E78c — King’s Indian: Four Pawns Attack, 7.Nf3 cxd4

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2 c5 7.Nf3 cxd4 * ○ Trait aux Blancs

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 b5, case forte d5, case forte g5, paire de fous, colonne d.
Faiblesses adverses : Bg7 enfermé, Bc8 enfermé, pawn d4 en prise.
Problèmes : roi au centre, Bc1 enfermé, Be2 enfermé, 3 pièces non développées (C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (3v1), case forte g4, paire de fous, colonne c, pion passé d4.
Faiblesses adverses : Bc1 enfermé, Be2 enfermé, roi blanc au centre.
Problèmes : Bg7 enfermé, Bc8 enfermé, 3 pièces non développées (B8, C8, A8).
Plans :
● ...Nbd7 — Développer Nb8
● ...Bg4 — Développer Bc8, clouer Nf3
● ...d5 — Rupture
● ...e6 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E78c — Four Pawns Attack

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2 c5 7.Nf3 cxd4

Eval: [+0.18]

Les coups candidats

8.Nxd4 — 99.9% (839 parties) →

Ambassadeurs : Martz, William (23x), Uhlmann, Wolfgang (18x), Bisguier, Arthur B (17x), Bertok, Mario Jr. (16x), Baumgartner, Ulrich (13x), Pomar Salamanca, Arturo (12x), Balta, Mihai Victor (12x), Wallner, Josef (8x)

8.Qxd4 — 0.1% (1 parties)

Ambassadeurs : Nimptsch, Christoph (1x), Mosshammer, Michael (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Nxd4	8.Qxd4
<1800	22	100%	—
1800-2200	229	100%	0%
2200-2600	224	100%	—

Évolution par décennie (% des parties)

Décennie	N parties	8.Nxd4	8.Qxd4
1920s	3	100%	—
1930s	1	100%	—
1940s	2	100%	—
1950s	74	100%	—
1960s	153	100%	—
1970s	54	100%	—
1980s	29	100%	—
1990s	127	100%	—
2000s	168	99%	1%
2010s	202	100%	—
2020s	27	100%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Nxd4	100%	100%	+0.0%
8.Qxd4	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 5 parties

Parties historiques

8.Nxd4 — 99.9% (839 parties)

1927 — Vukovic, Vladan vs Nogues Acuna, Alejandro — 0-1 — London ENG
1927 — Vukovic, Vladimir vs Nogues Acuna, Alejandro — 0-1 — ?
1928 — Alderete Ureta, Lucia vs De Souza Mendes, Joao — 0-1 — Mar del Plata ARG
1938 — Joukowsky vs Tchistoganoff — 1/2-1/2 — Paris FRA
1949 — Barden, Leonard vs Fuller, John Arthur — 1-0 — Felixstowe

8.Qxd4 — 0.1% (1 parties)

