Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● g2→f3, d4→e5	● b6→c5, d6→c5, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (3v1), ● f4 (2v0), ● d5 (2v1)	● f5 (2v1)
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (2v1), ● e4 (3v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bd3	● Bd3 Actif (mob. 5)
Be3	● Be3 Actif (mob. 7)
Bg7		● Bg7 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 6)
Paire de fous	● Oui	● Oui
Non développées	2 (● a1, ● h1)	3 (● b8, ● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre	● Roqué
Droits de roque	O-O / O-O-O	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	tension
Ruptures	● e5-e6	● …d6-d5

E82k — King’s Indian: Saemisch, Fianchetto, 7.Bd3 a6 8.Nge2 c5 9.e5

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 b6 7.Bd3 a6 8.Nge2 c5 9.e5 * ● Trait aux Noirs

Ouverture — Tension centrale

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. exd6 (Capture en d6 — 67 % des parties) ; Be4 (Fou actif (mobilité 9) — 22 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nfd7 (50 % des parties) ; ...Ne8 (43 % des parties) ; ...dxe5 (Capture en e5, Occuper le centre — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1961 Debrecen – Round 2 – Padevsky, Nikola – 1/2-1/2 – Filep, Tibor – G11 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 a6 8. Nge2 c5 9. e5 Nfd7 10. exd6 exd6
1961 Moskou – Round 1 – Polugaevsky, Lev – 1-0 – Stein, Leon Rico – G50 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 a6 8. Nge2 c5 9. e5 Nfd7 10. exd6 exd6
1962 Olympiad – Round ? – O'Kelly de Galway, Alberic – 1/2-1/2 – Juhansson – G7 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 a6 8. Nge2 c5 9. e5 Nfd7 10. exd6 exd6
1962 Varna olm – Round 3 – O'Kelly, Albéric de Galway – 1/2-1/2 – Johansson, Martin 1979 – G125 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 a6 8. Nge2 c5 9. e5 Nfd7 10. exd6 exd6
1963 Alekhine Memorial – Round 8 – Pietzsch, Wolfgang – 0-1 – Szabo, Ladislav – G52 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 a6 8. Nge2 c5 9. e5 Nfd7 10. exd6 exd6
1964 Magdeburg – Round 2 – Bruemmer, Ullrich – 1-0 – Moehring, Guenther – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be3 d6 6. f3 b6 7. Bd3 a6 8. Nge2 c5 9. e5 Ne8 10. exd6 exd6
1967 Szczecin ch POL – Round 15 – Adamski, Jan – 1-0 – Pietrusiak, Bogdan – G70 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 a6 8. Nge2 c5 9. e5 Nfd7 10. exd6 exd6
1968 Lublin PKWN 4th – Round 1 – Filep, Tibor – 0-1 – Pietrusiak, Bogdan – G2 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 a6 8. Nge2 c5 9. e5 Nfd7 10. exd6 exd6
1969 Rubinstein Memorial – Round 9 – Saidy, Anthony – 1/2-1/2 – Popov, Luben – G45 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 a6 8. Nge2 c5 9. e5 Nfd7 10. exd6 exd6
1970 IBM – Round 5 – Hort, Vlastimil – 0-1 – Gligoric, Svetozar – G74 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 7. Bd3 a6 8. Nge2 c5 9. e5 Nfd7 10. exd6 exd6
1972 Skopje ol (Men) fin-A – Round 10 – Holm, Sejer – 0-1 – Tal, Mihail – G119 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nf6 5. f3 b6 6. Be3 O-O 7. Bd3 a6 8. Nge2 c5 9. e5 Ne8 10. exd6 Nxd6
URS Team Ch Moscow 1972 – Round ? – Polugaevsky, Lev – 0-1 – Gufeld, Eduard – G21 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 b6 7. Bd3 a6 8. Nge2 c5 9. e5 Ne8 10. exd6 Nxd6

E82k — Saemisch, Fianchetto (1961)

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 b6 7.Bd3 a6 8.Nge2 c5 9.e5

Les coups candidats

9…Nfd7 — 58.4% (149 parties)

Ambassadeurs : Bohak, Janko (5x), Rashkovsky, Nukhim N (4x), Kabisch, Thilo (4x), Timman, Jan H (3x), Latzke, Boris (3x), Filep, Tibor (2x), Pietrusiak, Bogdan (2x), Amura, Claudia (2x)

9…Ne8 — 38.0% (97 parties)

Ambassadeurs : Torre, Eugenio (7x), Ornstein, Axel (3x), Rodriguez Cespedes, Amador (3x), Polugaevsky, Lev (3x), Holm, Sejer (3x), Gufeld, Eduard (3x), Biyiasas, Peter (3x), Chevaldonnet, Francois (3x)

9…dxe5 — 3.5% (9 parties)

Ambassadeurs : Yurkov, Vladimir (2x), Lastovicka, Zdenek (1x), Mrva, Martin (1x), Krasnov, Sergey (1x), Petrosian, Arshak B (1x), Palatnik, Semon (1x), Ligterink, Gert (1x), Kort Jakob (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Nfd7	9…Ne8	9…dxe5
<1800	4	50%	50%	—
1800-2200	40	78%	20%	2%
2200-2600	144	49%	47%	3%
2600+	1	100%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Nfd7	9…Ne8	9…dxe5
1960s	15	73%	27%	—
1970s	75	35%	61%	4%
1980s	39	59%	36%	5%
1990s	55	62%	38%	—
2000s	35	77%	23%	—
2010s	30	77%	10%	13%
2020s	6	83%	17%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Nfd7	77%	83%	▲ +6.7%
9…Ne8	10%	17%	▲ +6.7%
9…dxe5	13%	0%	▼ -13.3%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie

Parties historiques

9…Nfd7 — 58.4% (149 parties)

1961 — Padevsky, Nikola vs Filep, Tibor — 1/2-1/2 — Debrecen HUN
1961 — Polugaevsky, Lev vs Stein, Leonid — 1-0 — Moskou
1962 — O'Kelly, Albéric de Galway vs Johansson, Martin 1979 — 1/2-1/2 — Varna BUL
1962 — O'Kelly de Galway, Alberic vs Juhansson — 1/2-1/2 — Varna BUL
1963 — Pietzsch, Wolfgang vs Szabo, Laszlo — 0-1 — Moscow RUS

9…Ne8 — 38.0% (97 parties)

1964 — Bruemmer, Ullrich vs Moehring, Guenther — 1-0 — Magdeburg GER
1964 — Liberzon, Vladimir M vs Bitman, Alexander R — 1-0 — Moscow RUS
1966 — Ghitescu, Theodor vs Bakker, Piet — 1-0 — Amsterdam NED
1968 — Boleslavsky, Isaac vs Kapengut, Albert — 1/2-1/2 — Byelorussia ch
1971 — Tukmakov, Vladimir B vs Kapengut, Albert — 1/2-1/2 — USSR

9…dxe5 — 3.5% (9 parties)

1973 — Yurkov, Vladimir vs Krasnov, Sergey — 1-0 — ?
1973 — Petrosian, Arshak B vs Palatnik, Semon — 0-1 — Kiev UKR
1973 — Yurkov, Vladimir vs Krasnov, Vasiliy G. — 1-0 — USSR
1986 — Ligterink, Gert vs Kort Jakob — 1-0 — Den Haag tt
1988 — Lastovicka, Zdenek vs Mrva, Martin — 1/2-1/2 — SVK-ch Trnava SVK