C92g — Spanish: Closed, Karpov Variation, 10.d4 Bf6 11.a4

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nd7 10.d4 Bf6 11.a4 * ● 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 les cases fortes d5 et g5, un fou actif en b3 et la paire de fous.

Côté adverse. Le fou enfermé en c8.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).

Plans. Nc3 (Développer Nb1) ; Be3 (Développer Bc1) ; Bc2 (Anticiper ...Na5).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur 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. ...Bg4 (Développer Bc8, clouer Nf3) ; ...Na5 (Attaquer Bb3) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, g2→h3, c3→d4	● a6→b5, d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v0), ● g5 (2v1)	—
Cases faibles	—	—
Centre	● d4 (3v2), ● d5 (2v0), ● e4 (1v0)	● e5 (4v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bb3	● Bb3 Actif (mob. 6)
Bf6		● Bf6 Ok (mob. 3)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn f7
Non développées	3 (b1, c1, a1)	2 (c8, 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
1945 Moskou ch-URS – Round 1 – Lilienthal, Andor – 1-0 – Ragozin, Viacheslav – G113 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1946 JUG Ch – Round 3 – Vukovic, Sava – 1-0 – Bozic, Aleksandar – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1946 Moscow USSR-USA – Round 2 – Pinkus, Albert – 0-1 – Ragozin, Viacheslav – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1946 Stockholm SWE – Round ? – Skold, Kristian – 0-1 – Stoltz, Gosta – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1947 URS Ch, semi final – Round 2 – Zagorovsky, Vladimir – 1/2-1/2 – Zhukhovitsky, Samuel – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1948 Mar del Plata – Round 8 – Luckis, Marcos – 1/2-1/2 – Najdorf, Miguel – G68 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1949 Leningrad – Round 1 – Boleslavsky, Isaac – 1/2-1/2 – Kasparian, Genrikh – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1949 Oldenburg – Round 11 – Enevoldsen, Jens – 0-1 – Kuppe, Wilhelm – G45 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1949 URS Ch, semi final – Round 1 – Poliak, Abram – 1-0 – Kamishov, Mikhail P – G80 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1950 Moskou ch-URS – Round 1 – Boleslavsky, Isaac – 1-0 – Smyslov, Vladimir – G98 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nd7 10. d4 Bf6
1952 GBR-NLD m – Round 1.7 – Van den Berg, Carel B – 1/2-1/2 – Penrose, Jonathan – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nd7 10. d4 Bf6
1953 JUG Ch – Round 1 – Rabar, Braslav – 1/2-1/2 – Nikolac, Juraj – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1953 Opatija – Round 12 – Unzicker, Wolfgang – 1/2-1/2 – Nikolac, Juraj – G83 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1954 Kiev ch-URS – Round 1 – Bivshev, Vasily – 1-0 – Sokolsky, Alexey – G130 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1954 Munich zt – Round 13 – Burstein, S – 0-1 – Unzicker, Wolfgang – G85 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1954 Nottingham ch-BCF – Round 10 – Aitken, James – 0-1 – Phillips Andrea – G34 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1955 Argentina – Round 8 – Sanguineti, Raúl Carlos – 0-1 – Alcaraz Suarez, Juan Camilo – G61 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. h3 d6 9. c3 Nd7 10. d4 Bf6
1955 Moscow Ch – Round 14 – Ravinsky, Grigory – 1/2-1/2 – Ragozin, Viacheslav – G86 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nd7 10. d4 Bf6
1955 Zagreb – Round 3 – Milic, Borislav – 1-0 – Gligorić, Svetozar – G47 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nd7 10. d4 Bf6
1956 Moscow olm fin-B – Round 10 – Dworzynski, Roman – 1-0 – Skold, Kristian – G117 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1956 URS Ch sf – Round ? – Suetin, Alexey S – 1-0 – Borisenko, Georgy K – G113 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nd7 10. d4 Bf6
1957 EU Team Ch – Round 6 – Spassky, Boris Vasily – 1/2-1/2 – Fuderer, Andrija – G54 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. h3 d6 9. c3 Nd7 10. d4 Bf6
1957 Mar del Plata – Round 8 – Sanguineti, Raúl Carlos – 1-0 – Rossetto, Hector – G80 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. h3 d6 9. c3 Nd7 10. d4 Bf6
1962 Stockholm Interzonal – Round 17 – Gligorić, Svetozar – 1-0 – Olafsson, Fridrik – G150 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nd7 10. d4 Bf6
1962 Stockholm Interzonal – Round 23 – Cuellar Alpire, Mariana – 1/2-1/2 – Petrosian, Tigran A. – G206 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1964 Kiev ch-URS – Round ? – Tal, Mikhail – 1-0 – Averbakh, Yuri L – G154 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1964 URS Spartakiad – Round ? – Tal, Mikhail – 1-0 – Geller, Efim P – G39 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nd7 10. d4 Bf6
1964 URS-ch32 – Round ? – Tal, Mikhail – 1/2-1/2 – Stein, Leonid – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nd7 10. d4 Bf6
