E78a — King’s Indian: Four Pawns Attack, 7.Nf3

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

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes b5, d5 et g5 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte g4 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et e2 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour 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

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

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

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	● d4-d5, ● e4-e5, ● f4-f5	● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1928 Mar del Plata – Round 3 – Maderna, Carlos – 1-0 – Anfruns Garcia, Salvador – G13 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 Bg4 7. Be2 c5 8. d5 Nbd7 9. O-O Re8 10. h3 Bxf3
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
1951 BCF Ch 38th – Round 4.6 – Ritson-Morry, William – 1-0 – Blaine, Martin – G15 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. Be2 e6 8. O-O cxd4 9. Nxd4 a6 10. Be3 Qc7
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
1959 GDR Ch Leipzig GER – Round 13 – Moehring, Guenther – 0-1 – Pietzsch, Wolfgang – G61 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 Bg4 8. Be3 cxd4 9. Bxd4 Nc6 10. Be3 Nd7
1961 Netanya – Round 10 – Fischer, Ernst – 0-1 – Kraidman, Yair – G61 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 Nc6 8. d5 Na5 9. O-O Ne8 10. Qc2 a6
1961 Zagreb – Round 1 – Karaklajic, Nikola – 1-0 – Krstev, Krum – G14 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 c5 7. Nf3 Nbd7 8. d5 a6 9. O-O Rb8 10. a4 Qc7
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
1963 Split ol women – Round 9 – Loeffler, Louise – 0-1 – Gaprindashvili, Nona – G27 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. f4 d6 5. e4 c5 6. Nf3 O-O 7. Be2 Qa5 8. O-O Nc6 9. d5 Nd4 10. Be3 Ng4
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
1972 Skopje ol (Men) fin-A – Round 1 – Martz, William – 1/2-1/2 – Uddenfeldt, Dan – G181 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. Be2 Qa5 8. O-O Nc6 9. d5 Nd4 10. Kh1 Nxf3

E78a — Four Pawns Attack

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

Eval: [+0.06]

Les coups candidats

7…cxd4 — 88.2% (841 parties) →

Ambassadeurs : Martz, William (23x), Uhlmann, Wolfgang (18x), Bisguier, Arthur B (17x), Bertok, Mario Jr. (16x), Pomar Salamanca, Arturo (12x), Balta, Mihai Victor (12x), Glenne, Bjorn Erik (10x), Taylor, Timothy (9x)

7…Bg4 — 5.5% (52 parties) →

Ambassadeurs : Szabolcsi, Janos (3x), Taylor, Timothy (2x), Reimann, Hubert (2x), Serebrisky, Alexander S (1x), Gufeld, Eduard (1x), Moehring, Guenther (1x), Pietzsch, Wolfgang (1x), Klimes, Jaromir (1x)

7…Na6 — 1.3% (12 parties)

Ambassadeurs : Bellin, Robert (1x), Price, Howard J (1x), Malich, Burkhard, Dr. (1x), Bauer, Erich (1x), Serrano Aspa, Xavier (1x), Gutierrez Masdeu, Juan (1x), Mallow, Peter (1x), Achenbach, Manfred (1x)

7…Nbd7 — 1.0% (10 parties)

Ambassadeurs : Stobo, Alan Forrest (1x), Ellison, D George (1x), Pimentel, Frederico Guilherme (1x), De Pinto Paiva, Jose (1x), Karaklajic, Nikola (1x), Krstev, Krum (1x), Bouwens, Harko (1x), Pelter, Yehuda (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…cxd4	7…Bg4	7…Na6	7…Nbd7
<1800	29	76%	7%	3%	3%
1800-2200	268	86%	6%	2%	1%
2200-2600	251	89%	7%	1%	—

Évolution par décennie (% des parties)

Décennie	N parties	7…cxd4	7…Bg4	7…Na6	7…Nbd7
1920s	3	100%	—	—	—
1930s	1	100%	—	—	—
1940s	2	100%	—	—	—
1950s	79	94%	3%	1%	1%
1960s	159	96%	—	1%	1%
1970s	58	93%	3%	—	—
1980s	33	88%	6%	—	—
1990s	160	79%	9%	2%	2%
2000s	197	86%	7%	1%	1%
2010s	233	87%	7%	2%	0%
2020s	28	96%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…cxd4	87%	96%	▲ +9.7%
7…Bg4	7%	0%	▼ -7.3%
7…Na6	2%	0%	▼ -2.1%
7…Nbd7	0%	0%	-0.4%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 5 parties

Parties historiques

7…cxd4 — 88.2% (841 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

7…Bg4 — 5.5% (52 parties)

1956 — Serebrisky, Alexander S vs Gufeld, Eduard — 1/2-1/2 — Kiev UKR
1959 — Moehring, Guenther vs Pietzsch, Wolfgang — 0-1 — GDR-ch Leipzig GER
1976 — Pribyl, Josef vs Suwuh, J — 1-0 — Amsterdam NED
1979 — Klimes, Jaromir vs Petran, Jan — 1-0 — Loucovice
1987 — Szmacinska, Grazyna vs Brustman, Agnieszka — 1/2-1/2 — Wroclaw ch-POL wmn

7…Na6 — 1.3% (12 parties)

1956 — Malich, Burkhard, Dr. vs Bauer, Erich — 1-0 — Leipzig GER
1966 — Bellin, Robert vs Price, Howard J — 1-0 — Sunderland
1991 — Mallow, Peter vs Achenbach, Manfred — 0-1 — Ingelheim
1991 — Pollok, Joerg vs Titz Patrick — 0-1 — Landes-Einzelmeister
1999 — Serrano Aspa, Xavier vs Gutierrez Masdeu, Juan — 0-1 — Barcelona ESP

7…Nbd7 — 1.0% (10 parties)

1958 — Stobo, Alan Forrest vs Ellison, D George — 0-1 — Leamington
1961 — Karaklajic, Nikola vs Krstev, Krum — 1-0 — Zagreb CRO
1966 — Pimentel, Frederico Guilherme vs De Pinto Paiva, Jose — 0-1 — Belo Horizonte
1992 — Mrochen, Markus vs Baecker, Rolf — 1-0 — GER
1992 — Gronberg Erik vs Kristensen, Bent Overgaard — 0-1 — Denmark

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →