E52a — Nimzo-Indian: Main Line, 6…b6

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 b6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes b5 et e5, un fou actif en d3 et la paire de fous.

Côté adverse. Le fou enfermé en c8.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Bd2 (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 avant-poste en e4, un fou actif en b4 et la paire de fous.

Côté adverse. Le fou enfermé en c1 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour a8).

Plans. ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, ...Bg4, ...Bf5)) ; ...Nbd7 (Développer Nb8) ; ...Bg4 (Clouer Nf3) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● e6→d5, a7→b6, c7→b6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● e5 (2v0)	—
Cases faibles	● e4	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (3v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bd3	● Bd3 Actif (mob. 8)
Bb4		● Bb4 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 3)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	3 (c1, a1, h1)	3 (b8, c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Roqué
Droits de roque	O-O / O-O-O	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5, ● e3-e4	● …e6-e5

Partie
1911 Karlsbad – Round 1 – Salwe, Georg – 1-0 – Schlechter, Carl – G97 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Bb4 5. e3 O-O 6. Bd3 b6 7. cxd5 exd5 8. O-O Bb7 9. Ne5 Bd6 10. f4 Nbd7
1928 Hastings Premier /29 9th – Round 5 – Yates, Frederic D – 1-0 – Colle, Edgar – G22 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. e3 Bb4 6. Bd3 O-O 7. O-O d5 8. a3 Bxc3 9. bxc3 Nbd7 10. cxd5 exd5
1931 Moskou ch-URS – Round 1 – Alatortsev, Vladimir N. – 0-1 – Lisitsin, Georgy – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. Qa4 Be7 10. b4 a6
1941 New York – Round ? – Lasker, Edward – 0-1 – Fine, Reuben – G38 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd3 b6 7. cxd5 exd5 8. O-O Bb7 9. Ne5 c5 10. f4 Nc6
1946 ENG-URS radio – Round 1 – Abrahams, Gerald – 1/2-1/2 – Ragozin, Viacheslav – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. Ne5 Nbd7 9. cxd5 Nxe5 10. dxe5 Bxc3
1946 Leningrad-Prague – Round 2 – Batuev, Andrey M – 1-0 – Prucha, Karel – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 b6 7. O-O Bxc3 8. bxc3 Ba6 9. Ne5 Nfd7 10. f4 f5
1947 HUN-AUT tt – Round 2 – Szabo, Laszlo – 1-0 – Lenner Leopold – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Ne5 Nbd7 10. f4 Bxc3
1949 Moscow Ch – Round 1 – Konstantinopolsky, Alexander – 1/2-1/2 – er-Steinsapir, Yu – G41 1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. Nc3 Bb4 5. e3 O-O 6. Bd3 b6 7. O-O Bb7 8. Bd2 Bd6 9. Rc1 a6 10. Qc2 Nc6
1949 Moskou ch-URS – Round 1 – Lilienthal, Andor – 1/2-1/2 – Sokolsky, Alexey – G69 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd3 b6 7. Bd2 Bb7 8. O-O c5 9. a3 Bxc3 10. Bxc3 dxc4
1949 URS Ch, semi final – Round 1 – Furman, Slavomir – 1-0 – Simagin, Vladimir – G11 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Nf3 e6 5. e3 Bb4 6. Bd3 O-O 7. O-O d5 8. Bd2 Be7 9. Qe2 c5 10. dxc5 bxc5
1950 FRG Ch – Round 13 – Niephaus, Walter – 1/2-1/2 – Sahlmann, Walter – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. a3 Be7 10. Ne5 Nbd7
1950 Moskou ch-URS – Round 1 – Borisenko, Georgy K – 0-1 – Alatortsev, Vladimir N. – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Nc6
1951 Moskou ch-URS – Round 1 – Taimanov, Mark E – 1-0 – Averbakh, Yuri L – G58 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Bd2 dxc4 9. Bxc4 Nbd7 10. Qe2 c5
1951 URS Ch sf – Round 11 – Geller, Efim P – 1-0 – Shaposhnikov, Yury – G13 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. e3 O-O 6. Bd3 Bb7 7. O-O d5 8. cxd5 Bxc3 9. bxc3 Qxd5 10. c4 Qd6
1952 Budapest – Round 7 – Golombek, Harry – 1/2-1/2 – Keres, Paul – G67 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd3 b6 7. cxd5 exd5 8. O-O c5 9. Bd2 Bg4 10. Rc1 Nc6
1952 Hungary Ch – Round 3 – Szabo, Ladislav – 1-0 – Gereben, Erno – G12 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Bb4 5. e3 O-O 6. Bd3 b6 7. O-O Bb7 8. Qe2 Nbd7 9. a3 Bxc3 10. bxc3 Re8
1952 Moskou ch-URS – Round 1 – Geller, Efim P – 1-0 – Keres, Paul – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 O-O 6. Bd3 d5 7. O-O Bb7 8. Bd2 dxc4 9. Bxc4 c5 10. a3 cxd4
1952 POL-ch10 – Round 18 – Wozniak, Kazimierz – 1-0 – Szukszta, Janus – G130 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. a3 Be7 9. b4 c5 10. bxc5 bxc5
1952 Saltsjobaden Interzonal – Round 11 – Geller, Efim P – 1/2-1/2 – Matanovic, Aleksandar – G102 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. Bd2 c5 9. cxd5 exd5 10. Rc1 Nc6
1953 Candidats Tournament – Round 19 – Najdorf, Miguel – 1/2-1/2 – Taimanov, Mark E – G121 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Bd2 dxc4 9. Bxc4 Nbd7 10. Qe2 c5
1953 Candidats Tournament – Round 6 – Taimanov, Mark E – 1-0 – Averbakh, Yuri L – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 c5
