D46d — Semi-Slav: Bogoljubow, 7.O-O O-O 8.b3

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 Be7 7.O-O O-O 8.b3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte e5.

Atouts. Les Blancs s'appuient sur la case forte e5, un fou actif en d3 et la paire de fous.

Côté adverse. Le fou enfermé en c8.

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

Plans. Bd2 (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 un avant-poste en e4, un fou actif en e7 et la paire de fous.

Côté adverse. Le fou enfermé en c1.

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

Plans. ...c5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→e3, b3→c4, e3→d4	● c6→d5, e6→d5, b7→c6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v1)	—
Cases faibles	● e4	—
Centre	● d4 (2v0), ● e5 (2v1)	● d5 (3v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 3)
Bd3	● Bd3 Actif (mob. 7)
Be7		● Be7 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5, ● e3-e4	● …c6-c5, ● …e6-e5

Partie
1924 Hastings Premier Section 2 /25 5th – Round 5 – Mackenzie, Arthur J – 0-1 – Norman, George – G18 1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Qe2 Bb7 10. Bb2 c5
1929 BCF Ch 22nd – Round 1 – Michell, Reginald – 1-0 – Fairhurst, William – G1 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 Qa5 9. Bb2 dxc4 10. bxc4 e5
1930 Kent County Premier – Round 1 – Abrahams, Gerald – 1-0 – Spencer, Edmund – G1 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nd7 5. Nf3 Ngf6 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Ne5 Nxe5
1931 Bled – Round 1 – Flohr, Salo – 1-0 – Maroczy, Geza – G13 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Rc8
1931 Prague ol – Round 7 – Andersen, Erik – 1-0 – Naegeli, Oskar – G24 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 Re8 9. Bb2 b6 10. e4 dxe4
1932 Bad Sliac – Round 1 – Rohacek, Ivan – 1/2-1/2 – Treybal, Karel – G12 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 c5 10. cxd5 Nxd5
1933 Folkestone olm – Round 15 – Staahlberg, Gideon – 0-1 – Apscheneek, Fricis – G19 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 e6 5. Bd3 Nbd7 6. O-O Be7 7. Nc3 O-O 8. b3 Qc7 9. Bb2 dxc4 10. bxc4 e5
1933 Moravska Ostrava – Round ? – Gruenfeld, Ernst – 1-0 – Herzog, Franz – G9 1. d4 d5 2. c4 Nf6 3. Nf3 c6 4. e3 e6 5. Bd3 Nbd7 6. O-O Be7 7. Nc3 O-O 8. b3 Qa5 9. Bb2 dxc4 10. bxc4 Ba3
1934 Leningrad – Round 1 – Botvinnik, Mikhail – 1-0 – Rabinovich, Ilya Mar – G3 1. c4 c6 2. d4 d5 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Qe2 Bb7 10. Rd1 Qc7
1934 Sitges – Round 12 – Tartakower, Savielly – 1-0 – Gallego Llorens, Rafael – G66 1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 Nf6 5. Bd3 Nbd7 6. O-O Be7 7. Nc3 O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1935 GER-SWE m – Round 4 – Bogoljubow, Efim – 1-0 – Larsson, Ernst – G10 1. Nf3 Nf6 2. d4 d5 3. c4 c6 4. e3 e6 5. Bd3 Be7 6. O-O O-O 7. Nc3 Nbd7 8. b3 Re8 9. Bb2 Bf8 10. Qc2 b6
1935 Luhacovice – Round ? – Rohacek, Ivan – 0-1 – Olexa, Vilem – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1935 Margate – Round 7 – Klein, Ernst – 1/2-1/2 – Thomas, George Alan – G34 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 Re8 9. Bb2 b6 10. Qe2 Bb7
1935 Vienna – Round 4 – Glass, Eduard – 1/2-1/2 – De Wolf, Bernard – G27 1. d4 e6 2. Nf3 d5 3. c4 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. cxd5 cxd5
1936 Budapest IT – Round 5 – Szabo, Laszlo – 0-1 – Lovas, Gyula – G7 1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Nf3 c6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 Qa5 9. Qc2 Rd8 10. a3 dxc4
