B90 — Sicilian Defense

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Bg5 (Clouer Nf6) ; Tour sur colonne d.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (2 contre 1), la case forte g4, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Le fou enfermé en c1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nbd7 (Développer Nb8) ; ...Bf5 (Développer Bc8) ; ...Bb4 (Développer Bf8) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→a6, e7→d6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (3v1), ● f5 (2v1)	● g4 (2v1)
Cases faibles	—	—
Centre	● d4 (1v0), ● d5 (3v1)	● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bc4	● Bc4 Actif (mob. 9)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (c1, a1, h1)	5 (b8, c8, f8, a8, h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Au centre !
Droits de roque	O-O / O-O-O	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
1950 URS Ch sf – Round 6 – Levenfish, Grigory – 1-0 – Aronin, Lev – G10 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 b5 7. Bb3 Bb7 8. O-O Nbd7 9. Bg5 g6 10. Qe2 Bg7
1951 Moskou ch-URS – Round ? – Averbakh, Yuri L – 1/2-1/2 – Moiseev, Oleg – G130 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 g6 7. O-O Bg7 8. Bb3 O-O 9. f4 Nbd7 10. Nf3 Nc5
1951 Moskou ch-URS – Round 1 – Aronin, Lev – 1/2-1/2 – Moiseev, Oleg – G97 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 g6 7. f4 Qc7 8. Bb3 Bg7 9. O-O O-O 10. Nf3 Nbd7
1951 Staunton Memorial – Round 11 – Tartakower, Savielly – 0-1 – Klein Hansen, Emil – G78 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. O-O Be7
1952 Helsinki olm – Round 1 – Pietzsch, Wolfgang – 1-0 – Gonzales Aguirre, Julio Cesar – G185 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 g6 7. Bb3 Bg7 8. h3 O-O 9. O-O Nbd7 10. f4 Nc5
1953 Bucharest – Round 5 – Ciocaltea, Victor – 1-0 – Milev, Zdravko – G51 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e5 7. Nde2 Be6 8. Bxe6 fxe6 9. O-O d5 10. exd5 exd5
1953 Corr Golden Knights – Round ? – Howell, Will – 0-1 – Zalys, Ignas – G11 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nc6 7. Nxc6 bxc6 8. e5 d5 9. exf6 dxc4 10. Qxd8+ Kxd8
1954 URS Ch sf Leningrad RUS – Round 19 – Estrin, Yakov – 1-0 – Kondratiev, Pavel E – G22 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 g6 7. Bg5 Bg7 8. Qd2 O-O 9. O-O-O b5 10. Bd5 Ra7
1955 Corr ch-SU – Round 1 – Tanin, Erkut – 0-1 – Shamkovich, Leonid – G6 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Qe2 e6 8. f3 b5 9. Bd3 e5 10. Nb3 Be6
1956 Moscow olm fin-A – Round 3 – Blau, Max – 0-1 – Larsen, Benjamin Holsko – G45 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 e6 8. O-O Nc6 9. a3 Be7 10. Be3 O-O
1956 Moscow olm fin-A – Round 5 – Ciocaltea, Victor – 1/2-1/2 – Walther, Edgar – G76 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 g6 7. Bb3 Bg7 8. f3 Nc6 9. Be3 Na5 10. Qd2 h5
1956 Moscow olm prel – Round 2 – Bronstein, David I – 1-0 – Colon Romero, Miguel – G50 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e5 7. Nf5 Be6 8. Qd3 Nc6 9. a3 Bxf5 10. exf5 Nd4
1956 Moskou olm – Round 1 – Bronstein, David I – 1-0 – Colon Cortegoso, Marta – G54 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e5 7. Nf5 Be6 8. Qd3 Nc6 9. a3 Bxf5 10. exf5 Nd4
1957 Minsk zt – Round 10 – Uusi, Gunnar – 1/2-1/2 – Zilber, Israel – G67 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e5 7. Nf3 Be7 8. O-O O-O 9. Bg5 Be6 10. Bxf6 Bxc4
1957 WchT U26 04th – Round 5.3 – Myagmarsuren, Lkhamsuren – 0-1 – Andersen, Borge – G64 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 e6 8. Bg5 Be7 9. f4 h6 10. Bxf6 Bxf6
1958 BUL Ch – Round ? – Milev, Zdravko – 1-0 – Minev, Nikolay N – G40 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 g6 7. f3 Bg7 8. Be3 Nc6 9. Qd2 Bd7 10. O-O-O Rc8
