E61f — King’s Indian: 4.g3

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.g3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte f4, case forte b5, case forte d5, paire de fous.
Faiblesses adverses : Bg7 enfermé, Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (G1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, menace e5, libère Bf1
● Nf3 — Développer Ng1
● Bg5 — Clouer Nf6

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bg7 enfermé, Bc8 enfermé, 4 pièces non développées (B8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...c5 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E61f —

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.g3

Eval: [+0.04]

Les coups candidats

4…O-O — 71.9% (4565 parties) →

Ambassadeurs : Lombart, Philippe (42x), Timar, Zsolt (35x), Korchnoi, Viktor (33x), Seres, Lajos (25x), Geller, Efim P. (16x), Kaczorowski, Piotr (15x), Somogyi, Istvan (15x), Abramovic, Bosko (12x)

4…d6 — 15.5% (984 parties) →

Ambassadeurs : Timar, Zsolt (10x), Kaczorowski, Piotr (5x), Pragua, Christoph (4x), Korchnoi, Viktor (4x), Janosevic, Dragoljub (3x), Brown, Paul (3x), Seres, Lajos (3x), Somogyi, Istvan (3x)

4…d5 — 8.2% (523 parties)

Ambassadeurs : Lombart, Philippe (8x), Timar, Zsolt (6x), Geller, Efim P. (5x), Issakainen, Ari (5x), Mamedyarov, Shakhriyar (5x), Keres, Paul Petrovich (3x), Nielsen, Axel (3x), Korchnoi, Viktor (3x)

4…c5 — 2.4% (153 parties)

Ambassadeurs : Gligorić, Svetozar (2x), Gligoric, Svetozar (2x), Korchnoi, Viktor (2x), Fridh, Anton (2x), Aronian, Levon (2x), Radjabov, Teimour (2x), Kennedy, Patrick (1x), O Sullivan Donal (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…O-O	4…d6	4…d5	4…c5
<1800	178	66%	19%	10%	2%
1800-2200	2125	71%	19%	7%	2%
2200-2600	2284	79%	8%	9%	3%
2600+	95	58%	2%	25%	5%

Évolution par décennie (% des parties)

Décennie	N parties	4…O-O	4…d6	4…d5	4…c5
1880s	2	50%	50%	—	—
1920s	7	14%	57%	29%	—
1930s	24	46%	25%	29%	—
1940s	53	64%	13%	19%	2%
1950s	217	66%	13%	18%	2%
1960s	268	78%	13%	4%	4%
1970s	209	71%	14%	10%	3%
1980s	315	74%	15%	7%	2%
1990s	1273	71%	19%	7%	1%
2000s	1537	71%	17%	8%	2%
2010s	2045	73%	14%	8%	3%
2020s	401	74%	13%	9%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…O-O	73%	74%	▲ +1.4%
4…d6	14%	13%	▼ -0.8%
4…d5	8%	9%	▲ +1.0%
4…c5	3%	2%	▼ -0.6%

Joueurs célèbres

Champions du monde dans cette position

Ju, Wenjun — 7 parties
Ding, Liren — 4 parties
Smyslov, Vladimir — 3 parties
Carlsen, Magnus — 3 parties
Euwe, Max — 1 partie
Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

4…O-O — 71.9% (4565 parties)

1880 — Paulsen, Wilfried vs Riemann, Fritz — 0-1 — Braunschweig
1923 — Bernstein, Jacob vs Yates, Frederic D — 1-0 — Carlsbad CZE
1930 — Thomas, George Alan vs Tylor, Theodore Henry — 1-0 — Hastings ENG
1935 — Landau, Salo vs Wood, Baruch — 1-0 — Hastings ENG
1935 — Winkelman, Barnie vs Dahlstrom Burton — 1-0 — Milwaukee, WI USA

4…d6 — 15.5% (984 parties)

1880 — Adolf, Feraydo vs Paulsen, Louis — 1/2-1/2 — Wiesbaden GER
1922 — Rubinstein, Akiba vs Thomas, George Alan — 1/2-1/2 — Hastings ENG
1922 — Rubinstein, Andres vs Bellod Thomas, Gonzalo — 1/2-1/2 — Hastings ENG
1922 — Rubinstein, Akiba vs Bellod Thomas, Gonzalo — 1/2-1/2 — ?
1927 — Gooding, William vs Stahlberg, Gideon — 0-1 — London ENG

4…d5 — 8.2% (523 parties)

1925 — Kupchik, Boris vs Alaniz Torre, Marcelo — 0-1 — New York, NY USA
1925 — Kupchik, Abraham vs De La Torre Huertas, Carlos — 0-1 — New York m New York, NY USA
1934 — Vedensky, DN. vs Patterson, Graham — 0-1 — San Luis Obispo, CA
1935 — Flohr, Salo vs Tylor, Theodore Henry — 1/2-1/2 — Hastings ENG
1936 — Landau, Salo vs Scheffer, Jurrien Cornelis — 1-0 — Hastings ENG

4…c5 — 2.4% (153 parties)

1949 — Kennedy, Patrick vs O Sullivan Donal — 1-0 — ?
1956 — Tepper, Marcel vs Smetana, Jaroslav — 0-1 — Chomutov
1957 — Simagin, Vladimir vs Gurgenidze, Bukhuti — 0-1 — Sverdlovsk
1959 — Martinov Georgi vs Popov, Luben — 0-1 — BUL-ch Sofia BUL
1959 — Szabo, Laszlo vs Spassky, Boris V. — 1/2-1/2 — Budapest HUN

