B57c — Sicilian: Sozin, 6…Bd7 7.O-O

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 Bd7 7.O-O * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), les cases fortes b5, d5 et f5, un fou actif en c4, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Le fou enfermé en f8 et le roi resté au centre.

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

Plans. Bg5 (Clouer Nf6).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte e5.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (2 contre 1), les cases fortes g4 et e5, un avant-poste en e5, un fou actif en d7, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Le fou enfermé en c1.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le fou f8 et les tours a8 et h8).

Plans. ...Na5 (Attaquer Bc4) ; ...d5 (Rupture) ; ...e6 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● e7→d6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (3v0), ● d5 (3v1), ● f5 (2v1)	● g4 (2v1), ● e5 (2v0)
Cases faibles	—	—
Centre	● d5 (3v1)	● e5 (2v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bc4	● Bc4 Actif (mob. 8)
Bd7		● Bd7 Actif (mob. 5)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	3 (● f8, ● a8, ● h8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● e4-e5, ● f2-f3	● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1911 San Sebastian – Round 5 – Vidmar, Marjeta – 1-0 – Bernstein, Olivia – G29 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 Bxc6 9. Qe2 Bg7 10. Rd1 Nd7
1920 Simul, 25b – Round ? – Lasker, Emanuel – 0-1 – C Keyzer – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 Bxc6 9. Be3 Bg7 10. f3 O-O
1921 Nijmegen ch-NED – Round 4 – Olland, Adolf George – 0-1 – Euwe, Max – G16 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Be3 Bg7 9. h3 O-O 10. Qd2 a6
1923 Karlsbad – Round 1 – Spielmann, Rudolf – 0-1 – Chajes, Oscar – G57 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 bxc6 9. Bf4 Bg7 10. Qd2 Ng4
1933 GER Ch 1st – Round 13 – Kieninger, Georg – 1-0 – Carls, Carl – G42 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Bd7 7. O-O Rc8 8. Bb3 Nxd4 9. Qxd4 Qa5 10. Be3 a6
1951 Hungary Ch – Round 1 – Pogats, Jozsef Jr. – 1-0 – Benko, Pal – G19 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Be3 Bg7 9. f3 O-O 10. Nde2 Qa5
1952 Budapest – Round 3 – Gereben, Erno – 1-0 – Kottnauer, Cenek – G35 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O Rc8 8. Bb3 g6 9. Bg5 Bg7 10. Nxc6 Bxc6
1952 Helsinki olm – Round 1 – Pietzsch, Wolfgang – 1/2-1/2 – Nielsen, Palle – G126 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. h3 Bg7 9. Be3 Rc8 10. Bb3 Na5
1952 Saltsjobaden Interzonal – Round 20 – Wade, Robert G – 0-1 – Unzicker, Wolfgang – G189 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Bb3 Bg7 9. f3 O-O 10. Be3 Na5
1952 URS Team Ch 03th – Round 1 – Chistiakov, Alexander – 0-1 – Batuev, Andrey M – G4 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. h3 Bg7 9. Be3 O-O 10. f4 Nxd4
1953 Hastings ch-BCF – Round 3 – Milner Barry, Philip – 1-0 – Bonham, R. – G32 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. h3 Bg7 9. Be3 O-O 10. Bb3 Na5
1953 Hastings ch-BCF – Round 7 – Alexander Ronald Cheng – 1-0 – Bonham, R. – G64 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. h3 Bg7 9. Be3 O-O 10. Bb3 Rc8
