E19n — Queen’s Indian: Old Main Line, 9.Qxc3 c5 10.Rd1 d6 11.b3

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.Qxc3 c5 10.Rd1 d6 11.b3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte c4, case forte f4, case forte g5, paire de fous.
Faiblesses adverses : Be7 mauvais fou.
Problèmes : Bc1 enfermé.
Plans :
● Be3 — Développer Bc1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : Bb7 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé.
Plans :
● ...Nbd7 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...d5 — Rupture
● ...e5 — Rupture
● ...f6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E19n — 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.Qxc3 c5 10.Rd1 d6 11.b3

Eval: [+0.26]

Les coups candidats

11…Bf6 — 90.3% (989 parties) →

Ambassadeurs : Karpov, Anatoly (15x), Andersson, Ulf (15x), Da Silva Filho, Alcindo Luz Bastos (15x), Timman, Jan H (12x), Weber, Karlheinz (12x), Ilyasov, Anatoly Fedorovich (11x), Kýhos, Alois (8x), Langer, Raimund (8x)

11…Nd7 — 5.8% (63 parties)

Ambassadeurs : Yermolinsky, Alex (2x), Karpov, Aleksandr (2x), Weber, Karlheinz (2x), Vekelis, Gintaras (2x), Galia, Karl (1x), Saemisch, Friedrich (1x), Hernandez Onna, Roman (1x), Garcia Gonzales, Guillermo (1x)

11…Nc6 — 1.8% (20 parties)

Ambassadeurs : Shchebenyuk, Mikhail Pavlovich (2x), Ilincic, Zlatko (2x), Berkovich, Mark A (2x), Molzahn, Norbert (2x), Ragozin, Viacheslav (1x), Kotov Lundqvist, Alex (1x), Ivkov, Borislav (1x), Matanovic, Aleksandar (1x)

11…Qc7 — 1.7% (19 parties)

Ambassadeurs : Karpov, Anatoly (1x), Pomar Salamanca, Arturo (1x), Hort, Vlastimil (1x), Balashov, Yuri (1x), Timman, Jan H (1x), Karpov, Aleksandr (1x), Berdichesky, Ruben (1x), De Paola Schettino, Luis (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	11…Bf6	11…Nd7	11…Nc6	11…Qc7
<1800	14	93%	7%	—	—
1800-2200	348	93%	3%	1%	2%
2200-2600	517	89%	7%	3%	1%
2600+	47	89%	6%	—	4%

Évolution par décennie (% des parties)

Décennie	N parties	11…Bf6	11…Nd7	11…Nc6	11…Qc7
1940s	2	—	50%	50%	—
1960s	4	75%	—	25%	—
1970s	71	77%	15%	4%	3%
1980s	71	90%	3%	3%	3%
1990s	102	90%	7%	1%	2%
2000s	249	91%	6%	1%	1%
2010s	553	92%	5%	2%	2%
2020s	43	98%	2%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
11…Bf6	92%	98%	▲ +6.0%
11…Nd7	5%	2%	▼ -2.4%
11…Nc6	2%	0%	▼ -1.6%
11…Qc7	2%	0%	▼ -2.0%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 10 parties
Karpov, Aleksandr — 5 parties
Smyslov, Vladimir — 3 parties
Tal, Mikhail — 3 parties
Kramnik, Vladimir — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

11…Bf6 — 90.3% (989 parties)

1967 — Zhidkov, Valery S vs ? — 1/2-1/2 — Kiev UKR
1968 — Ivkov, Borislav vs Korchnoi, Viktor — 0-1 — 18th Olympiad final A
1968 — Gheorghiu, Florin vs Korchnoi, Viktor — 0-1 — Palma de Majorca ESP
1970 — Ivkov, Borislav vs Polugaevsky, Lev — 1/2-1/2 — Palma de Mallorca izt
1970 — O'Kelly de Galway, Alberic vs Hecht, Hans-Joachim — 1/2-1/2 — Bad Pyrmont GER

11…Nd7 — 5.8% (63 parties)