1936 Muenchen ol – Round 10 – Andersen, Erik – 1-0 – Bodstrup Christoffersen, Jens Emil – G23 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Be7 6. Bd3 Nbd7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1936 Nottingham – Round 1 – Euwe, Max – 1-0 – Winter, William – G14 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1936 Olympiad (unofficial) – Round 10 – Eliskases, Erich – 1-0 – Geshev G – G77 1. d4 d5 2. c4 c6 3. e3 e6 4. Nf3 Nf6 5. Nc3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 Nh5 9. e4 dxe4 10. Nxe4 Ndf6
1936 Olympiad (unofficial) – Round 13 – Mueller, Hans – 1-0 – Trompowsky, Octavio – G100 1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 Be7 7. b3 O-O 8. O-O Re8 9. Qe2 a6 10. e4 Bb4
1937 Gothenburg m – Round 3 – Fine, Reuben – 1/2-1/2 – Jonsson, Erik – G9 1. Nf3 Nf6 2. d4 e6 3. c4 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 Re8 9. Bb2 b6 10. Qe2 Bb7
1937 Kemeri – Round 1 – Landau, Salo – 1-0 – Feygin, Michael – G17 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Rc8
1938 Argentina – Round 19 – Guimard, Carlos E – 1-0 – Acosta Ojeda, Juan David – G49 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. e3 c6 6. Bd3 Nbd7 7. O-O O-O 8. b3 Qa5 9. Qe1 dxc4 10. bxc4 Qh5
1938 Ch (Men) Argentina ARG – Round 18 – Palau, Luis – 0-1 – Camara Bordon, Luis Marcos – G24 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1938 Montevideo – Round 1 – Guimard, Carlos E – 1-0 – Balparda, Julio – G3 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Bd3 Nbd7 6. O-O Be7 7. Nc3 O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1938 Nice – Round 9 – Reilly, Brian – 1-0 – Plomion, G. – G12 1. d4 d5 2. Nf3 Nf6 3. e3 Nbd7 4. c4 c6 5. Nc3 e6 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Qc7
1938 URS Ch sf Leningrad RUS – Round 1 – Botvinnik, Mikhail – 1-0 – Poliak, Abram – G25 1. Nf3 d5 2. c4 e6 3. d4 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 Bb4 9. Bb2 Qe7 10. a3 Bd6
1939 Stuttgart – Round 10 – Eliskases, Erich – 1-0 – Szily, Jozsef – G59 1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. Nc3 e6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1941 Buenos Aires Circulo – Round 1 – Najdorf, Miguel – 1-0 – Pilnik, Herman – G1 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Nbd7 5. e3 Be7 6. Bd3 O-O 7. O-O c6 8. b3 Qa5 9. Qc2 dxc4 10. bxc4 e5
1941 GER Ch 8th – Round 2 – Mueller, Hans – 1/2-1/2 – Brunoehler, Max – G5 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Be7 6. Bd3 Nbd7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1941 Mar del Plata – Round 16 – Najdorf, Miguel – 1-0 – Czerniak, Magdalena – G122 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Bd3 Be7 6. O-O Nbd7 7. Nc3 O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1942 Chocen – Round ? – Thelen, Bedrich – 0-1 – Kottnauer, Cenek – G10 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. Nf3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1942 Duras 60 Memorial – Round 3 – Saemisch, Friedrich – 1/2-1/2 – Kottnauer, Cenek – G10 1. d4 d5 2. c4 c6 3. Nf3 e6 4. e3 Nd7 5. Bd3 Ngf6 6. O-O Be7 7. Nc3 O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Rc8
1942 Duras 60 Memorial – Round 8 – Junge, Kai – 1-0 – Kottnauer, Cenek – G32 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nd7 5. Bd3 Ngf6 6. Nf3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1945 Moskou ch-URS – Round 1 – Botvinnik, Mikhail – 1-0 – Koblencs, Alexander – G19 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Rc8
1945 URS-sf – Round 5 – Saigin, Vladimir – 1-0 – Poliak, Abram – G17 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 Be7 5. Nf3 O-O 6. Bd3 Nbd7 7. O-O c6 8. b3 b6 9. Bb2 Bb7 10. Qe2 dxc4
