E19b — Queen’s Indian: Old Main Line, 9.Qxc3 d6

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 * ○ 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 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

Plan principal. Jeu au centre (rupture c7-c6).

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) ; ...c6 (Rupture) ; ...c5 (Rupture) ; ...d5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● 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. 5)
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
1925 Debrecen – Round 1 – Asztalos, Lajos – 1/2-1/2 – Tartakower, Savielly – G28 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. Rd1 Nd7
1926 DSV Kongress – Round 7 – Gilg, Karl – 1-0 – Bluemich, Max – G28 1. d4 Nf6 2. c4 b6 3. Nf3 Bb7 4. g3 e6 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qd3 f5
1926 Semmering – Round 1 – Gilg, Karl – 1/2-1/2 – Kmoch, Hans – G35 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. Qd3 c6
1927 Kecskemet I – Round 1 – Takacs, Sandor – 0-1 – Asztalos, Lajos – G1 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qc2 Nd7
1927 Prague Evony – Round 1 – Rejfir, Josef – 1-0 – Thelen, Bedrich – G1 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qd3 Qc8
1930 Hamburg olm – Round 1 – Mueller, Hans – 1-0 – Landau Salomon – G56 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. Qxc3 d6 10. Qc2 f5
1931 Praag predolympijsky – Round ? – Makarczyk, Kazimierz – 1-0 – Rejfir, Josef – 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. Qxc3 d6 10. Qd3 Qc8
1935 Mollet – Round 1 – Capdevila Vallve, Jordi – 0-1 – Fallet Kahn, Victor – G2 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qc2 Qc8
1937 Stockholm SWE – Round 12 – Guimard, Carlos Enrique – 1/2-1/2 – Van Scheltinga, Theo – G54 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. Qc2 f5
1937 Stockholm SWE – Round 4 – Kashdan, Isaac – 1-0 – Vukovic, Sava – G20 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. Qd3 f5
1938 I Torneo Magistrale Edoardo Balbontin – Round 6 – Ferrantes, Giovanni – 0-1 – Castaldi, Vincenzo – G4 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O d6 10. Qc2 Nd7
1939 Buenos Aires ol f-A – Round 3 – Alekhine, Alexander – 1/2-1/2 – Keres, Paul – G49 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. Qc2 f5
1940 Budapest – Round 1 – Vidmar, Marjeta – 1/2-1/2 – Szabo, Ladislav – G1 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. Qc2 f5
1940 Moskou ch-URS – Round ? – Lilienthal, Andor – 1-0 – Botvinnik, Mikhail – G154 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. Qc2 f5
1943 Mar del Plata – Round 3 – Rossetto, Hector – 0-1 – Stahlberg, Gideon – G25 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. Ne1 Bxg2
1943 Mar del Plata – Round 5 – Iliesco, Juan – 0-1 – Najdorf, Miguel – G42 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. Qxc3 d6 10. Qc2 Qc8
1943 Mar del Plata – Round 7 – Maderna, Carlos – 0-1 – Bolbochan, J. – G51 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. Qc2 f5
1945 Buenos Aires Circulo – Round 7 – Maderna, Carlos – 0-1 – Najdorf, Miguel – G23 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. Qc2 f5
1945 Moskou ch-URS – Round 1 – Koblencs, Alexander – 0-1 – Goldberg, Grigory A – G62 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O d6 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 O-O 10. Ne1 Bxg2
1945 Novi Sad – Round 7 – Rabar, Braslav – 1/2-1/2 – Vukovic, Sava – G88 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 d6 10. Rd1 Nd7
1945 Vina del Mar – Round 7 – Guimard, Carlos E – 1-0 – Castillo Larenas, Mariano – G23 1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qc2 f5
1946 Groningen – Round 17 – Kottnauer, Cenek – 1-0 – Denker, Arnold S – G72 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. d4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qc2 Qc8
1946 Staunton, Groningen NED – Round 2 – Szabo, Ladislav – 0-1 – Denker, Arnold S – G6 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. Qc2 Nc6
1946 YUG Ch – Round 8 – Milic, Borislav – 1/2-1/2 – Vukovic, Sava – G13 1. Nf3 Nf6 2. d4 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. Qc2 f5
1947 Mar del Plata – Round 1 – Eliskases, Erich – 1-0 – Rossetto, Hector – G17 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. Qxc3 d6 10. Qc2 f5
1947 Sofia Balkaniade – Round 1.4 – Vidmar, Milan Jr – 1/2-1/2 – Urseanu, Beniamin – G7 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. Qc2 f5
1947 URS Ch sf – Round 3 – Petrosian, Tigran A. – 0-1 – Kholmov, Ratmir D – G11 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 d6 10. Qc2 f5
1947 URS Ch sf – Round 6 – Simagin, Vladimir – 1-0 – Kholmov, Ratmir D – G18 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. Qd3 f5
