E79f — King’s Indian: Four Pawns Attack, Main Line, 9…Bd7 10.O-O

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2 c5 7.Nf3 cxd4 8.Nxd4 Nc6 9.Be3 Bd7 10.O-O * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte d4, case forte f4, case forte b5, case forte d5, Be2 actif, paire de fous, colonne d.
Faiblesses adverses : Bg7 enfermé.
Plans :
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte g4, Bd7 actif, paire de fous, colonne c.
Faiblesses adverses : Be2 mauvais fou.
Problèmes : Bg7 enfermé.
Plans :
● ...d5 — Rupture
● ...e6 — Rupture
● ...e5 — Rupture
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E79f — Four Pawns Attack Main Line

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2 c5 7.Nf3 cxd4 8.Nxd4 Nc6 9.Be3 Bd7 10.O-O

Eval: [+0.15]

Les coups candidats

10…Nxd4 — 40.7% (235 parties)

Ambassadeurs : Krasenkow, Michal (5x), Martz, William (2x), Pribyl, Josef (2x), Jungkunz, Florian (2x), Gazda, Istvan (2x), Van den Berg, Harmen (2x), Vachier-Lagrave, Maxime (2x), Molyboha, Volodymyr (2x)

10…a6 — 18.7% (108 parties)

Ambassadeurs : Gluszko, Monika (2x), Roesch, Eugene J (1x), Whitaker, Norman (1x), Billings, Samuel Walter (1x), Krasser, Gustaf Friedrich (1x), Fuchs, Reinhart (1x), Tringov, Georgi P (1x), Tarasov, Vitaly (1x)

10…Rc8 — 17.6% (102 parties)

Ambassadeurs : Reeh, Oliver (2x), Uhlmann, Wolfgang (1x), Zirngibl, Albert (1x), Stahlberg, Gideon (1x), Litsberger, Rune (1x), Popov, Vladilen (1x), Popov, Luben (1x), Zilber, Israel (1x)

10…Qb6 — 7.8% (45 parties)

Ambassadeurs : Martz, William (1x), Winston, Harold (1x), Guggenberger, Ilse D. (1x), Lematschko, Tatjana (1x), Borkowski, Franciszek (1x), Tomorhuyag, Nyamaa (1x), ? (1x), Madagascar Chess Federation (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10…Nxd4	10…a6	10…Rc8	10…Qb6
<1800	36	22%	31%	17%	8%
1800-2200	230	41%	17%	17%	8%
2200-2600	152	57%	15%	18%	5%
2600+	1	—	—	100%	—

Évolution par décennie (% des parties)

Décennie	N parties	10…Nxd4	10…a6	10…Rc8	10…Qb6
1910s	1	—	100%	—	—
1920s	2	—	50%	—	—
1940s	1	—	—	—	—
1950s	19	11%	26%	21%	—
1960s	16	50%	44%	6%	—
1970s	19	53%	21%	11%	11%
1980s	20	25%	20%	25%	5%
1990s	112	32%	20%	20%	11%
2000s	173	39%	18%	20%	8%
2010s	187	49%	14%	17%	7%
2020s	28	50%	18%	7%	11%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10…Nxd4	49%	50%	▲ +0.8%
10…a6	14%	18%	▲ +3.4%
10…Rc8	17%	7%	▼ -10.0%
10…Qb6	7%	11%	▲ +3.2%

Parties historiques

10…Nxd4 — 40.7% (235 parties)

1954 — Fuderer, Andrija vs Thiellement, Andre — 1/2-1/2 — Amsterdam NED
1956 — Uhlmann, Alexander vs Gromek, Aleksandra — 1-0 — Krynica Krynica POL
1964 — Pomar Salamanca, Arturo vs Dreyer, Kurt — 1-0 — Tel Aviv olm
1966 — Stahlberg, Gideon vs Horberg, Gideon — 1/2-1/2 — Stockholm Jubileumst
1967 — Luik, Helmuth vs Lein, Andreas — 0-1 — Moscow RUS

10…a6 — 18.7% (108 parties)

1911 — Billings, Samuel Walter vs Krasser, Gustaf Friedrich — 1-0 — Glasgow SCO
1927 — Roesch, Eugene J vs Whitaker, Norman — 0-1 — Kalamazoo
1957 — Tarasov, Vitaly vs Aronin, Lev — 1-0 — Moskou ch-URS
1957 — Teschner, Rudolf vs Troianescu, Octav — 1-0 — Wageningen zt
1957 — Antoshin, Vladimir S vs Boleslavsky, Isaac — 1/2-1/2 — Moskou ch-URS

10…Rc8 — 17.6% (102 parties)

1956 — Dittmann, Sieghart vs Beni, Alfred — 0-1 — Vienna AUT
1957 — Zilber, Israel vs Krogius, Nikolai V — 1/2-1/2 — Leningrad RUS
1958 — Uhlmann, Wolfgang vs Zirngibl, Albert — 1-0 — Kienbaum GER
1959 — Popov, Vladilen vs Popov, Luben — 1/2-1/2 — BUL-ch Sofia BUL
1966 — Stahlberg, Gideon vs Litsberger, Rune — 1/2-1/2 — Stockholm SWE