1953 Candidats Tournament – Round 7 – Szabo, Laszlo – 1/2-1/2 – Taimanov, Mark E – G41 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Qe2 Nbd7 9. a3 Bxc3 10. bxc3 c5
1953 URS-training – Round 9 – Taimanov, Mark E – 1-0 – Averbakh, Yuri L – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. a3 Bd6 10. b4 Re8
1954 Argentina – Round 2 – Panno, Oscar – 1/2-1/2 – Averbakh, Yuri L – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 c5
1954 Belgrade – Round 1 – Rabar, Braslav – 1/2-1/2 – Nievergelt, Erwin – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. a3 Bd6 8. e4 dxe4 9. Nxe4 Bb7 10. Qc2 Nbd7
1954 Gorki ch22-SU sf – Round 1 – Liavdansky, Vladimir – 0-1 – Geller, Efim P – G6 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. e3 Bb4 6. Bd3 O-O 7. O-O d5 8. Bd2 c5 9. a3 dxc4 10. Bxc4 Bxc3
1954 Kiev ch-URS – Round 1 – Borisenko, Georgy K – 1/2-1/2 – Averbakh, Yuri L – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. Ne5 a6 10. a3 Bd6
1954 Kiev ch-URS – Round 1 – Geller, Efim P – 1/2-1/2 – Lisitsin, Georgy – G59 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 Bb4+ 6. Nc3 O-O 7. O-O d5 8. cxd5 exd5 9. a3 Be7 10. b4 Nbd7
1954 Kiev ch-URS – Round 1 – Petrosian, Tigran A. – 1/2-1/2 – Ragozin, Viacheslav – G65 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd3 b6 7. O-O Bb7 8. a3 Bxc3 9. bxc3 Nbd7 10. a4 a5
1954 Liberation – Round 15 – Bronstein, David I – 1/2-1/2 – Barcza, Gedeon – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Ne2 Nbd7 10. b3 Qe7
1954 Mar del Plata – Round 10 – Castillo Larenas, Mariano – 0-1 – Eliskases, Erich – G79 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Be7 9. cxd5 exd5 10. Ne5 Nbd7
1954 Mar del Plata – Round 6 – Panno, Oscar – 1/2-1/2 – Eliskases, Erich – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Be7 9. b3 Nbd7 10. Bb2 Ne4
1954 Mar del Plata/B.Aires zt it-17 – Round 10 – Panno, Oscar – 1-0 – De Souza Mendes, Joao – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Be7 9. b3 Nbd7 10. Bb2 Ne4
1954 Nottingham ch-BCF – Round 7 – Newman Caceres, Reynaldo Adolfo – 1-0 – Aabel Thomas Eapen – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O dxc4 8. Bxc4 Bb7 9. a3 Bxc3 10. bxc3 c5
1954 Olympiad final A – Round 1 – Gligoric, Sofija – 1/2-1/2 – Smyslov, Vladimir – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Bd2 dxc4 9. Bxc4 Nbd7 10. Qe2 c5
1954 Olympiad final A – Round 11 – Porath, Yosef – 1-0 – Szabo, Ladislav – G114 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Qe2 c5 9. dxc5 bxc5 10. Rd1 Qe7
1954 Prague zt Prague CZE – Round 6 – Sajtar, Jaroslav – 1/2-1/2 – Filip, Marius Liviu – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Bd2 dxc4 9. Bxc4 Nbd7 10. a3 Bxc3
1954 URS Ch, semi final – Round 1 – Kasparian, Genrikh – 0-1 – Sokolsky, Alexey – G11 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 d5 5. Bd3 O-O 6. Nf3 b6 7. O-O Bb7 8. a3 Be7 9. Qe2 Ne4 10. Bd2 a6
1955 Aberystwyth ch-BCF – Round 4 – Neals, J. – 0-1 – Haygarth, Michael J – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. cxd5 exd5 8. a3 Bd6 9. b3 Re8 10. Qc2 a6
1955 Argentina – Round 7 – Idigoras, Gregorio – 1/2-1/2 – Eliskases, Erich – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 Re8 10. Qa4 Bd6
1955 Budapest – Round 1 – Negyesy, Gyorgy – 1-0 – Hacsak, Istvan – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 b6 7. a3 Bxc3+ 8. bxc3 Ba6 9. cxd5 Bxd3 10. Qxd3 exd5
1955 Buenos Aires CA – Round 8 – Gligoric, Svetozar – 0-1 – Bisguier, Arthur B – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 b6 7. O-O Bb7 8. Bd2 Be7 9. Qe2 Ne4 10. Rfd1 a6
1955 Gothenburg Interzonal – Round 1 – Ilivitsky, Georgy A – 1-0 – Unzicker, Wolfgang – G3 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Qc2 Nbd7 10. Bd2 a6
1955 Gothenburg Interzonal – Round 14 – Szabo, Ladislav – 1/2-1/2 – Filip, Marius Liviu – G131 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Ne5 Nbd7 10. f4 a6
1955 Gothenburg Interzonal – Round 16 – Petrosian, Tigran A. – 1/2-1/2 – Filip, Marius Liviu – G149 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd3 Bb7 7. O-O d5 8. cxd5 exd5 9. a3 Bxc3 10. bxc3 Re8
1955 Hoechst ch-GER – Round 1 – Schuster, Thomas – 1/2-1/2 – Niephaus, Walter – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 Nbd7 10. Rc1 a6
1955 Moskou ch-URS – Round 19 – Taimanov, Mark E – 1/2-1/2 – Smyslov, Vladimir – G149 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Bd2 dxc4 9. Bxc4 Nbd7 10. Qe2 c5
1955 URS Ch sf – Round 1 – Krogius, Nikolai V – 1/2-1/2 – Antoshin, Vladimir S – G28 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd3 b6 7. O-O Bb7 8. cxd5 exd5 9. Ne5 a6 10. a3 Bd6
1955 URS Ch sf Moscow RUS – Round 1 – Bellin, Bruno – 1/2-1/2 – Antoshin, Vladimir S – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 b6 7. O-O Bb7 8. Bd2 dxc4 9. Bxc4 c5 10. a3 Bxc3
1955 URS Ch sf Moscow RUS – Round 1 – Lein, Anatoly – 1/2-1/2 – Antoshin, Vladimir S – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Bd3 O-O 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 a6 10. Rc1 Nbd7
