C87l — Spanish: Closed, Averbakh, 7.c3 O-O 8.d4 Bd7 9.Nbd2

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6 7.c3 O-O 8.d4 Bd7 9.Nbd2 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur un fou actif en a4 et la paire de fous.

Côté adverse. Le fou enfermé en e7.

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

Plans. Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte g4, un fou actif en d7 et la paire de fous.

Côté adverse. Le fou enfermé en c1.

Plans. ...Bg4 (Clouer Nf3) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, c3→d4	● d6→e5, b7→a6, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● g4 (2v0)
Cases faibles	—	—
Centre	● e4 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Ba4	● Ba4 Actif (mob. 4)
Bd7		● Bd7 Actif (mob. 6)
Be7		● Be7 Enfermé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	1 (a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c3-c4, ● d4-d5	● …d6-d5

Partie
1905 It (Men) Stockholm SWE – Round 23 – Spielmann, Rudolf – 1-0 – Burn, Amos – G82 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 Bd7 7. c3 Be7 8. Nbd2 O-O 9. Re1 exd4 10. cxd4 d5
1905 Ostende – Round 14 – Teichmann, Richard – 0-1 – Burn, Amos – G42 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Be7 7. c3 O-O 8. d4 Bd7 9. Nbd2 exd4 10. cxd4 d5
1914 St Petersburg prel – Round 1 – Lasker, Emanuel – 1-0 – Gunsberg, Isidor – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. c3 Be7 8. d4 O-O 9. Nbd2 b5 10. Bb3 exd4
1924 BCF Ch 17th – Round 9 – Michell, Reginald – 1-0 – Gibson, William – G43 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. d4 Bd7 9. Nbd2 b5 10. Bb3 h6
1925 Moscow – Round 1 – Yates, Frederic D – 0-1 – Romanovsky, Pjotr – G96 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. d4 Bd7 9. Nbd2 exd4 10. cxd4 Nb4
1927 Kecskemet f I – Round 1 – Asztalos, Lajos – 0-1 – Ahues, Carl – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 Bd7 8. d4 O-O 9. Nbd2 Be8 10. Nf1 Nd7
1927 Kecskemet f I – Round 3 – Steiner, Laszlo – 1/2-1/2 – Alekhine, Alexander – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. c3 Be7 8. d4 O-O 9. Nbd2 Kh8 10. h3 Be8
1927 Kecskemet f I – Round 7 – Steiner, Laszlo – 1/2-1/2 – Kmoch, Hans – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. c3 Be7 8. d4 O-O 9. Nbd2 Be8 10. h3 Nd7
1928 Vienna – Round 8 – Wolf, Siegfried – 0-1 – Reti, Richard – G51 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 Bd7 7. c3 Be7 8. Re1 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1930 Ebensee – Round 5 – Kunert, Franz – 0-1 – Eliskases, Erich – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. c3 Be7 8. d4 O-O 9. Nbd2 Be8 10. Nf1 exd4
1930 San Remo – Round 1 – Yates, Frederic D – 1/2-1/2 – Ahues, Carl – G79 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 Bd7 8. d4 O-O 9. Nbd2 exd4 10. cxd4 Re8
1932 BCF Ch 25th – Round 10 – Yates, Frederic D – 1-0 – White, Alexander – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. c3 Be7 8. d4 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1932 Leningrad – Round 1 – Ilyin Zhenevsky, Alexander – 1-0 – Ilyin Zhenevsky, Alexander – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 Bd7 8. d4 O-O 9. Nbd2 Be8 10. Nf1 Kh8
1932 Pasadena – Round 6 – Fink, Adolf Jay – 0-1 – Reshevsky, Samuel – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nf6 7. Re1 Be7 8. d4 O-O 9. Nbd2 b5 10. Bb3 Ne8
1933 Paris – Round 4 – Znosko-Borovsky, Eugene – 0-1 – Alekhine, Alexander – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. Re1 Be7 8. d4 O-O 9. Nbd2 Be8 10. Bxc6 Bxc6
1934 Zuerich – Round 1 – Johner, Hans – 1-0 – Rosselli del Turco, Stefano – G80 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. Re1 Be7 8. d4 O-O 9. Nbd2 b5 10. Bb3 a5
