E19j — Queen’s Indian: Old Main Line, 9.Qxc3 c5

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 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte f4….

Atouts. Les Blancs s'appuient sur les cases fortes f4, e5 et g5 et la paire de fous.

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

Plan principal. Jeu au centre (rupture d7-d6).

Atouts. Les Noirs s'appuient sur des fous actifs en b7 et e7 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. ...Nc6 (Développer Nb8) ; ...d6 (Rupture) ; ...d5 (Rupture) ; ...e5 (Rupture) ; ...f6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b6→c5, a7→b6, d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bb7		● Bb7 Actif (mob. 6)
Be7		● Be7 Actif (mob. 4)
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	● …d7-d6, ● …d7-d5, ● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
1934 Ujpest – Round 1 – Frydman, Paulino – 0-1 – Eliskases, Erich – G53 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. Be3 Nc6
1935 Lodz – Round 3 – Appel, Izaak – 0-1 – Steiner, Lajos – G4 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. Qc2 Qc8
1935 Warsaw olm – Round 14 – Monticelli D Elias, Maria Lucia – 0-1 – Najdorf, Miguel – G51 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. dxc5 bxc5
1935 Warsaw POL – Round 2 – Opocensky, Karel – 0-1 – Lilienthal, Andor – G12 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. Be3 Nc6
1937 Stockholm ol (Men) – Round 4 – Grau, Roberto G – 1-0 – Szabo, Laszlo – G10 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. Be3 cxd4
1937 Stockholm SWE – Round 2 – Pirc, Vasja – 1/2-1/2 – Lilienthal, Andor – 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. Qxc3 c5 10. dxc5 bxc5
1938 Bad Harzburg – Round 1 – Petrov, Vladimir S. – 1/2-1/2 – Saemisch, Friedrich – G2 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 c5 10. Bf4 d6
1939 Buenos Aires Circulo – Round ? – Palau, Luis – 1/2-1/2 – Luckis, Marcos – G52 1. d4 Nf6 2. Nf3 b6 3. g3 e6 4. Bg2 Bb7 5. c4 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O c5 10. Qc2 Qc8
1946 POL Ch – Round 18 – Szapiro, Marek – 1-0 – Plater, Kazimierz – G105 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 c5 10. dxc5 bxc5
1952 Helsinki olm – Round 1 – Litmanowicz, Wladyslaw – 1/2-1/2 – Cobo Arteaga, Eldis – G82 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. Qxc3 c5 10. dxc5 bxc5
1961 Moscow Ch – Round ? – Simagin, Vladimir – 1/2-1/2 – Shamkovich, Leonid – G56 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. Qxc3 c5 10. Be3 d6
1962 Paris FRA – Round ? – Huguet, Bernard – 0-1 – Conan, Claude – G1 1. c4 Nf6 2. d4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O c5 10. Qc2 Nc6
1963 Paris FRA – Round 2 – Huguet, Bernard – 1/2-1/2 – Conan, Claude – G3 1. c4 Nf6 2. d4 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. dxc5 bxc5
1964 Belgrade – Round 7 – Bronstein, David I – 1/2-1/2 – Spassky, Boris Vasily – G51 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. Qxc3 c5 10. Be3 d6
1964 Liberation – Round 7 – Bronstein, David I – 1/2-1/2 – Spassky, Boris V. – G18 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. Qxc3 c5 10. Be3 d6
1965 Capablanca Memorial – Round 2 – Kholmov, Ratmir D – 1/2-1/2 – Parma, Bruno – G20 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. Qxc3 c5 10. Be3 d6
1969 Venice – Round 4 – Ivkov, Borislav – 1/2-1/2 – Lengyel, Levente – G25 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. Be3 d6
1969 Vilnius – Round 1 – Faibisovich, Vadim Z – 0-1 – Anikaev, Yuri N – G10 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Qd3 Nxc3 9. Qxc3 c5 10. Bf4 cxd4
1975 Portoroz/Ljubljana – Round 13 – Osterman, Rudolf – 1/2-1/2 – Parma, Bruno – G42 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O c5 10. Be3 d6

E19j — 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

Eval: [+0.41]

Les coups candidats

10.Rd1 — 69.6% (1942 parties) →

Ambassadeurs : Andersson, Ulf (23x), Karpov, Anatoly (20x), Weber, Karlheinz (19x), Da Silva Filho, Alcindo Luz Bastos (16x), Timman, Jan H (13x), Ilyasov, Anatoly Fedorovich (13x), Kýhos, Alois (12x), Langer, Raimund (12x)

10.b3 — 7.8% (217 parties) →

Ambassadeurs : Ivkov, Borislav (9x), Ribli, Zoltan (8x), Andersson, Ulf (7x), Portisch, Lajos (6x), Beliavsky, Alexander G (5x), Gheorghiu, Florin (4x), Almasi, Zoltan (3x), Ftacnik, Lubomir (3x)