1958 Munich olm prel – Round 3 – Ojanen, Kaarle S – 0-1 – Johansson, Ingemar 1966 – G30 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. a3 Nb6 8. Bb3 Qc7 9. O-O g6 10. f4 Bg7
1958 Portoroz Interzonal – Round 12 – Bronstein, David I – 1-0 – Olafsson, Fridrik – G114 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. a3 g6 8. h4 Ne5 9. Bb3 Bg7 10. Bg5 Qa5
1958 Portoroz Interzonal – Round 12 – Cardoso, Radolfo Tan – 0-1 – Matanovic, Aleksandar – G113 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. a3 g6 8. O-O Bg7 9. Ba2 O-O 10. Be3 Qc7
1958 Portoroz Interzonal – Round 16 – Averbakh, Yuri L – 1/2-1/2 – Sherwin, James T – G151 1. e4 c5 2. Ne2 Nf6 3. Nbc3 d6 4. d4 cxd4 5. Nxd4 a6 6. Bc4 Nbd7 7. Be3 g6 8. f3 Nb6 9. Bb3 Bd7 10. Nde2 Bg7
1958 Portoroz Interzonal – Round 17 – Sherwin, James T – 0-1 – Larsen, Benjamin Holsko – G160 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 e6 8. O-O Nc6 9. Kh1 b5 10. a3 Nxd4
1958 Portoroz Interzonal – Round 4 – Cardoso Da Silva, Roberto – 0-1 – Panno, Oscar – G37 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. a3 g6 8. O-O Bg7 9. Ba2 O-O 10. Kh1 Qc7
1958 Riga ch-URS – Round 1 – Bannik, Anatolij – 0-1 – Gurgenidze, Bukhuti – G53 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. O-O g6 8. Bg5 Bg7 9. Re1 h6 10. Bh4 Ne5
1958 Riga ch-URS – Round 18 – Bannik, Anatolij – 0-1 – Bronstein, David I – G136 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 g6 7. f3 Nbd7 8. Be3 Nb6 9. Bb3 Bd7 10. Nd5 Nbxd5
1958 Torneo de las Americas 1st – Round 14 – De Greif, Boris – 0-1 – Munoz, Francisco – G74 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 e6 8. O-O Be7 9. f4 Nc6 10. Be3 Bd7
1958 YUG Ch 13th – Round 2 – Ciric, Dragoljub M – 1-0 – Matanovic, Aleksandar – G12 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 g6 7. O-O Bg7 8. Bg5 Nc6 9. Nxc6 bxc6 10. e5 dxe5
1959 Asztalos Memorial – Round 7 – Honfi, Karoly – 1-0 – Neikirkh, Oleg – G30 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. O-O g6 8. Bg5 Bg7 9. Qd2 h6 10. Bh4 O-O
1959 Buenos Aires LR – Round 5 – Pelikan, Anna – 0-1 – Foguelman – G10 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 e6 8. O-O Be7 9. f4 Nbd7 10. Qe2 O-O
1959 Candidats Tournament – Round 17 – Benko, Pal – 1/2-1/2 – Fischer, Robert J – G62 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. a4 g6 8. O-O Bg7 9. Bg5 O-O 10. Qd2 Nc5
1959 Clare Benedict Cup 06th – Round 3.2 – Kinzel, Anton – 1-0 – Walther, Edgar – G20 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. O-O g6 8. Be3 Bg7 9. f3 O-O 10. Nd5 e6
1959 DEN Ch – Round 5 – Pedersen, Eigil – 1/2-1/2 – Andersen, Borge – G24 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 e6 8. O-O Be7 9. f4 Nc6 10. Kh1 b5
1959 Hoogovens – Round 1 – Van den Berg, Cees – 1/2-1/2 – Langeweg, Kick – G16 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. O-O g6 8. Bg5 Bg7 9. h3 O-O 10. Qd2 Nb6
1959 Lima – Round 5 – Pilnik, Herman – 1-0 – Alvarez Espinoza, Crishopher Damian – G29 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 g6 7. f3 Bg7 8. Be3 Qc7 9. Bb3 Nc6 10. Qd2 O-O
1959 York ch-BCF – Round 10 – Littlewood, John E – 1-0 – Mardle, Denis – G116 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. O-O Qc7 8. Bb3 Nc5 9. Re1 e5 10. Bg5 Be7
1960 Asuncion – Round 1 – Recalde, Eleuterio – 0-1 – Mangini, Jose Henrique de Mello – G20 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 e6 8. f4 Nc6 9. O-O Nxd4 10. Qxd4 Be7
1960 Hamburg WGER-USSR – Round 6 – Mohrlok, Dieter – 0-1 – Tolush, Alexander – G14 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nf6 6. Bc4 g6 7. Bb3 Bg7 8. f3 Nbd7 9. Be3 Nc5 10. Qd2 Nxb3
1960 Leipzig olm prel – Round 9 – Beni, Alfred – 1/2-1/2 – Wexler, Bernardo – G316 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 g6 7. Bb3 Bg7 8. f3 O-O 9. Be3 Nc6 10. Qd2 Na5
1960 Mar del Plata – Round 10 – Incutto, Carlos – 1/2-1/2 – Wexler, Bernardo – G82 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Bd7 7. a3 Nc6 8. Ba2 g6 9. f3 Bg7 10. Be3 O-O