1955 URS-USA telex – Round 3 – Smyslov, Vladimir – 1-0 – Bisguier, Arthur B – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 Nbd7 10. Rc1 a6
1955 Zagreb – Round 10 – Udovcic, Mijo – 1-0 – Bertok, Mario Jr. – G104 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Nbd7 8. cxd5 exd5 9. Ne5 Bb7 10. a3 Bd6
1955 Zagreb – Round 13 – Gligorić, Svetozar – 1-0 – Pirc, Vasja – G132 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 a6 10. Rc1 Nbd7
1955 Zagreb – Round 15 – Bertok, Mario Jr. – 0-1 – O'Kelly, Albéric de Galway – G148 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Ne5 Nbd7 10. f4 a5
1955 Zagreb – Round 15 – Gligoric, Sofija – 1/2-1/2 – Filip, Marius Liviu – G150 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 Nbd7 10. Rc1 a6
1955 Zagreb – Round 2 – Rabar, Braslav – 1/2-1/2 – Smyslov, Vladimir – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O dxc4 8. Bxc4 Bb7 9. Qe2 c5 10. Rd1 cxd4
1955 Zagreb – Round 2 – Udovcic, Mijo – 1-0 – O'Kelly, Albéric de Galway – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. a3 Bd6 10. Ne5 Re8
1955 Zagreb – Round 6 – Udovcic, Mijo – 0-1 – Matanovic, Aleksandar – G69 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. cxd5 exd5 9. a3 Bxc3 10. bxc3 Ba6
1956 GBR Ch 43rd – Round 5.2 – Moore, Brian J – 1/2-1/2 – Barden, Leonard – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. cxd5 exd5 8. O-O Bb7 9. a3 Bd6 10. b4 Nbd7
1956 Leningrad ch-URS – Round 1 – Taimanov, Mark E – 1-0 – Zurakhov, Vladlen Y – G17 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 b6 7. O-O Bb7 8. a3 Be7 9. cxd5 exd5 10. b4 a6
1956 Leningrad ch-URS – Round 1 – Tolush, Alexander – 0-1 – Antoshin, Vladimir S – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d5 5. e3 O-O 6. Bd3 b6 7. O-O Bb7 8. cxd5 exd5 9. Ne5 Nbd7 10. f4 c5
1956 Leningrad ch-URS – Round 11 – Boleslavsky, Isaac – 0-1 – Taimanov, Mark E – G135 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd3 b6 7. O-O Bb7 8. cxd5 exd5 9. a3 Bd6 10. b4 Re8
1956 Marianske Lazne/Praha – Round 15 – Jezek, Jaroslav – 1/2-1/2 – Filip, Miroslav – G99 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. cxd5 exd5 8. O-O Re8 9. Qc2 c5 10. dxc5 bxc5
1956 Montevideo – Round ? – Alvarez del Monte, Jose – 0-1 – Eliskases, Erich – G56 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd3 d5 7. a3 Bxc3+ 8. bxc3 Ba6 9. Nd2 c5 10. O-O Nc6
1956 URS Ch sf – Round ? – Geller, Alexander – 1-0 – Ragozin, Viacheslav – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Ne5 Nbd7 10. f4 Ne4
1956 URS Ch sf – Round ? – Rovner, Dmitry – 1-0 – Kondratiev, Pavel E – G12 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 b6 7. O-O Bb7 8. a3 Be7 9. b4 c5 10. bxc5 bxc5
1957 DDR Ch 08th – Round 5 – Bertholdt, Dieter – 1-0 – Braun, Gottfried, Dr. – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. a3 Bd6 10. b4 Nbd7
1957 DDR Ch 08th – Round 5 – Pakulla, Rudolf – 1/2-1/2 – Fuchs, Reinhart – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Nbd7
1957 It Gotha GER – Round 15 – Filip, Miroslav – 1/2-1/2 – Milic, Borislav – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. Bd2 dxc4 9. Bxc4 Nbd7 10. Qe2 c5
1957 Leningrad Ch – Round 19 – Suetin, Alexey S – 1/2-1/2 – Krogius, Nikolai V – G141 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 b6 7. O-O Bb7 8. Qc2 Nbd7 9. Bd2 dxc4 10. Bxc4 c5
1957 Leningrad Ch – Round 19 – Tolush, Alexander V – 1/2-1/2 – Nikitin, Aleksander S – G144 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 Nbd7 10. Ne5 Qe7
1957 Mar del Plata – Round 3 – Lombardy, William J – 1-0 – Mangini, Jose Henrique de Mello – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 b6 7. O-O Bb7 8. a3 Bxc3 9. bxc3 Nbd7 10. cxd5 exd5
1957 Reykjavik ol stud tt – Round 9.2 – Haggqvist, Bjorn – 0-1 – Bertholdt, Dieter – G26 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. Nc3 Bb4 5. e3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 c5 9. a3 cxd4 10. exd4 Bxc3
1957 URS Ch, semi final – Round 17 – Furman, Slavomir – 1/2-1/2 – Sokolsky, Alexey – G152 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Bd3 O-O 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 Bd6 10. Rc1 a6
1957 URS Ch, semi final – Round 5 – Ilivitsky, Georgy A – 1/2-1/2 – Vladimirov, Boris T – G65 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Nc3 Bb4 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. Ne5 Nbd7 10. f4 c5
1957 USA Ch Open 58th – Round 4 – Brandts, Paul – 1/2-1/2 – Bisguier, Arthur B – G27 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb4 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Nbd7
1958 DDR-BUL m – Round 3.4 – Bertholdt, Dieter – 1-0 – Padevsky, Nikola – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 d5 7. O-O O-O 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Nc6