1946 Mar del Plata – Round 10 – Hounie Fleurquin, Carlos – 1-0 – Sanguinetti, Ricardo – G92 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Bd3 Be7 6. Nf3 O-O 7. O-O Nbd7 8. b3 b6 9. Qe2 Bb7 10. Rd1 Bb4
1946 Pittsburgh Open – Round 1 – Kramer, George – 1-0 – Aguilar Aleman, Diego Ignacio – G108 1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. Nc3 e6 5. e3 Be7 6. Bd3 Nbd7 7. O-O O-O 8. b3 b6 9. Ne5 Bb7 10. f4 c5
1946 POL Ch – Round 14 – Szapiro, Marek – 1-0 – Makarczyk, Kazimierz – G81 1. d4 d5 2. Nf3 e6 3. c4 c6 4. e3 Nf6 5. Nc3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1947 Moscow Ch – Round ? – Fridstein, German – 1/2-1/2 – Chistiakov, Alexander – G41 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. e3 c6 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Qc7
1947 Schlechter Memorial – Round 2 – Gruenfeld, Ernst – 1-0 – Turiansky, M – G4 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 dxc4 9. bxc4 Qa5 10. Qc2 e5
1947 Vienna SCHLECHTER-mem – Round 4 – Gruenfeld, Ernst – 1-0 – Palda, Karl – G8 1. d4 d5 2. Nf3 e6 3. c4 c6 4. e3 Nf6 5. Nc3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1948 Budapest – Round 6 – Barcza, Gedeon – 1/2-1/2 – Szily, Jozsef – G30 1. c4 e6 2. d4 d5 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Qc7
1948 Karlovy Vary – Round 11 – Sajtar, Jaroslav – 1/2-1/2 – Vidmar, Marjeta – G109 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 dxc4
1948 Venice – Round 1 – Giustolisi, Alberto – 1/2-1/2 – Castaldi, Vincenzo – G18 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 e6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 dxc4 10. bxc4 Bb7
1948 Venice – Round 1 – Najdorf, Miguel – 1-0 – Primavera, Giuseppe – G4 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Be7 6. Bd3 O-O 7. b3 Nbd7 8. O-O c5 9. Bb2 b6 10. Qe2 Bb7
1949 Budapest-Moscow – Round 10 – Simagin, Vladimir – 1-0 – Tipary, Lajos – G70 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Be7 6. Bd3 Nbd7 7. O-O O-O 8. b3 c5 9. cxd5 exd5 10. Bb2 b6
1949 Budapest-Moscow – Round 12 – Smyslov, Vladimir – 1-0 – Szily, Jozsef – G87 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Qc7
1949 Budapest-Moscow – Round 14 – Lilienthal, Andor – 1-0 – Tipary, Lajos – G101 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Be7 6. Bd3 Nbd7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1949 HUN-NLD – Round ? – Kraemer, Adolf – 1/2-1/2 – Szily, Jozsef – G2 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Qc7
1949 Trencianske Teplice – Round 10 – Ujtelky, Maximilian – 1-0 – Szily, Jozsef – G57 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Qc7
1950 HUN-ch06 – Round 1 – Gereben, Erno – 1/2-1/2 – Vajda, Arpad – G66 1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Rc8
1950 URS Ch sf – Round 4 – Tarasov, Vitaly – 1/2-1/2 – Chistiakov, Alexander – G7 1. d4 d5 2. Nf3 c6 3. c4 e6 4. Nc3 Nf6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Qc7
1950 Venice – Round 6 – Kotov Lundqvist, Alex – 0-1 – De Paoli, Emilio – G57 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Rc8
1951 Mar del Plata zt – Round 14 – Luckis, Marcos – 1-0 – Bauza, Lorenzo – G137 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1951 Schlechter Memorial – Round ? – Gruenfeld, Ernst – 1-0 – Steiner, Herman – G10 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1952 JUG Ch – Round 13 – Gligorić, Svetozar – 1-0 – Krzisnik, Zvonko – G78 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Be7 6. Bd3 Nbd7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Rc8