1965 Belgrade – Round 12 – ? – 1/2-1/2 – Milic, Borislav – G71 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1965 Buenos Aires – Round 8 – Sanguineti, Raúl Carlos – 1/2-1/2 – Bolbochan, Jacobo – G52 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1965 JUG Ch – Round 5 – Matulovic, Milan – 1/2-1/2 – Gligorić, Svetozar – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1965 Tallinn ch-URS – Round 1 – Stein, Leonid – 1/2-1/2 – Keres, Paul Petrovich – G118 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1966 BRA-ch33 – Round 15 – De Souza Mendes, Joao – 1/2-1/2 – Cotta, Eduardo – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nd7 10. d4 Bf6
1966 Le Havre – Round 1 – Mazzoni, Guy – 1-0 – Zinser, Sylvain – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1966 Mar del Plata – Round 6 – Pilnik, Herman – 1-0 – Stein, Leon Rico – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nd7 10. d4 Bf6
1966 Tbilisi ch-URS – Round 3 – Stein, Leon Rico – 1/2-1/2 – Smyslov, Vladimir – G29 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nd7 10. d4 Bf6
1967 DSV-Turnier – Round 4 – Liberzon, Vladimir M – 1-0 – Kozma, Julius – G25 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1967 Olssons Memorial 6768 – Round 1 – Malmgren, Sven-Goran – 1-0 – Westerinen, Heikki M.J. – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1967 Vrnjacka Banja zt – Round 11 – Fuchs, Reinhart – 1/2-1/2 – Kostro, Jerzy – G78 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1967 YUG-URS women – Round 8 – Zatulovskaya, Tatiana – 1-0 – Kushnir, Alla – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1968 Sarajevo – Round 7 – Ciric, Dimitrije – 1/2-1/2 – Ivkov, Borislav – G52 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1968 Skopje/Ohrid – Round 11 – Geller, Efim P – 1/2-1/2 – Matanovic, Aleksandar – G92 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1968 Solingen – Round 10 – Parma, Bruno – 1/2-1/2 – Lengyel, Laszlo – G44 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1968 URS Team Ch – Round ? – Tal, Mikhail – 1-0 – Mosionzhik, Ilya – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1968 Vinkovci – Round 8 – Fischer, Robert J – 1-0 – Matanovic, Aleksandar – G48 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1969 Hoogovens – Round 1 – Geller, Efim P – 1-0 – Portisch, Lajos – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
1969 New York ch-USA – Round 5 – Zuckerman, Bernard – 1/2-1/2 – Reshevsky, Samuel – G25 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nd7 10. d4 Bf6
1969 Skopje – Round ? – Matulovic, Milan – 1/2-1/2 – Smyslov, Vasily – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nd7 10. d4 Bf6
40. Olympiad Open 2012 – Round 11.28 – Hansen, Eric – 1-0 – Seitaj, Ilir – G607 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
41. Olympiad Open 2014 – Round 2.20 – Zhigalko, Sergei – 0-1 – Megaranto, Susanto – G119 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
Bugojno 1984 – Round ? – Ljubojevic, Ljubomir – 1/2-1/2 – Smyslov, Vassily – G71 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
Bugojno 1984 – Round ? – Tal, Mikhail – 1/2-1/2 – Torre, Eugenio – G72 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
Bugojno 1984 – Round 1 – Spassky, Boris V. – 1/2-1/2 – Smyslov, Vassily – G44 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
Candidats sf2 1977 – Round 15 – Spassky, Boris V. – 1/2-1/2 – Portisch, Lajos – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
Frankfurt-West Masters 1999 – Round 11 – Leko, Peter – 1/2-1/2 – Svidler, Peter – G41 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nd7 10. d4 Bf6
Hastings8899 1988 – Round ? – Kosten, Anthony C. – 1/2-1/2 – Short, Nigel D – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
Moscow 1975 – Round ? – Garcia Martinez, Silvino – 1/2-1/2 – Geller, Efim P – G67 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
TCh-RUS 2005 – Round 2 – Sutovsky, Emil – 1-0 – Bologan, Victor – G35 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Nd7 10. h3 Bf6
Thessaloniki olm 1988 – Round 7 – Anand, Viswanathan – 1/2-1/2 – Speelman, Jon S – G60 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
World Cup 1989 – Round ? – Huebner, Robert – 1-0 – Short, Nigel D – G90 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
World Cup 1989 – Round ? – Nunn, John D M – 1-0 – Karpov, Anatoly – G106 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
World Cup 1989 – Round 7 – Nunn, John D M – 1/2-1/2 – Short, Nigel D – G59 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6
World Rapid 2016 – Round 5.29 – Pichot, Alan – 1-0 – Adhiban, B. – G188 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Bf6

C92g — Closed Karpov Variation

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 Nd7 10.d4 Bf6 11.a4

Eval: [+0.66]

Les coups candidats

11…Bb7 — 73.4% (768 parties)

