E15t — Queen’s Indian: 4.g3 Bb7 5.Bg2 Qc8

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Qc8 *   ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bQ
bKRoi au centre — vulnérable
bBFou enfermé — mobilité 5
bR
bP
bB
bP
bP
bP
bP
bP
bP
bP
bN
Case forte (2v0)
Case forte (2v0)
wP
wPCase forte (2v0)
Case forte (2v0)
wN
wP
wP
wP
wP
wP
wB
wP
wR
wN
wBFou actif — mobilité 5
wQ
wK
wR
abcdefgh
Avantages : case forte d4, case forte f4, case forte e5, case forte g5, paire de fous.
Faiblesses adverses : Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bg2 enfermé, 4 pièces non développées (B1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nc3 — Développer Nb1
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wKRoi au centre — doit roquer
wQ
wBFou enfermé — mobilité 5
wN
wR
wP
wBFou enfermé — mobilité 2
wP
wP
wP
wP
wP
wN
Case forte (2v0)
wP
wP
bN
bP
bP
bP
bP
bP
bP
bP
bBFou actif — mobilité 5
bP
bR
bBFou actif — mobilité 5
bK
bQ
bN
bR
hgfedcba
Avantages : case forte e4, Bb7 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bf8 enfermé, 4 pièces non développées (B8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nc6 — Développer Nb8
● ...Be7 — Développer Bf8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
E15t —
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Qc8
Eval: [+0.67]
Les coups candidats
6.O-O — 58.8% (47 parties)
Ambassadeurs : Glass, Eduard (4x), Lisitsin, Georgy (3x), Gruenfeld, Ernst (2x), Rivise, Irving (2x), Pirc, Vasja (2x), Landau, Salo (2x), Tartakower, Savielly (1x), Keres, P. (1x)
6.Nc3 — 37.5% (30 parties)
Ambassadeurs : Lilienthal, Andor (3x), Lisitsin, Georgy (2x), Romih, Max (1x), Kertesz, Adam (1x), Romm, Meir (1x), Opocensky, Karel (1x), Tartakower, Savielly (1x), Sulik, Franciszek (1x)
6.Bg5 — 2.5% (2 parties)
Ambassadeurs : Gromer, Aristide (2x), Lazard, Frederic (1x), Golberine, Boris (1x)
6.e3 — 1.2% (1 parties)
Ambassadeurs : Donegan, Alfred (1x), Glass, Eduard (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.O-O 6.Nc3 6.Bg5 6.e3
1800-2200 9 33% 67%
2200-2600 12 50% 50%
Évolution par décennie (% des parties)
Décennie N parties 6.O-O 6.Nc3 6.Bg5 6.e3
1920s 2 50% 50%
1930s 35 63% 29% 6% 3%
1940s 6 83% 17%
1950s 2 50% 50%
1960s 6 67% 33%
1970s 5 20% 80%
1980s 4 75% 25%
1990s 4 25% 75%
2000s 9 56% 44%
2010s 6 67% 33%
2020s 1 100%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.O-O 67% 0% ▼ -66.7%
6.Nc3 33% 100% ▲ +66.7%
6.Bg5 0% 0% +0.0%
6.e3 0% 0% +0.0%
Parties historiques
6.O-O — 58.8% (47 parties)
1927 — Ahmed Nagy, Shady vs Gomez Gruber, Maria Gabriela — 1-0 — London ENG
1935 — Gruenfeld, Ernst vs Tartakower, Savielly — 1/2-1/2 — Warsaw POL
1935 — Chekhover, Vitaly vs Lisitsin, Georgy — 1/2-1/2 — Moskou
1935 — Pirc, Vasja vs Lisitsin, Georgy — 1/2-1/2 — ?
1935 — Glass, Eduard vs Steiner, Lajos — 0-1 — Vienna AUT
6.Nc3 — 37.5% (30 parties)
1929 — Lilienthal, Andor vs Kertesz, Adam — 1-0 — Budapest HUN
1930 — Lilienthal, Andor vs Romih, Max — 1-0 — ?