10.dxc5 — 7.1% (199 parties)

Ambassadeurs : Najdorf, Miguel (3x), Goglidze, Viktor (1x), Lisitsin, Georgy (1x), Pirc, Vasja (1x), Lilienthal, Andor (1x), Monticelli, Mario (1x), Monticelli D Elias, Maria Lucia (1x), Szapiro, Marek (1x)

10.Bf4 — 6.7% (187 parties)

Ambassadeurs : Bares, Jirí (5x), Portych, Václav (4x), Chitescu, Ioan (4x), Voronin, Alexandr (3x), Otspere, Urmas (3x), Kýhos, Alois (3x), Anikaev, Yuri N (2x), Jones, Brian (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.Rd1	10.b3	10.dxc5	10.Bf4
<1800	46	67%	4%	11%	7%
1800-2200	872	69%	5%	8%	9%
2200-2600	1325	70%	10%	6%	6%
2600+	92	75%	21%	1%	2%

Évolution par décennie (% des parties)

Décennie	N parties	10.Rd1	10.b3	10.dxc5	10.Bf4
1930s	18	28%	—	28%	11%
1940s	6	83%	—	17%	—
1950s	1	—	—	100%	—
1960s	33	52%	12%	6%	3%
1970s	199	69%	12%	6%	2%
1980s	207	66%	15%	5%	2%
1990s	319	58%	13%	12%	4%
2000s	655	76%	6%	7%	3%
2010s	1227	71%	6%	6%	11%
2020s	127	69%	8%	10%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.Rd1	71%	69%	▼ -1.9%
10.b3	6%	8%	▲ +2.3%
10.dxc5	6%	10%	▲ +4.7%
10.Bf4	11%	5%	▼ -6.6%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 10 parties
Karpov, Aleksandr — 10 parties
Tal, Mikhail — 7 parties
Smyslov, Vladimir — 5 parties
Anand, Viswanathan — 3 parties
Euwe, Max — 1 partie
Kramnik, Vladimir — 1 partie
Hou, Yifan — 1 partie

Parties historiques

10.Rd1 — 69.6% (1942 parties)

1936 — Vidmar, Marjeta vs Eliskases, Erich — 1/2-1/2 — Hastings ENG
1937 — De Groot, Adriaan vs Ojanen, Kaarle S — 1/2-1/2 — Stockholm SWE
1937 — Bernstein, Sidney vs Marshall Viele, Fabrizio Aaron — 0-1 — New York, NY USA
1937 — Bogoljubow, Efim vs Saemisch, Friedrich — 1-0 — Bad Nauheim
1939 — Engels, Ludwig vs Eliskases, Erich — 1/2-1/2 — Bad Oeynhausen ch-GER

10.b3 — 7.8% (217 parties)

1966 — Toran, Roman vs Tal, Michael — 1/2-1/2 — Palma de Majorca ESP
1966 — Pomar Salamanca, Arturo vs Spassky, Boris Vasily — 1/2-1/2 — Havana CUB
1966 — Meza Pomar, Aroa vs Portisch, Lajos — 1/2-1/2 — Havana CUB
1968 — Sapi, Laszlo vs Lengyel, Agnes — 1/2-1/2 — HUN
1970 — Ivkov, Borislav vs Gheorghiu, Florin — 1/2-1/2 — Budapest HUN

10.dxc5 — 7.1% (199 parties)

1935 — Monticelli, Mario vs Najdorf, Miguel — 0-1 — Warsaw ol ;HCL 36
1935 — Monticelli D Elias, Maria Lucia vs Najdorf, Miguel — 0-1 — Warsaw POL
1937 — Goglidze, Viktor vs Lisitsin, Georgy — 1/2-1/2 — Ch URS Tbilisi GEO
1937 — Pirc, Vasja vs Lilienthal, Andor — 1/2-1/2 — Stockholm SWE
1939 — Lauberte, Milda vs De Vigil, MA. — 1/2-1/2 — Buenos Aires ARG

10.Bf4 — 6.7% (187 parties)

1937 — Baad Schmidt, Noah vs Najdorf, Rafael — 0-1 — Stockholm SWE
1938 — Petrov, Vladimir S. vs Saemisch, Friedrich — 1/2-1/2 — Bad Harzburg
1969 — Faibisovich, Vadim Z vs Anikaev, Yuri N — 0-1 — Vilnius LTU
1970 — Naranja, Renato vs Johannessen, Simon T — 0-1 — Siegen olm
1976 — Giorgadze, Tamaz vs Anikaev, Yuri N — 1-0 — Tbilisi GEO

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