1960 Sao Paulo zt – Round 15 – Recalde, Eleuterio – 0-1 – Bolbochan, J. – G80 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. a3 g6 8. h4 Bg7 9. h5 Ne5 10. Be2 gxh5
1961 Oberhausen etc – Round 7 – ? – 0-1 – Tolush, Alexander – G183 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 g6 7. f3 Bg7 8. Be3 O-O 9. Bb3 Nc6 10. Qd2 Na5
1962 BRA Ch – Round 10 – Salles, Humberto – 0-1 – Alves, Francisco H B Severino – G22 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 Nbd7 8. Bg5 g6 9. f4 Bg7 10. Qd2 O-O
1962 BRA Ch – Round 2 – Hollmann, Jose – 0-1 – Alves, Francisco H B Severino – G3 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 e6 8. O-O b5 9. a3 Be7 10. f4 O-O
1962 CSR Ch – Round 4 – Plachetka, Jan – 0-1 – Hort, Vlastimil – G33 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 g6 7. f3 Bg7 8. Be3 O-O 9. Qd2 Nc6 10. O-O-O Na5
1963 Bath ch-BCF – Round 4 – Wheatcroft, T. – 1/2-1/2 – Parr, Frank – G38 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e5 7. Nde2 Qc7 8. Bd5 Be6 9. O-O Nbd7 10. Bxe6 fxe6
1963 CSR Ch – Round 13 – Kupka, Slavoj – 0-1 – Kozma, Julius – G121 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. O-O g6 8. a4 Bg7 9. f3 O-O 10. Be3 Ne5
1963 Leipzig Open 6364 2nd – Round 1 – Neukirch, Detlef – 1/2-1/2 – Gnauk, Reinhard – G3 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 g6 7. O-O Bg7 8. Bb3 O-O 9. h3 b5 10. a3 Bb7
1963 Pan American Ch – Round 7 – Calero Nino, Camilo – 0-1 – Estrada Degrandi, Walter – G30 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e5 7. Nde2 Be6 8. Bb3 Nbd7 9. Bxe6 fxe6 10. Ng3 Be7
1963 Split ol women – Round 10 – Gresser, Gisela Kahn – 1-0 – Kattinger, Ingeborg – G34 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 e5 8. Nde2 Be7 9. O-O O-O 10. Bg5 Nbd7
1965 Asztalos Memorial 8th – Round 3 – Paoli, Enrico – 0-1 – Kolarov, Atanas Stefanov – G19 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. O-O e6 8. a3 b5 9. Bxe6 fxe6 10. Nxe6 Qb6
1965 Novi Sad – Round 2 – Ostojic, Predrag – 1/2-1/2 – ? – G28 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 e6 8. f4 Nc6 9. Be3 Be7 10. Qf3 O-O
1965 Reggio Emilia 6465 07th – Round 9 – ? – 1/2-1/2 – Palmiotto, Fiorentino – G7 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 e6 8. f4 Nc6 9. Be3 Be7 10. Qf3 Bd7
1966 Hungary – Round 1 – Honfi, K. – 1-0 – Szilagyi, Gyorgy Laszlo – G55 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 b5 7. Bd5 Nxd5 8. exd5 e5 9. dxe6 fxe6 10. Qh5+ Kd7
1966 New York ch-USA – Round 9 – Byrne, Ray – 1/2-1/2 – Rossolimo, Nicolas – G47 1. e4 c5 2. Nf3 a6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bc4 Bd7 7. Bg5 e6 8. f4 Nc6 9. Qd3 h6 10. Bh4 Qc7
1967 Harrachov – Round 1 – Faibisovich, Vadim Z – 1-0 – Cervantes Roberts, Gonzalo – G51 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. Be3 e6 8. Bb3 Nb6 9. f4 d5 10. e5 Nfd7
1968 Budapest – Round ? – Honfi, Karoly – 1/2-1/2 – Szilagyi, Peter – G89 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e5 7. Nf5 Bxf5 8. exf5 Nbd7 9. Bg5 Be7 10. Qf3 O-O
1969 Hastings6970 – Round 8 – Corden, Martyn J – 1/2-1/2 – Drimer, Dolfi – G38 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 b5 7. Bb3 Bb7 8. O-O e6 9. Re1 Nbd7 10. a4 b4
1969 Mar del Plata zt – Round 1 – Mecking, Henrique – 1-0 – Riego, Victorio – G22 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 e6 8. g4 h6 9. f3 Nc6 10. Be3 Be7
1969 Mar del Plata zt – Round 1 – Mecking, Henrique – 1/2-1/2 – Camara, Hamady – G23 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Bb3 Nbd7 8. g4 h6 9. f3 Nc5 10. Be3 e6
Saint Louis USA, Nakamura-Aronian 2014 – Round 16 – Aronian, Levon – 1-0 – Nakamura, Hikaru – G13 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 b5 7. Bb3 Bb7 8. O-O Nbd7 9. a4 b4 10. Nd5 e6