1953 Hastings5354 – Round 6 – Alexander, Conol Hugh – 1/2-1/2 – Olafsson, Fridrik – G27 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Bd7 7. O-O g6 8. Be3 Bg7 9. Qe2 O-O 10. Rad1 Qc7
1954 Amsterdam olm – Round 1 – Alexander Ronald Cheng – 0-1 – Unzicker, Wolfgang – G111 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. h3 Bg7 9. Be3 O-O 10. Bb3 Na5
1954 URS Ch sf Gorky – Round 20 – Yudovich, Mikhail M – 0-1 – Bondarevsky, Igor – G19 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. h3 Bg7 9. Be3 O-O 10. Bb3 Na5
1954 URS Team Ch – Round 5 – Baranov, Boris – 1/2-1/2 – Fridstein, German – G83 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nd5 Bg7 9. Bg5 Nxe4 10. Nxc6 bxc6
1954 URS-chTJ Coop – Round 1 – Suetin, Alexey S – 1/2-1/2 – Tal, Mikhail – G9 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. h3 Nxd4 9. Qxd4 Bg7 10. f4 Bc6
1955 URS Ch sf – Round ? – Arulaid, Alexander – 1/2-1/2 – Klavins, Janis – G12 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 Bxc6 9. Bg5 Bg7 10. Nd5 Bxd5
1956 Budapest Alekhine – Round 1 – Pogats, Jozsef Jr. – 1-0 – Gereben, Erno – G38 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Bg5 Bg7 9. Nxc6 Bxc6 10. Nd5 O-O
1956 Budapest Szikra – Round ? – Dely, Peter – 1-0 – Kettner, E. – G27 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Bg5 Bg7 9. Nxc6 Bxc6 10. Nd5 Bxd5
1956 Leningrad ch-URS – Round 1 – Bannik, Anatolij – 1/2-1/2 – Averbakh, Yuri L – G85 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Bd7 7. O-O g6 8. h3 Nxd4 9. Qxd4 Bg7 10. Be3 O-O
1956 Mar del Plata – Round 5 – Pelikan, Anna – 1/2-1/2 – Behrensen, Jorge – G34 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 Bxc6 9. Qe2 Bg7 10. Bg5 O-O
1956 URS Ch sf – Round ? – Aronson, Lev – 1-0 – Livshin, Iosif – G77 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Be3 Bg7 9. h3 O-O 10. Qd2 Rc8
1956 URS Ch, semi final – Round 1 – Giorgadze, Tamaz – 1/2-1/2 – Zurakhov, Vladlen Y – G36 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 Bxc6 9. Bg5 Bg7 10. Nd5 Bxd5
1957 CSR-ITA Prague CZE – Round 2 – Sefc, Jan – 1/2-1/2 – Castaldi, Vincenzo – G17 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Bg5 Bg7 9. Nxc6 bxc6 10. Qd2 O-O
1957 FRG Ch Bad Neuenahr – Round 15 – Eisinger, Max Jr – 0-1 – Behle, Karl-Willi – G45 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Bg5 Bg7 9. Qd2 O-O 10. Rad1 Rc8
1958 Asztalos Memorial 1st – Round 7 – Sokolov, Vladimir – 0-1 – Troianescu, Octav – G15 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. h3 Bg7 9. Be3 O-O 10. f4 a6
1958 ITA-SUI m – Round 2 – Walther, Edgar – 1/2-1/2 – Scafarelli, Francesco – G13 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 Bxc6 9. Nd5 Bg7 10. Bg5 Bxd5
1958 Portoroz Interzonal – Round 14 – Rossetto, Hector – 0-1 – Szabo, Laszlo – G132 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Bg5 Bg7 9. Nde2 O-O 10. Qd2 Ne5
1958 Portoroz Interzonal – Round 20 – Rossetto, Hector – 0-1 – Neikirkh, Oleg – G190 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Bg5 Bg7 9. Qd2 O-O 10. Nde2 Ne5
1958 WchT U26 fin-A 05th – Round 5 – Blatny, Frantisek – 0-1 – Saidy, Anthony – G54 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 bxc6 9. f4 Qa5 10. Qd3 Rd8
