Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3	● b7→c6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● g5 (2v1)	● f5 (3v0)
Cases faibles	—	—
Centre	● d4 (2v0)	● d5 (3v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Ok (mob. 1)
Bg7		● Bg7 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	3 (● b8, ● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● c4-c5, ● d4-d5	● …c6-c5, ● …d6-d5, ● …e7-e5

E62i — King’s Indian: Fianchetto, Kavalek/Bronstein, 8.h3

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c6 7.O-O Qa5 8.h3 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. d5 (Occuper le centre — 36 % des parties) ; e4 (Occuper le centre — 32 % des parties) ; Nd2 (13 % des parties) ; Qd3 (Centraliser la dame — 9 % des parties) ; b3 (Préparer le fianchetto — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Be6 (Fou actif (mobilité 7), Développer c8 — 46 % des parties) ; ...e5 (Occuper le centre — 38 % des parties) ; ...Qa6 (7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1962 Kislovodsk – Round ? – Osnos, Viatcheslav – 1-0 – Krogius, Nikolai V – G11 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d6 7. Nc3 Qa5 8. h3 e5 9. e4 exd4 10. Nxd4 Qc5
1962 Stockholm Interzonal – Round 10 – Cuellar Alpire, Mariana – 0-1 – Portisch, Lajos – G90 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c6 7. Nc3 Qa5 8. h3 e5 9. e4 exd4 10. Nxd4 Qc5
1965 Asztalos Memorial 8th – Round 12 – Gasztonyi, Endre – 1-0 – Haag, Ervin – G77 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 c6 7. O-O Qa5 8. h3 Be6 9. Qd3 Qa6 10. b3 d5
1965 Zagreb – Round 16 – Marovic, Drazen – 1-0 – Bertok, Mario Jr. – G162 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. O-O Qa5 8. h3 Be6 9. Nd2 Na6 10. a3 Qb6
1968 Buenos Aires – Round 1 – Eliskases, Erich – 1/2-1/2 – Sanguinetti, Raul – G11 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. O-O Qa5 8. h3 Qb4 9. Qd3 a5 10. e4 Na6
1968 IBM – Round 12 – Langeweg, Kick – 1/2-1/2 – Bronstein, David I – G42 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 c6 7. Nc3 Qa5 8. h3 e5 9. d5 cxd5 10. cxd5 Bd7
1968 IBM – Round 2 – Ivkov, Borislav – 1-0 – Kavalek, Lubomir – G13 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O c6 7. Nc3 Qa5 8. h3 e5 9. d5 cxd5 10. cxd5 b5
1968 IBM – Round 4 – Donner, Jan-Hein – 0-1 – Kavalek, Lubomir – G19 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. O-O Qa5 8. h3 e5 9. d5 cxd5 10. cxd5 b5
1968 Sarajevo – Round 4 – Lein, Anatoly – 1/2-1/2 – Kavalek, Lubomir – G31 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. d4 c6 7. O-O Qa5 8. h3 e5 9. Be3 Nbd7 10. Rc1 Re8
1969 Buesum – Round 10 – Mohrlok, Dieter – 1/2-1/2 – Polugaevsky, Lev – G46 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. c4 d6 7. Nc3 Qa5 8. h3 e5 9. Be3 Be6 10. Nd2 Na6
1969 POL Ch 26th – Round 15 – Adamski, Jan – 1-0 – Dobrzynski, Wojciech – G73 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 c6 7. O-O Qa5 8. h3 e5 9. d5 cxd5 10. cxd5 Bd7
1973 Leningrad Interzonal – Round 1 – Smejkal, Jan – 1/2-1/2 – Tal, Mihail – G23 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. d4 d6 7. Nc3 Qa5 8. h3 e5 9. e4 exd4 10. Nxd4 Qc5
1973 Leningrad Interzonal – Round 10 – Smejkal, Jan – 1-0 – Torre, Eugenio – G55 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d6 5. Nc3 O-O 6. Bg2 c6 7. O-O Qa5 8. h3 e5 9. d5 cxd5 10. cxd5 Na6
1974 Manila – Round 5 – Portisch, Lajos – 1-0 – Torre, Eugenio – G35 1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. g3 O-O 6. Bg2 c6 7. O-O Qa5 8. h3 e5 9. e4 exd4 10. Nxd4 Qc5
1975 Portoroz/Ljubljana – Round 2 – Portisch, Lajos – 1/2-1/2 – Hort, Vlastimil – G34 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d6 7. Nc3 Qa5 8. h3 Be6 9. d5 cxd5 10. Nd4 Bd7
Optiebeurs 1988 – Round 4 – Karpov, Anatoly – 1-0 – Van der Wiel, John T.H. – G17 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. Nc3 d6 7. O-O Qa5 8. h3 Be6 9. Qd3 Qa6 10. b3 d5
Petropolis Interzonal 1973 – Round 13 – Smyslov, Vassily – 1-0 – Kagan, Shimon – G55 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 O-O 6. O-O c6 7. Nc3 Qa5 8. h3 e5 9. d5 c5 10. e4 a6
Roquebrune rapid 1992 – Round 11 – Larsen, Bent – 0-1 – Anand, Viswanathan – G36 1. Nf3 d6 2. g3 g6 3. Bg2 Bg7 4. O-O Nf6 5. c4 O-O 6. Nc3 c6 7. d4 Qa5 8. h3 Be6 9. Nd2 Qa6 10. b3 d5