2006 — Nimptsch, Christoph vs Mosshammer, Michael — 1/2-1/2 — ICCF

	♔ Blancs	♚ Noirs
Pions doublés	—	● d4, ● d6
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● e7→d6, f7→g6, h7→g6
Passés	—	● d4
Majorité	● aile_dame 3v2	● centre 3v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0), ● b5 (2v0), ● d5 (3v1), ● g5 (2v0)	● g4 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● d5 (3v1), ● e5 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Be2	● Be2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (c1, 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	semi-ouvert
Ruptures	● c4-c5, ● e4-e5, ● f4-f5	● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1949 Berlin GER – Round 14 – Teschner, Rudolf – 1-0 – Elstner, Rudolf – G11 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. Nc2 Qb6 10. Be3 Qa5
1949 GBR Ch 36th – Round 5.7 – Barden, Leonard – 1-0 – Fuller, John Arthur – G19 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. Nc2 Be6 10. O-O Na5
1950 Moskou ch-URS – Round 1 – Borisenko, Georgy K – 1/2-1/2 – Tolush, Alexander – G58 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. f4 d6 6. Nf3 c5 7. Be2 cxd4 8. Nxd4 Nc6 9. Nc2 Be6 10. Be3 Qc8
1954 URS Ch sf Leningrad RUS – Round 1 – Tolush, Alexander V – 1-0 – Usov, Alexey B. – G3 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. Nc2 Be6 10. O-O Rc8
1956 Manhattan CC Ch sf-C 5657 – Round ? – Bisguier, Arthur B – 1/2-1/2 – Kramer, George – G8 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. Nc2 e6 10. O-O a6
1956 New York Rosenwald – Round ? – Bisguier, Arthur B – 1-0 – Fischer, Robert J – G20 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. Nc2 Bd7 10. O-O Rc8
1957 Hastings5758 – Round ? – Barden, Leonard – 1-0 – Blau, Max – G37 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Nbd7 9. O-O Nc5 10. Bf3 Bg4
1957 Vienna AUT – Round 4 – Jezek, Jaroslav – 1/2-1/2 – Boleslavsky, Isaac – G9 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. Nc2 Be6 10. O-O Rc8
1958 Munich olm fin-A – Round 3 – Dittmann, Sieghart – 1/2-1/2 – Farre Mallofre, Miguel – G20 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. Be2 cxd4 8. Nxd4 Qb6 9. Nc2 Qc6 10. Nd4 Qb6
1962 Varna olm – Round 7 – Pomar Salamanca, Arturo – 1/2-1/2 – Penrose, Justin – G298 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. Nc2 a6 10. O-O b5
1963 Alekhine Memorial – Round 11 – Szabo, Ladislav – 1/2-1/2 – Tal, Mikhail – G73 1. c4 g6 2. d4 Nf6 3. Nc3 Bg7 4. e4 O-O 5. f4 d6 6. Be2 c5 7. Nf3 cxd4 8. Nxd4 Bg4 9. Be3 Qc8 10. O-O Bxe2
1964 Buenos Aires Ch – Round ? – Rubinetti, Jorge – 0-1 – De Las Heras, Juan Carlos – G29 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Bg4 9. Be3 Qc8 10. O-O Bxe2
1964 Tel Aviv olm – Round 1 – Pomar Salamanca, Arturo – 1/2-1/2 – Saidy, Anthony – G58 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Bg4 9. Be3 Qc8 10. h3 Bxe2
1964 US Open – Round ? – Bisguier, Arthur B – 1-0 – Tamargo, Joseph S – G3 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Nbd7 9. O-O Nc5 10. Bf3 Bg4
1964 Zinnowitz Zinnowitz GER – Round 10 – Baumbach, Friedrich, Dr. – 1/2-1/2 – Dely, Peter – G39 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Bg4 9. Be3 Qc8 10. Nd5 Nxd5
1965 Yerevan – Round 3 – Stahlberg, Gideon – 0-1 – Stein, Leon Rico – G16 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 O-O 5. Be2 d6 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Na6 9. Be3 Nc5 10. Bf3 Bh6
1966 Havana olm – Round ? – Pomar Salamanca, Arturo – 0-1 – Gligoric, Svetozar – G40 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Bg4 9. Be3 Qc8 10. Nd5 Bxe2
1966 Havana olm – Round 1 – Meza Pomar, Aroa – 0-1 – Gligoric, Sofija – G21 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Bg4 9. Be3 Qc8 10. Nd5 Bxe2
1968 Palma de Mallorca – Round 1 – Pomar Salamanca, Arturo – 1/2-1/2 – Westerinen, Heikki M.J. – G11 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. Nc2 a6 10. O-O Bd7
1969 Novi Travnik ch YUG – Round 19 – Bertok, Mario Jr. – 0-1 – Vukic, Milan – 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. Nc2 Nd7 10. O-O Nc5
1969 San Juan – Round 6 – Bisguier, Arthur B – 1/2-1/2 – Byrne, Robert E – G42 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Na6 9. O-O Nc5 10. Bf3 Bg4
1969 US Open – Round 7 – Bisguier, Arthur B – 1/2-1/2 – Byrne, Ray – G17 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 cxd4 8. Nxd4 Nbd7 9. Be3 Nc5 10. Bf3 Nfd7
1969 US Open – Round 8 – Poschel, Paul – 1-0 – Denker, Arnold S – G21 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f4 c5 6. Nf3 O-O 7. Be2 cxd4 8. Nxd4 Bg4 9. Be3 Bxe2 10. Qxe2 Nbd7
1969 US Open – Round 9 – Bisguier, Arthur B – 1-0 – Popovych, Orest – G23 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. Nc2 Nd7 10. O-O Nc5
1969 YUG Ch 24th – Round 19 – Bertok, Mario Jr. – 0-1 – Vukic, Milan – G70 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. Nc2 Nd7 10. O-O Nc5

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