E86g — King’s Indian: Saemisch, Orthodox, 7.Nge2 c6 8.Qd2 Nbd7 9.O-O-O

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.Nge2 c6 8.Qd2 Nbd7 9.O-O-O * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte e4, Be3 actif, paire de fous.
Faiblesses adverses : arriéré f7, Bg7 enfermé, Bc8 enfermé.
Problèmes : Bf1 enfermé.
Plans :
● Bd3 — Développer Bf1

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : Bf1 enfermé.
Problèmes : Bg7 enfermé, Bc8 enfermé, arriéré f7.
Plans :
● ...Bf5 — Développer Bc8
● ...c5 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E86g — Saemisch Orthodox

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.Nge2 c6 8.Qd2 Nbd7 9.O-O-O

Eval: [+0.36]

Les coups candidats

9…a6 — 74.6% (688 parties) →

Ambassadeurs : Graf, Alexander (7x), Dyachkov, Sergej (6x), Pott, Brian (6x), Kramnik, Vladimir (5x), von Wersch, Oliver (5x), Perdomo, Leandro Daniel (5x), Uhlmann, Wolfgang (5x), Istratescu, Andrei (5x)

9…Qa5 — 12.4% (114 parties)

Ambassadeurs : Sliwa, Bogdan (2x), Wheeler, John F (2x), Geller, Efim P. (1x), Boleslavsky, Isaac (1x), Kirby, Robion (1x), Cross, Robert Gary (1x), Milev, Zdravko (1x), Kadrev, Zdravko Minchev (1x)

9…Qc7 — 4.1% (38 parties)

Ambassadeurs : Eslon, Jaan (2x), Alatortsev, Vladimir N. (1x), Kajev (1x), Kieninger, Georg (1x), Wood, Beau (1x), Palme, Rudolf (1x), Christensen, Alfred (1x), Gobert, Jozef (1x)

9…Re8 — 2.1% (19 parties)

Ambassadeurs : Aloni, Itzchak (1x), Damjanovic, Mato (1x), Behle, Karl-Willi (1x), Hodakowsky, Georg (1x), Kunz, Horst (1x), Pietzsch, Wolfgang (1x), Hracek, Zbynek (1x), Tatarko, Jan (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…a6	9…Qa5	9…Qc7	9…Re8
<1800	12	42%	33%	17%	8%
1800-2200	251	69%	15%	6%	3%
2200-2600	400	84%	9%	2%	1%
2600+	20	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…a6	9…Qa5	9…Qc7	9…Re8
1930s	2	—	—	50%	—
1940s	3	—	—	67%	—
1950s	32	50%	25%	3%	6%
1960s	31	65%	19%	—	3%
1970s	7	43%	29%	14%	—
1980s	32	75%	19%	3%	—
1990s	340	82%	8%	3%	2%
2000s	281	70%	14%	4%	3%
2010s	186	76%	12%	5%	1%
2020s	8	88%	12%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…a6	76%	88%	▲ +11.2%
9…Qa5	12%	12%	+0.1%
9…Qc7	5%	0%	▼ -4.8%
9…Re8	1%	0%	▼ -1.1%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 6 parties
Ju, Wenjun — 5 parties
Kasparov, Garry — 3 parties
Tal, Mikhail — 2 parties
Ding, Liren — 2 parties

Parties historiques

9…a6 — 74.6% (688 parties)

1953 — Stoltz, Gösta vs Petrosian, Tigran V. — 0-1 — Bucharest ROU
1954 — Hasin Raihan, Abir vs Boleslavsky, Isaac — 1/2-1/2 — Gorki ch22-SU sf
1954 — Borisenko, Georgy K vs Geller, Efim P. — 1-0 — Kiev ch-URS
1955 — Golombek, Harry vs Darga, Klaus — 0-1 — Hastings ENG
1956 — Gromek, E. vs Lindblom, Peter — 1-0 — Moscow RUS

9…Qa5 — 12.4% (114 parties)

1952 — Geller, Efim P. vs Boleslavsky, Isaac — 1-0 — Moskou ch-URS
1952 — Prosdocimi, Arrigo vs German, Eugenio — 0-1 — Sao Paulo ch BRA
1953 — Rabar, Braslav vs Wade, Robert G — 1/2-1/2 — Opatija
1955 — Sliwa, Bogdan vs Najdorf, Miguel — 1-0 — Goteborg SWE
1956 — Sliwa, Bogdan vs Padevsky, Nikola — 1-0 — Dresden GER

9…Qc7 — 4.1% (38 parties)

1936 — Palme, Rudolf vs Christensen, Alfred — 1-0 — Munich GER
1940 — Alatortsev, Vladimir N. vs Kajev — 1-0 — Kiev UKR
1949 — Kieninger, Georg vs Wood, Beau — 1-0 — Heidelberg
1954 — Gobert, Jozef vs Sandor, Bela — 1/2-1/2 — Amsterdam ol prel
1974 — Tokaji-Nagy, Gyorgy vs Konarkowska-Sokolov, Henrijeta — 1/2-1/2 — Lublin POL