10…Qb6 — 7.8% (45 parties)

1971 — Martz, William vs Winston, Harold — 1-0 — Milwaukee, WI USA
1976 — Guggenberger, Ilse D. vs Lematschko, Tatjana — 0-1 — Roosendaal
1986 — Borkowski, Franciszek vs Tomorhuyag, Nyamaa — 1-0 — Warzsawa
1991 — ? vs Madagascar Chess Federation — 1-0 — Schmidt-Wilk
1994 — Danilov, Nikolai vs Palacios Siegenthaler, Juan A. — 1-0 — Wch U10 Szeged HUN

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v1), ● f4 (2v0), ● b5 (3v0), ● d5 (3v1)	● g4 (2v1)
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (3v1)	● e5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Be2	● Be2 Actif (mob. 4)
Be3	● Be3 Ok (mob. 3)
Bd7		● Bd7 Actif (mob. 6)
Bg7		● Bg7 Enfermé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	1 (a1)	1 (a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● e4-e5, ● f4-f5	● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1922 London BCF Congress – Round 15 – Capablanca, Jose – 1-0 – Marotti, Davide – G17 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. c4 d6 7. Nc3 Nf6 8. Be2 Bd7 9. O-O O-O 10. f4 Ng4
1953 Bognor Regis Premier – Round 4 – Wood, Baruch – 1/2-1/2 – Winter, William – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. Nf3 cxd4 7. Nxd4 O-O 8. Be2 Nc6 9. Be3 Bd7 10. O-O Ng4
1953 YUG-ITA m – Round 1.2 – Fuderer, Andrija – 1/2-1/2 – Paoli, Enrico – G3 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 d6 6. Nf3 c5 7. Be2 cxd4 8. Nxd4 Bd7 9. Be3 Nc6 10. O-O Qc8
1954 Olympiad prel III – Round 1 – Fuderer, Andrija – 1/2-1/2 – Thiellement, Andre – G2 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. e4 d6 7. Be2 Bg7 8. Be3 O-O 9. O-O Bd7 10. f4 Nxd4
1955 DDR-DEN – Round 1.2 – Dittmann, Sieghart – 1-0 – Pedersen, Eigil – G3 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. f4 O-O 6. Be2 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. O-O Qc8
1955 Zittau-A 5th – Round 8 – Juettler Helmut – 1/2-1/2 – Bertholdt, Dieter – G30 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. e4 d6 7. Be2 O-O 8. O-O Nc6 9. Be3 Bd7 10. f4 Qc8
1956 AUT-DDR m – Round 2.2 – Dittmann, Sieghart – 0-1 – Beni, Alfred – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. O-O Rc8
1957 ESP Ch – Round 5 – Gete Martin, Esteban – 0-1 – Puig, Pedro – G7 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. O-O a6
1957 Leningrad Ch – Round 10 – Zilber, Israel – 1/2-1/2 – Krogius, Nikolai V – G77 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. Be2 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. O-O Rc8
1957 Moskou ch-URS – Round 13 – Tarasov, Vitaly – 1-0 – Aronin, Lev – G131 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Be2 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. O-O a6
1957 Moskou ch-URS – Round 17 – Antoshin, Vladimir S – 1/2-1/2 – Boleslavsky, Isaac – G168 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. O-O a6
1957 Zonal (Men) Wageningen NED – Round 13 – Teschner, Rudolf – 1-0 – Troianescu, Octav – G14 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. O-O a6
1958 DDR-BUL m – Round 2.5 – Fuchs, Reinhart – 1/2-1/2 – Tringov, Georgi P – G8 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. O-O a6
1958 Kienbaum – Round 7 – Uhlmann, Wolfgang – 1-0 – Zirngibl, Albert – G20 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. O-O Rc8
1959 BUL Ch Sofia BUL – Round 9 – Popov, Vladilen – 1/2-1/2 – Popov, Luben – G27 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. Nf3 O-O 7. Be2 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. O-O Rc8
1962 Sofia – Round 2 – Golz, Werner – 1/2-1/2 – Lilienthal, Andor – G16 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. O-O a6
1963 Stevenson Memorial 11th – Round 8 – Karaklajic, Nikola – 1/2-1/2 – Fuller, Ronald A – G14 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. O-O a6
1964 Tel Aviv olm – Round 1 – Pomar Salamanca, Arturo – 1-0 – Dreyer, Kurt – G56 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. O-O Nxd4
1966 Stockholm jub 6667 – Round 2 – Stahlberg, Gideon – 1/2-1/2 – Litsberger, Rune – G5 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. O-O Rc8
1967 Havana Armies Ch 4th – Round 3 – Pribyl, Josef – 1-0 – Fernandez Bravo, Ciro Angel – G19 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8. Be2 d6 9. O-O Bd7 10. f4 Nxd4
1968 Prague U26 – Round 14 – Pribyl, Josef – 1-0 – Kamlach, Miroslav – G58 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. Be2 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. O-O Nxd4
1969 Buesum – Round 2 – Szily, Jozsef – 1/2-1/2 – Polugaevsky, Lev – G4 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be3 Bd7 10. O-O a6

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