1958 YUG Ch 13th – Round 15 – Vukovic, Vladimir – 1/2-1/2 – Sofrevski, Jovan – G81 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. h3 Nxd4 9. Qxd4 Bg7 10. Be3 O-O
1959 Clare Benedict Cup 06th – Round 4.2 – Kinzel, Anton – 1/2-1/2 – Scafarelli, Francesco – G27 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Be3 Bg7 9. f3 O-O 10. Qd2 Na5
1959 FRG Team Ch fin – Round 1.1 – Kieninger, Georg – 1/2-1/2 – Unzicker, Wolfgang – G1 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 Bxc6 9. Bg5 Bg7 10. Qe2 O-O
1959 HUN Ch Budapest HUN – Round 1 – Honfi, Karoly – 1/2-1/2 – Szily, Jozsef – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Bg5 Bg7 9. Nxc6 bxc6 10. Qd2 O-O
1961 Baden Vienna AUT – Round 1 – Robatsch, Karl – 1-0 – Paoli, Enrico – G5 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nde2 Bg7 9. f3 O-O 10. Be3 a6
1962 Asztalos Memorial 5th – Round 13 – Robatsch, Karl – 1-0 – Paoli, Enrico – G97 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nde2 Bg7 9. f3 O-O 10. Be3 Ne5
1962 Asztalos Memorial 5th – Round 15 – Radovici, Corvin – 1/2-1/2 – Paoli, Enrico – G114 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Be3 Bg7 9. f3 O-O 10. Qd2 Qa5
1962 Asztalos Memorial 5th – Round 7 – Pietzsch, Wolfgang – 1-0 – Paoli, Enrico – G52 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. a3 Bg7 9. Nde2 O-O 10. Nf4 Rc8
1962 CSR Ch – Round 2 – Vesely, Jiri – 1/2-1/2 – Trmal, Jaroslav – G15 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Bg5 Bg7 9. Nxc6 bxc6 10. Qe2 Qa5
1962 Varna ol (Men) fin-A – Round 9 – Honfi, K. – 1-0 – Mednis, Edmar J – G9 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Bg5 Bg7 9. Nxc6 Bxc6 10. Nd5 Bxd5
1963 Halle zt – Round 1 – Robatsch, Karl – 1-0 – Westerinen, Heikki M.J. – G86 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nde2 Bg7 9. f3 O-O 10. Be3 Ne5
1964 Buenos Aires Ch – Round ? – Farah, Rodolfo – 0-1 – Behrensen, Jorge – G39 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O e6 8. Bb3 a6 9. Bg5 Qa5 10. Be3 b5
1964 Holstebro ch-DEN – Round 2 – Noerby, PH. – 1-0 – Larsen, Benjamin Holsko – G6 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Be3 Bg7 9. Qd2 O-O 10. f3 Na5
1964 Houston simultaan – Round 1 – Fischer, Raphael – 1-0 – Bone Bustos, Cheila – G4 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Bd7 5. Nc3 Nc6 6. Bc4 Nf6 7. O-O g6 8. f4 Bg7 9. Nxc6 Bxc6 10. Qe2 O-O
1964 Kiev ch-URS – Round ? – Bakulin, Nikolac I – 1/2-1/2 – Averbakh, Yuri L – G151 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Be3 Bg7 9. f3 O-O 10. Qd2 Na5
1964 Lenzerheide-Clare Be – Round 1 – Pfleger, Helmut, Dr. – 1-0 – Napolitano, Mario – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 bxc6 9. Qe2 Bg7 10. e5 dxe5
1966 Ch (Men) Budapest HUN – Round 10 – Haag, Ervin – 1-0 – Szilagyi, Gyorgy Laszlo – G18 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Bg5 Bg7 9. Nxc6 bxc6 10. Qd2 h6
1966 Den Haag zt – Round 11 – Honfi, K. – 1/2-1/2 – Velimirovic, Dragoljub – G59 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 Bxc6 9. Bg5 Bg7 10. Nd5 O-O
1966 Hungary – Round 1 – Haag, Ervin – 1-0 – Szilagyi, Gyorgy Laszlo – G68 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Bg5 Bg7 9. Nxc6 bxc6 10. Qd2 Qa5
