E69u — King’s Indian: Fianchetto, Classical, 9.h3 Re8 10.Re1 a5 11.Be3

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 Re8 10.Re1 a5 11.Be3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte g5, Be3 actif, paire de fous.
Faiblesses adverses : arriérés b7, f7, Bc8 enfermé.
Problèmes : Bg2 enfermé, arriéré f2.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : arriéré f2, Bg2 enfermé.
Problèmes : Bc8 enfermé, arriérés b7, f7.
Plans :
● ...Bg4 — Développer Bc8, clouer Nf3
● ...c5 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E69u — 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 Re8 10.Re1 a5 11.Be3

Eval: [+0.72]

Les coups candidats

11…exd4 — 56.2% (118 parties)

Ambassadeurs : Guindy, Esmat Susanne (3x), Byrne, Robert E (2x), Kotov, Alexander (2x), Tatai, Stefano (2x), Ribli, Zoltan (2x), Kraschl, Joerg (2x), Dworzynski, Roman (1x), Doda, Zbigniew (1x)

11…a4 — 21.9% (46 parties)

Ambassadeurs : Portisch, Ferenc (3x), Incutto, Carlos (2x), Karlik, Vladimir (2x), Blees, Albert (2x), Van der Weide, Karel (2x), Lipnitsky, Isaac (1x), Gusjkov, Yuri P. (1x), Fridstein, German (1x)

11…Qc7 — 10.5% (22 parties)

Ambassadeurs : Stangl, Markus (1x), Sonntag, Hans-Hubert (1x), Cabarkapa, Milenko (1x), Kuvsinov, Anatolij (1x), Aldobasic Emir (1x), Olsen, Goeran (1x), Mueske, Matthias (1x), Goeldi, Hans (1x)

11…Qe7 — 4.8% (10 parties)

Ambassadeurs : Thiel, Alvin (1x), Forgacs, Attila (1x), Schmid, Stefan (1x), Tobisch, Manfred, Dr. (1x), Segovia Sole, J. (1x), Revuelta Rodriguez, Francesco J (1x), Milosavljevic, Milisav (1x), Biljanic, Ljubomir (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	11…exd4	11…a4	11…Qc7	11…Qe7
<1800	1	100%	—	—	—
1800-2200	51	57%	4%	24%	10%
2200-2600	122	56%	30%	4%	3%
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	11…exd4	11…a4	11…Qc7	11…Qe7
1950s	12	58%	33%	—	—
1960s	3	67%	—	—	—
1970s	11	55%	36%	—	—
1980s	18	61%	33%	—	6%
1990s	55	45%	29%	11%	4%
2000s	57	70%	16%	5%	5%
2010s	41	49%	17%	22%	7%
2020s	13	54%	—	31%	8%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
11…exd4	49%	54%	▲ +5.1%
11…a4	17%	0%	▼ -17.1%
11…Qc7	22%	31%	▲ +8.8%
11…Qe7	7%	8%	+0.4%

Parties historiques

11…exd4 — 56.2% (118 parties)

1953 — Dworzynski, Roman vs Doda, Zbigniew — 1/2-1/2 — Krakow POL
1954 — Furman, Semyon vs Lutikov, Anatoly S — 0-1 — Riga LAT
1954 — Johannsson, Ingi R vs Kovacs, Laszlo M — 1-0 — Amsterdam olm
1954 — Byrne, Robert E vs Kotov, Alexander — 0-1 — New York, NY USA
1954 — Byrne, Robert E vs Kotov, Alexander — 0-1 — Amsterdam NED

11…a4 — 21.9% (46 parties)

1950 — Fridstein, German vs Petrosian, Tigran A. — 1/2-1/2 — Moscow RUS
1954 — Lipnitsky, Isaac vs Gusjkov, Yuri P. — 1-0 — Riga LAT
1957 — Incutto, Carlos vs Albert Seguer, Eladio — 1-0 — Mar del Plata ARG
1957 — Incutto, Carlos vs Albert, Horacio — 1-0 — Mar del Plata ARG
1973 — Huebner, Robert vs Honfi, Gyorgy — 0-1 — Budapest HUN

11…Qc7 — 10.5% (22 parties)

1992 — Stangl, Markus vs Sonntag, Hans-Hubert — 1/2-1/2 — GER
1994 — Ivanisevic, Dusica vs Radicevic, Aleksandra — 1-0 — Smederevo
1995 — Cabarkapa, Milenko vs Kuvsinov, Anatolij — 1-0 — Torrevieja ESP
1996 — Schmidt, Jan-Peter, Dr. vs Hammer, Arnold — 1-0 — Wuerzburg
1997 — Mueske, Matthias vs Goeldi, Hans — 1-0 — Pizol

11…Qe7 — 4.8% (10 parties)

1989 — Thiel, Alvin vs Forgacs, Attila — 1-0 — Hessen
1993 — Segovia Sole, J. vs Revuelta Rodriguez, Francesco J — 1/2-1/2 — ESP
1999 — Schmid, Stefan vs Tobisch, Manfred, Dr. — 1/2-1/2 — Bayern
2003 — Milosavljevic, Milisav vs Biljanic, Ljubomir — 0-1 — Golubac
2009 — Lee, Cecil vs Suez-Panama, Gilles — 0-1 — Port of Spain

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

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bg2	● Bg2 Enfermé (mob. 2)
Be3	● Be3 Actif (mob. 5)
Bg7		● Bg7 Ok (mob. 3)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	1 (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
1950 Moscow RUS – Round 1 – Fridstein, German – 1/2-1/2 – Petrosian, Tigran A. – G9 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 Re8 10. Re1 a5
1953 POL-ch11 – Round 5 – Dworzynski, Roman – 1/2-1/2 – Doda, Zbigniew – G30 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 Nbd7 5. g3 g6 6. Bg2 Bg7 7. O-O O-O 8. e4 c6 9. Re1 a5 10. h3 Re8
1954 URS Team Ch – Round 6 – Furman, Semyon – 0-1 – Lutikov, Anatoly S – G96 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 a5 10. Re1 Re8
1954 URS Team Ch – Round 7 – Lipnitsky, Isaac – 1-0 – Gusjkov, Yuri P. – G114 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 Re8 9. h3 a5 10. Re1 c6
1954 USA-URS – Round 1 – Byrne, Robert E – 0-1 – Kotov, Alexander. – G3 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 Re8 10. Re1 a5
1957 Mar del Plata – Round 1 – Incutto, Carlos – 1-0 – Albert Seguer, Eladio – G14 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 Re8 9. Re1 c6 10. h3 a5
1964 Reykjavik – Round 13 – Palmason, Gudmundur – 1/2-1/2 – Johannessen, Simon T – G72 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 Re8 10. Re1 a5
1966 WchTJ U26 prel – Round 3 – Whiteley, Andrew Jonathan – 1-0 – Kerins, Nick – G16 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 c6 8. e4 e5 9. h3 Re8 10. Re1 a5