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

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 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte g5, paire de fous.
Faiblesses adverses : arriéré f7, Bg7 enfermé, Bc8 enfermé.
Problèmes : Bc1 enfermé, Bg2 enfermé, arriéré f2.
Plans :
● Bg5 — Clouer Nf6

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : arriéré f2, Bc1 enfermé, Bg2 enfermé.
Problèmes : Bg7 enfermé, Bc8 enfermé, arriéré f7.
Plans :
● ...Bg4 — Développer Bc8, clouer Nf3
● ...c5 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E69i — Fianchetto Classical

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

Eval: [+1.17]

Les coups candidats

10.Re1 — 42.7% (1739 parties) →

Ambassadeurs : Marovic, Drazen (13x), Bukal, Vladimir Jr. (11x), Kotronias, Vasilios (10x), Mason, Ian J (10x), Fridman, Daniel (10x), Najdorf, Miguel (9x), Portisch, Lajos (9x), Conterno, Dominique (9x)

10.c5 — 27.0% (1102 parties) →

Ambassadeurs : Kotronias, Vasilios (15x), Senzacqua, Fabrizio (10x), Mozny, Milos (9x), Jussupow, Artur (7x), Timar, Zsolt (6x), Kirov, Nino (5x), Wahjuwidajat, Utut Adianto (5x), Fancsy, Imre (5x)

10.d5 — 15.8% (643 parties) →

Ambassadeurs : Vaulin, Alexander P. (7x), Lempert, Igor (6x), Stangl, Markus (5x), Wexler, Bernardo (4x), Poldauf, Dirk (4x), Uhlmann, Wolfgang (4x), Weindl, Alfred (4x), Krogius, Nikolai V (3x)

10.dxe5 — 8.5% (346 parties)

Ambassadeurs : Csom, Istvan (6x), Radulov, Ivan (4x), Panno, Oscar (3x), Hernandez Guerrero, Gilberto (3x), Kasparov, Garry (2x), Notaros, Krasoje (2x), Nikolaidis, Konstantinos NA (2x), Post, Hendrik (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.Re1	10.c5	10.d5	10.dxe5
<1800	50	50%	26%	18%	2%
1800-2200	1113	40%	30%	13%	12%
2200-2600	2133	42%	28%	17%	7%
2600+	43	42%	42%	12%	5%

Évolution par décennie (% des parties)

Décennie	N parties	10.Re1	10.c5	10.d5	10.dxe5
1950s	32	31%	6%	38%	16%
1960s	117	55%	1%	25%	8%
1970s	180	54%	9%	24%	5%
1980s	353	56%	5%	18%	10%
1990s	1133	37%	26%	20%	10%
2000s	864	32%	38%	15%	9%
2010s	1194	49%	30%	11%	7%
2020s	203	38%	43%	8%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.Re1	49%	38%	▼ -11.5%
10.c5	30%	43%	▲ +13.5%
10.d5	11%	8%	▼ -2.3%
10.dxe5	7%	7%	▲ +0.9%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 6 parties
Tal, Mikhail — 5 parties
Kasparov, Garry — 5 parties
Karpov, Aleksandr — 4 parties
Smyslov, Vladimir — 2 parties
Karpov, Anatoly — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

10.Re1 — 42.7% (1739 parties)

1957 — Wexler, Bernardo vs Najdorf, Miguel — 0-1 — Mar del Plata ARG
1957 — Borisenko, Georgy K vs Korchnoi, Viktor — 1/2-1/2 — Sverdlovsk
1957 — Borisenko, Georgy K vs Kortchnoi — 1/2-1/2 — Sverdlovsk
1957 — Szabo, Ladislav vs Najdorf, Miguel — 1/2-1/2 — Dallas, TX USA
1957 — Furman, Slavomir vs Korchnoi, Viktor — 1/2-1/2 — Moskou ch-URS

10.c5 — 27.0% (1102 parties)

1951 — Enevoldsen, Jens vs Ravn, Palle — 1-0 — Copenhagen DEN
1958 — Davila, Edmundo vs Najdorf, Miguel — 0-1 — Bogota COL
1967 — Mazzoni, Guido vs Lombardy, William J — 0-1 — Monte Carlo MNC
1970 — Barczay, Sandor vs Tuk, I. — 1/2-1/2 — Majdanpek
1971 — Krogius, Nikolai V vs Lutikov, Anatoly S — 1/2-1/2 — Perm RUS

10.d5 — 15.8% (643 parties)

1952 — Geller, Efim P. vs Wade, Robert G — 1-0 — Saltsjobaden SWE
1954 — Toran Albero, Roman vs Wade, Robert G — 1-0 — Munich GER
1957 — Petrosian, Tigran V. vs Shiyanovsky, Vladislav Ivanovich — 1-0 — Kiev UKR
1957 — Korchnoi, Viktor vs Nezhmetdinov, Rashid — 1-0 — Moskou ch-URS
1958 — Korchnoi, Viktor vs Nezhmetdinov, Rashid — 1/2-1/2 — Vilnius LTU

