D95f — Gruenfeld: 5.e3 O-O 6.Qb3 c6 7.Bd2 e6 8.Bd3

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Qb3 c6 7.Bd2 e6 8.Bd3 * ● 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. Les fous enfermés en g7 et c8.

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

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte e4.

Atouts. Les Noirs s'appuient sur la case forte f5, un avant-poste en e4 et la paire de fous.

Côté adverse. Le fou enfermé en d2 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, b6+Bb7, ...Bg4, ...Bf5)) ; ...Nbd7 (Développer Nb8) ; ...c5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● c6→d5, e6→d5, b7→c6, f7→e6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v0)	● f5 (2v1)
Cases faibles	● e4	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (4v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bd2	● Bd2 Enfermé (mob. 1)
Bd3	● Bd3 Actif (mob. 7)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	2 (● 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	● …c6-c5, ● …e6-e5

Partie
1927 Moskou ch-URS – Round 10 – Botvinnik, Mikhail – 1/2-1/2 – Nenarokov, Vladimir – G25 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. e3 g6 5. Nf3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Nb6 10. Ne5 Nfd7
1928 Berlin Cafe Koenig – Round 11 – Saemisch, Friedrich – 1-0 – Helling, Karl – G51 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 c6 7. Bd2 e6 8. Bd3 Nbd7 9. O-O e5 10. cxd5 exd4
1933 Folkestone Olympiad V – Round 13.1 – Rosselli del Turco, Stefano – 0-1 – Sultan Khan, Mir – G44 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Qb3 c6 6. Nf3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. cxd5 exd5 10. O-O Re8
1935 Hastings3536 – Round 2 – Koltanowski, George – 1-0 – Alexander Ronald Cheng – G7 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. e3 O-O 6. Qb3 c6 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Nb6 10. Rfd1 dxc4
1935 Warsaw ol (Men) – Round 15 – Fine, Reuben – 1/2-1/2 – Mikenas, Vladas – G31 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 e6 7. Bd2 c6 8. Bd3 Nbd7 9. O-O Nb6 10. cxd5 exd5
1935 Warsaw POL – Round 9 – Szabo, Laszlo – 1-0 – Feigins, Movsas – G47 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Qb3 c6 6. Nf3 O-O 7. Bd2 e6 8. Bd3 b6 9. O-O Bb7 10. Rac1 Nbd7
1936 Trade Unions – Round 1 – Stepanov, Aleksandar – 0-1 – Lilienthal, Andor – G24 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 d5 5. e3 O-O 6. Qb3 c6 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Nb6 10. Rac1 dxc4
1937 Kemeri – Round 1 – Fine, Richard Alvaro Adrien – 1/2-1/2 – Mikenas, Vladas – G60 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 c6 5. Nf3 Bg7 6. e3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O b6 10. cxd5 exd5
1937 Tbilisi ch-URS – Round 1 – Chekhover, Vitaly – 0-1 – Belavenets, Sergey – G11 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O b6 10. cxd5 exd5
1937 Tbilisi ch-URS – Round 1 – Kan, Ilya A – 1/2-1/2 – Alatortsev, Vladimir N. – G13 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Re8 10. Rfd1 b6
1937 Tbilisi ch-URS – Round 1 – Lilienthal, Andor – 1/2-1/2 – Belavenets, Sergey – G142 1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. e3 g6 5. Nc3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O b6 10. cxd5 exd5
1937 URS-ch10 – Round ? – Lilienthal, Andor – 1/2-1/2 – Belavenets, Sergey – G9 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. e3 g6 5. Qb3 Bg7 6. Nf3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O b6 10. cxd5 exd5
1938 AVRO – Round 1 – Reshevsky, Samuel – 1-0 – Flohr, Salo – G12 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 c6 5. Nf3 Bg7 6. e3 O-O 7. Bd2 e6 8. Bd3 b6 9. O-O Bb7 10. Rad1 Nbd7
1938 Lodz – Round 1 – Pirc, Vasja – 1/2-1/2 – Eliskases, Erich – G27 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. e3 g6 5. Qb3 Bg7 6. Nc3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Re8 10. Rac1 b6
1939 Buenos Aires ol f-A – Round 13 – Fallet Kahn, Victor – 0-1 – Frydman, Paulino – G245 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 g6 5. e3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. cxd5 exd5 10. O-O Re8