1948 — Galia, Karl vs Saemisch, Friedrich — 1-0 — Lucerne SUI
1970 — Thorbergsson, Freysteinn vs Hecht, Hans-Joachim — 0-1 — Siegen olm
1976 — Kraidman, Yair vs Smyslov, Vladimir — 0-1 — Hastings ENG
1976 — Lakic, Nikola vs Andersson, Ulf — 1/2-1/2 — Banja Luka BIH
1976 — Petrosian, Tigran A. vs Karpov, Aleksandr — 1/2-1/2 — Moskou ch-URS

11…Nc6 — 1.8% (20 parties)

1940 — Ragozin, Viacheslav vs Kotov Lundqvist, Alex — 1-0 — Moskou ch-URS
1969 — Ivkov, Borislav vs Matanovic, Aleksandar — 1/2-1/2 — Raach
1972 — Mista, Ladislav vs Damjanovic, Mato — 1/2-1/2 — Cienfuegos City CUB
1978 — Dorfman, Iossif vs Sosonko, Gennadi — 1/2-1/2 — Sao Paulo BRA
1979 — Rind, Bruce vs Ayyar, Rajan — 1-0 — Lone Pine, CA USA

11…Qc7 — 1.7% (19 parties)

1977 — Karpov, Anatoly vs Pomar Salamanca, Arturo — 1-0 — Las Palmas ESP
1978 — Hort, Vlastimil vs Balashov, Yuri — 1/2-1/2 — Bugojno BIH
1980 — Timman, Jan H vs Karpov, Aleksandr — 1/2-1/2 — Amsterdam NED
1983 — Berdichesky, Ruben vs De Paola Schettino, Luis — 1-0 — ?
1992 — Penafiel Lopez, Juan vs Groot, Peter J A — 1/2-1/2 — ICCF

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● b6→c5, d6→c5, a7→b6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● c4 (2v0), ● f4 (2v0), ● g5 (2v1)	—
Cases faibles	—	—
Centre	● d4 (3v1), ● e5 (2v1)	● d5 (2v1), ● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 7)
Bg2	● Bg2 Ok (mob. 3)
Bb7		● Bb7 Actif (mob. 6)
Be7		● Be7 Mauvais (mob. 3)
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	● d4-d5, ● e2-e3	● …d6-d5, ● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
1940 Moskou ch-URS – Round 1 – Ragozin, Viacheslav – 1-0 – Kotov Lundqvist, Alex – G129 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. Rd1 d6
1969 Raach zt – Round 20 – Ivkov, Borislav – 1/2-1/2 – Matanovic, Aleksandar – G162 1. c4 e6 2. Nf3 Nf6 3. Nc3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. Rd1 d6
Bugojno 1978 – Round 13 – Hort, Vlastimil – 1/2-1/2 – Balashov, Yuri S – G73 1. c4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. Rd1 d6
IBM 1980 – Round 1 – Timman, Jan H – 1/2-1/2 – Karpov, Anatoly – G8 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. Qxc3 c5 10. Rd1 d6
Las Palmas 1977 – Round 5 – Karpov, Anatoly – 1-0 – Pomar Salamanca, Arturo – G8 1. c4 e6 2. d4 Nf6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. Rd1 d6
Melody Amber, Rapidplay, Monaco 1995 – Round 3 – Karpov, Anatoly – 1-0 – Ivanchuk, Vasyl – G10 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. O-O Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. Rd1 d6
Moskou ch-URS 1976 – Round 1 – Petrosian, Tigran V. – 1/2-1/2 – Karpov, Anatoly – G41 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. d4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. Rd1 d6

1940 Moskou ch-URS – Round 1 – Ragozin, Viacheslav – 1-0 – Kotov Lundqvist, Alex – G129

1969 Raach zt – Round 20 – Ivkov, Borislav – 1/2-1/2 – Matanovic, Aleksandar – G162

Bugojno 1978 – Round 13 – Hort, Vlastimil – 1/2-1/2 – Balashov, Yuri S – G73

IBM 1980 – Round 1 – Timman, Jan H – 1/2-1/2 – Karpov, Anatoly – G8

Las Palmas 1977 – Round 5 – Karpov, Anatoly – 1-0 – Pomar Salamanca, Arturo – G8

Melody Amber, Rapidplay, Monaco 1995 – Round 3 – Karpov, Anatoly – 1-0 – Ivanchuk, Vasyl – G10

Moskou ch-URS 1976 – Round 1 – Petrosian, Tigran V. – 1/2-1/2 – Karpov, Anatoly – G41