1954 Montevideo – Round 7 – Toran Albero, Roman – 1-0 – Bauza, Lorenzo – G65 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1956 Moscow olm prel – Round 5 – Bouwmeester, Hans – 1/2-1/2 – Burstein, S – G142 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Be7 6. Bd3 O-O 7. O-O Nbd7 8. b3 a6 9. Qe2 Re8 10. Bb2 Qa5
1957 Reggio Emilia ch ITA – Round 11 – Romani, Elio – 1-0 – Laco, Giuseppe – G39 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 c6 5. Nf3 Be7 6. Bd3 O-O 7. O-O Nbd7 8. b3 Re8 9. Bb2 Nf8 10. Ne5 N6d7
1958 Manhattan CC Ch fin 5758 – Round 1 – Bisguier, Arthur B – 1-0 – Shainswit, George – G1 1. c4 Nf6 2. d4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Bd3 Be7 7. b3 O-O 8. O-O b6 9. Bb2 Bb7 10. Qe2 a6
1959 CSR Ch – Round 5 – Kozma, Julius – 1/2-1/2 – Hofmann, Vilem – G35 1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Nf3 c6 5. e3 Be7 6. b3 Nbd7 7. Bd3 O-O 8. O-O c5 9. Bb2 b6 10. Qe2 Bb7
1960 BUL-ch14 Sofia BUL – Round 8 – Neikirkh, Oleg – 1-0 – Pipkov, Ljuben – G29 1. c4 Nf6 2. Nf3 c6 3. e3 d5 4. d4 e6 5. Nc3 Be7 6. Bd3 Nbd7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 Rc8
1960 URU Ch – Round ? – Bauza, Lorenzo – 1-0 – Galli Acosta, Alejandro Pedro – G1 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Nbd7 5. e3 Be7 6. b3 c6 7. Bd3 O-O 8. O-O a6 9. a4 b6 10. Bb2 Bb7
1961 Bled – Round 2 – Trifunovic, Petar – 1-0 – Germek, Milan – G26 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1964 ESP Ch 29th – Round 18 – Medina-Garcia, Antonio – 1-0 – Dominguez Sanz, Juan Pedro – G73 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Be7 6. Bd3 Nbd7 7. O-O O-O 8. b3 c5 9. Bb2 b6 10. Qe2 Bb7
1964 Tel Aviv olm fin-B – Round 6 – Uhlmann, Wolfgang – 1/2-1/2 – Beni, Alfred – G65 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1965 Sinaia stud ol final – Round 3 – Janata, Michael – 1/2-1/2 – Kagan, Shimon – G18 1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. Nc3 c6 5. e3 Be7 6. Bd3 O-O 7. O-O Nbd7 8. b3 b6 9. Bb2 Bb7 10. Qe2 Rc8
1966 La Habana olm prel – Round 3 – Fairhurst, William – 1-0 – Philippe, Georges – G84 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Be7 6. Bd3 O-O 7. O-O Nbd7 8. b3 Re8 9. Bb2 Bd6 10. e4 dxe4
1966 La Habana olm prel – Round 5 – Panno, Oscar – 1-0 – Brinck-Claussen, Bjorn – G75 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Bd3 Nbd7 6. O-O Be7 7. b3 O-O 8. Nc3 c5 9. Bb2 b6 10. Qe2 Bb7
1966 Reggio Emilia 6667 09th – Round 1 – Kozma, Julius – 1-0 – Mondaini, Giulio Cesare – G3 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 c5
1967 POL Ch 24th – Round 6 – Adamski, Jan – 0-1 – Sliwinski, Henryk – G12 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 c6 5. Bd3 Nbd7 6. O-O Be7 7. b3 O-O 8. Nc3 Re8 9. Bb2 Bd6 10. Qc2 h6
1969 Sarajevo – Round 1 – Uhlmann, Wolfgang – 1-0 – Janosevic, Dragoljub – G5 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Be7 7. b3 O-O 8. O-O b6 9. Bb2 Bb7 10. Qe2 Rc8
1969 Sarajevo – Round 14 – Uhlmann, Wolfgang – 1-0 – Janosevic, Dragoljub – G92 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Be7 7. b3 O-O 8. O-O b6 9. Bb2 Bb7 10. Qe2 Re8
Interpolis 1989 – Round 3 – Piket, Jeroen – 1/2-1/2 – Ljubojevic, Ljubomir – G12 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qc2 Rc8
Petropolis Interzonal 1973 – Round 9 – Hort, Vlastimil – 1-0 – Biyiasas, Peter – G33 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Be7 6. b3 Nbd7 7. Bd3 O-O 8. O-O b6 9. Bb2 Bb7 10. Qe2 c5
Thessaloniki olm 1988 – Round 6 – Korchnoi, Viktor – 1/2-1/2 – Sisniega Campbell, Marcel – G51 1. c4 Nf6 2. Nf3 c6 3. Nc3 d5 4. e3 e6 5. d4 Nbd7 6. Bd3 Be7 7. O-O O-O 8. b3 b6 9. Bb2 Bb7 10. Qe2 dxc4