1930 — Lilienthal, Andor vs Romm, Meir — 1-0 — It Paris FRA
1933 — Raizman, Maurice vs Gromer, Aristide — 1-0 — Paris FRA
1934 — Dubinin, Peter vs Lisitsin, Georgy — 1-0 — Ch URS Leningrad RUS
6.Bg5 — 2.5% (2 parties)
1933 — Lazard, Frederic vs Gromer, Aristide — 1/2-1/2 — Sarreguemines
1933 — Golberine, Boris vs Gromer, Aristide — 0-1 — Sarreguemines
6.e3 — 1.2% (1 parties)
1936 — Donegan, Alfred vs Glass, Eduard — 0-1 — Vienna AUT
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● f2→g3, h2→g3 ● a7→b6, c7→b6, d7→e6, f7→e6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● d4 (2v0), ● f4 (2v0), ● e5 (2v0), ● g5 (2v0) ● e4 (2v0)
Cases faibles
Centre ● d4 (2v0), ● e5 (2v0) ● d5 (3v1), ● e4 (2v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 5)
Bg2 ● Bg2 Enfermé (mob. 2)
Bb7 ● Bb7 Actif (mob. 5)
Bf8 ● Bf8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 4 (b1, c1, a1, h1) 4 (b8, f8, 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 ● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5
Partie
1929 Budapest HUN – Round ? – Lilienthal, Andor – 1-0 – Kertesz, Adam – G23
1. d4 Nf6 2. c4 b6 3. g3 Bb7 4. Nf3 Qc8 5. Bg2 e6 6. Nc3 Nc6 7. a3 a6 8. O-O Ne7 9. Qc2 c5 10. Bg5 cxd4
1933 Paris – Round 1 – Raizman, Maurice – 1-0 – Gromer, Aristide – G4
1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Qc8 6. Nc3 d6 7. O-O Ne4 8. Qd3 Nxc3 9. bxc3 Be7 10. e4 Nd7
1934 Leningrad ch-URS – Round 1 – Levenfish, Grigory – 1/2-1/2 – Lisitsin, Georgy – G79
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Qc8 6. Nc3 Bb4 7. Qb3 c5 8. dxc5 Bxc5 9. Bg5 Nc6 10. Bxf6 gxf6
1935 Moskou – Round 15 – Pirc, Vasja – 1/2-1/2 – Lisitsin, Georgy – G76
1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Qc8 6. O-O c5 7. b3 Be7 8. Bb2 O-O 9. Nc3 cxd4 10. Nxd4 Bxg2
1935 Moskou – Round 19 – Chekhover, Vitaly – 1/2-1/2 – Lisitsin, Georgy – G90
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Qc8 6. O-O c5 7. dxc5 Bxc5 8. b3 O-O 9. Bb2 d5 10. cxd5 Nxd5
1935 Vienna – Round 11 – Glass, Eduard – 0-1 – Steiner, Lajos – G55
1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Qc8 6. O-O c5 7. Nc3 cxd4 8. Qxd4 Bc5 9. Qd3 d5 10. cxd5 Nxd5
1935 Warsaw POL – Round 3 – Gruenfeld, Ernst – 1/2-1/2 – Tartakower, Savielly – G14
1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Qc8 6. O-O c5 7. b3 Be7 8. Bb2 O-O 9. Nbd2 cxd4 10. Nxd4 Bxg2
1936 Budapest – Round 7 – Glass, Eduard – 1/2-1/2 – Boros, Sandor – G27
1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Qc8 6. O-O c5 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Bf4 Be7 10. dxc5 bxc5
1936 Trebitsch mem19 – Round 15 – Rubinstein, Simon – 1/2-1/2 – Glass, Eduard – G46
1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Qc8 6. O-O c5 7. b3 Be7 8. Bb2 O-O 9. Nc3 cxd4 10. Nxd4 Bxg2
1936 Trebitsch Memorial 19th – Round 4 – Donegan, Alfred – 0-1 – Glass, Eduard – G7