1951 Mar del Plata zt – Round 23 – Maderna, Carlos – 1/2-1/2 – Mangini, Jose Henrique de Mello – G229 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. Qc2 f5
1951 Schlechter Memorial – Round ? – Mueller, Hans – 1/2-1/2 – Hoenlinger, Baldur – 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. Qxc3 d6 10. Qc2 c6
1952 Buenos Aires – Round 1 – Cruz Garibaldi, Milton Esteban – 1/2-1/2 – Foguelman – G20 1. Nf3 Nf6 2. d4 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. Qc2 f5
1952 Buenos Aires – Round 11 – Incutto – 1/2-1/2 – Foguelman – 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. Qxc3 d6 10. Qc2 f5
1952 URS ch sf – Round 12 – Ragozin, Viacheslav – 1-0 – Cherepkov, Alexander V – G73 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. Qd3 f5
1953 Hastings Premier 1952/53 28th – Round 6 – Golombek, Harry – 1-0 – Penrose, Jonathan – G16 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. g3 e6 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 d6 9. O-O O-O 10. Bf4 Nd7
1953 Mar del Plata – Round 11 – Gligorić, Svetozar – 1-0 – Jauregui, Carlos – G117 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. Qc2 f5
1954 CSR Ch – Round 16.8 – Kozma, Julius – 1-0 – Blatny, Frantisek – G138 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. Qd3 Nd7
1954 URS-chTJ Coop – Round 1 – Taimanov, M. – 1/2-1/2 – Kortchnoi, V. – G12 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. Qxc3 d6 10. Qc2 f5
1956 CSR Ch – Round 5 – Kozma, Julius – 1/2-1/2 – Blatny, Frantisek – G41 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. Qc2 f5
1956 Zittau-A 6th – Round 5 – Moehring, Guenther – 0-1 – Blatny, Frantisek – G19 1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qc2 f5
1958 GBR Ch 45th – Round 1.4 – Cafferty, Bernard – 1/2-1/2 – Gibbs, Peter Campbell – 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 d6 10. Qc2 f5
1958 Munich olm fin-B – Round 5 – Larsen, Benjamin Holsko – 0-1 – Porath, Yosef – G20 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. Qc2 f5
1962 Asztalos Memorial 5th – Round 5 – Robatsch, Karl – 1/2-1/2 – Pirc, Vasja – G36 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 d6 10. Qc2 Nd7
1962 Mar del Plata – Round 10 – Panno, Oscar – 1/2-1/2 – Najdorf, Miguel – G86 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. Rd1 Nd7
1962 Varna olm – Round 10 – Dunkelblum, Arthur – 1/2-1/2 – Porath, Yosef – G213 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. Qxc3 d6 10. Qc2 f5
1962 Varna olm – Round 7 – Milev, Zdravko – 0-1 – Foguelman, Alberto – G170 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. Be3 Nd7
1965 Capablanca Memorial – Round 10 – Kholmov, Ratmir D – 1/2-1/2 – Smyslov, Vladimir – G99 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. Qc2 Qc8
1965 Hastings ch-BCF – Round 5 – Clarke, Paul R H – 1/2-1/2 – Haygarth, Michael J – G56 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. Ne1 Bxg2
1965 Pardubice – Round 8 – Petras, Jan – 1/2-1/2 – Pithart, Frantisek – G56 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. Qc2 f5
1966 Panamerican – Round ? – Cobo Arteaga, Eldis – 1/2-1/2 – Jimenez Zerquera, Eleazar – G74 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. Bf4 Nd7
1966 Santa Monica – Round 11 – Ivkov, Borislav – 1/2-1/2 – Najdorf, Miguel – G48 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. Qc2 f5
1966 Santa Monica – Round 13 – Ivkov, Borislav – 1/2-1/2 – Petrosian, Tigran A. – G54 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. Qc2 f5
1967 Moscow – Round 1 – Gligorić, Svetozar – 1/2-1/2 – Najdorf, Miguel – G52 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. Qc2 f5
1967 Sofia tt – Round 2 – Kolarov, Atanas Stefanov – 1/2-1/2 – Partos, Charles – G17 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. Qd3 f5
1968 Bristol ch-BCF – Round 11 – Perkins, Alan H – 1/2-1/2 – Haygarth, Michael J – G113 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. Ne1 Bxg2
1968 Cardenas/Matanzas/Santa Clara – Round 11 – Cobo Arteaga, Eldis – 1/2-1/2 – Garcia Martinez, Silvino – 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. Qc2 f5
1968 Lugano SUI – Round 3 – Gheorghiu, Florin – 1/2-1/2 – Unzicker, Wolfgang – G65 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. d4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Rd1 Nd7
43. Olympiad 2018 – Round 9.6 – Brunello, Sabino – 1/2-1/2 – Kramnik, Vladimir – G614 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. Qc2 f5
Bugojno 1978 – Round 8 – Bukic, Enver – 1/2-1/2 – Hort, Vlastimil – G47 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. Qc2 Qc8
Lone Pine Open 1978 – Round 8 – Stean, Michael F – 0-1 – Larsen, Bent – G27 1. c4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. Nc3 O-O 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. Qc2 f5