1935 Vienna – Round 1 – Gereben, Erno – 1-0 – Muller, Hans P – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. c3 Be7 8. d4 O-O 9. Nbd2 Be8 10. Bc2 Nd7
1938 Plymouth Jubilee – Round 5 – Mallison, Harold Vincent – 0-1 – Alekhine, Alexander – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. d4 Bd7 7. O-O Be7 8. Re1 O-O 9. Nbd2 Be8 10. Nf1 Nd7
1940 Budapest – Round 2 – Szabo, Ladislav – 0-1 – Euwe, Max – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. c3 Be7 8. d4 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1942 Moscow RUS – Round 1 – Smyslov, Vladimir – 1/2-1/2 – Boleslavsky, Isaac – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. c3 Be7 8. d4 O-O 9. Nbd2 Be8 10. Nf1 Nd7
1943 BRA Ch m – Round 5 – Charlier, Antoine – 0-1 – De Souza Mendes, Joao – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1944 NSW Ch – Round ? – Steiner, Lajos – 1-0 – Klass Harry – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. Nbd2 exd4 10. cxd4 Kh8
1946 Moscow RUS – Round 1 – Averbakh, Yuri L – 0-1 – Estrin, Yakov – G38 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. Re1 Be7 8. d4 O-O 9. Nbd2 Be8 10. Nf1 Nd7
1946 Zaanstreek – Round 5 – Szabo, Ladislav – 1-0 – Soultanbeieff, Victor – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. Re1 Be7 8. d4 O-O 9. Nbd2 b5 10. Bb3 Ne8
1947 Kassel – Round 1 – Unzicker, Wolfgang – 1-0 – Bohatyrchuk, Fedir Parfenovych – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. c3 Be7 8. d4 O-O 9. Nbd2 b5 10. Bc2 Ne8
1947 Kassel – Round 7 – Unzicker, Wolfgang – 1-0 – Bohatirchuk, Fedor – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. Re1 Be7 8. d4 O-O 9. Nbd2 b5 10. Bc2 Ne8
1947 Nt Lueneburg GER – Round 17 – Braun Harms, Daniel – 0-1 – Ahues, Carl – G45 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. d4 Bd7 9. Nbd2 Be8 10. Nf1 Nd7
1948 Buenos Aires/La Plata it – Round 1 – Camara Bordon, Luis Marcos – 0-1 – Guimard, Carlos E – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. Nbd2 Be8 10. Nf1 Nd7
1949 Moskou ch-URS – Round 1 – Smyslov, Vladimir – 1-0 – Liublinsky, Victor – G115 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 Be7 8. O-O O-O 9. Re1 Be8 10. Bb3 Nd7
1949 URS Ch, semi final – Round 1 – Abramov, Leonid – 1/2-1/2 – Liublinsky, Victor – G75 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 Be7 8. O-O O-O 9. Re1 Be8 10. Nf1 exd4
1950 CSR-BUL Prague CZE – Round 2 – Zita, Frantisek – 1-0 – Ivanov, Dimitar – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 Be7 8. O-O O-O 9. Re1 Be8 10. Qe2 Nd7
1950 URS Ch sf – Round 14 – Saigin, Vladimir – 1/2-1/2 – Lipnitsky, Isaac – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. d4 Bd7 7. Nbd2 Be7 8. O-O O-O 9. Re1 exd4 10. cxd4 Nb4
1951 Bucharest GMT 2nd – Round 12 – Troianescu, Octav – 1-0 – Szapiel, Henryk – G50 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 Be7 8. O-O O-O 9. Re1 exd4 10. cxd4 Nb4
1951 Moskou ch-URS – Round 1 – Averbakh, Yuri L – 1-0 – Smyslov, Vladimir – G107 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1951 Staunton Memorial – Round 2 – Broadbent, Reginald – 1-0 – Bogoljubow, Efim – G14 1. e4 Nc6 2. Nf3 e5 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. c3 Be7 8. d4 O-O 9. Nbd2 exd4 10. cxd4 Re8
1951 Zonal Bad Pyrmont GER – Round 12 – Matanovic, Aleksandar – 1/2-1/2 – Bogoljubow, Efim – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. c3 Be7 8. d4 O-O 9. Nbd2 exd4 10. cxd4 Re8
1952 Budapest – Round 1 – Smyslov, Vladimir – 1-0 – Barcza, Gedeon – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 Be7 8. O-O O-O 9. Re1 exd4 10. cxd4 Nb4
1952 Budapest – Round 14 – Smyslov, Vasily – 1-0 – Barcza, Gedeon – G129 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. d4 Bd7 7. Nbd2 Be7 8. O-O O-O 9. Re1 exd4 10. cxd4 Nb4
1952 Helsinki olm – Round 1 – Tarnowski, Alfred – 0-1 – Enevoldsen, Jens – G234 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nf6 7. Re1 Be7 8. d4 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1952 URS Ch sf – Round ? – Byvshev, Vasily – 1-0 – Klaman, Konstantin Mikhailovich – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. d4 Bd7 7. Nbd2 Be7 8. O-O O-O 9. Re1 b5 10. Bb3 Qc8
1953 JUG Ch – Round 12 – Djurasevic, Bozidar – 1/2-1/2 – Preinfalk, Anton – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. Re1 Be7 8. d4 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1953 POL-ch11 – Round 6 – Luczynowicz, Waclaw – 0-1 – Grabczewski, Romuald – G38 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. Re1 Be7 7. c3 Bd7 8. d4 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1953 Zagreb – Round 14 – Trifunovic, Petar – 1/2-1/2 – Preinfalk, Anton – G111 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. Re1 Be7 8. d4 O-O 9. Nbd2 Kh8 10. Bxc6 Bxc6
1954 Belgrade – Round 1 – Janosevic, Dragoljub – 1/2-1/2 – Trifunovic, Petar – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. d4 Be7 8. Nbd2 O-O 9. Re1 exd4 10. cxd4 Nb4
1954 Leningrad ch22-SU sf – Round 6 – Byvshev, Vasily – 1/2-1/2 – Klaman, K. – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. d4 Bd7 7. Nbd2 Be7 8. O-O O-O 9. Re1 Qe8 10. Bxc6 Bxc6
1954 Munich zt – Round 7 – Unzicker, Wolfgang – 1-0 – Aitken, James – G46 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. Re1 Bd7 7. c3 Be7 8. d4 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1954 URS Ch, semi final – Round 1 – Lilienthal, Andor – 1-0 – Sokolsky, Alexey – G58 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 Be7 8. O-O O-O 9. Re1 exd4 10. cxd4 Nb4
1954 URS Team Ch – Round 5 – Klavins, Janis – 1-0 – Shaposhnikov, Yury – G86 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. d4 Bd7 7. Nbd2 Be7 8. O-O O-O 9. Re1 exd4 10. cxd4 Nb4
1954 URS Team Ch – Round 9 – Byvshev, Vasily – 1-0 – Klovans, Janis – G165 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 Bd7 8. d4 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1955 Gothenburg Interzonal – Round 15 – Unzicker, Wolfgang – 1-0 – Sliwa, Bogdan – G144 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Nbd2 O-O 9. Re1 exd4 10. cxd4 Nb4
1955 Gothenburg Interzonal – Round 20 – Keres, Paul – 1-0 – Sliwa, Bogdan – G192 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Nbd2 O-O 9. Re1 exd4 10. cxd4 Nb4
1955 Moscow Ch – Round 6 – Khasin, Abram – 1-0 – Ragozin, Viacheslav – G41 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. d4 Be7 8. Nbd2 O-O 9. Re1 Be8 10. Bb3 a5
1956 CSR Ch – Round 5 – Fichtl, Jiri – 0-1 – Sefc, Jan – G45 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nf6 7. d4 Be7 8. Re1 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1956 Marianske Lazne/Praha – Round 16 – Balanel, Ion – 1/2-1/2 – Sefc, Jan – G106 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 Be7 8. O-O O-O 9. Re1 exd4 10. cxd4 Nb4
1956 Moscow olm fin-A – Round 9 – Smyslov, Vladimir – 1-0 – Poulsen, Christian – G152 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. Nbd2 b5 10. Bb3 a5
1956 Moscow olm prel – Round 4 – Balanel, Ion – 0-1 – Szabo, Ladislav – G131 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. d4 Bd7 7. Nbd2 Be7 8. O-O O-O 9. Re1 exd4 10. cxd4 Nb4
1956 URS Ch sf – Round ? – Suetin, Alexey S – 1/2-1/2 – Nei, Iivo – G98 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 Be7 8. O-O O-O 9. Re1 exd4 10. cxd4 d5
1956 URS Ch, semi final – Round 13 – Kotkov, Yuri – 1/2-1/2 – Buslaev, Aleksander – G100 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Be7 7. d4 Nf6 8. Nbd2 O-O 9. Re1 Be8 10. Bb3 Kh8