E62i — Fianchetto, Kavalek/Bronstein (1962)

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 c6 7.O-O Qa5 8.h3

Les coups candidats

8…Be6 — 48.4% (961 parties)

Ambassadeurs : Vukic, Milan (23x), Jansa, Vlastimil (20x), Csom, Istvan (13x), Lechtynsky, Jiri (12x), Barlov, Dragan (12x), Damljanovic, Branko (9x), Ostojic, Predrag (6x), Neckar, Lubomir (6x)

8…e5 — 29.0% (576 parties)

Ambassadeurs : Mortensen, Erling (8x), Portisch, Lajos (6x), Vaganian, Rafael A (6x), Quinteros, Miguel A. (6x), Kavalek, Lubomir (5x), Soltis, Andrew (5x), Csom, Istvan (5x), Schweber, Samuel (4x)

8…Qa6 — 13.1% (260 parties)

Ambassadeurs : Karatorossian, David (7x), Khamatgaleev, Alexej (6x), Titov, German (4x), Damaso, Rui (4x), Romero Holmes, Alfonso (3x), Szmetan, Jorge (3x), Pavlov, Sergey (3x), Bischoff, Klaus (2x)

8…Nbd7 — 6.0% (120 parties)

Ambassadeurs : Soltis, Andrew (5x), Neckar, Lubomir (3x), Cuellar Gacharna, Miguel (2x), Rodriguez, Jose (2x), Macek, Vlasta (2x), Skalkotas, Nikolaos (2x), Schoebel, Wolfgang (1x), Kettler, Bernhard (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…Be6	8…e5	8…Qa6	8…Nbd7
<1800	21	71%	10%	10%	5%
1800-2200	477	48%	26%	12%	7%
2200-2600	1329	49%	29%	14%	5%
2600+	11	55%	27%	18%	—

Évolution par décennie (% des parties)

Décennie	N parties	8…Be6	8…e5	8…Qa6	8…Nbd7
1960s	20	25%	65%	—	—
1970s	160	25%	61%	—	7%
1980s	226	61%	23%	12%	2%
1990s	568	59%	22%	13%	4%
2000s	493	51%	23%	18%	5%
2010s	465	38%	32%	14%	11%
2020s	53	30%	49%	11%	8%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…Be6	38%	30%	▼ -8.3%
8…e5	32%	49%	▲ +16.6%
8…Qa6	14%	11%	▼ -2.9%
8…Nbd7	11%	8%	▼ -3.9%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 4 parties
Tal, Mikhail — 2 parties
Kasparov, Garry — 2 parties
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

8…Be6 — 48.4% (961 parties)

1965 — Gasztonyi, Endre vs Haag, Ervin — 1-0 — Gyula HUN
1965 — Marovic, Drazen vs Bertok, Mario Jr. — 1-0 — Zagreb CRO
1968 — Smejkal, Jan vs Wright, Daniel — 1-0 — Hastings ENG
1968 — Messing, Hrvoje vs Ostojic, Predrag — 1/2-1/2 — ?
1969 — Smejkal, Jakub vs Jacobsen, Bo — 1-0 — Raach

8…e5 — 29.0% (576 parties)

1962 — Cuellar, Mario Exequiel vs Portisch, Lajos — 0-1 — Stockholm izt
1962 — Cuellar, Jorge vs Portisch, Lajos — 0-1 — Stockholm SWE
1962 — Osnos, Viatcheslav vs Krogius, Nikolai V — 1-0 — Kislovodsk
1965 — Faleg, Alberto vs Garcia, Eder Raimundo — 0-1 — Buenos Aires ch-ARG
1968 — Lein, Anatoly vs Kavalek, Lubomir — 1/2-1/2 — Sarajevo BIH

8…Qa6 — 13.1% (260 parties)

1980 — Negulescu, Adrian vs Santo-Roman, Marc — 1-0 — Groningen NED
1985 — Debarnot, Roberto vs Mahia, Gustavo — 1-0 — Buenos Aires ARG
1985 — Kochyev, Alexander vs Itkis, Boris — 1-0 — Volgograd RUS
1985 — Pigusov, Evgeny vs Titov, German — 1-0 — Kemerovo
1985 — Smejkal, Jan vs Ermenkov, Evgenij — 1-0 — Baden-Baden GER

8…Nbd7 — 6.0% (120 parties)

1970 — Cuellar Gacharna, Miguel vs Rodriguez, Jose — 1-0 — Bogota COL
1970 — Cuellar Gacharna, Miguel vs Rodriguez, Jose — 1-0 — Bogota COL
1971 — Doda, Zbigniew vs Doroshkievich, Vladimir K — 1-0 — Polanica Zdroj POL
1971 — Neckar, Lubomir vs Herink, Miroslav — 1/2-1/2 — Havirov CZE
1972 — Whiteley, Andrew Jonathan vs Skalkotas, Nikolaos — 1-0 — Skopje olm

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