E19c — Queen’s Indian: Old Main Line, 9.Qxc3 d6 10.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 d6 10.b3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes f4 et g5 et la paire de fous.

Côté adverse. Un mauvais fou en e7.

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

Plans. Be3 (Développer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur un fou actif en b7 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et g2.

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

Plans. ...Nbd7 (Développer Nb8) ; ...Bg4 (Clouer Nf3) ; ...c6 (Rupture) ; ...c5 (Rupture) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● a7→b6, c7→b6, c7→d6, f7→e6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 7)
Bg2	● Bg2 Enfermé (mob. 2)
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	● c4-c5, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d6-d5, ● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
1927 Kecskemet II – Round ? – Levay, Sorin – 0-1 – Rejfir, Josef – G19 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. Qxc3 d6 10. b3 Nd7
1940 Rakovnik – Round 10 – Treybal, Karel – 0-1 – Opocensky, Karel – G55 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 d6 10. b3 Nd7
1949 Vienna – Round 7 – Kottnauer, Cenek – 1-0 – Cs. Kovacs, Laszlo – G16 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. d4 e6 5. c4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 Nd7
1950 Dubrovnik olm – Round 1 – Porreca, Giorgio – 1/2-1/2 – Ojanen, Kaarle S – G27 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. Qxc3 d6 10. b3 Qc8
1951 Hungary Ch – Round 3 – Laszlo, Dalma – 1-0 – Negyesy, Gyorgy – G35 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 Be4
1958 Munich olm prel – Round 8 – Prameshuber, Alexander – 1-0 – Reilly, Brian – G72 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. d4 Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 Nd7
1958 WchT U26 fin-A 05th – Round 3 – Filip, Miroslav – 1/2-1/2 – Panno, Oscar – G28 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. g3 Be7 6. Bg2 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O d6 10. b3 Nd7
1959 CSR Ch – Round 17 – Ujtelky, Maximilian – 1/2-1/2 – Blatny, Frantisek – G136 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. c4 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O d6 10. b3 Nd7
1959 Dresden – Round 14 – Lokvenc, Joseph – 1/2-1/2 – Fichtl, Jiri – G100 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 d6 10. b3 Nd7
1961 Bled – Round 7 – Najdorf, Miguel – 1/2-1/2 – Keres, Paul Petrovich – G69 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 d6 10. b3 Nd7
1962 Skopje ch17-YUG – Round 1 – Pirc, Vasja – 1/2-1/2 – Matanovic, Aleksandar – G89 1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 Nd7
1963 Capablanca Memorial – Round 18 – Acevedo Ortega, Rodrigo Andres – 1/2-1/2 – Jimenez Zerquera, Eleazar – G170 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qd3 Nxc3 9. Qxc3 d6 10. b3 Nd7
1966 La Habana olm fin-A – Round 8 – Pietzsch, Wolfgang – 1/2-1/2 – Spassky, Boris Vasily – G22 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 Nd7
1966 Moscow Tch-SU – Round 1 – Keres, Paul Petrovich – 1/2-1/2 – Spassky, Boris Vasily – 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. Qxc3 d6 10. b3 Nd7
1967 Moscow – Round 1 – Bobotsov, Milko G – 1/2-1/2 – Smyslov, Vladimir – G53 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O d6 10. b3 Nd7
1968 Monte Carlo – Round 12 – Larsen, Benjamin Holsko – 1/2-1/2 – Smyslov, Vladimir – G74 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 d6 10. b3 Nd7
1968 Palma de Mallorca – Round 12 – Ivkov, Borislav – 1/2-1/2 – Matanovic, Aleksandar – G105 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 d6 10. b3 Nd7
1968 Palma de Mallorca – Round 17 – Ivkov, Borislav – 1/2-1/2 – Gheorghiu, Florin – G150 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 d6 10. b3 c5
1968 Rubinstein Memorial – Round 5 – Simagin, Vladimir – 1/2-1/2 – Smyslov, Vasily – G31 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 d6 10. b3 Nd7
1969 YUG Ch 24th – Round 16 – Stupica, Janez – 1/2-1/2 – Matanovic, Aleksandar – G60 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 d6 10. b3 Qe8
1972 Skopje ol (Men) fin-A – Round 1 – Ivkov, Borislav – 1-0 – Lombard, Andre – G94 1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 c5
1972 Skopje ol (Men) fin-A – Round 15 – Filip, Marius Liviu – 1/2-1/2 – Timman, Jan H – G164 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Be7 5. Bg2 Bb7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 c5
79. Tata Steel GpA 2017 – Round 13.7 – Giri, Anish – 1/2-1/2 – Eljanov, Pavel – G90 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 d6 10. b3 Nd7
Bugojno 1980 – Round 11 – Tal, Mikhail – 1/2-1/2 – Ivkov, Borislav – G43 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 f5
Madrid 1973 – Round 4 – Tukmakov, Vladimir B – 1/2-1/2 – Karpov, Anatoly – G9 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 Nd7
Mar del Plata 1982 – Round 1 – Andersson, Ulf 1949 – 1/2-1/2 – Najdorf, Miguel – G13 1. c4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. d4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 Nd7
World Rapid 2016 – Round 1.9 – Radjabov, Teimour – 1/2-1/2 – Anton Guijarro, David – G48 1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 a5