1939 Leningrad/Moscow – Round 12 – Bondarevsky, Igor – 0-1 – Lilienthal, Andor – G89 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Qb3 c6 6. Nf3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O b6 10. cxd5 exd5
1939 Leningrad/Moscow – Round 14 – Bondarevsky, Igor – 1/2-1/2 – Keres, Paul – G12 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Qb3 c6 6. Nf3 O-O 7. Bd2 e6 8. Bd3 b6 9. O-O Bb7 10. e4 c5
1941 Mar del Plata – Round 2 – Bolbochan, J. – 1/2-1/2 – Bolbochan, J. – G26 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 c6 7. Bd2 e6 8. Bd3 Nbd7 9. O-O b6 10. Rac1 Bb7
1942 Chocen – Round ? – Richter, Emil – 1/2-1/2 – Sajtar, Jaroslav – G25 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 c6 7. Bd2 e6 8. Bd3 Nbd7 9. O-O b6 10. cxd5 exd5
1942 Moscow – Round 1 – Zagoriansky, Evgeny – 1-0 – Alatortsev, Vladimir N. – G4 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 g6 5. Nf3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Re8 10. Rad1 b6
1942 Moscow – Round 1 – Zagoriansky, Evgeny – 1-0 – Ragozin, Viacheslav – G6 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Re8 10. Rad1 e5
1942 Salzburg – Round 6 – Junge, Kai – 1-0 – Stoltz, Gabriel – G14 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 g6 5. Nc3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O c5 10. cxd5 cxd4
1943 Zlin – Round 4 – Pokorny, Amos – 1/2-1/2 – Sajtar, Jaroslav – G28 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Nf3 O-O 6. Qb3 e6 7. Bd2 c6 8. Bd3 Nbd7 9. O-O b6 10. e4 dxc4
1944 La Plata Jockey Club – Round 12 – Pilnik, Herman – 1/2-1/2 – Villegas, Benito – G15 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Qc7 10. cxd5 exd5
1946 Barcelona – Round 1 – Cherta, Pedro – 1/2-1/2 – O'Kelly, Albéric de Galway – G8 1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 g6 5. Nc3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 b6 9. O-O Bb7 10. Rfd1 Nbd7
1946 Hoogovens – Round 1 – Koomen, Willem – 1/2-1/2 – Cortlever, Nico – G4 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 c6 5. Qb3 Bg7 6. Nf3 O-O 7. Bd2 e6 8. Bd3 b6 9. cxd5 exd5 10. O-O Be6
1946 Pittsburgh – Round 1 – Shipman, Walter – 1/2-1/2 – Kupchik, Abraham – G9 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. e3 O-O 6. Qb3 c6 7. Bd2 e6 8. Bd3 Nbd7 9. O-O dxc4 10. Bxc4 Nd5
1947 Moscow – Round 6 – Kan, Ilya A – 1/2-1/2 – Fridstein, German – G33 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. e3 O-O 6. Qb3 c6 7. Bd2 e6 8. Bd3 Nbd7 9. O-O b6 10. cxd5 exd5
1948 Karlovy Vary – Round 19 – Richter, Edgar – 0-1 – Sajtar, Jaroslav – G178 1. c4 Nf6 2. Nc3 d5 3. d4 g6 4. Nf3 Bg7 5. e3 O-O 6. Qb3 e6 7. Bd2 c6 8. Bd3 Nbd7 9. O-O c5 10. cxd5 exd5
1948 Moskou ch-URS – Round 1 – Bondarevsky, Igor – 1/2-1/2 – Lilienthal, Andor – G15 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 c6 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Nb6 10. e4 dxc4
1948 Saltsjobaden Interzonal – Round 7 – Bondarevsky, Igor – 1/2-1/2 – Najdorf, Miguel – G57 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O b6 10. cxd5 exd5
1948 Saltsjobaden Interzonal – Round 7 – Stahlberg, Gideon – 1/2-1/2 – Ragozin, Viacheslav – G58 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 b6 9. O-O Bb7 10. e4 c5
1949 Moskou ch-URS – Round 1 – Taimanov, Mark E – 1/2-1/2 – Kholmov, Ratmir D – G78 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 c6 7. Bd2 e6 8. Bd3 Nbd7 9. O-O b6 10. cxd5 exd5
1950 Dubrovnik olm – Round 15 – Bergqvist, Allan – 0-1 – Dunkelblum, Arthur – G89 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 g6 5. Nc3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Qb6 10. Qc2 Re8
1952 YUG Ch – Round 16 – Trifunovic, Petar – 1/2-1/2 – Bogdanovic, Rajko – G22 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e3 d5 6. Bd2 c6 7. Qb3 e6 8. Bd3 Nbd7 9. O-O Qe7 10. cxd5 exd5
1958 COL Ch – Round 4 – Alvarez Martin, Pedro – 1-0 – Mora Diaz, Nelson – G9 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Re8 10. Rfd1 Nb6
1958 Munich olm fin-B – Round 2 – Dunkelblum, Arthur – 1/2-1/2 – Tarnowski, Alfred – G3 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 g6 5. Nc3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Re8 10. Rad1 Qb6
1958 Torneo de las Americas 1st – Round 2 – Alvarez Martin, Pedro – 1-0 – Gutierrez, Joaquin – G8 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 g6 5. Nc3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Nb6 10. Rfd1 Qe7
1959 Argentina – Round 3 – Fenoglio, Virgilio – 1-0 – Marini, Luis – G15 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. e3 O-O 6. Qb3 c6 7. Bd2 e6 8. Bd3 c5 9. cxd5 cxd4 10. exd4 exd5
1959 Kragujevac ch14-YUG – Round 2 – Milic, Bozidar – 1/2-1/2 – Djantar, Djordje – G96 1. c4 Nf6 2. Nc3 c6 3. d4 d5 4. e3 g6 5. Nf3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O b6 10. Rfd1 Bb7
1960 Leipzig olm prel – Round 5 – Lombardy, William J – 1-0 – Thibaut, Georges – G5 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 c6 6. e3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O b6 10. e4 dxe4
1960 Moscow CCCT – Round 9 – Uhlmann, Wolfgang – 1/2-1/2 – Minev, Nikolay N – G48 1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Bd2 O-O 7. Qb3 e6 8. Bd3 Nbd7 9. O-O b6 10. cxd5 exd5
1960 Olympiad prel IV – Round 7 – Dunkelblum, Arthur – 1/2-1/2 – Radovici, Corvin – G9 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 g6 5. Nc3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. Rd1 Nb6 10. cxd5 exd5
1964 DEN Ch Holstebro – Round 2 – Hamann, Svend – 0-1 – From, Sigfred – G6 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 e6 7. Bd2 c6 8. Bd3 Nbd7 9. cxd5 exd5 10. O-O Qb6
1964 Pecs – Round 15 – Honfi, Karoly – 1-0 – Pogats, Jozsef Jr. – G16 1. c4 Nf6 2. Nf3 c6 3. d4 d5 4. Nc3 g6 5. e3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O b6 10. a4 a5
1964 Pecs – Round 6 – Bobotsov, Milko G – 1/2-1/2 – Malich, Burkhard, Dr. – G34 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 c6 5. e3 Bg7 6. Nf3 O-O 7. Bd2 e6 8. Bd3 b6 9. O-O Bb7 10. Rad1 Nbd7
1965 Leipzig Inter-1 – Round 6 – Antoshin, Vladimir S – 1/2-1/2 – Malich, Burkhard, Dr. – G22 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 c6 6. e3 O-O 7. Bd2 e6 8. Bd3 b6 9. O-O Nbd7 10. Rfd1 Bb7
1965 New York ch-USA – Round 6 – Addison, Wiliam G – 1-0 – Burger, Kim – G12 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 c6 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Qb6 10. Qc2 Qc7
1965 Sinaia stud ol final – Round 1 – Savon, Vladimir A – 1-0 – Hort, Vlastimil – G7 1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 g6 5. d4 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Re8 10. Rac1 b6
1965 WchT U26 12. fin-A – Round 1 – Savon, Vladimir A – 1-0 – Hort, Vlastimil – G4 1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 g6 5. d4 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Re8 10. Rac1 b6
1967 Rubinstein Memorial – Round 11 – Adamski, Jan – 1/2-1/2 – Liebert, Heinz – G34 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Qb3 c6 7. Bd2 e6 8. Bd3 Nbd7 9. O-O Qb6 10. Qc2 Re8
1968 CSR Ch – Round 16 – Kupka, Slavoj – 1/2-1/2 – Dolezal, Jiri – G146 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 c6 6. e3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O b6 10. Rad1 Bb7
1968 IBM I – Round 6 – Kotov Lundqvist, Alex – 1-0 – Jongsma, Alexander – G21 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Qb3 c6 6. Nf3 O-O 7. Bd2 e6 8. Bd3 b6 9. a4 c5 10. dxc5 bxc5
1971 Hoogovens – Round 1 – Najdorf, Miguel – 1/2-1/2 – Cuijpers, Frans Andre – G41 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 g6 5. Nf3 Bg7 6. Bd2 O-O 7. Qb3 e6 8. Bd3 Nbd7 9. O-O Re8 10. Rfd1 a6
42. Olympiad 2016 – Round 4.1 – Korobov, Anton – 0-1 – Nepomniachtchi, Ian – G242 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd2 c6 7. Qb3 e6 8. Bd3 dxc4 9. Bxc4 Nbd7 10. O-O c5
Brussels 1987 – Round 1 – Kasparov, Garry – 1/2-1/2 – Ljubojevic, Ljubomir – G5 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O a5 10. Rfe1 Re8
TCh-RUS 2008 – Round 1 – Mamedyarov, Shakhriyar – 1/2-1/2 – Kamsky, Gata – G1 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 g6 5. Nf3 Bg7 6. Qb3 O-O 7. Bd2 e6 8. Bd3 Nbd7 9. O-O dxc4 10. Qxc4 e5