Ambassadeurs : Blagojevic, Dragisa (16x), Sagfjara, Magne (14x), Miguel Tomas Pedro Jose (13x), Barkhagen, Jonas (13x), Asturiano Molina, Javier (12x), Villani, Cristian (11x), Jabot, Daniel (11x), Stobbe, Arthur J (10x)

11…Rb8 — 13.0% (136 parties)

Ambassadeurs : Bolduc, Steve (7x), Asturiano Molina, Javier (4x), Mahdy, Khaled (4x), Zochowski, Kacper (4x), Unzicker, Wolfgang (3x), Milos, Gilberto (3x), Agdestein, Simen (3x), Short, Nigel D (3x)

11…Na5 — 11.6% (121 parties)

Ambassadeurs : Nikolichev, Aleksandr A (10x), Tal, Mikhail (7x), Kirchshofer, Ernst (7x), Goedhart William (7x), Grillon, Jean Marie (7x), Geller, Efim P. (5x), Pinter, Jozsef (5x), Sarosy, Zoltan L (4x)

11…bxa4 — 0.8% (8 parties)

Ambassadeurs : Jabot, Daniel (2x), Luckis, Marcos (1x), Najdorf, Miguel (1x), Ravinsky, Grigory (1x), Ragozin, Viacheslav (1x), Bellin, Robert (1x), Phillips, Alan (1x), Schapiro, Elsie (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	11…Bb7	11…Rb8	11…Na5	11…bxa4
<1800	4	75%	25%	—	—
1800-2200	141	78%	17%	5%	—
2200-2600	516	83%	11%	6%	—
2600+	67	73%	18%	9%	—

Évolution par décennie (% des parties)

Décennie	N parties	11…Bb7	11…Rb8	11…Na5	11…bxa4
1940s	16	31%	25%	38%	6%
1950s	29	52%	41%	3%	3%
1960s	45	38%	7%	53%	—
1970s	30	33%	10%	53%	3%
1980s	53	49%	25%	25%	2%
1990s	414	76%	10%	11%	1%
2000s	284	86%	12%	2%	—
2010s	151	79%	14%	6%	—
2020s	24	67%	29%	4%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
11…Bb7	79%	67%	▼ -12.8%
11…Rb8	14%	29%	▲ +15.3%
11…Na5	6%	4%	▼ -1.8%
11…bxa4	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Karpov, Anatoly — 6 parties
Kasparov, Garry — 4 parties
Smyslov, Vladimir — 3 parties
Karpov, Aleksandr — 2 parties
Anand, Viswanathan — 2 parties
Hou, Yifan — 2 parties
Botvinnik, Mikhail — 1 partie

Parties historiques

11…Bb7 — 73.4% (768 parties)

1946 — Ravinsky, Grigory vs Lilienthal, Andor — 0-1 — Moscow RUS
1947 — Zagorovsky, Vladimir vs Zhukhovitsky, Samuel — 1/2-1/2 — Leningrad RUS
1947 — Kopylov, Nikita vs Lisitsin, Gleb — 1/2-1/2 — Leningrad RUS
1948 — Schmid, Lothar vs Ahues, Carl — 1-0 — Celle
1949 — Enevoldsen, Jens vs Kuppe, Wilhelm — 0-1 — Oldenburg GER

11…Rb8 — 13.0% (136 parties)

1946 — Skold, Kristian vs Stoltz, Gosta — 0-1 — Stockholm SWE
1948 — De Souza Mendes, Joao vs Cruz, Walter — 1-0 — Rio de Janeiro BRA
1949 — Boleslavsky, Isaac vs Kasparian, Genrikh — 1/2-1/2 — Leningrad RUS
1949 — Poliak, Abram vs Kamishov, Mikhail P — 1-0 — Moscow RUS
1953 — Rabar, Braslav vs Nikolac, Juraj — 1/2-1/2 — Zagreb CRO

11…Na5 — 11.6% (121 parties)

1945 — Lilienthal, Andor vs Ragozin, Viacheslav — 1-0 — Moskou ch-URS
1946 — Ragozin, Viacheslav vs Botvinnik, Mikhail — 0-1 — Moscow RUS
1946 — Pinkus, Albert vs Ragozin, Viacheslav — 0-1 — Moscow USSR-USA
1946 — Vukovic, Sava vs Bozic, Aleksandar — 1-0 — Zagreb CRO
1947 — Potucek, Ludovit vs Henneberke, Frans — 1/2-1/2 — NED-CSR The Hague NED

11…bxa4 — 0.8% (8 parties)

1948 — Luckis, Marcos vs Najdorf, Miguel — 1/2-1/2 — Mar del Plata ARG
1955 — Ravinsky, Grigory vs Ragozin, Viacheslav — 1/2-1/2 — Moscow RUS
1973 — Bellin, Robert vs Phillips, Alan — 1-0 — Islington ENG
1980 — Schapiro, Elsie vs Klompus, G. — 0-1 — corr USSR
1990 — Pane, Andrea vs Benassi, Lorenzo — 1-0 — corr Italy

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