Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● 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 Ok (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	mobile
Ruptures	● c4-c5, ● d4-d5	● …c7-c5, ● …d7-d5, ● …e6-e5

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 mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Jeu au centre (rupture c4-c5).

Atouts. Les Blancs s'appuient sur un contrôle dominant de f4, e5 et g5 et la colonne semi-ouverte b.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1) et le pion isolé a2.

Plans. d5 (Occuper le centre — 32 % des parties) ; Rd1 (13 % des parties) ; e4 (Occuper le centre — 9 % des parties) ; Nd2 (9 % des parties) ; Ne5 (Cavalier centralisé en e5 — 8 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Attaque sur l'aile roi (...f5 dans 58 % des parties).

Atouts. Les Noirs s'appuient sur des fous actifs en b7 et e7.

Côté adverse. Le pion isolé a2.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8 et la tour a8).

Plans. ...f5 (Attaque à l'aile roi — 58 % des parties) ; ...Nc6 (Développer b8 — 17 % des parties) ; ...d6 (Poussée — 9 % des parties) ; ...d5 (Occuper le centre — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

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

E18z — Old Main Line (1925)

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

Les coups candidats

9…f5 — 61.2% (375 parties)

Ambassadeurs : Besser, Hans (2x), Mangini, Jose Henrique de Mello (2x), Luca Mouton (2x), Bednar, Milan (2x), Nicholson, John (1x), Lees, David (1x), Zeitler, Hans-Juergen (1x), Jaeger, Willy (1x)

9…Nc6 — 17.6% (108 parties)

Ambassadeurs : Averbakh, Yuri L (2x), Rayner, Francis (2x), Kindij Igor (1x), Matanovic, Aleksandar (1x), Miguel, Nahuel (1x), Milic, Borislav (1x), Rossolimo, Nicolas (1x), Kan, Ilya A (1x)

9…d6 — 7.8% (48 parties)

Ambassadeurs : Cooke, Zarco (1x), Lee, Cecil (1x), Ravikumar, Vaidyanathan (1x), Wells, Ian D (1x), Hamm Kathrin (1x), Amelang, Astrid (1x), Buchanan, Richard W (1x), Dorff, S. (1x)

9…d5 — 4.4% (27 parties)

Ambassadeurs : Guimard, Carlos E (1x), Eliskases, Erich (1x), Stein, Leonid (1x), Ruchkin, Yuri (1x), Bachtiar, Arovah (1x), Rantanen, Matti (1x), Khan, Mohamed Rafiq (1x), Vukadinov, Milan (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	36	67%	6%	8%	11%
1800-2200	352	66%	14%	9%	3%
2200-2600	136	53%	27%	7%	1%
2600+	1	—	100%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9…f5	9…Nc6	9…d6	9…d5
1950s	19	47%	32%	—	11%
1960s	10	70%	20%	—	10%
1970s	19	47%	26%	11%	11%
1980s	25	64%	8%	8%	12%
1990s	118	59%	17%	11%	3%
2000s	156	62%	17%	8%	4%
2010s	201	64%	17%	7%	3%
2020s	65	58%	18%	8%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…f5	64%	58%	▼ -5.7%
9…Nc6	17%	18%	▲ +1.0%
9…d6	7%	8%	▲ +0.7%
9…d5	3%	3%	+0.1%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 2 parties

Parties historiques

9…f5 — 61.2% (375 parties)

1951 — Kan, Ilya A vs Aratovsky, Nikolay — 1-0 — Leningrad RUS
1951 — Guimard, Carlos E vs O'Kelly, Albéric de Galway — 1-0 — New York, NY USA
1952 — Bolbochan, Julio vs Mangini, Jose Henrique de Mello — 1/2-1/2 — Rio de Janeiro BRA
1954 — Olexa, Vilem vs Weiner, Milan — 0-1 — Prague CZE
1955 — Conen, Friedrich vs Groenegress, Wilfried — 1/2-1/2 — Detmold

9…Nc6 — 17.6% (108 parties)

1950 — Milic, Borislav vs Rossolimo, Nicolas — 0-1 — Paris FRA
1950 — Averbakh, Yuri L vs Pogats, Jozsef Jr. — 1-0 — Schiavno Zdroj
1951 — Kindij Igor vs Matanovic, Aleksandar — 1/2-1/2 — Sarajevo BIH
1953 — Miguel, Nahuel vs Averbakh, Yuri L — 0-1 — Zurich SUI
1955 — Kan, Ilya A vs Khachaturov, Andrey Andreevich — 1/2-1/2 — Moscow RUS

9…d6 — 7.8% (48 parties)

1978 — Cooke, Zarco vs Lee, Cecil — 1-0 — Buenos Aires ARG
1978 — Buchanan, Richard W vs Dorff, S. — 1-0 — Kellner mem,OH
1980 — Ravikumar, Vaidyanathan vs Wells, Ian D — 1-0 — Manchester open
1987 — Hamm Kathrin vs Amelang, Astrid — 1/2-1/2 — Glauchau
1992 — Pursiainen, Erkki vs Peltola, Mikko — 1/2-1/2 — Tampere TampY A

9…d5 — 4.4% (27 parties)

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
1975 — Cohn, Hans vs Klausen, Knud — 1-0 — Bad Berleburg
1976 — Gaspar, Vache vs Anguiano, Rolando — 1-0 — Caracas VEN

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