1966 La Habana olm fin-A – Round 11 – Johannessen, Simon T – 1/2-1/2 – Pomar Salamanca, Arturo – G207 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Bc4 Bd7 7. O-O g6 8. Bb3 Bg7 9. Nde2 O-O 10. Ng3 Rc8
1966 Zonal – Round 11 – Honfi, Karoly – 1/2-1/2 – Velimirovic, Dragoljub – G5 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 Bxc6 9. Bg5 Bg7 10. Nd5 O-O
1967 Asztalos Memorial 10th – Round 1 – Paoli, Enrico – 1/2-1/2 – Johansson, Martin 1979 – G4 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nde2 Bg7 9. Nf4 O-O 10. h3 Rc8
1967 Asztalos Memorial 10th – Round 8 – Paoli, Enrico – 0-1 – Bilek, Istvan – G41 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Bd7 7. O-O g6 8. h3 Bg7 9. Be3 O-O 10. Qd2 a6
1967 Capablanca Memorial – Round 13 – Hennings, Artur – 0-1 – Taimanov, Mark E – G116 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. h3 Bg7 9. Be3 O-O 10. Bb3 Rc8
1968 Budapest – Round 1 – Polgar, Istvan – 1-0 – Szilagyi, Gyorgy Laszlo – G47 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. h3 Bg7 9. Be3 O-O 10. f4 Rc8
1968 Capablanca Memorial – Round 1 – Ostojic, Predrag – 0-1 – Stein, Leon Rico – G51 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. h3 Bg7 9. Be3 O-O 10. Bb3 Na5
1968 Kislovodsk – Round 6 – Honfi, K. – 1-0 – Simagin, Vladimir – G54 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O Rc8 8. Bb3 Na5 9. Bg5 e6 10. Ndb5 Bxb5
1968 Lugano ol (Men) fin-A – Round 10 – Ciric, Dimitrije – 1-0 – Ungureanu, Elena-Alexandra – G59 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O Rc8 8. Bb3 g6 9. h3 Bg7 10. Be3 Na5
1968 Lugano ol (Men) fin-A – Round 10 – Hecht, Hans-Joachim – 1-0 – Rodriguez, Ruben – G57 1. e4 c5 2. Ne2 Nf6 3. Nbc3 Nc6 4. d4 cxd4 5. Nxd4 d6 6. Bc4 Bd7 7. O-O g6 8. h3 Bg7 9. Be3 O-O 10. Bb3 Nxd4
1968 Monte Carlo-B – Round 9 – Honfi, Karoly – 1-0 – Gereben, Erno – G13 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 Bxc6 9. Bg5 Bg7 10. Nd5 O-O
1968 Toth Memorial – Round 7 – Hennings, Artur – 0-1 – Stein, Leonid – G23 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. h3 Bg7 9. Be3 O-O 10. Bb3 Na5
1968 URS Team Ch – Round 1 – Tal, Mikhail – 1/2-1/2 – Stein, Leonid – G122 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 Bxc6 9. Bg5 Bg7 10. Nd5 O-O
1969 Pointe-Claire ch CAN – Round 4 – Coudari, Camille – 1-0 – Tootoosis, Harold – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. Bg5 Bg7 9. Nde2 O-O 10. Bb3 a6
1969 Sarajevo – Round 9 – Hennings, Artur – 1-0 – Mestrovic, Zvonimir – G65 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O g6 8. h3 Bg7 9. Be3 O-O 10. Bb3 Rc8
1969 Schwerin – Round 14 – Hennings, Artur – 1-0 – Dietze, Wolfgang, Dr. – G98 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Bd7 7. O-O Rc8 8. Bb3 g6 9. h3 Bg7 10. Be3 O-O
Linares 1989 – Round 1 – Sokolov, Andrei – 1/2-1/2 – Ljubojevic, Ljubomir – G19 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 bxc6 9. Bg5 Bg7 10. Bb3 Qa5
World Cup 1988 – Round 1 – Sokolov, Andrei – 1-0 – Sax, Gyula – G62 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 bxc6 9. f4 Bg4 10. Qe1 d5
World Cup 1988 – Round 1 – Sokolov, Andrei – 1/2-1/2 – Korchnoi, Viktor – G62 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Bd7 7. O-O g6 8. Nxc6 Bxc6 9. Qe2 Bg7 10. Bg5 O-O