10.dxe5 — 8.5% (346 parties)

1951 — Decreton Keller, Henrique vs Wade, Robert G — 1/2-1/2 — Reggio Emilia ITA
1953 — Bulat, Ante vs Bogdanovic, Rajko — 0-1 — Zagreb CRO
1956 — Najdorf, Miguel vs Bronstein, David I — 1/2-1/2 — Moscow RUS
1959 — Geller, Efim P. vs Nezhmetdinov, Rashid — 1-0 — Tbilisi ch-URS
1959 — Espinosa Flores, Rafael Emilio vs Wexler, Bernardo — 1/2-1/2 — Buenos Aires ARG

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

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 1)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
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, ● d4-d5	● …c6-c5, ● …d6-d5

Partie
1951 Reggio Emilia – Round 1 – Decreton Keller, Henrique – 1/2-1/2 – Wade, Robert G – G11 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. dxe5 dxe5
1953 Zagreb – Round 1 – Bulat, Ante – 0-1 – Bogdanovic, Rajko – G31 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. dxe5 Nxe5
1956 Alekhine Memorial – Round 1 – Najdorf, Miguel – 1/2-1/2 – Bronstein, David I – G84 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 e5 7. d4 Nbd7 8. e4 c6 9. h3 Qb6 10. dxe5 dxe5
1958 Kiev Ch – Round 4 – Platonov, Igor V – 1/2-1/2 – Shianovsky, Vladislav I – G17 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. b3 exd4
1958 New York ch-USA – Round 9 – Reshevsky, Samuel – 1-0 – Lombardy, William J – G42 1. c4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 8. e4 c6 9. h3 Qb6 10. Rb1 exd4
1959 Buenos Aires – Round 1 – Espinosa Flores, Rafael Emilio – 1/2-1/2 – Wexler, Bernardo – G8 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. g3 d6 6. Bg2 Nbd7 7. O-O e5 8. e4 c6 9. h3 Qb6 10. dxe5 Nxe5
1959 Tbilisi ch-URS – Round 6 – Geller, Efim P – 1-0 – Nezhmetdinov, Rashid – G43 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. dxe5 dxe5
1961 Bled Bled SLO – Round 12 – Donner, Jan-Hein – 0-1 – Hein-Tal, Mikhail – G7 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. dxe5 dxe5
1962 Varna olm – Round 11 – Langeweg, Kick – 0-1 – Panno, Oscar – G231 1. Nf3 Nf6 2. c4 d6 3. g3 g6 4. Bg2 Bg7 5. d4 O-O 6. Nc3 Nbd7 7. O-O e5 8. e4 c6 9. h3 Qb6 10. dxe5 dxe5
1963 Buenos Aires ch-ARG – Round 15 – Acosta Garcia, Rafael Isaac – 1/2-1/2 – Alonso-Lej De Las Casas, Fernando – G76 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. Rb1 exd4
1963 Fortaleza zt – Round 14 – Garcia Rodriguez, Raimundo – 0-1 – Athayde, Mauro de – G73 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. Rb1 exd4
1964 Amsterdam Interzonal – Round 18 – Berger, Benedikt – 0-1 – Gligoric, Sofija – G179 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. Rb1 Qb4
1964 Buenos Aires – Round 12 – Bolbochan, Julio – 1-0 – Garcia Rodriguez, Raimundo – G111 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. dxe5 dxe5
1964 Interzonal – Round 18 – Berger, Bela – 0-1 – Gligoric, Svetozar – G13 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. Rb1 Qb4
1965 Corr SSV-75 – Round ? – Napolitano, Mario – 1-0 – Duenhaupt, Heinz-Wilhelm Dr – G18 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. b3 exd4
1965 Hungary – Round 1 – Dely, Peter – 0-1 – Barczay, Laszlo – G69 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. Rb1 exd4
1965 Tbilisi Tbilisi GEO – Round 1 – Damjanovic, Mato – 0-1 – Jansa, Vlastimil – G19 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. dxe5 dxe5
1967 FRA Ch Dieppe FRA – Round 10 – Huguet, Bernard – 1-0 – Benoit, Michel – G36 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nbd7 7. O-O c6 8. e4 e5 9. h3 Qb6 10. Rb1 exd4
1967 Sousse Interzonal – Round 9 – Mecking, Henrique – 1-0 – Kavalek, Lubomir – G80 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. Rb1 Qb4
1968 Alma Ata ch-URS – Round 16 – Lein, Anatoly – 0-1 – Liberzon, Vladimir M – G137 1. d4 g6 2. c4 Bg7 3. g3 Nf6 4. Bg2 O-O 5. Nf3 d6 6. Nc3 Nbd7 7. O-O e5 8. h3 c6 9. e4 Qb6 10. dxe5 dxe5

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