Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, c4→d5, e4→d5	● d6→e5, b7→c6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	● c5 (3v0)
Cases faibles	● d4	—
Centre	● d5 (4v2)	● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Mauvais (mob. 1)
Bg7		● Bg7 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	● pawn f2	—
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	—

E69i — King’s Indian: Fianchetto, Classical, 9.h3 Qb6 10.d5

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 8.e4 c6 9.h3 Qb6 10.d5 * ● Trait aux Noirs

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 g5.

Côté adverse. Un mauvais fou en c8.

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

Plans. Qe2 (17 % des parties) ; Re1 (12 % des parties) ; Ne1 (11 % des parties) ; Qc2 (8 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter l'avant-poste c5.

Atouts. Les Noirs s'appuient sur un contrôle dominant de c5 et un avant-poste en c5.

Côté adverse. Un mauvais fou en g2.

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

Plans. ...Nc5 (Cavalier actif en c5 — 46 % des parties) ; ...cxd5 (Capture en d5, Occuper le centre — 44 % des parties) ; ...c5 (Frapper le centre adverse — 8 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1952 Saltsjobaden Interzonal – Round 9 – Geller, Efim P – 1-0 – Wade, Robert G – G79 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. d5 Ne8
1954 Munich zt – Round 11 – Toran Albero, Roman – 1-0 – Wade, Robert G – G69 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. d5 cxd5
1957 Moskou ch-URS – Round 9 – Korchnoi, Viktor – 1-0 – Nezhmetdinov, Rashid – G94 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. d5 Nc5
1957 URS Ch, semi final – Round 14 – Petrosian, Tigran V – 1-0 – Shiyanovsky, Vladislav Ivanovich – G124 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Qb6 10. d5 cxd5
1958 Argentina – Round 3 – Espinosa Flores, Rafael Emilio – 1-0 – Wexler, Bernardo – G21 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. d5 Nc5
1958 Riga ch-URS – Round 1 – Kotov Lundqvist, Alex – 0-1 – Polugaevsky, Lev – G38 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. d5 Nc5
1959 Hastings5960 – Round 9 – Heemsoth, Hermann – 1/2-1/2 – Burger, Hein – G42 1. Nf3 g6 2. c4 Bg7 3. d4 Nf6 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. d5 cxd5
1960 World Championship 23th – Round 6 – Botvinnik, Mikhail – 0-1 – Tal, Mikhail – G6 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nc3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Qb6 10. d5 cxd5
1962 Candidats Tournament – Round 25 – Filip, Marius Liviu – 1/2-1/2 – Geller, Efim P – G91 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. d5 cxd5
1962 New York m – Round 9 – Evans, Larry M – 1/2-1/2 – Lombardy, William J – G9 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Qb6 10. d5 Nc5
1963 Buenos Aires ch-ARG – Round 3 – Pugach, Mario – 0-1 – Acosta Garcia, Rafael Isaac – G24 1. c4 g6 2. Nc3 Bg7 3. g3 d6 4. Nf3 e5 5. d4 Nd7 6. Bg2 Ngf6 7. O-O O-O 8. e4 c6 9. h3 Qb6 10. d5 cxd5
1964 Buenos Aires – Round 3 – Wexler, Bernardo – 1/2-1/2 – Najdorf, Miguel – G27 1. c4 Nf6 2. Nc3 e5 3. Nf3 d6 4. g3 g6 5. d4 Nbd7 6. Bg2 Bg7 7. O-O O-O 8. h3 c6 9. e4 Qb6 10. d5 Nc5
1964 Buenos Aires Ch – Round ? – Wexler, Bernardo – 0-1 – Rubinetti, Jorge – G12 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. g3 c6 6. e4 g6 7. Bg2 Bg7 8. O-O O-O 9. h3 Qb6 10. d5 cxd5
1964 Tel Aviv olm fin-A – Round 13 – Schweber, Samuel – 1-0 – Saidy, Anthony – G278 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. d5 cxd5
1965 Hungary – Round 1 – Sapi, Laszlo – 1/2-1/2 – Barczay, Laszlo – G52 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. d5 cxd5
1965 POL Ch 22th – Round 10 – Brzozka, Stefan – 1/2-1/2 – Bednarski, Jacek B – G57 1. Nf3 d6 2. g3 e5 3. c4 g6 4. Nc3 Bg7 5. d4 Nd7 6. Bg2 Ngf6 7. O-O O-O 8. e4 c6 9. h3 Qb6 10. d5 cxd5
1967 Asztalos Memorial 10th – Round 3 – Bilek, Istvan – 1/2-1/2 – Szabo, Laszlo – G15 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. c4 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. d5 cxd5
1967 October Revolution 50 – Round ? – Shamkovich, Leonid – 1-0 – Jimenez Zerquera, Eleazar – G121 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. d5 cxd5
1967 October Revolution 50 – Round 1 – Udovcic, Mijo – 1/2-1/2 – Tringov, Georgi P – G31 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Qb6 10. d5 Nc5
1967 Skopje – Round 9 – Damjanovic, Marko – 1/2-1/2 – Nicevski, Risto – G75 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 O-O 5. d4 d6 6. Nc3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Qb6 10. d5 Nc5
1969 Budapest – Round 1 – Antoshin, Vladimir S – 1-0 – Barczay, Laszlo – G10 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Qb6 10. d5 cxd5
1969 Rubinstein Memorial – Round 14 – Krogius, Nikolai V – 1-0 – Bednarski, Jacek – G55 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nbd7 7. Nc3 e5 8. h3 c6 9. e4 Qb6 10. d5 c5
1969 San Juan – Round 3 – O'Kelly, Albéric de Galway – 1/2-1/2 – Kavalek, Lubomir – G20 1. c4 g6 2. Nc3 Nf6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Qb6 10. d5 Nc5
1969 Vidmar Memorial – Round 3 – Barcza, Gedeon – 0-1 – Tringov, Georgi P – G21 1. Nf3 g6 2. d4 Bg7 3. c4 Nf6 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. d5 c5
Manila Interzonal 1976 – Round 15 – Hort, Vlastimil – 1-0 – Biyiasas, Peter – G65 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 Nbd7 7. O-O e5 8. e4 c6 9. h3 Qb6 10. d5 Nc5