1957 CSR Ch – Round 2 – Fichtl, Jiri – 1-0 – Dolezal, Jiri – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. Nbd2 exd4 10. cxd4 d5
1958 HUN Ch 13th – Round 1 – Varnusz, Egon – 1/2-1/2 – Lengyel, Levente – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 Be7 8. O-O O-O 9. Re1 Be8 10. Nf1 Nd7
1958 Munich olm fin-A – Round 7 – Tringov, Georgi P – 1/2-1/2 – Sefc, Jan – G66 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1958 Munich olm fin-B – Round 8 – Kostro, Jerzy – 1/2-1/2 – Noradounghian, Georges – G79 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1958 Munich olm prel – Round 7.1 – Tal, Mikhail – 1/2-1/2 – Enevoldsen, Jens – G72 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. d4 Bd7 7. O-O Be7 8. Re1 8. ... O-O 9. Nbd2 b5 10. Bb3 exd4
1958 WchT U26 fin-B 05th – Round 7 – Gunsberger, Alexander – 1/2-1/2 – Norevall, Ulf – G50 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1959 York ch-BCF – Round 7 – Barden, Leonard – 0-1 – Aitken, James – G83 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. Re1 Be7 8. d4 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1959 York ch-BCF – Round 9 – Sergeant, Edward – 1/2-1/2 – Aitken, James – G105 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. c3 Bd7 7. d4 Be7 8. Re1 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1960 Corr Golden Knights – Round ? – Zalys, Ignas – 1-0 – Payne, Gordon – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1960 Leipzig olm fin-A – Round 5 – Unzicker, Wolfgang – 1-0 – Neikirkh, Oleg – G90 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 Be7 8. O-O O-O 9. Re1 exd4 10. cxd4 Nb4
1961 Hoogovens – Round 1 – Van den Berg, Cees – 1/2-1/2 – Donner, H. – G32 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1961 IBM – Round 7 – Johner, Hans – 0-1 – Enevoldsen, Jens – G35 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. Re1 Be7 8. d4 O-O 9. Nbd2 b5 10. Bc2 exd4
1961 Third C.F.N.C. Experts Tournament – Round 2 – Sutherland, Donald – 1/2-1/2 – Osbun, Erik – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. Re1 Be7 8. d4 O-O 9. Nbd2 exd4 10. Nxd4 Nxd4
1962 URS Team Ch – Round 1 – Tukmakov, Vladimir B – 1/2-1/2 – Butnorius, Algimantas – G92 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 Be7 8. O-O O-O 9. Re1 Be8 10. d5 Nb8
1962 Varna ol (Men) fin-C – Round 2 – Alvarez del Monte, Jose – 1-0 – Noradounghian, Georges – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 Be7 8. O-O O-O 9. Re1 exd4 10. cxd4 Nb4
1962 Varna olm – Round 1 – Thorsteinsson, Adalsteinn – 1/2-1/2 – Noradounghian, Georges – G58 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1963 DDR Ch 13th – Round 2 – Weber, Gerhard – 1/2-1/2 – Fuchs, Reinhart – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. Re1 Be7 8. d4 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1963 It – Round 9 – Jansa, Vlastimil – 0-1 – Szily, Jozsef – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. d4 Be7 8. Nbd2 O-O 9. Re1 exd4 10. cxd4 Nb4
1963 Kiev Ch – Round 5 – ? – 1-0 – Ousatchi, Mark – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nf6 7. Re1 Be7 8. d4 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1963 Paris FRA – Round 2 – Castillo Escudero Andres – 0-1 – Noradounghian, Georges – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 Be7 8. O-O O-O 9. Re1 exd4 10. cxd4 Nb4
1964 Belgrade – Round 1 – Gligoric, Svetozar – 1/2-1/2 – Spassky, Boris Vasily – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nf6 7. d4 Be7 8. Nbd2 O-O 9. Re1 exd4 10. cxd4 Nb4
1964 Chigorin Memorial – Round 12 – Damjanovic, Mato – 1-0 – Bondarevsky, Igor – G79 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. Re1 Be7 8. d4 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1964 HUN-YUG – Round 2.2 – Ivkov, Borislav – 1/2-1/2 – Szabo, Laszlo – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. d4 Bd7 9. Nbd2 exd4 10. cxd4 Nb4
1964 Kecskemet zt – Round 1 – Damjanovic, Marko – 1/2-1/2 – Bhend, Edwin – G64 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. Re1 Bd7 7. c3 Be7 8. d4 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1964 Liberation – Round 1 – Gligoric, Svetozar – 1/2-1/2 – Spassky, Boris V. – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nf6 7. d4 Be7 8. Nbd2 O-O 9. Re1 exd4 10. cxd4 Nb4
1964 Tel Aviv olm fin-A – Round 13 – Janowski, D. – 1/2-1/2 – Gligoric, Sofija – G288 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. d4 Bd7 7. Nbd2 Be7 8. O-O O-O 9. Re1 exd4 10. Nxd4 Nxd4
1965 Capablanca Memorial – Round 18 – Parma, Bruno – 0-1 – Szabo, Ladislav – G188 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. d4 Be7 8. Re1 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1965 It Zinnowitz GER – Round 7 – Spassov, Liuben – 0-1 – Lein, Anatoly – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. d4 Bd7 7. O-O Be7 8. Re1 O-O 9. Nbd2 b5 10. Bc2 Re8
1966 La Habana olm fin-B – Round 1 – Westman, Jan Erik – 1-0 – De Greif, Boris – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Re1 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1967 Capablanca Memorial – Round 14 – Jimenez Zerquera, Eleazar – 0-1 – Westerinen, Heikki M.J. – G125 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nf6 7. Re1 Be7 8. d4 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1967 IBM – Round 9 – Scholl, Eddie C – 0-1 – Ghitescu, Theodor – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. d4 Nf6 7. c3 Be7 8. Nbd2 O-O 9. Re1 Be8 10. Nf1 Nd7
1967 It II – Round 11 – Tatai, Stefano – 1/2-1/2 – Enevoldsen, Jens – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O Nf6 7. Re1 Be7 8. d4 O-O 9. Nbd2 b5 10. Bb3 exd4
1968 Kislovodsk – Round 10 – Shamkovich, Leonid – 1-0 – Ciocaltea, Victor – G77 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nf6 7. Re1 Be7 8. d4 O-O 9. Nbd2 b5 10. Bc2 Re8
1968 Lugano olm - Round 1 - Clarke, Paul R H - 1/2-1/2 - Kajan, Seppo - G279 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. O-O Be7 7. Re1 O-O 8. d4 Bd7 9. Nbd2 Be8 10. Nf1 exd4
1968 Memorial Em. Lasker – Round 12 – Vasiukov, Evgeni – 1/2-1/2 – Suetin, Alexey S – G39 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 Be7 8. O-O O-O 9. Re1 exd4 10. cxd4 Nb4
1968 Wijk aan Zee II – Round 1 – Ostojic, Predrag – 1-0 – Hartoch, Robert G – G29 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. Nbd2 Be7 8. O-O O-O 9. Re1 b5 10. Bb3 exd4
1968 Wijk aan Zee II – Round 1 – Zuckerman, Bernard – 1-0 – Hartoch, Robert G – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. d4 Nf6 7. c3 Be7 8. Nbd2 O-O 9. Re1 b5 10. Bb3 exd4
1969 Budapest ch-HUN – Round 1 – Ribli, Zoltan – 1-0 – Filep, Tibor – G81 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nf6 7. d4 Be7 8. Re1 O-O 9. Nbd2 exd4 10. cxd4 Nb4
1972 Skopje ol (Men) fin-A – Round 3 – Zuidema, Coen – 1/2-1/2 – Smyslov, Vassily – G308 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. c3 Be7 7. d4 O-O 8. Nbd2 Bd7 9. Re1 exd4 10. cxd4 Nb4
2024 Superbet Chess Blitz – Round 7 – Praggnanandhaa R – 1/2-1/2 – Abdusattorov Nodirbek – G31 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. d4 Be7 8. Re1 O-O 9. Nbd2 b5 10. Bc2 Re8
Manila Interzonal 1976 – Round 1 – Ljubojevic, Ljubomir – 1/2-1/2 – Tseshkovsky, Vitaly – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. Re1 Be7 7. c3 O-O 8. d4 Bd7 9. Nbd2 exd4 10. cxd4 Nb4
World Blitz 2017 – Round 19.52 – Sanal, Vahap – 0-1 – Sargissian, Gabriel – G1015 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nf6 7. O-O Be7 8. Nbd2 O-O 9. Re1 Bg4 10. h3 Bh5