E19c — 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 d6 10.b3

Eval: [+0.16]

Les coups candidats

10…Nd7 — 65.7% (230 parties)

Ambassadeurs : Vila Hernández, Carlos (6x), Ilyasov, Anatoly Fedorovich (4x), Smyslov, Vladimir (2x), Keres, Paul Petrovich (2x), Spassky, Boris Vasily (2x), Matanovic, Aleksandar (2x), Najdorf, Miguel (2x), Ivkov, Borislav (2x)

10…c5 — 13.1% (46 parties)

Ambassadeurs : Ivkov, Borislav (6x), Gheorghiu, Florin (3x), Ek, Hans (2x), Matanovic, Aleksandar (2x), Henttinen, Markku I.O. (2x), Karpov, Aleksandr (2x), Johansson, Martin 1979 (1x), Pachman, Ludek (1x)

10…f5 — 11.7% (41 parties)

Ambassadeurs : Novak, Ervin (2x), Hort, Vlastimil (2x), Bragin, Artem (2x), Lancz, Ondrej (2x), Trevelyan, John (2x), Filipcic, Martin (1x), Radojcic, Slobodan (1x), Augustin, Josef (1x)

10…Bf6 — 4.9% (17 parties)

Ambassadeurs : Chernin, Alexander (1x), Ivanchuk, Vasyl (1x), Bronstein, Luis Marcos (1x), Kurtic, Adi (1x), Gralka, Julian (1x), Sydor, Andrzej (1x), Hoti, Safet (1x), Schmidt, Frank II (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10…Nd7	10…c5	10…f5	10…Bf6
<1800	6	67%	—	—	17%
1800-2200	117	69%	9%	14%	5%
2200-2600	164	67%	16%	9%	5%
2600+	9	44%	22%	22%	—

Évolution par décennie (% des parties)

Décennie	N parties	10…Nd7	10…c5	10…f5	10…Bf6
1920s	1	100%	—	—	—
1940s	5	80%	—	20%	—
1950s	10	60%	—	—	—
1960s	17	59%	18%	12%	—
1970s	24	25%	46%	21%	4%
1980s	19	37%	21%	26%	11%
1990s	24	46%	17%	25%	12%
2000s	62	71%	13%	13%	3%
2010s	130	73%	12%	9%	3%
2020s	58	79%	2%	3%	9%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10…Nd7	73%	79%	▲ +6.2%
10…c5	12%	2%	▼ -9.8%
10…f5	9%	3%	▼ -5.8%
10…Bf6	3%	9%	▲ +5.5%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Aleksandr — 3 parties
Smyslov, Vladimir — 2 parties
Tal, Mikhail — 1 partie

Parties historiques

10…Nd7 — 65.7% (230 parties)

1927 — Levay, Sorin vs Rejfir, Josef — 0-1 — Kecskemet II
1940 — Treybal, Karel vs Opocensky, Karel — 0-1 — Rakovnik
1942 — Levin, Jerome A vs Aubry Levy, Leonard — 1/2-1/2 — Ventnor City
1949 — Boleslavsky, Isaac vs Chekhover, Vitaly — 1-0 — Odessa UKR
1949 — Kottnauer, Cenek vs Cs. Kovacs, Laszlo — 1-0 — Vienna AUT

10…c5 — 13.1% (46 parties)

1966 — Ek, Hans vs Johansson, Martin 1979 — 1/2-1/2 — Eskilstuna SWE
1967 — Pachman, Ludek vs Gheorghiu, Florin — 1/2-1/2 — Moscow RUS
1968 — Ivkov, Borislav vs Gheorghiu, Florin — 1/2-1/2 — Palma de Majorca ESP
1970 — Ivkov, Borislav vs Gheorghiu, Florin — 1/2-1/2 — Budapest HUN
1971 — Pfleger, Helmut, Dr. vs Karpov, Aleksandr — 1/2-1/2 — Hastings ENG

10…f5 — 11.7% (41 parties)

1945 — Filipcic, Martin vs Radojcic, Slobodan — 1/2-1/2 — Novi Sad SRB
1965 — Augustin, Josef vs Novak, Ervin — 1/2-1/2 — Pardubice CZE
1968 — Peltonen, Usko vs Huuskonen, Veli-Matti — 1/2-1/2 — ?
1971 — Friedman, Shmuel vs Bernstein, Yaacov — 1/2-1/2 — Nathanya
1972 — Smejkal, Jan vs Hort, Vlastimil — 1/2-1/2 — Trinec CZE

10…Bf6 — 4.9% (17 parties)

1978 — Gralka, Julian vs Sydor, Andrzej — 1/2-1/2 — Krakow POL
1984 — Bronstein, Luis Marcos vs Kurtic, Adi — 1/2-1/2 — Casilda
1988 — Chernin, Alexander vs Ivanchuk, Vasyl — 1/2-1/2 — New York open
1997 — Tvrdon, Peter vs Korbela, Lubomir — 1/2-1/2 — Slovakia
1998 — Duboc, Antoine vs Davies, Paul S — 1-0 — Witley ENG

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