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v0), ● d5 (2v1)	—
Cases faibles	—	—
Centre	● d4 (1v0), ● d5 (2v1), ● e5 (1v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	5 (g1, c1, f1, a1, h1)	4 (b8, c8, a8, h8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3, ● f2-f3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1935 Hastings3536 – Round 9 – Flohr, Salo – 1/2-1/2 – Tylor, Theodore Henry – G35 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. Bg2 dxc4 6. Qa4+ Nbd7 7. Nf3 O-O 8. Qxc4 Nb6 9. Qd3 Bg4 10. Ne5 Bf5
1938 Hastings3839 – Round 4 – Klein, Ernst – 1/2-1/2 – Tylor, Theodore Henry – G16 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. Bg2 dxc4 6. Qa4+ Nbd7 7. Nf3 O-O 8. Qxc4 Nb6 9. Qd3 Bg4 10. O-O Qc8
1946 Zaanstreek – Round 1 – Muhring, Willem Jan – 0-1 – List, Paul – G9 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. Bg2 c6 6. cxd5 Nxd5 7. e4 Nxc3 8. bxc3 Be6 9. Ne2 Bc4 10. O-O Qa5
1951 Mar del Plata zt – Round 20 – Marini, Liam – 1/2-1/2 – Reinhardt, Enrique – G200 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. Bg2 dxc4 6. Qa4+ Nbd7 7. Nf3 O-O 8. Qxc4 c6 9. O-O Qa5 10. h3 Nd5
1952 DDR Ch 03rd – Round 5 – Knothe, Karl – 0-1 – Koch, Berthold – G4 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. Bg2 dxc4 6. Qa4+ Nfd7 7. Nf3 Nc6 8. d5 Nb6 9. Qb5 a6 10. Qc5 Nb8
1952 Miedzyzdroje – Round 10 – Balanel, Ion – 0-1 – Milev, Zdravko – G64 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. Bg2 dxc4 6. Qa4+ Nfd7 7. e3 O-O 8. Qxc4 Nb6 9. Qb3 c6 10. Nge2 Be6
1953 Buenos Aires ch-ARG – Round 1 – Guimard, Jean Louis – 0-1 – Martello Panno, David – G13 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. Bg2 dxc4 6. Qa4+ Nfd7 7. Nf3 Nc6 8. d5 Nb6 9. Qb5 Bxc3+ 10. bxc3 Qxd5
1953 Candidats Tournament – Round 7 – Kotov, Alexander A – 1/2-1/2 – Keres, Paul Petrovich – G39 1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. g3 d5 5. Bg2 dxc4 6. Qa4+ Nfd7 7. e3 O-O 8. Qxc4 c5 9. Nf3 cxd4 10. Nxd4 Ne5
1953 Mar del Plata – Round 1 – Letelier Martner, Rene – 1-0 – Pilnik, Herman – G24 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. Bg2 dxc4 6. Qa4+ Nfd7 7. d5 O-O 8. Qxc4 Nb6 9. Qh4 c6 10. dxc6 Nxc6
1953 Mar del Plata – Round 12 – Steiner, Heinrich Jun. – 1/2-1/2 – Trifunovic, Petar – G126 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. Bg2 dxc4 6. Qa4+ Nfd7 7. e3 O-O 8. Qxc4 c5 9. Nge2 Nc6 10. O-O cxd4
1955 Corr – Round ? – Christiansen Johannes – 0-1 – Nielsen, Axel – G11 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Nc3 d5 5. Bg2 dxc4 6. Qa4+ Nfd7 7. Nf3 Nc6 8. Qxc4 Nb6 9. Qb3 Nxd4 10. Nxd4 Qxd4
1957 URS Ch, semi final – Round 1 – Simagin, Vladimir – 0-1 – Gurgenidze, Bukhuti – G11 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 c5 5. d5 d6 6. Bg2 O-O 7. e3 Na6 8. Nge2 Nc7 9. O-O Rb8 10. a4 b6
1959 Budapest-Leningrad m – Round 4.1 – Szabo, Laszlo – 1/2-1/2 – Spassky, Boris V. – G14 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 c5 5. Nf3 O-O 6. dxc5 Qa5 7. Qa4 Qxc5 8. Bg2 Nc6 9. O-O d6 10. Be3 Qh5
1959 BUL Ch Sofia BUL – Round 3 – Martinov Georgi – 0-1 – Popov, Luben – G9 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. g3 c5 5. e3 O-O 6. Bg2 Nc6 7. Nge2 d6 8. O-O Bd7 9. b3 a6 10. Bb2 Rb8
1962 Copenhagen – Round 1 – Hansen, Victor – 1-0 – Nielsen, Axel – G14 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. Bg2 dxc4 6. Qa4+ Nfd7 7. e3 O-O 8. Qxc4 Nb6 9. Qb3 Na6 10. Nge2 c5
1964 SWE Ch – Round ? – Nilsson, Zandor – 1-0 – Fridh, Anton – G17 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 c5 5. e3 O-O 6. Bg2 d6 7. Nge2 Nbd7 8. O-O a6 9. b3 Rb8 10. a4 Ne8
1968 New York ch-USA – Round 7 – Weinberger, Tibor – 1/2-1/2 – Rossolimo, Nicolas – G37 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. cxd5 Nxd5 6. Nf3 c5 7. Qb3 Nxc3 8. bxc3 Nc6 9. e3 O-O 10. Bg2 Be6
GCT Blitz Paris 2021 – Round 15.5 – Vachier-Lagrave, Maxime – 1-0 – Radjabov, Teimour – G73 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. g3 c6 5. Nf3 d5 6. Qb3 O-O 7. Bg2 e6 8. O-O b6 9. Rd1 Bb7 10. Bf4 Nbd7
Hoogovens 1996 – Round 10 – Huebner, Robert – 0-1 – Shirov, Alexei – G52 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d5 5. Bg2 dxc4 6. Qa4+ c6 7. Qxc4 O-O 8. Nf3 Bf5 9. O-O Nbd7 10. e3 Ne4
XXV SuperGM 2008 – Round 3 – Aronian, Levon – 1/2-1/2 – Radjabov, Teimour – G10 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 c5 5. Nf3 cxd4 6. Nxd4 O-O 7. Bg2 Qc7 8. b3 d5 9. O-O dxc4 10. Ncb5 Qd8

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