E19b — 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

Eval: [+0.19]

Les coups candidats

10.b3 — 34.6% (350 parties) →

Ambassadeurs : Ivkov, Borislav (9x), Vila Hernández, Carlos (6x), Matanovic, Aleksandar (5x), Ilyasov, Anatoly Fedorovich (4x), Gheorghiu, Florin (3x), Karpov, Aleksandr (3x), Fernández Medina, Etienne (3x), Smyslov, Vladimir (2x)

10.Qc2 — 24.3% (246 parties)

Ambassadeurs : Maderna, Carlos (3x), Najdorf, Miguel (3x), Stohl, Igor (3x), Zakharov, Oleg (3x), Fancsy, Imre (3x), Takacs, Sandor (2x), Denker, Arnold S (2x), Keres, Paul (2x)

10.Rd1 — 14.7% (149 parties)

Ambassadeurs : Kuhlmann, Andreas (2x), Tepe Gastulo, Ricardo (2x), Asztalos, Lajos (1x), Tartakower, Savielly (1x), Lachmann, Hans G (1x), Hoenlinger, Baldur (1x), Rabar, Braslav (1x), Vukovic, Sava (1x)

10.Qd3 — 10.0% (101 parties)

Ambassadeurs : Piotraschke, Jens, Dr. (3x), Eckhardt, Claudia (3x), Gilg, Karl (2x), Rejfir, Josef (2x), Abdulmanov, Eduard Nafikhovich (2x), Keijzer, Ralph M (2x), de la Rosa Solórzano, José Guillermo (2x), Vos, Rik (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.b3	10.Qc2	10.Rd1	10.Qd3
<1800	16	38%	6%	19%	12%
1800-2200	364	32%	20%	19%	9%
2200-2600	397	42%	22%	12%	12%
2600+	13	69%	15%	8%	8%

Évolution par décennie (% des parties)

Décennie	N parties	10.b3	10.Qc2	10.Rd1	10.Qd3
1920s	8	12%	25%	12%	38%
1930s	13	—	69%	—	15%
1940s	37	14%	68%	5%	5%
1950s	34	29%	50%	6%	6%
1960s	45	38%	33%	11%	2%
1970s	51	47%	31%	12%	4%
1980s	40	45%	15%	15%	15%
1990s	92	25%	27%	20%	5%
2000s	198	32%	24%	15%	11%
2010s	342	38%	19%	17%	10%
2020s	151	38%	12%	15%	15%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.b3	38%	38%	+0.1%
10.Qc2	19%	12%	▼ -7.1%
10.Rd1	17%	15%	▼ -2.1%
10.Qd3	10%	15%	▲ +4.3%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 4 parties
Karpov, Aleksandr — 3 parties
Euwe, Max — 1 partie
Alekhine, Alexander — 1 partie
Botvinnik, Mikhail — 1 partie
Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

10.b3 — 34.6% (350 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
1945 — Filipcic, Martin vs Radojcic, Slobodan — 1/2-1/2 — Novi Sad SRB
1949 — Boleslavsky, Isaac vs Chekhover, Vitaly — 1-0 — Odessa UKR

10.Qc2 — 24.3% (246 parties)

1927 — Takacs, Sandor vs Asztalos, Lajos — 0-1 — Kecskemet I
1928 — Takacs, Sandor vs Tartakower, Savielly — 1/2-1/2 — Vienna AUT
1930 — Mueller, Hans vs Landau Salomon — 1-0 — Hamburg olm
1935 — Capdevila Vallve, Jordi vs Fallet Kahn, Victor — 0-1 — Mollet
1936 — May, Desider vs Paroulek, Vit — 1/2-1/2 — Podebrady CZE

10.Rd1 — 14.7% (149 parties)

1925 — Asztalos, Lajos vs Tartakower, Savielly — 1/2-1/2 — Debrecen HUN
1945 — Rabar, Braslav vs Vukovic, Sava — 1/2-1/2 — Novi Sad SRB
1949 — Lachmann, Hans G vs Hoenlinger, Baldur — 0-1 — Bad Salzuflen
1953 — Pollitt, James D vs Franklin Sheunesu Mhembere — 1/2-1/2 — Hastings ch-BCF
1956 — Zobel, Leo vs Mutina, Antonin — 0-1 — CSR-ch sf Bratislava SVK

10.Qd3 — 10.0% (101 parties)

1926 — Gilg, Karl vs Bluemich, Max — 1-0 — Vienna AUT
1926 — Gilg, Karl vs Kmoch, Hans — 1/2-1/2 — Semmering AUT
1927 — Rejfir, Josef vs Thelen, Bedrich — 1-0 — Prague Evony
1931 — Makarczyk, Kazimierz vs Rejfir, Josef — 1-0 — Praag predolympijsky
1937 — Kashdan, Isaac vs Vukovic, Sava — 1-0 — Stockholm SWE

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →