E19f — Queen’s Indian: Old Main Line, 9.Qxc3 f5

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 f5 * ○ 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. Exploiter la case forte e4.

Atouts. Les Noirs s'appuient sur la case forte e4, 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) ; ...c5 (Rupture) ; ...d6 (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	● e6→f5, a7→b6, c7→b6, d7→e6
Passés	—	—
Majorité	—	—

Cases

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

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. 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	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5, ● …f5-f4

Partie
1927 Moskou ch-URS – Round 5 – Makogonov, Vladimir – 0-1 – Botvinnik, Mikhail – G13 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 f5 10. Be3 Bf6
1929 Karlsbad – Round 1 – Gilg, Karl – 1/2-1/2 – Euwe, Max – G72 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 f5 10. Ne1 Bxg2
1929 Rogaska Slatina - Round 10 - Przepiorka, Dawid - 1-0 - Gruenfeld, Ernst - G34 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 f5 10. Ne5 Bxg2
1942 USA Open Dallas – Round 4 – Kilgore, Don – 0-1 – Yanofsky, Daniel Abraham – G2 1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. Ne1 Bxg2
1943 Ventnor City – Round 3 – Stark Letellier, Maxime – 1/2-1/2 – Santasiere, Anthony – 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 f5 10. Bd2 Qe8
1944 Moskou ch-URS – Round 1 – Makogonov, Vladimir – 1-0 – Lisitsin, Georgy – 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 f5 10. Be3 Bf6
1946 JUG Ch – Round 18 – Milic, Borislav – 1/2-1/2 – Pirc, Vasja – G54 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 f5 10. Be3 Bf6
1947 HUN-AUT tt – Round 1 – Lenner Leopold – 0-1 – Szabo, Laszlo – G4 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 f5 10. Qb3 Bf6
1947 JUG Ch – Round 17 – Gruber, Bernd – 1/2-1/2 – Pirc, Vasja – G33 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 f5 10. Ne5 Bxg2
1947 JUG Ch – Round 7 – Gruber, Bernd – 0-1 – Bozic, Aleksandar – 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. Qxc3 f5 10. Be3 Bf6
1948 Bad Gastein – Round 16 – Platt, Josef – 1/2-1/2 – Rossolimo, Nicolas – G117 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. c4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. Bd2 Bf6
1948 Bad Gastein – Round 3 – Toth, Sz – 1/2-1/2 – Rossolimo, Nicolas – G20 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. g3 e6 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O f5 10. Ne1 Bxg2
1948 GBR-NED match – Round 2.2 – Van Scheltinga, Theo – 1-0 – Golombek, Harry – 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. Qxc3 f5 10. Ne5 Qc8
1948 Moskou ch-URS – Round 19 – Lilienthal, Andor – 1/2-1/2 – Keres, Paul – G159 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 f5 10. Ne1 Bxg2
1948 South Fallsburg ch-USA – Round 1 – Kramer, Gerald – 1/2-1/2 – Kashdan, Isaac – G50 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 f5 10. Ne1 Bxg2
1949 Moskou ch-URS – Round 1 – Petrosian, Tigran A. – 1/2-1/2 – Taimanov, Mark E – 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. Qxc3 f5 10. Be3 Bf6
1949 Toronto Ch – Round 9 – Gale, Sydney – 1/2-1/2 – Anderson, Frank Ross – 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 f5 10. Bf4 Bf6
1949 Trencianske Teplice – Round 1 – Platt, Jerome – 0-1 – Golombek, Harry – G5 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 f5 10. Be3 Bf6
1949 Trencianske Teplice – Round 14 – Platt, Jerome – 0-1 – Stahlberg, Gideon – G84 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 f5 10. Qb3 Be4
1949 Trencianske-Teplice – Round 5 – Ojanen, Kaarle S – 0-1 – Golombek, Harry – G34 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 f5 10. Qb3 Bf6
1949 US Open – Round 5 – Le Cornu, P. – 1/2-1/2 – Santasiere, Anthony – 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 f5 10. Ne1 Bxg2
1949 Venice – Round 8 – Cohen zimmerman, Arbel – 1/2-1/2 – Szabados, Eugenio – G61 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 f5 10. Ne5 Bxg2
1950 Dubrovnik olm – Round 12 – Bolbochan, J. – 1/2-1/2 – Pirc, Vasja – G175 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 f5 10. Ne5 Bxg2
1950 FRG Ch Bad Pyrmont GER – Round 15 – Schindler, Josef – 0-1 – Pfeiffer, Gerhard – G44 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 f5 10. Be3 d6
1950 Mar del Plata – Round 6 – Trifunovic, Petar – 1/2-1/2 – Rossolimo, Nicolas – 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 f5 10. Ne5 Qc8
1951 It Dortmund GER – Round 4 – Fuderer, Andrija – 1-0 – Pfeiffer, Gerhard – 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 f5 10. Ne5 Qc8
1951 Marianske Lazne zt – Round 6 – Barda, Olaf – 1/2-1/2 – Stoltz, Gabriel – G98 1. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. Nd2 Bxg2
1951 Moskou ch-URS – Round ? – Flohr, Salo – 1/2-1/2 – Averbakh, Yuri L – G128 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 f5 10. Be3 Bf6
1951 New York – Round 1 – Euwe, Max – 0-1 – Lopez Masis, Kenard Evans – 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 f5 10. Ne1 Bxg2
1951 Wertheim Memorial – Round 5 – Euwe, Max – 0-1 – Evans, Larry M – G30 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 f5 10. Ne1 Bxg2
1952 Buenos Aires – Round 7 – Incutto, Carlos – 1/2-1/2 – Garcia Vera, Romeo – G44 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 f5 10. Bf4 d6
1952 GBR Ch U18 – Round 1 – Moore, Brian J – 1/2-1/2 – Cafferty, Bernard – G1 1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. Ne1 Bxg2
1952 Helsinki olm – Round 1 – Doerner, Charles – 0-1 – Teschner, Rudolf – G84 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 f5 10. Be3 Bf6
1952 JUG Ch – Round 10 – Nedeljkovic, Srecko M – 1-0 – Krivec, Sandi – 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 f5 10. d5 Qe8
1952 JUG Ch – Round 5 – Ivkov, Borislav – 1/2-1/2 – Pirc, Vasja – G30 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 f5 10. Ne1 Bxg2
1952 JUG Ch – Round 6 – Nedeljkovic, Srecko M – 1-0 – Gligorić, Svetozar – G36 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 f5 10. d5 Bf6
1952 Liberation – Round 11 – O'Kelly de Galway, Alberic – 1/2-1/2 – Nedeljkovic, Aleksandar – G35 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 f5 10. d5 Bf6
1952 Liberation – Round 8 – Fuderer, Andrija – 1/2-1/2 – O'Kelly, Albéric de Galway – 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. Qxc3 f5 10. Ne5 Bxg2
1952 Mar del Plata – Round 5 – Luckis, Marcos – 1/2-1/2 – Pinzon Solis, Felipe – G39 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 f5 10. Ne1 Bxg2
1954 Anderson-Fuster m – Round 7 – Fuster, Geza – 1/2-1/2 – Anderson, Frank Ross – 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 f5 10. d5 Na6
1954 Kiev ch-URS – Round 1 – Averbakh, Yuri L – 1/2-1/2 – Taimanov, Mark E – G5 1. c4 e6 2. Nf3 Nf6 3. d4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. Be3 Bf6
1954 Olympiad final A – Round 1 – Fuderer, Andrija – 1-0 – Geller, Efim P – G39 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 f5 10. d5 Bf6
1955 BLR-POL m – Round ? – Sliwa, Bogdan – 1/2-1/2 – Boleslavsky, Isaac – 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 f5 10. Ne1 Bxg2
1955 URS Ch sf Moscow RUS – Round 1 – Krogius, Nikolai V – 1/2-1/2 – Lisitsin, Georgy – 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 f5 10. d5 exd5
1956 Budapest – Round 1 – Sandor, Bela – 1/2-1/2 – Kluger, Gyula – G12 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. Qxc3 f5 10. d5 exd5
1956 Moscow olm prel – Round 2 – Uhlmann, Wolfgang – 1-0 – Safvat, Yousof – G39 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 f5 10. d5 Bf6
1956 Moscow olm prel – Round 6 – Olafsson, Fridrik – 1-0 – Ojanen, Kaarle S – G178 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. Qxc3 f5 10. d5 exd5
1956 New York Rosenwald – Round ? – Byrne, David – 0-1 – Pavey, Max – 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 f5 10. Qb3 Bf6
1956 URS Ch, semi final – Round 19 – Kotkov, Yuri – 1/2-1/2 – Khalilbeili, Sultan – G124 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 f5 10. e3 Bf6
1957 Bratislava Bratislava SVK – Round 11 – Kozma, Julius – 1/2-1/2 – Blatny, Frantisek – 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 f5 10. d5 exd5
1957 HUN Ch Budapest HUN – Round ? – Papp, Laszlo – 1/2-1/2 – Kluger, Gyula – G40 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. Nc3 Be7 6. O-O O-O 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. d5 Bf6
1958 HUN Ch Budapest HUN – Round 10 – Filep, Tibor – 1/2-1/2 – Honfi, Karoly – G52 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 f5 10. d5 Bf6
1958 HUN Ch Budapest HUN – Round 5 – Filep, Tibor – 1-0 – Varnusz, Egon – G22 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 f5 10. d5 Bf6
1959 Belgrade – Round 1 – Forintos, Gyozo V – 1/2-1/2 – Milic, Borislav – G52 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 f5 10. d5 Bf6
1959 Wch U20 fin-A – Round 9 – Hamann, Svend – 1/2-1/2 – Rumens, David E – 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 f5 10. d5 Bf6
1960 Leipzig olm fin-B – Round 10 – Lundin, Erik – 1-0 – Thorbergsson, Freysteinn – G128 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 f5 10. Be3 Bf6
1960 URS Ch sf – Round 15 – Flohr, Salo – 1/2-1/2 – Vistaneckis, Isakas – G122 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. d4 e6 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. Be3 Bf6
1961 Hoogovens – Round 1 – Ivkov, Borislav – 1-0 – Van den Berg, Cees – 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. Qxc3 f5 10. d5 Bf6
1961 Kiel – Round 1 – Hamann, Svend – 1/2-1/2 – Ziewitz, Hans – G2 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 f5 10. d5 Qc8
1961 Marianske Lazne zt – Round 9 – Blom, Kaj – 0-1 – Gragger, Anton Fritz – G60 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 f5 10. Be3 Bf6
1962 Asztalos Memorial 5th – Round 15 – Bilek, Istvan – 1-0 – Honfi, Karoly – G109 1. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. Bf4 Bf6
1962 Belgrade – Round 4 – Ivkov, Borislav – 1-0 – Janosevic, Dragoljub – G20 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 f5 10. d5 Bf6
1962 IBM – Round 11 – Armoon Tan, Hooman – 1-0 – Van den Berg, Cees – 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 f5 10. d5 Bf6
1962 Marianske Lazne – Round 10 – Thorbergsson, Freysteinn – 1-0 – Lokvenc, Josef – G64 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 f5 10. Be3 d6
1963 Budapest ch-HUN – Round 1 – Bilek, Istvan – 1-0 – Kovacs H., Zoltan – G114 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 f5 10. Bf4 a5
1963 Budapest ch-HUN – Round 1 – Flesch, Jean-benoit – 1-0 – Kovacs H., Zoltan – G113 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 f5 10. Bf4 a5
1964 CSR Ch – Round 12 – Marsalek, Josef – 0-1 – Blatny, Frantisek – G94 1. Nf3 Nf6 2. d4 b6 3. g3 Bb7 4. Bg2 e6 5. c4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b4 Bf6
1964 Kiev ch-URS – Round 1 – Krogius, Nikolai V – 1/2-1/2 – Kholmov, Ratmir D – G43 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 f5 10. d5 Bf6
1964 Kiev ch-URS – Round 1 – Stein, Leon Rico – 1/2-1/2 – Kholmov, Ratmir D – G135 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 f5 10. d5 exd5
1964 Moskou zt – Round 3 – Bronstein, David I – 1/2-1/2 – Kholmov, Ratmir D – 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 f5 10. d5 Bf6
1964 Tel Aviv olm – Round 1 – Simon Cobo, Enrique – 1/2-1/2 – Blatny, Frantisek – G46 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 f5 10. Be3 Bf6
1966 La Habana olm fin-C – Round 1 – Olivera, Alfredo – 1-0 – Villarroel, Geber – G2 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 f5 10. b4 Bf6
1966 OWL Ch – Round 4 – Juergens Norbert – 1/2-1/2 – Groenegress, Wilfried – G14 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 f5 10. Ne1 Bxg2
1966 Tbilisi ch-URS – Round 7 – Kholmov, Ratmir D – 1-0 – Liberzon, Vladimir M – G63 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 f5 10. d5 exd5
1968 Cardenas/Matanzas/Santa Clara – Round 17 – Boudy Bueno, Julio Leonardo – 1/2-1/2 – Garcia Martinez, Silvino – G88 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 f5 10. Be3 Bf6
Belgrade 1987 – Round 1 – Nikolic, Predrag – 1-0 – Hjartarson, Johann – 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 f5 10. Ne5 Qc8
Belgrade 1987 – Round 6 – Beliavsky, Alexander G – 1/2-1/2 – Hjartarson, Johann – G38 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 f5 10. Qb3 Bf6
Linares 1991 – Round 9 – Timman, Jan H – 1-0 – Ehlvest, Jaan – G19 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 f5 10. d5 exd5

E19f — 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 f5

Eval: [+0.27]

Les coups candidats

10.b3 — 41.5% (814 parties) →

Ambassadeurs : Pirc, Vasja (5x), Noble, Mark Frederick (5x), Benko, Pal (4x), Reshevsky, Samuel (4x), Ivkov, Borislav (4x), Hort, Vlastimil (4x), Matanovic, Aleksandar (4x), Penafiel Lopez, Juan (4x)

10.Rd1 — 20.5% (402 parties) →

Ambassadeurs : Pirc, Vasja (2x), Bolbochan, J. (2x), Jones, Brian (2x), Mucongoma, Miguel Jose Maconi (2x), Veselinov, Raicho Petrov (2x), Pheephacharakan, Pinatpong (2x), Szabo, Ladislav (1x), Averbakh, Yuri L (1x)

10.d5 — 6.7% (131 parties)

Ambassadeurs : Kholmov, Ratmir D (7x), Ivkov, Borislav (7x), Hamann, Svend (3x), Hacker, Christian (3x), Janosevic, Dragoljub (2x), Krogius, Nikolai V (2x), Klee, Uwe (2x), Uhlmann, Wolfgang (2x)

10.Bf4 — 6.0% (117 parties)

Ambassadeurs : Bilek, Istvan (2x), Kovacs H., Zoltan (2x), Pukropski, Goetz (2x), Stieger, Helmut Dr (2x), Busemann, Stephan, Dr. (2x), Crapulli, Giuseppe (2x), Daróczy, Sándor (2x), Stoeckl, Ernst (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.b3	10.Rd1	10.d5	10.Bf4
<1800	33	33%	18%	6%	15%
1800-2200	626	35%	25%	4%	8%
2200-2600	652	44%	24%	7%	6%
2600+	20	75%	10%	15%	—

Évolution par décennie (% des parties)

Décennie	N parties	10.b3	10.Rd1	10.d5	10.Bf4
1920s	6	17%	17%	—	—
1930s	17	41%	24%	6%	6%
1940s	62	32%	16%	—	5%
1950s	122	39%	9%	21%	2%
1960s	108	58%	8%	14%	3%
1970s	107	59%	13%	5%	1%
1980s	171	53%	11%	9%	1%
1990s	296	45%	20%	7%	3%
2000s	421	39%	24%	7%	6%
2010s	573	35%	26%	3%	11%
2020s	77	29%	30%	3%	9%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.b3	35%	29%	▼ -6.9%
10.Rd1	26%	30%	▲ +3.9%
10.d5	3%	3%	-0.2%
10.Bf4	11%	9%	▼ -2.3%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 6 parties
Botvinnik, Mikhail — 5 parties
Smyslov, Vladimir — 4 parties
Alekhine, Alexander — 1 partie
Tal, Mikhail — 1 partie

Parties historiques

10.b3 — 41.5% (814 parties)

1927 — Przepiorka, Dawid vs Ahues, Carl — 0-1 — Kecskemet II
1930 — Vidmar, Milan Sr vs Colle, Edgar — 1-0 — San Remo ITA
1930 — Vidmar Milan vs Colle, Edgar — 1-0 — San Remo ITA
1930 — Vidmar, Milan Sr vs Colle, Edgar — 1-0 — San Remo ITA
1934 — Belavenets, Sergey vs Makogonov, Vladimir — 1/2-1/2 — Leningrad ch-URS

10.Rd1 — 20.5% (402 parties)

1927 — Freiman, Sergey Nikolaevich vs Botvinnik, Mikhail — 1-0 — Moskou ch-URS
1934 — Riumin, Nikolai vs Alatortsev, Vladimir N. — 1/2-1/2 — Leningrad RUS
1935 — Mulder, Emile vs Fontein, George — 0-1 — NED
1936 — Simonson, Albert vs Denker, Arnold S — 1-0 — New York, NY USA
1939 — Agundez Conde, Egor vs Kei Kitto — 1/2-1/2 — Bournemouth

10.d5 — 6.7% (131 parties)

1933 — Grunwedl Herzog, Alexa vs Duchamp, Emile — 0-1 — corr ch-IFSB
1952 — O'Kelly de Galway, Alberic vs Nedeljkovic, Aleksandar — 1/2-1/2 — Belgrade SRB
1952 — Nedeljkovic, Srecko M vs Gligorić, Svetozar — 1-0 — Belgrade SRB
1952 — Schumacher, Helmut vs Thibaut, Georges — 0-1 — Ghent
1952 — Nedeljkovic, Srecko M vs Krivec, Sandi — 1-0 — Belgrade SRB

10.Bf4 — 6.0% (117 parties)

1934 — Stoeckl, Ernst vs Beutum, Sigmund — 1-0 — Trebitsch mem17
1946 — Cintron, Rafael L vs Colon Romero, Miguel — 0-1 — Yankton
1949 — Zagoriansky, Evgeny vs Lisitsin, Georgy — 1/2-1/2 — Leningrad RUS
1949 — Gale, Sydney vs Anderson, Frank Ross — 1/2-1/2 — Toronto CAN
1952 — Phipps, JB. vs Cafferty, Bernard — 1/2-1/2 — ?

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