E18z — Queen’s Indian: Old Main Line, 8.Qc2 Nxc3 9.bxc3

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 Nxc3 9.bxc3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, case forte f4, case forte e5, case forte g5, paire de fous, colonne b.
Problèmes : Bc1 enfermé, Bg2 enfermé, arriéré c3, isolé a2.
Plans :
● Be3 — Développer Bc1
● h3 — Empêcher ...Bg4
● Rb — Tour sur colonne b

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : Bb7 actif, Be7 actif, paire de fous.
Faiblesses adverses : arriéré c3, isolé a2, Bc1 enfermé, Bg2 enfermé.
Plans :
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...d6 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E18z — Old Main Line

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 Nxc3 9.bxc3

Eval: [-0.23]

Les coups candidats

9…f5 — 60.2% (374 parties)

Ambassadeurs : Guimard, Carlos E (5x), Huba, Martin (3x), Van Scheltinga, Theo (2x), Kan, Ilya A (2x), Besser, Hans (2x), De Luca Ojeda, Giuliano (2x), Cipriani, Fernand (2x), Bednar, Milan (2x)

9…Nc6 — 18.7% (116 parties)

Ambassadeurs : Taimanov, Mark (2x), Guimard, Carlos E (2x), Kan, Ilya A (2x), Najdorf, Miguel (2x), Averbakh, Yuri L (2x), Rayner, Francis (2x), Matanovic, Aleksandar (2x), Jacobson, Ernst (1x)

9…d6 — 7.4% (46 parties)

Ambassadeurs : Nogues Acuna, Alejandro (1x), Garcia Vera, Oscar (1x), Ravikumar, Vaidyanathan (1x), Wells, Ian D (1x), Buchanan, Richard W (1x), Dorff, S. (1x), Zarco Castillo Jose (1x), Lee, Cecil (1x)

9…d5 — 4.5% (28 parties)

Ambassadeurs : Najdorf, Miguel (1x), Kremer, Leon (1x), Dimitrov Krastev, Krastjo (1x), Balchikliev, Mihail (1x), Guimard, Carlos E (1x), Eliskases, Erich (1x), Stein, Leonid (1x), Ruchkin, Yuri (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…f5	9…Nc6	9…d6	9…d5
<1800	16	69%	6%	6%	12%
1800-2200	298	66%	13%	8%	4%
2200-2600	151	54%	25%	8%	1%
2600+	1	—	100%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…f5	9…Nc6	9…d6	9…d5
1920s	4	—	50%	25%	—
1930s	11	55%	18%	—	9%
1940s	18	56%	33%	—	6%
1950s	19	47%	32%	—	11%
1960s	10	70%	20%	—	10%
1970s	18	50%	22%	11%	11%
1980s	25	64%	8%	8%	12%
1990s	118	59%	17%	11%	3%
2000s	155	62%	17%	8%	5%
2010s	198	64%	18%	7%	3%
2020s	45	56%	24%	4%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…f5	64%	56%	▼ -8.1%
9…Nc6	18%	24%	▲ +6.8%
9…d6	7%	4%	▼ -2.6%
9…d5	3%	2%	▼ -0.8%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 2 parties

Parties historiques

9…f5 — 60.2% (374 parties)

1931 — Vidmar Milan vs Colle, Edgar — 1/2-1/2 — Bled SLO
1931 — Vidmar, Marjeta vs Hanssen, Lasse Preben — 1-0 — Prague ol Prague CZE
1936 — Mulder, Erik vs Van Scheltinga, Theo — 1-0 — ?
1939 — Castro de Mendoza, R. vs Kerlin, G. — 1/2-1/2 — Buenos Aires ARG
1939 — Kerlin, Gerard vs Bolbochan, Jacobo — 1/2-1/2 — Buenos Aires ARG

9…Nc6 — 18.7% (116 parties)

1927 — Jacobson, Ernst vs Carls, Carl — 0-1 — London ENG
1928 — Zamikhovsky, Abram vs Konstantinopolsky, Alexander — 0-1 — ?
1936 — May, Dezso vs Najdorf, Miguel — 1/2-1/2 — Budapest HUN
1939 — Kan, Ilya A vs Lisitsin, Georgy — 0-1 — Leningrad ch-URS
1946 — Guimard, Carlos E vs O'Kelly, Albéric de Galway — 1-0 — Barcelona ESP

9…d6 — 7.4% (46 parties)

1929 — Nogues Acuna, Alejandro vs Garcia Vera, Oscar — 1-0 — Rosario ARG
1978 — Buchanan, Richard W vs Dorff, S. — 1-0 — Kellner mem,OH
1978 — Zarco Castillo Jose vs Lee, Cecil — 1-0 — Buenos Aires ARG
1980 — Ravikumar, Vaidyanathan vs Wells, Ian D — 1-0 — Manchester open
1987 — Hamm Kathrin vs Amelang, Astrid — 1/2-1/2 — Glauchau

9…d5 — 4.5% (28 parties)

1933 — Najdorf, Miguel vs Kremer, Leon — 1-0 — Warsaw POL
1943 — Dimitrov Krastev, Krastjo vs Balchikliev, Mihail — 1/2-1/2 — Sofia BUL
1954 — Guimard, Carlos E vs Eliskases, Erich — 1/2-1/2 — Mar del Plata ARG
1956 — Stein, Leonid vs Ruchkin, Yuri — 1-0 — Soviet Union
1960 — Bachtiar, Arovah vs Rantanen, Matti — 0-1 — Leipzig GER

	♔ Blancs	♚ Noirs
Pions doublés	● c3, ● c4	—
Pions isolés	● a2	—
Arriérés	● c3	—
Chaînes	● f2→g3, h2→g3, c3→d4	● a7→b6, c7→b6, d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0), ● f4 (2v0), ● e5 (2v0), ● g5 (2v1)	—
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● b	—

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 7)
Bg2	● Bg2 Enfermé (mob. 2)
Bb7		● Bb7 Actif (mob. 6)
Be7		● Be7 Actif (mob. 7)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	2 (b8, a8)

Sécurité du roi

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

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, ● …f7-f6, ● …f7-f5

Partie
1925 DSB-24.Kongress – Round 1 – Reti, Richard – 0-1 – Saemisch, Friedrich – G4 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. d4 Ne4 8. Qc2 Nxc3 9. bxc3 Qc8 10. e4 d6
1927 London olm – Round 6 – Jacobson, Ernst – 0-1 – Carls, Carl – G27 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Nc6 10. Nd2 Na5
1931 Bled – Round 10 – Vidmar Milan – 1/2-1/2 – Colle, Edgar – G135 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 Qc8
1931 Prague ol Prague CZE – Round 9 – Vidmar, Marjeta – 1-0 – Hanssen, Lasse Preben – G29 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 c6
1935 Moscow – Round 18 – Pirc, Vasja – 1/2-1/2 – Kan, Ilya A – G85 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. O-O Ne4 8. Qc2 Nxc3 9. bxc3 Qc8 10. e4 Nc6
1936 Budapest – Round 7 – May, Dezso – 1/2-1/2 – Najdorf, Miguel – G26 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb7 5. g3 Be7 6. Bg2 O-O 7. O-O Ne4 8. Qc2 Nxc3 9. bxc3 Nc6 10. e4 Na5
1936 Trade Unions – Round 1 – Chekhover, Vitaly – 0-1 – Mazel, Isaak Y – G11 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Qc8 10. e4 Nc6
1939 Leningrad ch-URS – Round 12 – Kan, Ilya A – 0-1 – Lisitsin, Georgy – G98 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Nc6 10. e4 Na5
1939 Leningrad/Moscow – Round 8 – Kan, Ilya A – 0-1 – Lilienthal, Andor – G62 1. Nf3 Nf6 2. c4 b6 3. d4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 Qc8
1944 Mar del Plata – Round 14 – Guimard, Carlos E – 1-0 – Flores Alvarez, Rodrigo – G109 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. O-O Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 Na6
1946 Barcelona – Round 3 – Guimard, Carlos E – 1-0 – O'Kelly, Albéric de Galway – G22 1. Nf3 Nf6 2. c4 b6 3. d4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Nc6 10. Ne5 Na5
1946 Groningen – Round 19 – Guimard, Carlos E – 1/2-1/2 – Denker, Arnold S – G82 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. g3 e6 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 Na6
1946 Mar del Plata – Round 4 – Guimard, Carlos E – 1-0 – Maccioni, Alejandro – G49 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. g3 Be7 6. Bg2 O-O 7. O-O Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 Qc8
1946 Nt Regensburg GER – Round 2 – Wotkowski, Sigmund – 0-1 – Unzicker, Wolfgang – G5 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Nc6 10. e4 Na5
1948 It (Men) Mar Del Plata ARG – Round 17 – Abadia Castillo, Mateo – 0-1 – Bolbochan, J. – G10 1. c4 Nf6 2. d4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 Qc8
1948 Mar del Plata – Round 11 – Guimard, Carlos E – 1/2-1/2 – De Freitas, Manuela Schmitz – G91 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Nc6 10. Ne5 Na5
1948 Moskou ch-URS – Round 1 – Furman, Slavomir – 1-0 – Taimanov, Mark E – G13 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Nc6 10. Nd2 Na5
1948 URS-ch16 – Round 10 – Abramovich Furman, Semyon – 1-0 – Taimanov, Mark E – G5 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Nc6 10. Nd2 Na5
1949 Mar del Plata – Round 7 – Guimard, Carlos E – 1-0 – Michel, Pascal – G68 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 c5
1950 Schiavno Zdroj – Round 1 – Averbakh, Yuri L – 1-0 – Pogats, Jozsef Jr. – G131 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. Nc3 O-O 7. d4 Ne4 8. Qc2 Nxc3 9. bxc3 Nc6 10. Nd2 Na5
1951 Wertheim Memorial – Round 7 – Guimard, Carlos E – 1-0 – O'Kelly, Albéric de Galway – G40 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 Na6
1951 YUG Ch 7th – Round 13 – Kindij Igor – 1/2-1/2 – Matanovic, Aleksandar – G106 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Nc6 10. Nd2 Na5
1952 Rio de Janeiro – Round 11 – Bolbochan, Julio – 1/2-1/2 – Mangini, Jose Henrique de Mello – G64 1. Nf3 Nf6 2. c4 b6 3. d4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 c5
1953 Candidats Tournament – Round 22 – Najdorf, Miguel – 0-1 – Averbakh, Yuri L – G141 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Nc6 10. Ne5 Na5
1953 Mar del Plata – Round 5 – Najdorf, Miguel – 1-0 – Burgalat, Francisco J – G63 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Qc8 10. d5 Na6
1954 CSR Ch – Round 1.8 – Olexa, Vilem – 0-1 – Weiner, Milan – G8 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 Qc8
1954 Mar del Plata – Round 2 – Guimard, Carlos E – 1/2-1/2 – Eliskases, Erich – G15 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 d5 10. cxd5 exd5
1955 Moscow m – Round 9 – Kan, Ilya A – 1/2-1/2 – Khachaturov, Andrey Andreevich – G9 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Nc6 10. Ne5 Na5
1956 Montevideo – Round ? – Alvarez del Monte, Jose – 1/2-1/2 – Isain, Pedros Santos – G55 1. d4 Nf6 2. c4 b6 3. Nf3 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 Qc8
1957 EU Team Ch – Round 3 – Jaeger, Willy – 1-0 – Blatny, Frantisek – G21 1. c4 Nf6 2. d4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 Qc8
1959 Asztalos Memorial – Round 9 – Kluger, Gyula – 1/2-1/2 – Ujtelky, Maximilian – G43 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 Na6
1963 Sochi – Round 10 – Kholmov, Ratmir D – 1/2-1/2 – Polugaevsky, Lev – G59 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 Na6
1965 Kiel Open – Round 7 – Besser, Hans – 1-0 – Zeitler, Hans-Juergen – G37 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 e6 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 f5 10. d5 exd5
41. Olympiad Open 2014 – Round 2.12 – Munoz Sanchez, Miguel – 0-1 – L'Ami, Erwin – G94 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. bxc3 Nc6 10. Ne5 Na5

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