D95f —

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Qb3 c6 7.Bd2 e6 8.Bd3

Eval: [-0.17]

Les coups candidats

8…Nbd7 — 80.5% (210 parties)

Ambassadeurs : Lilienthal, Andor (6x), Dunkelblum, Arthur (5x), Belavenets, Sergey (4x), Zagoriansky, Evgeny (3x), Sajtar, Jaroslav (3x), Bondarevsky, Igor (3x), Malakhatko, Vadim (3x), Botvinnik, Mikhail (2x)

8…b6 — 13.8% (36 parties)

Ambassadeurs : Bondarevsky, Igor (2x), Malich, Burkhard, Dr. (2x), Valerga, Diego (2x), Soppe, Guillermo (2x), Pang, Tao (2x), Zagoriansky, Evgeny (1x), Simagin, Vladimir (1x), Stahlberg, Gideon (1x)

8…dxc4 — 1.9% (5 parties)

Ambassadeurs : Oestreich, Reinhard (1x), Krueger, Sigurd (1x), Luft, Martin (1x), Magg, Christian (1x), Burmakin, Vladimir (1x), Schmitzer, Peter (1x), Zentai, Peter (1x), Kovacs, Judit (1x)

8…Qb6 — 0.8% (2 parties)

Ambassadeurs : Winser, William Arthur (1x), Graf-Stevenson, Sonja (1x), Lopez Manzano, Antonio (1x), Molinero Martin, Joan (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…Nbd7	8…b6	8…dxc4	8…Qb6
1800-2200	50	84%	6%	—	2%
2200-2600	100	83%	14%	3%	—
2600+	6	83%	—	17%	—

Évolution par décennie (% des parties)

Décennie	N parties	8…Nbd7	8…b6	8…dxc4	8…Qb6
1920s	6	83%	—	—	—
1930s	28	79%	18%	—	4%
1940s	23	78%	22%	—	—
1950s	15	67%	20%	—	—
1960s	19	74%	26%	—	—
1970s	4	75%	25%	—	—
1980s	20	85%	10%	—	—
1990s	30	83%	10%	7%	—
2000s	54	81%	11%	2%	—
2010s	61	84%	10%	3%	2%
2020s	1	100%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…Nbd7	84%	100%	▲ +16.4%
8…b6	10%	0%	▼ -9.8%
8…dxc4	3%	0%	▼ -3.3%
8…Qb6	2%	0%	▼ -1.6%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 2 parties
Kasparov, Garry — 2 parties
Tal, Mikhail — 1 partie
Ding, Liren — 1 partie

Parties historiques

8…Nbd7 — 80.5% (210 parties)

1923 — Pokorny, Alois vs Schulz, Jale — 1-0 — Pardubice CZE
1924 — Vajda, Adam vs Gruber, Sebastian — 1-0 — Gyor
1927 — Botvinnik, Mikhail vs Romanovsky, Pjotr — 1/2-1/2 — Leningrad RUS
1927 — Botvinnik, Mikhail vs Nenarokov, Vladimir — 1/2-1/2 — Moskou ch-URS
1928 — Saemisch, Friedrich vs Helling, Karl — 1-0 — Berlin GER

8…b6 — 13.8% (36 parties)

1935 — Szabo, Laszlo vs Feigins, Movsas — 1-0 — Warsaw POL
1935 — Rejfir, Josef vs Feigin, Movsa — 0-1 — Warsaw POL
1938 — Reshevsky, Samuel vs Flohr, Salo — 1-0 — Nederland
1939 — Bondarevsky, Igor vs Keres, Paul — 1/2-1/2 — Leningrad/Moscow
1939 — Bondarevsky, Igor vs Keres, Paul Petrovich — 1/2-1/2 — Leningrad/Moscow RUS

8…dxc4 — 1.9% (5 parties)

1995 — Oestreich, Reinhard vs Krueger, Sigurd — 1-0 — GER
1996 — Luft, Martin vs Magg, Christian — 1-0 — Landesliga S9596 Bayern
2002 — Burmakin, Vladimir vs Schmitzer, Peter — 1-0 — Bad Wiessee GER
2016 — Korobov, Anton vs Nepomniachtchi, Ian — 0-1 — Baku AZE
2018 — Zentai, Peter vs Kovacs, Judit — 1-0 — Zalakaros HUN

8…Qb6 — 0.8% (2 parties)

1936 — Winser, William Arthur vs Graf-Stevenson, Sonja — 1-0 — Hastings ENG
2013 — Lopez Manzano, Antonio vs Molinero Martin, Joan — 0-1 — Sant Adria de Besos

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