vs Chaplinsky, Edgar — 0-1 — Riga LAT
1956 — Tal, Mikhail vs Kampenuss, Peteris — 1/2-1/2 — Riga LAT
1956 — Groiss, Werner vs Baumbach, Friedrich, Dr. — 0-1 — Zittau
1956 — Averbakh, Yuri L vs Alexander Tadala — 1-0 — Leningrad ch-URS
1956 — Gurgenidze, Bukhuti vs Giorgadze, Tamaz — 1-0 — Tbilisi GEO

9.b3 — 19.9% (735 parties)

1956 — Khasin, Abram vs Byvshev, Vasily — 0-1 — Leningrad ch-URS
1956 — Filip, Miroslav vs Stahlberg, Gideon — 1/2-1/2 — Marianske Lazne
1962 — Korchnoi, Viktor vs Bak, Istvan — 1-0 — Stockholm izt
1962 — Korchnoi, Viktor vs Bak, Istvan — 1-0 — Stockholm SWE
1963 — Anay Barche vs De Greif, Boris — 1-0 — Havana CUB

9.Qd3 — 8.4% (309 parties)

1956 — Novotelnov, Nikolai vs Alexander Tadala — 1-0 — Leningrad RUS
1957 — Estonllo, Maximino vs Panno, Oscar — 0-1 — Buenos Aires ARG
1957 — Potter, Brian vs Joyner, Lionel — 0-1 — Vancouver
1958 — Rossetto, Hector vs Tal, Mikhail — 0-1 — Portoroz SLO
1959 — LAR, Rai Joseph vs Ujtelky, Maximilian — 1/2-1/2 — Bratislava SVK

9.Qa4 — 0.5% (19 parties)

1958 — Heinicke, Herbert vs Scheipl, Ralf — 0-1 — Bielefeld
1972 — Attard, Wilfred vs Choong, Liong-On Mark — 1-0 — Skopje MKD
1985 — Gould, Iain C vs Dziggel, Hendrik — 0-1 — corr
1985 — Morais Pinto, Pedro Jorge vs Correa, Aron Antunes — 0-1 — BRA-ch 52th Brasilia BRA
1990 — Rodriguez Vargas, Orestes vs Zapata, Alonso — 0-1 — Zamora

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