9…Re8 — 2.1% (19 parties)

1957 — Behle, Karl-Willi vs Hodakowsky, Georg — 1-0 — FRG-ch Bad Neuenahr
1958 — Kunz, Horst vs Pietzsch, Wolfgang — 0-1 — GDR-ch Schkopau GER
1960 — Aloni, Itzchak vs Damjanovic, Mato — 1-0 — Leipzig GER
1991 — Hracek, Zbynek vs Tatarko, Jan — 1-0 — MSL
1994 — Debnar, Lubos vs Zahorsky, Dusan — 1-0 — Topolcianky

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● f7
Chaînes	● g2→f3, f3→e4	● d6→e5, b7→c6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v1)	—
Cases faibles	—	—
Centre	● d4 (3v1), ● d5 (3v2), ● e4 (2v1)	● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 0)
Be3	● Be3 Actif (mob. 5)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	2 (f1, h1)	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, ● f3-f4	● …c6-c5, ● …d6-d5

Partie
1938 Trade Unions – Round 1 – Sokolsky, Alexey – 1-0 – Kopaev, Nikolay A – G3 1. c4 Nf6 2. Nc3 g6 3. e4 Bg7 4. d4 d6 5. f3 Nbd7 6. Be3 e5 7. Nge2 c6 8. Qd2 O-O 9. O-O-O d5 10. cxd5 cxd5
1940 URS-sf – Round 1 – Alatortsev, Vladimir N. – 1-0 – Kajev – G30 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. f3 e5 7. Be3 Nbd7 8. Qd2 c6 9. O-O-O Qc7 10. Kb1 a6
1947 Schlechter Memorial – Round 13 – Cs. Kovacs, Laszlo – 0-1 – Szabo, Laszlo – G42 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Be3 e5 7. Nge2 O-O 8. Qd2 c6 9. O-O-O exd4 10. Nxd4 Re8
1949 Heidelberg – Round 4 – Kieninger, Georg – 1-0 – Wood, Beau – G13 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 O-O 6. f3 Nbd7 7. Be3 e5 8. Qd2 c6 9. O-O-O Qc7 10. Kb1 Nb6
1952 Moskou ch-URS – Round 1 – Geller, Efim P – 1-0 – Boleslavsky, Isaac – G9 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 e5 7. Nge2 Nbd7 8. Qd2 c6 9. O-O-O Qa5 10. Kb1 a6
1953 Opatija – Round 9 – Rabar, Braslav – 1/2-1/2 – Wade, Robert G – G61 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 e5 8. Nge2 c6 9. O-O-O Qa5 10. Kb1 b5
1955 Gothenburg Interzonal – Round 10 – Sliwa, Bogdan – 1-0 – Najdorf, Miguel – G90 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6 8. Qd2 Nbd7 9. O-O-O Qa5 10. Kb1 Nb6
1956 Dresden – Round 6 – Sliwa, Bogdan – 1-0 – Padevsky, Nikola – G40 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 e5 6. Nge2 O-O 7. Be3 c6 8. Qd2 Nbd7 9. O-O-O Qa5 10. Kb1 b5
1957 POL Ch 15th – Round 12 – Szukszta, Janus – 1/2-1/2 – Galewicz, Marek – G17 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 e5 6. Nge2 O-O 7. Be3 c6 8. Qd2 Nbd7 9. O-O-O Nb6 10. Ng3 exd4
1958 GDR Ch Schkopau GER – Round 7 – Kunz, Horst – 0-1 – Pietzsch, Wolfgang – G42 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Qd2 e5 8. Nge2 c6 9. O-O-O Re8 10. g4 a6
1958 Munich olm fin-B – Round 11 – Ojanen, Kaarle S – 1-0 – Thorbergsson, Freysteinn – G107 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 e5 6. Nge2 c6 7. Be3 O-O 8. Qd2 Nbd7 9. O-O-O Qe7 10. Kb1 a6
1958 Sofia – Round 6 – Minev, Nikolay N – 1/2-1/2 – Vukcevich, Milan – G35 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6 8. Qd2 Nbd7 9. O-O-O Qe7 10. g4 Nb6
1959 Lodz ch POL – Round 5 – Szukszta, Janus – 1-0 – Doda, Zbigniew – G22 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6 8. Qd2 Nbd7 9. O-O-O Nb6 10. dxe5 Nfd7
1960 Leipzig olm prel – Round 9 – Aloni, Itzchak – 1-0 – Damjanovic, Mato – G302 1. d4 g6 2. c4 Nf6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6 8. Qd2 Nbd7 9. O-O-O Re8 10. Kb1 a6
1961 ROM Ch – Round 10 – Soos, Bela – 1-0 – Partos, Charles – G62 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6 8. Qd2 Nbd7 9. O-O-O Nb6 10. dxe5 Nfd7
1964 Reykjavik – Round 4 – Palmason, Gudmundur – 0-1 – Kristinsson, Jon – G24 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 e5 6. Nge2 Nbd7 7. Be3 c6 8. Qd2 O-O 9. O-O-O Qa5 10. Kb1 Re8

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