1958 Hoogovens – Round 6 – O'Kelly, A. – 0-1 – Bouwmeester, Hans – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. cxd5 exd5 8. O-O Bb7 9. Ne5 Nbd7 10. f4 c5
1958 Munich olm fin-A – Round 9 – Petrosian, Tigran A. – 1-0 – Pietzsch, Wolfgang – G50 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 Bb4+ 6. Nc3 O-O 7. O-O d5 8. cxd5 exd5 9. a3 Be7 10. b4 c6
1958 Portoroz Interzonal – Round 8 – Gligoric, Svetozar – 1/2-1/2 – Petrosian, Tigran V – G73 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. cxd5 exd5 9. Bd2 a6 10. Rc1 Bd6
1958 Riga ch-URS – Round 1 – Borisenko, Georgy K – 1/2-1/2 – Furman, Slavomir – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. Ne5 a6 10. a3 Bd6
1958 Riga ch-URS – Round 3 – Kotov Lundqvist, Alex – 0-1 – Averbakh, Yuri L – G99 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. Bd2 Nbd7 10. Ne5 Nxe5
1958 Torneo de las Americas 1st – Round 4 – Najdorf, Miguel – 1-0 – Argiles Perez, Jaime – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Be7 9. b4 Nbd7 10. Bb2 c5
1959 Belgrade – Round 1 – Jovanic R – 0-1 – Nedeljkovic, Srecko M – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 Bd6 10. Nb5 Be7
1959 Kragujevac ch14-YUG – Round 1 – Gligorić, Svetozar – 1-0 – Vukovic, Sava – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 b6 6. Bd3 Bb7 7. O-O d5 8. cxd5 exd5 9. Bd2 a6 10. Ne2 Bd6
1959 Santiago – Round 6 – Letelier Martner, Rene – 0-1 – Jauregui, Carlos – G35 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Nc3 Bb4 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. Bd2 Re8 10. Qa4 Bf8
1959 UKR Ch – Round 21 – Shianovsky, Vladislav I – 1/2-1/2 – Bannik, Anatolij – G157 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 O-O 6. Bd3 d5 7. O-O Bb7 8. cxd5 exd5 9. Ne5 Nbd7 10. f4 c5
1960 Asuncion – Round 6 – Estrada Degrandi, Walter – 1/2-1/2 – Gligorić, Svetozar – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. cxd5 exd5 8. O-O Bb7 9. Ne5 a6 10. f4 c5
1960 BUL-ch14 Sofia BUL – Round 19 – Kolarov, Atanas S. – 1/2-1/2 – Bobotsov, Milko G – G74 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a4 Be7 9. b3 c5 10. Bb2 Nc6
1960 Corr FS – Round 1 – Yudovich, Mikhail M – 1-0 – Batik, Frantisek – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Ne5 c5 10. Ne2 cxd4
1960 Leipzig olm fin-A – Round 10 – Donner, Jan-Hein – 1/2-1/2 – Bobotsov, Milko G – G174 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. cxd5 exd5 8. O-O Bb7 9. Bd2 a6 10. Ne5 Bd6
1960 Leipzig olm fin-A – Round 7 – Byrne, Robert E – 1-0 – Kramer, Haije – G121 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. Bd2 dxc4 9. Bxc4 c5 10. a3 Bxc3
1960 Leningrad ch-URS – Round 2 – Kortchnoi, V. – 1/2-1/2 – Taimanov, M. – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd3 Bb7 7. O-O d5 8. Qb3 Nc6 9. Rd1 a6 10. a3 Bd6
1960 Leningrad ch-URS – Round 4 – Polugaevsky, Lev – 1/2-1/2 – Shamkovich, Leonid – G31 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. e3 O-O 6. Bd3 b6 7. Qb3 Be7 8. O-O Nc6 9. cxd5 exd5 10. Ne5 Bb7
1960 Olympiad prel III – Round 8 – Kozma, Julius – 1-0 – Ben Cheikh, Brahim – G58 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 b6 7. O-O Nbd7 8. cxd5 exd5 9. Qc2 c5 10. a3 Bxc3
1961 Baku ch-URS – Round 1 – Averbakh, Yuri L – 1/2-1/2 – Taimanov, Mark E – G6 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Nc3 Bb4 6. Bd3 O-O 7. O-O d5 8. a3 Bd6 9. b4 dxc4 10. Bxc4 Nbd7
1961 Baku ch-URS – Round 11 – Bronstein, David I – 1/2-1/2 – Shamkovich, Leonid – G102 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Bb4 5. e3 O-O 6. Bd3 b6 7. O-O Bb7 8. Ne2 Nbd7 9. b3 Qe7 10. Bb2 Bd6
1961 Buenos Aires CA – Round 3 – Matanovic, Aleksandar – 1/2-1/2 – Filip, Miroslav – G4 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O dxc4 8. Bxc4 Bb7 9. a3 Bxc3 10. bxc3 c5
1961 CSR Ch – Round 8 – Filip, Miroslav – 1/2-1/2 – Pachman, Ludek – G73 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Bd2 dxc4 9. Bxc4 Nbd7 10. a3 Bxc3
1961 Debrecen – Round 7 – Banfalvi, Sander – 1-0 – Fazekas, Stephan – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. a3 Bd6 9. cxd5 exd5 10. Qc2 c5
1961 Hastings6162 – Round 1 – Barden, Leonard – 1/2-1/2 – Bisguier, Arthur B – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. cxd5 exd5 8. O-O Re8 9. Ne5 Bb7 10. f4 c5
1961 Marianske Lazne zt – Round 12 – Olafsson, Fridrik – 1-0 – Bobotsov, Milko G – G82 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. a3 Be7 10. b4 a5
1961 Maroczy Memorial Budapest HUN – Round 1 – Donner, Jan-Hein – 0-1 – Simagin, Vladimir – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Qe2 c5 9. Rd1 Nc6 10. a3 Bxc3
1961 Oberhausen etc – Round 1 – Niephaus, Walter – 1/2-1/2 – Milic, Bozidar – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd3 Bb7 7. O-O d5 8. Bd2 dxc4 9. Bxc4 Nbd7 10. Qe2 a6
1961 Oberhausen etc – Round 10 – Perez Perez, Francisco Jose – 1/2-1/2 – Pachman, Ludek – G241 1. d4 Nf6 2. c4 e6 3. e3 d5 4. Nc3 Bb4 5. Bd3 O-O 6. Nf3 b6 7. O-O Bb7 8. a3 Bd6 9. b4 dxc4 10. Bxc4 Nbd7