1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Qc8 6. e3 c5 7. Nbd2 cxd4 8. exd4 d5 9. O-O Be7 10. Re1 O-O
1936 Zandvoort – Round 3 – Gruenfeld, Ernst – 1/2-1/2 – Keres, P. – G26
1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Qc8 6. O-O c5 7. b3 cxd4 8. Bb2 Be7 9. Nxd4 Bxg2 10. Kxg2 d5
1937 Birmingham – Round 8 – Winter, William – 0-1 – Eliskases, Erich – G14
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Qc8 6. O-O c5 7. b3 cxd4 8. Nxd4 Bxg2 9. Kxg2 d5 10. cxd5 Nxd5
1937 Parnu – Round 5 – Opocensky, Karel – 1/2-1/2 – Tartakower, Savielly – G15
1. d4 Nf6 2. c4 b6 3. Nf3 Bb7 4. g3 e6 5. Bg2 Qc8 6. Nc3 Bb4 7. Bd2 O-O 8. O-O Nc6 9. Rc1 d5 10. cxd5 exd5
1938 Ch (Men) Argentina ARG – Round 10 – Palau, Luis – 0-1 – Maderna, Carlos – G15
1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Qc8 6. O-O Be7 7. Nc3 d5 8. Ne5 O-O 9. Bg5 dxc4 10. Nxc4 Bxg2
1938 Ch (Men) Argentina ARG – Round 8 – Pasero, Paolina – 1/2-1/2 – Corte, Cesar J – G10
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Qc8 6. O-O Be7 7. b3 O-O 8. Nc3 d5 9. Bb2 dxc4 10. bxc4 Rd8
1938 GBR Ch 31st – Round 9 – Golombek, Harry – 1-0 – Reynolds, Arthur – G26
1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Qc8 6. O-O c5 7. dxc5 Bxc5 8. b3 Nc6 9. Bb2 Qc7 10. Nc3 O-O-O
1938 Montevideo – Round 8 – Olivera, Alfredo – 1-0 – Canepa, Jose – G52
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Qc8 6. O-O c5 7. Bg5 cxd4 8. Bxf6 gxf6 9. Qxd4 Be7 10. Nc3 Qc5
1939 Buenos Aires ol f-A – Round 15 – Schmidt, Paul – 1/2-1/2 – Guimard, Carlos E – G296
1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. g3 e6 5. Bg2 Qc8 6. Nc3 Bb4 7. Bd2 O-O 8. O-O Bxc3 9. Bxc3 Ne4 10. Rc1 d6
1940 Buenos Aires – Round 1 – Bolbochan, Jacobo – 0-1 – Gromer, Aristide – G11
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Qc8 6. O-O Be7 7. Nc3 Ne4 8. Nxe4 Bxe4 9. b3 O-O 10. Bb2 d6
1940 Buenos Aires – Round 1 – Sulik, Adrian – 1/2-1/2 – Luckis, Marcos – G15
1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. c4 e6 5. Bg2 Qc8 6. Nc3 Bb4 7. O-O Bxc3 8. bxc3 O-O 9. Qb3 Nc6 10. Nd2 Na5
1960 Leipzig olm fin-C – Round 11 – Galeb, Antoine – 1/2-1/2 – Myagmarsuren, Lkhamsuren – G64
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Qc8 6. O-O c5 7. b3 Be7 8. Nc3 Ne4 9. Bb2 O-O 10. Nxe4 Bxe4
1961 Katowice ch18-POL – Round 2 – Tarnowski, Alfred – 1/2-1/2 – Kostro, Jerzy – G26
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Qc8 6. O-O c5 7. b3 cxd4 8. Bb2 Be7 9. Qxd4 Nc6 10. Qf4 Qb8
1967 ITA-ch28 Savona – Round 2 – Perich, Stefano – 1/2-1/2 – Magrin, Antonio – G3
1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 Qc8 5. c4 e6 6. Nc3 Bb4 7. O-O O-O 8. Qc2 d5 9. a3 Bxc3 10. Qxc3 dxc4
1968 Kecskemet Kecskemet HUN – Round 1 – Popov, Luben – 1/2-1/2 – Csom, Istvan – G4
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Qc8 6. Nc3 Bb4 7. Bd2 O-O 8. O-O Bxc3 9. Bxc3 Ne4 10. Rc1 Nxc3

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