B57c — Sozin

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 Bd7 7.O-O

Eval: [+0.05]

Les coups candidats

7…g6 — 78.3% (714 parties)

Ambassadeurs : Matnadze Bujiashvili, Ann (17x), Paoli, Enrico (8x), Robatsch, Karl (8x), Makarichev, Sergey (5x), Sokolov, Andrei (5x), Szilagyi, Gyorgy Laszlo (4x), Hennings, Artur (4x), Stremavicius, Titas (4x)

7…e6 — 10.4% (95 parties)

Ambassadeurs : Yoos, John C. (7x), Krush, Irina (4x), Baklan, Vladimir (3x), Alexakis, Dimitris (3x), Zabystrzan, Pavel (2x), Kraut, Rainer (2x), Rachels, Stuart (2x), Belák, Stefan (2x)

7…Rc8 — 6.6% (60 parties)

Ambassadeurs : Emma, Jaime (3x), Bravo Pastuzaca, Hector Alejandro (2x), Robatsch, Karl (2x), Brunner, Lucas (2x), Boros, Denes (2x), Kieninger, Georg (1x), Carls, Carl (1x), Bialas, Wolfram (1x)

7…a6 — 3.3% (30 parties)

Ambassadeurs : Robatsch, Karl (6x), Kindermann, Stefan (2x), Schlosser, Michael (2x), Shirazi, Kamran (2x), Van Riemsdijk, Herman C. (1x), Martello Panno, David (1x), Chapo, Carlos (1x), Pappier, Carlos German (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…g6	7…e6	7…Rc8	7…a6
<1800	21	71%	10%	10%	10%
1800-2200	187	75%	8%	10%	5%
2200-2600	458	79%	13%	6%	2%
2600+	11	91%	9%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7…g6	7…e6	7…Rc8	7…a6
1910s	2	100%	—	—	—
1920s	7	100%	—	—	—
1930s	4	75%	—	25%	—
1950s	48	88%	4%	6%	2%
1960s	48	88%	4%	6%	2%
1970s	62	79%	8%	11%	2%
1980s	60	82%	3%	5%	10%
1990s	157	75%	10%	11%	3%
2000s	289	81%	10%	6%	2%
2010s	203	72%	16%	4%	4%
2020s	32	69%	22%	3%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…g6	72%	69%	▼ -3.7%
7…e6	16%	22%	▲ +6.1%
7…Rc8	4%	3%	▼ -0.8%
7…a6	4%	6%	▲ +1.8%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 3 parties
Tal, Mikhail — 3 parties
Lasker, Emanuel — 1 partie
Botvinnik, Mikhail — 1 partie

Parties historiques

7…g6 — 78.3% (714 parties)

1911 — Vidmar, Marjeta vs Bernstein, Olivia — 1-0 — San Sebastian ESP
1918 — Van Gelder, Gerrit vs Marchand, Max — 1-0 — Amsterdam NED
1920 — Schapiro, Morris Abraham vs Janowski, Dawid — 0-1 — New York, NY USA
1920 — Lasker, Emanuel vs C Keyzer — 0-1 — Amsterdam NED
1921 — Spielmann, Rudolf vs Selezniev, Alexey — 1/2-1/2 — Triberg

7…e6 — 10.4% (95 parties)

1952 — Sidorov, Anatoly vs Bannik, Anatolij — 1-0 — Odessa UKR
1954 — Ciocaltea, Victor vs Erdelyi, Stefan — 1-0 — Bushteni
1964 — Farah, Rodolfo vs Behrensen, Jorge — 0-1 — Buenos Aires ARG
1965 — Bagirov, Vladimir vs Vaisser, Anatoly — 1-0 — ?
1971 — Kaiszauri, Konstanty vs Bellin, Robert — 1-0 — Athens GRE

7…Rc8 — 6.6% (60 parties)

1933 — Kieninger, Georg vs Carls, Carl — 1-0 — Bad Pyrmont GER
1952 — Gereben, Erno vs Kottnauer, Cenek — 1-0 — Budapest HUN
1955 — Bialas, Wolfram vs Niephaus, Walter — 1-0 — FRG Tch
1956 — O'Riordan, Kenneth vs Middleton, Ian — 1/2-1/2 — Moscow RUS
1968 — Honfi, K. vs Simagin, Vladimir — 1-0 — Kislovodsk

7…a6 — 3.3% (30 parties)

1952 — Chapo, Carlos vs Pappier, Carlos German — 1/2-1/2 — Rosario ARG
1969 — Van Riemsdijk, Herman C. vs Martello Panno, David — 0-1 — Mar del Plata ARG
1972 — Zitzman, M. vs Feldman Pratt, Jonathan — 1/2-1/2 — US Open
1984 — Kindermann, Stefan vs Robatsch, Karl — 1-0 — Tyskland
1985 — Kindermann, Stefan vs Robatsch, Karl — 1-0 — GER

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