1961 Oberhausen etc – Round 2 – Marovic, Drazen – 0-1 – Furman, Slavomir – G66 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd3 Bb7 7. O-O d5 8. cxd5 exd5 9. Ne5 Nbd7 10. Qa4 Bd6
1961 Oberhausen etc – Round 7 – Gligorić, Svetozar – 1/2-1/2 – Tal, Mikhail – G175 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 Nbd7 10. Rc1 a6
1961 Santa Fe – Round 3 – Byrne, Ray – 1-0 – Casabella, Miguel Angel – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 d5 7. O-O O-O 8. cxd5 exd5 9. Qc2 a6 10. Ne5 Bd6
1961 Sarajevo 04th – Round 1 – Sofrevski, Jovan – 1/2-1/2 – Milic, Bozidar – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd3 Bb7 7. O-O d5 8. Bd2 dxc4 9. Bxc4 Nbd7 10. a3 Bd6
1961 Zuerich – Round 10 – Petrosian, Tigran A. – 1/2-1/2 – Kupper, Josef – G48 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. e3 O-O 6. Bd3 Bb7 7. O-O d5 8. cxd5 exd5 9. a3 Bd6 10. b4 Nbd7
1962 Capablanca Memorial – Round 14 – Najdorf, Miguel – 1-0 – Acevedo Ortega, Rodrigo Andres – G136 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd3 Bb7 7. O-O d5 8. a3 Be7 9. b4 dxc4 10. Bxc4 Nbd7
1962 Erevan ch-URS – Round 1 – Mikenas, Vladas – 0-1 – Bannik, Anatolij – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. a3 Bd6 9. Nb5 dxc4 10. Bxc4 Be7
1962 Hoogovens – Round 8 – Donner, Jan-Hein – 1/2-1/2 – Bisguier, Arthur B – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. cxd5 exd5 8. O-O Bb7 9. Qc2 Re8 10. Ne5 Nbd7
1962 New York ch-USA – Round 5 – Steinmeyer, Robert – 1/2-1/2 – Bisguier, Arthur B – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. cxd5 exd5 8. Ne5 Bb7 9. O-O Nbd7 10. f4 c5
1962 Olympiad Varna BUL – Round 6 – Simon Cobo, Enrique – 1/2-1/2 – Bolbochan, J. – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd3 Bb7 7. O-O d5 8. a3 Bd6 9. Qe2 Ne4 10. Nb5 dxc4
1962 Sarajevo – Round 7 – Gligorić, Svetozar – 1-0 – Bilek, Istvan – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 b6 6. Nf3 Bb7 7. O-O d5 8. cxd5 exd5 9. Bd2 Re8 10. Rc1 a6
1962 Stockholm Interzonal – Round 14 – Olafsson, Fridrik – 1/2-1/2 – Bisguier, Arthur B – G123 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd3 Bb7 7. O-O d5 8. a3 Bd6 9. b4 dxc4 10. Bxc4 a5
1962 Stockholm Interzonal – Round 17 – Portisch, Lajos – 1/2-1/2 – Bolbochan, J. – G148 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd3 d5 7. O-O Bb7 8. a3 Bd6 9. b4 dxc4 10. Bxc4 Nbd7
1962 Varna olm – Round 1 – Filip, Marius Liviu – 1/2-1/2 – Euwe, Max – G8 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. d4 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. a3 Bd6 10. Qc2 a6
1963 Alekhine Memorial – Round 2 – Antoshin, Vladimir S – 1/2-1/2 – Tal, Mikhail – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Bd2 dxc4 9. Bxc4 Nbd7 10. Qe2 c5
1963 Leningrad – Round 1 – Cherepkov, Alexander V – 0-1 – Korchnoi, Viktor – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. cxd5 exd5 8. Ne5 Bb7 9. O-O Bd6 10. f4 c5
1963 Sweden – Round 6 – Ekenberg, Bengt – 1-0 – Nilsson, Zandor – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 b6 7. O-O dxc4 8. Bxc4 Bb7 9. Qe2 Nbd7 10. a3 Bxc3
1963 URS Team Ch – Round 1 – Taimanov, Mark E – 1-0 – Buslaev, Aleksander – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Bd6 9. b4 dxc4 10. Bxc4 Nbd7
1964 Buenos Aires – Round 12 – Najdorf, Miguel – 1-0 – Bielicki, Carlos – G105 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Nc6
1964 Buenos Aires – Round 8 – Bolbochan, Julio – 1-0 – Bielicki, Carlos – G70 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. a3 Bxc3+ 8. bxc3 dxc4 9. Bxc4 Bb7 10. O-O Nc6
1964 DDR Ch 14th – Round 7 – Wehnert, Lutz – 0-1 – Baumbach, Friedrich, Dr. – G10 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 exd5 7. e3 Bd6 8. Bd3 O-O 9. O-O Nbd7 10. Nb5 Be7
1964 Tel Aviv olm fin-A – Round 4 – Alvarez Mora, Jorge Mario – 1-0 – Mohrlok, Dieter – G77 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 Bb4+ 6. Nc3 O-O 7. O-O d5 8. Bd2 dxc4 9. Bxc4 Nbd7 10. Qe2 c5
1964 Tel Aviv olm fin-A – Round 8 – Kraidman, Yair – 1-0 – Bouwmeester, Hans – G169 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 b6 7. O-O Bb7 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 Nbd7
1965 Corr Wch5 – Round 1 – Borisenko, Georgy K – 1-0 – Richter, Jacob – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. Ne5 a6 10. a3 Bd6
1965 Hamburg etc – Round 5 – Van den Berg, Cees – 0-1 – Korchnoi, Viktor – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 Bd6 10. Rc1 a6
1965 Hoogovens – Round 15 – Donner, Jan-Hein – 1-0 – Van Scheltinga, Theo – G112 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Ne5 a6 10. Ne2 Bd6
1965 Hoogovens – Round 4 – Portisch, Lajos – 1/2-1/2 – Bobotsov, Milko G – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 b6 7. O-O Bb7 8. a3 Be7 9. b4 c5 10. bxc5 dxc4
1965 Hoogovens – Round 8 – Geller, Efim P – 1/2-1/2 – Bobotsov, Milko G – G62 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 b6 7. O-O Bb7 8. a3 Be7 9. cxd5 exd5 10. b4 Nbd7
1965 HUN-ch21 – Round 1 – Liptay, Laszlo Dr. – 1/2-1/2 – Varnusz, Egon – G34 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. e3 Bb4 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. Ne5 Nbd7 10. f4 Ne4
1965 Noordwijk – Round 1 – Donner, Jan-Hein – 1/2-1/2 – Bobotsov, Milko G – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Bd2 Be7 9. Qe2 Nbd7 10. Rfd1 c5
1966 Blitz Match – Round 1 – Liptay, Laszlo Dr. – 1/2-1/2 – Novak, Ervin – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 O-O 6. Bd3 d5 7. cxd5 exd5 8. Ne5 Bd6 9. O-O Ba6 10. f4 Bxd3
1966 Buenos Aires ch-ARG – Round 8 – Pelikan, Anna – 1/2-1/2 – Behrensen, Jorge – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. Ne1 Nbd7 10. a3 Bd6
1966 CSR Ch Int 1st – Round 5 – Filip, Miroslav – 1/2-1/2 – Novak, Ervin – G24 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Nf3 O-O 5. e3 b6 6. Bd3 Bb7 7. O-O d5 8. cxd5 exd5 9. Bd2 Ba6 10. Bxa6 Nxa6
1966 Hoogovens 28th – Round 10 – Donner, Jan-Hein – 1-0 – Van Scheltinga, Theo – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Qe2 Nbd7 9. Rd1 c5 10. Bd2 Qe7
1966 Hoogovens 28th – Round 7 – Bilek, Istvan – 1-0 – Cuijpers, Frans Andre – G20 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 b6 5. e3 O-O 6. Bd3 d5 7. O-O Bb7 8. Bd2 Be7 9. Qe2 Ne4 10. cxd5 exd5
1966 La Habana olm prel – Round 1 – Galeb, Antoine – 0-1 – Cornelis, Frans B – G10 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Bb4 5. e3 O-O 6. Bd3 b6 7. O-O Bb7 8. Qe2 Nbd7 9. cxd5 exd5 10. Bd2 a6
1966 Palma de Mallorca – Round 2 – Pomar Salamanca, Arturo – 1-0 – Shamkovich, Leonid – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 b6 7. a3 Bxc3+ 8. bxc3 dxc4 9. Bxc4 c5 10. O-O Bb7
1967 Hoogovens – Round 4 – Gligorić, Svetozar – 0-1 – Ree, Hans – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 b6 6. Nf3 d5 7. O-O Bb7 8. a3 Be7 9. cxd5 exd5 10. b4 Nbd7
1967 Moscow – Round 1 – Simagin, Vladimir – 1-0 – Razuvaev, Yuriy – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 O-O 6. Bd3 d5 7. O-O Bb7 8. cxd5 exd5 9. Ne5 Bd6 10. f4 c5
1967 Palma de Majorca ESP – Round 16 – Lehmann, Heinz – 1/2-1/2 – Donner, Jan-Hein – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. cxd5 exd5 9. Ne5 Bd6 10. f4 c5
1967 Palma de Mallorca – Round 14 – Diez del Corral, Jesus – 1/2-1/2 – Donner, Jan-Hein – G103 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. Qe2 c5 9. a3 cxd4 10. axb4 dxc3
1967 Sochi – Round 13 – Lein, Andreas – 1-0 – Liebert, Heinz – G103 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd3 Bb7 7. O-O d5 8. Qe2 Nbd7 9. Rd1 Ne4 10. Qc2 Ndf6
1967 Sochi – Round 9 – Zaitsev, Alexander – 1-0 – Shamkovich, Leonid – G73 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. e3 Bb4 6. Bd3 O-O 7. O-O d5 8. Bd2 dxc4 9. Bxc4 Nbd7 10. Qe2 Bxc3
1967 Venice – Round 7 – Magrin, Antonio – 0-1 – Donner, Jan – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Ne2 Bd6 9. Ne5 c5 10. f4 cxd4
1967 Vrnjacka Banja zt – Round 1 – Gunnarsson, Gudmundur – 0-1 – Zuidema, Coen – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. Bd2 Nbd7 10. Rc1 a6
1967 WchT U26 14th – Round ? – Farago, Ivan – 1/2-1/2 – Thor, Jon Th – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 a6 10. Ne5 Bd6
1967 Zierikzee ch-NED – Round 1 – Bouwmeester, Hans – 1/2-1/2 – Van Scheltinga, Theo – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 a6 10. Ne5 Nbd7
1968 Alma Ata ch-URS – Round 7 – Cherepkov, Alexander V – 1/2-1/2 – Kholmov, Ratmir D – G71 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. cxd5 exd5 9. Ne5 Nbd7 10. f4 c5
1968 Amsterdam m1 – Round 1 – Shamkovich, Leonid – 1/2-1/2 – Ree, Hans – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Be7 9. cxd5 exd5 10. Ne5 c5
1968 Bamberg – Round 1 – Toran Albero, Roman – 1/2-1/2 – Bobotsov, Milko G – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Bd2 a6 9. Nxd5 Nxd5 10. cxd5 Bxd2
1968 Belgrade – Round 1 – Bukic, Enver – 1-0 – Martinovic, Slobodan – G24 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 Bb4+ 6. Nc3 O-O 7. O-O d5 8. cxd5 exd5 9. Bd2 c5 10. a3 Bxc3
1968 Capablanca Memorial – Round 1 – Cobo Arteaga, Eldis – 1/2-1/2 – O'Kelly, Albéric de Galway – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. cxd5 exd5 8. Qc2 Bb7 9. O-O Re8 10. Ne5 Bd6
1968 Capablanca Memorial – Round 1 – Rodriguez Gonzales, Angie Kelly – 1/2-1/2 – O'Kelly de Galway, Alberic – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 Bd6 10. Rc1 c5
1968 Corr – Round 1 – Gipslis, Aivars – 1-0 – Simagin, Vladimir – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. Ne5 Bd6 10. f4 c5
1968 IBM I – Round 10 – Kotov Lundqvist, Alex – 0-1 – Ree, Hans – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. cxd5 exd5 9. Ne2 Bd6 10. Ng3 g6
1968 Lugano SUI – Round 1 – Lengyel, Laszlo – 1-0 – Beyen, Roland – G9 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. d4 b6 5. e3 O-O 6. Bd3 Bb7 7. O-O d5 8. cxd5 exd5 9. Ne5 Nbd7 10. f4 Ne4