C87l — Closed Averbakh

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 d6 7.c3 O-O 8.d4 Bd7 9.Nbd2

Eval: [+0.45]

Les coups candidats

9…Re8 — 39.5% (321 parties) →

Ambassadeurs : Westerinen, Heikki M.J. (13x), Weill, Roland (11x), Ivkov, Borislav (9x), Medina-Garcia, Antonio (8x), Acuna Medina, Angel G. (8x), Parma, Bruno (7x), Unzicker, Wolfgang (6x), Gligorić, Svetozar (5x)

9…exd4 — 30.6% (249 parties)

Ambassadeurs : Osbun, Erik (7x), Tatai, Stefano (6x), Noradounghian, Georges (5x), Euwe, Max (4x), Yates, Frederic D (4x), Smyslov, Vladimir (4x), Hesselbarth, Karlheinz, Dr. (4x), Haraldsson, Haraldur (4x)

9…b5 — 19.7% (160 parties)

Ambassadeurs : Enevoldsen, Jens (3x), Johner, Hans (2x), Reshevsky, Samuel (2x), Lasker, Emanuel (2x), Unzicker, Wolfgang (2x), Zuckerman, Bernard (2x), Hartoch, Robert G (2x), Lein, Anatoly (2x)

9…Be8 — 5.9% (48 parties)

Ambassadeurs : Liublinsky, Victor (3x), Smyslov, Vladimir (2x), Alekhine, Alexander (2x), Ahues, Carl (2x), Ilyin Zhenevsky, Alexander (2x), Butnorius, Algimantas (2x), Abramov, Leonid (1x), Stanchev, Zachari (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Re8	9…exd4	9…b5	9…Be8
<1800	17	18%	18%	29%	—
1800-2200	124	35%	25%	30%	3%
2200-2600	212	47%	31%	17%	3%
2600+	4	—	25%	50%	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Re8	9…exd4	9…b5	9…Be8
1890s	5	40%	40%	20%	—
1900s	8	75%	25%	—	—
1910s	4	25%	—	75%	—
1920s	12	42%	25%	8%	17%
1930s	26	38%	19%	15%	23%
1940s	24	17%	29%	17%	38%
1950s	83	27%	52%	12%	7%
1960s	116	49%	34%	10%	7%
1970s	106	60%	27%	9%	2%
1980s	64	47%	28%	12%	5%
1990s	84	35%	27%	25%	4%
2000s	151	32%	37%	23%	4%
2010s	116	32%	16%	41%	2%
2020s	14	43%	21%	29%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Re8	32%	43%	▲ +11.0%
9…exd4	16%	21%	▲ +5.0%
9…b5	41%	29%	▼ -11.9%
9…Be8	2%	7%	▲ +5.4%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 10 parties
Euwe, Max — 5 parties
Lasker, Emanuel — 4 parties
Alekhine, Alexander — 4 parties
Tal, Mikhail — 4 parties
Steinitz, Wilhelm — 2 parties
Karpov, Anatoly — 1 partie

Parties historiques

9…Re8 — 39.5% (321 parties)

1895 — Lasker, Emanuel vs Steinitz, Wilhelm — 1-0 — St Petersburg RUS
1895 — Walbrodt, Carl vs Steinitz, Wilhelm — 0-1 — Hastings ENG
1900 — Schlechter, Carl vs Pillsbury, Harry — 0-1 — 12th DSB Congress playoff
1900 — Schlechter, Carl vs Pillsbury, Harry — 0-1 — Munich GER
1902 — Janowsky, D. vs Schlechter, C. — 1-0 — Carlsbad CZE

9…exd4 — 30.6% (249 parties)

1897 — Teichmann, Richard vs Blackburne, Joseph — 0-1 — Berlin GER
1897 — Teichmann, Richard vs Blackburne, Joseph — 0-1 — Berlin GER
1905 — Teichmann, Richard vs Burn, Amos — 0-1 — Ostende
1905 — Spielmann, Rudolf vs Burn, Amos — 1-0 — Ostende
1925 — Yates, Frederic D vs Romanovsky, Pjotr — 0-1 — Moscow RUS

9…b5 — 19.7% (160 parties)

1897 — Janowski, Dawid vs Walbrodt, Carl — 1/2-1/2 — Berlin GER
1914 — Lasker, Emanuel vs Gunsberg, Isidor — 1-0 — St Petersburg RUS
1917 — Lasker, Emanuel vs Nandor, H. — 1-0 — HUN
1918 — Elekes, Lajos vs Pollak, Andras — 1-0 — cr.
1924 — Michell, Reginald vs Gibson, William — 1-0 — Southport ENG

9…Be8 — 5.9% (48 parties)

1927 — Steiner, Laszlo vs Kmoch, Hans — 1/2-1/2 — Kecskemet HUN
1927 — Asztalos, Lajos vs Ahues, Carl — 0-1 — Kecskemet f I
1930 — Kunert, Franz vs Eliskases, Erich — 0-1 — Ebensee
1932 — Fink, Adolf Jay vs Steiner, Herman — 1-0 — Pasadena, CA USA
1932 — Ilyin Zhenevsky, Alexander vs Ilyin Zhenevsky, Alexander — 1-0 — Leningrad RUS

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