E69i — Fianchetto, Classical (1952)

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 8.e4 c6 9.h3 Qb6 10.d5

Les coups candidats

10…Nc5 — 50.5% (328 parties)

Ambassadeurs : Uhlmann, Wolfgang (4x), Wexler, Bernardo (3x), Tibensky, Robert (3x), Bielczyk, Jacek (3x), Jelling, Erik (3x), Zontakh, Andrey (3x), Korchnoi, Viktor (2x), Nezhmetdinov, Rashid (2x)

10…cxd5 — 41.4% (269 parties)

Ambassadeurs : Weindl, Alfred (5x), Lempert, Igor (4x), Shianovsky, Vladislav I (2x), Barczay, Laszlo (2x), Roth, Peter (2x), Limbach, Torsten (2x), Wiebe, Patrick (2x), Drozdov, Igor (2x)

10…c5 — 6.3% (41 parties)

Ambassadeurs : Cuartas, Jaime Alexander (2x), Krogius, Nikolai V (1x), Bednarski, Jacek (1x), Botvinnik, Mikhail (1x), Faase, Rob (1x), De Coverly, Roger D (1x), Rudge, Jerry F (1x), Anay Barche (1x)

10…Ne8 — 0.9% (6 parties)

Ambassadeurs : Geller, Efim P. (1x), Wade, Robert G (1x), Neckar, Lubomir (1x), Pekarek, Ales (1x), Medic, Mirjana (1x), Jelica, Mara (1x), Konietzka, Lutz (1x), Matthaei, Alexander (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10…Nc5	10…cxd5	10…c5	10…Ne8
<1800	21	52%	38%	10%	—
1800-2200	188	48%	40%	9%	1%
2200-2600	340	54%	40%	4%	1%
2600+	5	60%	40%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10…Nc5	10…cxd5	10…c5	10…Ne8
1950s	12	50%	33%	8%	8%
1960s	28	25%	64%	11%	—
1970s	44	52%	25%	23%	—
1980s	67	51%	39%	9%	1%
1990s	225	53%	42%	3%	1%
2000s	126	51%	40%	6%	1%
2010s	127	53%	41%	5%	1%
2020s	21	38%	57%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10…Nc5	53%	38%	▼ -14.7%
10…cxd5	41%	57%	▲ +16.2%
10…c5	5%	0%	▼ -4.7%
10…Ne8	1%	0%	▼ -0.8%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 2 parties
Tal, Mikhail — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

10…Nc5 — 50.5% (328 parties)

1957 — Korchnoi, Viktor vs Nezhmetdinov, Rashid — 1-0 — Moskou ch-URS
1958 — Kotov, Alexander vs Polugaevsky, Lev — 0-1 — Riga ch-URS
1958 — Kotov, Alexander vs Polugaevsky, Lev — 0-1 — Riga LAT
1958 — Korchnoi, Viktor vs Nezhmetdinov, Rashid — 1/2-1/2 — Vilnius LTU
1958 — Espinosa Flores, Rafael Emilio vs Wexler, Bernardo — 1-0 — Buenos Aires ARG

10…cxd5 — 41.4% (269 parties)

1954 — Toran Albero, Roman vs Wade, Robert G — 1-0 — Munich GER
1957 — Petrosian, Tigran V. vs Shianovsky, Vladislav I — 1-0 — Kiev UKR
1958 — Levin, Mikhail vs Shianovsky, Vladislav I — 1-0 — Kiev UKR
1959 — Heemsoth, Hermann vs Burger, PJ — 1/2-1/2 — Hastings ENG
1960 — Botvinnik, Mikhail vs Tal, Mikhail — 0-1 — Moskou wch-m

10…c5 — 6.3% (41 parties)

1958 — Botvinnik, Mikhail vs Faase, Rob — 0-1 — Vlaardingen simultaan
1969 — Krogius, Nikolai V vs Bednarski, Jacek — 1-0 — Polanica Zdroj POL
1969 — De Coverly, Roger D vs Rudge, Jerry F — 0-1 — Rhyl
1969 — Anay Barche vs Tringov, Georgi P — 0-1 — Ljubljana
1970 — Kubicek, Antonin vs Slavinsky, Ladislav — 0-1 — Harrachov

10…Ne8 — 0.9% (6 parties)

1952 — Geller, Efim P. vs Wade, Robert G — 1-0 — Saltsjobaden SWE
1982 — Neckar, Lubomir vs Pekarek, Ales — 0-1 — Bohemians Prague CZE
1993 — Konietzka, Lutz vs Matthaei, Alexander — 0-1 — Cologne GER
1998 — Medic, Mirjana vs Jelica, Mara — 1/2-1/2 — Pula CRO
2003 — Toth-Goczo, Melinda vs Boros, Daniel — 0-1 — HUN

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