1968 WchT U26 – Round 1 – Brinck-Claussen, Bjorn – 0-1 – Spassov, Liuben – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Bd2 c5 9. cxd5 cxd4 10. exd4 Nxd5
1968 WchT U26 – Round 1 – Keene, Raymond D – 1-0 – Seuss, Oswald – G14 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. Bd2 Nbd7 10. Rc1 a6
1969 Capablanca Memorial – Round 15 – Gligorić, Svetozar – 1/2-1/2 – Donner, Jan-Hein – G110 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Be7 9. cxd5 exd5 10. b4 Ne4
1969 Capablanca Memorial – Round 3 – Donner, Jan-Hein – 1-0 – Panno, Oscar – G20 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Be7 9. b4 dxc4 10. Bxc4 c5
1969 Capablanca Memorial – Round 9 – Gligorić, Svetozar – 1/2-1/2 – Panno, Oscar – G67 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. cxd5 exd5 9. Ne5 Bd6 10. Nb5 Be7
1969 Luhacovice – Round 1 – Kozma, Julius – 0-1 – Korchnoi, Viktor – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Ne5 Bd6 10. Nb5 Be7
1969 Mar del Plata zt – Round 1 – Aceros Rodriguez, Oscar Leonardo – 0-1 – Bronstein, Luis Marcos – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. a3 Be7 8. O-O c5 9. cxd5 exd5 10. Ne5 Bb7
1969 New York ch-USA – Round 7 – Addison, Wiliam G – 1/2-1/2 – Reshevsky, Samuel – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Bd6 9. Qe2 Ne4 10. Nd2 f5
1969 Palma de Mallorca – Round 1 – Pomar Salamanca, Arturo – 1/2-1/2 – Bobotsov, Milko G – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Bd2 dxc4 9. Bxc4 Nbd7 10. Rc1 a6
1969 Schwerin – Round 1 – Liebert, Heinz – 1/2-1/2 – Neukirch, Detlef – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd3 O-O 7. O-O d5 8. Qe2 Nbd7 9. cxd5 exd5 10. Bd2 Re8
1969 Stary Smokovec – Round 10.3 – Kozma, Julius – 1/2-1/2 – Plachetka, Jan – G41 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 a6 10. Ne5 Bd6
1970 IBM – Round 7 – Donner, Jan Hein – 1-0 – Ree, Hans – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Bd6 9. b4 dxc4 10. Bxc4 Nbd7
1970 Palma de Mallorca Interzonal – Round 14 – Ivkov, Borislav – 1/2-1/2 – Filip, Miroslav – G105 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 Bd6 10. Nb5 Be7
1970 Palma de Mallorca Interzonal – Round 7 – Filip, Miroslav – 1/2-1/2 – Reshevsky, Samuel – G95 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. Bd2 Bd6 9. Rc1 a6 10. cxd5 exd5
1971 Hoogovens – Round 13 – Mecking, Henrique – 1-0 – Donner, Jan Hein – G73 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. a3 Be7 8. cxd5 exd5 9. b4 c5 10. dxc5 bxc5
1971 Hoogovens – Round 3 – Gligoric, Sofija – 1-0 – Van den Berg, Cees – G76 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Bd6 9. b4 dxc4 10. Bxc4 Nbd7
1971 Hoogovens – Round 5 – Gligoric, Svetozar – 1/2-1/2 – Donner, Jan Hein – G74 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. a3 Be7 9. cxd5 exd5 10. b4 Ne4
1972 Skopje ol (Men) fin-A – Round 12 – Pytel, Krzysztof – 1/2-1/2 – Filip, Miroslav – G157 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Bd2 Bd6 10. Ne5 c5
1972 Skopje ol (Men) fin-A – Round 9 – Ungureanu, Emil – 1/2-1/2 – Bisguier, Arthur B – G153 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O d5 8. a3 Bd6 9. b4 dxc4 10. Bxc4 a5
41. Olympiad Open 2014 – Round 9.3 – Ipatov, Alexander – 1/2-1/2 – Johannessen, Leif Erlend – G648 1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. Nc3 Bb4 5. e3 O-O 6. Bd3 d5 7. cxd5 exd5 8. O-O Ba6 9. Bxa6 Nxa6 10. Qa4 Qc8
42. Olympiad 2016 – Round 5.22 – Peralta, Fernando – 0-1 – Iturrizaga Bonelli, Eduardo – G348 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. a3 Bxc3+ 8. bxc3 Ba6 9. cxd5 Bxd3 10. Qxd3 Qxd5
43. Olympiad 2018 – Round 3.16 – Papaioannou, Ioannis CS – 1/2-1/2 – Bogner, Sebastian – G177 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. e3 Bb7 5. Bd3 d5 6. O-O Bd6 7. Nc3 O-O 8. a3 Nbd7 9. cxd5 exd5 10. Nb5 Be7
75. Tata Steel GpA 2013 – Round 1.5 – Sokolov, Ivan. – 1/2-1/2 – Wang, Hao(ZJWZ) – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. a3 Bd6 8. e4 dxe4 9. Nxe4 Nbd7 10. O-O Bb7
Manila Interzonal 1990 – Round 3 – Korchnoi, Viktor – 1/2-1/2 – Huebner, Robert – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. a3 Bxc3+ 8. bxc3 dxc4 9. Bxc4 Bb7 10. O-O c5
Qatar Masters Open 2015 – Round 8.6 – Ni, Hua – 1/2-1/2 – Harikrishna, Pentala – G283 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 O-O 6. Bd3 d5 7. cxd5 exd5 8. O-O Ba6 9. Bxa6 Nxa6 10. Qd3 Qc8
TCh-RUS 2005 – Round 2 – Ivanov, Sergey – 0-1 – Jakovenko, Dmitry – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. a3 Be7 8. O-O c5 9. b3 Bb7 10. Bb2 Nbd7
World Blitz 2015 – Round 17.8 – Mamedyarov, Shakhriyar – 0-1 – Tomashevsky, Evgeny – G1093 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 O-O 6. Bd3 d5 7. cxd5 exd5 8. O-O c5 9. dxc5 bxc5 10. Bd2 Nc6
World Blitz 2015 – Round 19.15 – Mamedyarov, Shakhriyar – 1-0 – Harikrishna, Pentala – G1166 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 O-O 6. Bd3 d5 7. cxd5 exd5 8. O-O Ba6 9. Bxa6 Nxa6 10. Qd3 Qc8