D46d — Bogoljubow

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 Be7 7.O-O O-O 8.b3

Les coups candidats

8…b6 — 54.3% (777 parties)

Ambassadeurs : Szily, Jozsef (5x), Uhlmann, Wolfgang (4x), Gruenfeld, Ernst (4x), Kottnauer, Cenek (3x), Neikirkh, Oleg (3x), Janosevic, Dragoljub (3x), Ribli, Zoltan (3x), Andersson, Ulf (3x)

8…Re8 — 15.8% (226 parties)

Ambassadeurs : Curtis, Rory (2x), Teverovski, Bogoljub (2x), Petrosian, Tigran A. (1x), Oganesian Hakobian, Artur (1x), Klein, Ernst (1x), Thomas, George Alan (1x), Herrmann, Hans, Dr. (1x), Nuernberg, Friedrich (1x)

8…Qc7 — 7.5% (108 parties)

Ambassadeurs : Ngo, Ngoc Quang (2x), Lasker, Emanuel (1x), Hanham, James (1x), Bogoljubow, Efim (1x), Klinger, Ma. Jose (1x), Staahlberg, Gideon (1x), Apscheneek, Fricis (1x), Dyckhoff, E. (1x)

8…a6 — 5.0% (71 parties)

Ambassadeurs : Gagloshvili, Raissa (2x), Basson, Heinrich (2x), De Souza Mendes, Joao (1x), Castro Souza Luiz (1x), Bauza, Lorenzo (1x), Galli Acosta, Alejandro Pedro (1x), Gligoric, Svetozar (1x), Puc, Stojan (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…b6	8…Re8	8…Qc7	8…a6
<1800	83	29%	24%	10%	4%
1800-2200	559	48%	18%	9%	6%
2200-2600	347	74%	10%	2%	5%
2600+	8	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8…b6	8…Re8	8…Qc7	8…a6
1890s	1	—	—	100%	—
1920s	6	50%	—	17%	—
1930s	55	60%	9%	7%	—
1940s	40	68%	8%	—	2%
1950s	33	67%	18%	6%	3%
1960s	28	54%	14%	4%	7%
1970s	29	66%	10%	7%	—
1980s	53	74%	9%	4%	2%
1990s	230	55%	19%	6%	4%
2000s	424	52%	17%	8%	6%
2010s	472	49%	16%	9%	6%
2020s	60	63%	12%	8%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…b6	49%	63%	▲ +14.0%
8…Re8	16%	12%	▼ -4.2%
8…Qc7	9%	8%	-0.4%
8…a6	6%	7%	▲ +0.5%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 4 parties
Kasparov, Garry — 2 parties
Lasker, Emanuel — 1 partie
Euwe, Max — 1 partie
Smyslov, Vladimir — 1 partie

Parties historiques

8…b6 — 54.3% (777 parties)

1924 — Mackenzie, Arthur J vs Norman, George — 0-1 — Hastings Town Hall
1926 — Duhm, Andreas vs Von Gottschall, Hermann — 0-1 — Hannover GER
1929 — Tereba, R. vs Vecsey, Zoltan — 0-1 — Prague CZE
1930 — Abrahams, Gerald vs Spencer, Edmund — 1-0 — Canterbury
1930 — Shtyren vs Poliak, Abram — 0-1 — Moscow RUS

8…Re8 — 15.8% (226 parties)

1931 — Andersen, Erik vs Naegeli, Oskar — 1-0 — Prague CZE
1935 — Klein, Ernst vs Thomas, George Alan — 1/2-1/2 — Margate ENG
1935 — Bogoljubow, Efim vs Larsson, Ernst — 1-0 — Sopot
1936 — Mueller, Hans vs Trompowsky, Octavio — 1-0 — Munich GER
1937 — Fine, Reuben vs Jonsson, Erik — 1/2-1/2 — Goteborg SWE

8…Qc7 — 7.5% (108 parties)

1893 — Lasker, Emanuel vs Hanham, James — 1-0 — New York, NY USA
1923 — Skifters vs Lie Niels — 1-0 — Copenhagen DEN
1931 — Dyckhoff, E. vs Klutke — 1-0 — corr Bundes-ch
1933 — Staahlberg, Gideon vs Apscheneek, Fricis — 0-1 — Folkestone ENG
1935 — Bogoljubow, Efim vs Klinger, Ma. Jose — 0-1 — sim. Basel

8…a6 — 5.0% (71 parties)

1947 — De Souza Mendes, Joao vs Castro Souza Luiz — 1-0 — Recife
1956 — Bouwmeester, Hans vs Burstein, S — 1/2-1/2 — Moscow RUS
1960 — Bauza, Lorenzo vs Galli Acosta, Alejandro Pedro — 1-0 — ?
1963 — Gligoric, Svetozar vs Puc, Stojan — 1-0 — Yugoslavia
1983 — Shapiro, Daniel vs Herbst, Jean Luc — 1/2-1/2 — New York, NY USA

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