E52a — Main Line

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 b6

Eval: [+0.16]

Les coups candidats

7.O-O — 77.0% (2108 parties) →

Ambassadeurs : Babula, Vlastimil (19x), Gligoric, Svetozar (15x), Donner, Jan-Hein (13x), Knaak, Rainer (13x), Taimanov, Mark (12x), Portisch, Lajos (12x), Jussupow, Artur (12x), Navara, David (11x)

7.cxd5 — 14.9% (408 parties)

Ambassadeurs : Goltseva, Ekaterina (4x), Vetokhin, Savva (4x), Donner, Jan-Hein (3x), Bisguier, Arthur B (3x), Chatalbashev, Boris (3x), Mamedyarov, Shakhriyar (3x), Deac, Bogdan-Daniel (3x), Urkedal, Frode Olav Olsen (3x)

7.a3 — 7.1% (194 parties)

Ambassadeurs : Aleksandrov Ivanchev, Aleksandar (7x), Flear, Glenn C (6x), Knaak, Rainer (5x), Ibragimov, Ildar (4x), Potkin, Vladimir (3x), Kögeler, Aart (3x), Qiu, Mengjie (3x), Chandler, Murray G (2x)

7.Bd2 — 0.5% (15 parties)

Ambassadeurs : Garcia Palermo, Carlos Horacio (2x), Lilienthal, Andor (1x), Sokolsky, Alexey (1x), Sokolov, Andrei (1x), Sokolov, Ivan (1x), Perleberg, Olaf (1x), Johnson, Chris (1x), Varga, Zoltan (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.O-O	7.cxd5	7.a3	7.Bd2
<1800	51	76%	16%	8%	—
1800-2200	578	77%	16%	6%	1%
2200-2600	1491	76%	15%	8%	0%
2600+	175	74%	17%	9%	—

Évolution par décennie (% des parties)

Décennie	N parties	7.O-O	7.cxd5	7.a3	7.Bd2
1910s	1	—	100%	—	—
1920s	2	100%	—	—	—
1930s	2	—	100%	—	—
1940s	5	60%	20%	—	20%
1950s	82	89%	7%	4%	—
1960s	76	74%	20%	5%	—
1970s	92	93%	3%	3%	—
1980s	151	79%	7%	11%	1%
1990s	294	81%	9%	9%	1%
2000s	360	80%	12%	6%	1%
2010s	1268	75%	16%	8%	0%
2020s	406	70%	24%	5%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.O-O	75%	70%	▼ -4.9%
7.cxd5	16%	24%	▲ +7.7%
7.a3	8%	5%	▼ -3.0%
7.Bd2	0%	1%	▲ +0.5%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 9 parties
Smyslov, Vladimir — 4 parties
Carlsen, Magnus — 2 parties
Ju, Wenjun — 2 parties
Euwe, Max — 1 partie
Karpov, Aleksandr — 1 partie
Kramnik, Vladimir — 1 partie
Hou, Yifan — 1 partie

Parties historiques

7.O-O — 77.0% (2108 parties)

1924 — Van Kranendonk, AG. vs Kroone, Gerard — 0-1 — NED
1928 — Bogoljubow, Efim vs Euwe, Max — 1-0 — The Netherlands
1946 — Batuev, Andrey M vs Prucha, Karel — 1-0 — Leningrad RUS
1947 — Szabo, Laszlo vs Lenner Leopold — 1-0 — Budapest HUN
1949 — Konstantinopolsky, Alexander vs er-Steinsapir, Yu — 1/2-1/2 — Moscow RUS

7.cxd5 — 14.9% (408 parties)

1911 — Salwe, Georg vs Schlechter, Carl — 1-0 — Carlsbad CZE
1938 — Landau, Salo vs Prins, Lodewijk — 1-0 — Margate B
1938 — Van Doesburgh, Gerrit vs Solmanis, Zigfrids — 1-0 — Margate ENG
1941 — Lasker, Edward vs Fine, Reuben — 0-1 — New York, NY USA
1952 — Golombek, Harry vs Keres, Paul — 1/2-1/2 — Budapest HUN

7.a3 — 7.1% (194 parties)

1954 — Rabar, Braslav vs Nievergelt, Erwin — 1/2-1/2 — Belgrade SRB
1955 — Negyesy, Gyorgy vs Hacsak, Istvan — 1-0 — Budapest HUN
1956 — Alvarez del Monte, Jose vs Eliskases, Erich — 0-1 — Montevideo URU
1961 — Beach, Richard A vs Scholes, James Edward — 1-0 — Aberystwyth
1964 — Bolbochan, Julio vs Bielicki, Carlos — 1-0 — Buenos Aires ARG

7.Bd2 — 0.5% (15 parties)

1949 — Lilienthal, Andor vs Sokolsky, Alexey — 1/2-1/2 — Moskou ch-URS
1985 — Garcia Palermo, Carlos Horacio vs Sokolov, Andrei — 1/2-1/2 — Lucerne SUI
1985 — Garcia Palermo, Carlos Horacio vs Sokolov, Ivan — 1/2-1/2 — Lucerne SUI
1996 — Perleberg, Olaf vs Johnson, Chris — 1-0 — corr IECG Cup II prel
1999 — Varga, Zoltan vs Kummer, Helmut — 1-0 — Austria

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