B90f — Najdorf Fischer-Sozin Attack

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4

Eval: [+0.08]

Les coups candidats

6…e6 — 91.8% (29036 parties) →

Ambassadeurs : Conterno, Dominique (76x), ? (46x), De Firmian, Nick (43x), Eberth, Zoltan Bela (42x), Saltaev, Mihail (40x), Farago, Sandor (37x), Timmerman, Gert (37x), Sychov, Aleksandr Vitalievi (35x)

6…b5 — 2.9% (903 parties)

Ambassadeurs : Browne, Walter Shawn (13x), Gutman, Lev (7x), Landgren, Andreas (6x), Bosboom, Manuel (6x), Haessel, Dale R. (5x), Kracik, Dobroslav (5x), Gretarsson, Andri A (5x), Rendi, Eva (5x)

6…e5 — 1.4% (440 parties)

Ambassadeurs : Sadikovic, Jasmin (4x), Oliveira, Renato de Araujo (3x), Adly, Ahmed (3x), Skuhala, Barbara (3x), Bronstein, David I (2x), Breen, Willie (2x), Barabas, Tibor (2x), Sorokina, Anastasia (2x)

6…Qc7 — 1.3% (400 parties)

Ambassadeurs : ? (4x), Huebner, Robert (3x), Larsen, Benjamin Holsko (3x), Honsch, Pal (3x), Kolanek, Roman (3x), Stein, Leonid (2x), Mecking, Henrique (2x), Andersen, Borge (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…e6	6…b5	6…e5	6…Qc7
<1800	1118	84%	4%	3%	3%
1800-2200	11029	91%	3%	2%	2%
2200-2600	11569	95%	2%	0%	1%
2600+	287	99%	1%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6…e6	6…b5	6…e5	6…Qc7
1790s	1	100%	—	—	—
1930s	1	100%	—	—	—
1950s	225	76%	2%	3%	5%
1960s	699	90%	1%	1%	3%
1970s	1050	93%	3%	1%	1%
1980s	1366	94%	3%	1%	0%
1990s	6360	92%	3%	1%	1%
2000s	10847	92%	3%	1%	1%
2010s	9264	92%	2%	2%	1%
2020s	1814	93%	2%	1%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…e6	92%	93%	▲ +1.9%
6…b5	2%	2%	-0.2%
6…e5	2%	1%	-0.3%
6…Qc7	1%	1%	▼ -0.7%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Ju, Wenjun — 5 parties
Carlsen, Magnus — 4 parties
Kramnik, Vladimir — 4 parties
Smyslov, Vladimir — 2 parties
Hou, Yifan — 2 parties
Euwe, Max — 1 partie
Gukesh D — 1 partie

Parties historiques

6…e6 — 91.8% (29036 parties)

1792 — Janetschek, Karl vs Kormanyos, Zoltan — 1-0 — Kecskemet HUN
1934 — Nnabuchi Light vs Steiner, Herman — 0-1 — Los Angeles, CA USA
1950 — Lopez Molnar, Aidan Mikael vs Baratz, Abraham — 1-0 — Paris FRA
1950 — Lipnitsky, Isaac vs Aronin, Lev — 1-0 — Moskou ch-URS
1951 — Kopylov, Nikita vs Aronin, Lev — 0-1 — Moskou ch-URS

6…b5 — 2.9% (903 parties)

1950 — Levenfish, Grigory vs Aronin, Lev — 1-0 — Gorky
1955 — Soloviev, Vladimir A vs Shamkovich, Leonid — 1/2-1/2 — Riga LAT
1958 — Nievergelt, Erwin vs Evans, Larry — 0-1 — Munich GER
1959 — Leon Taylor, Lorenzo vs Blackstone, John — 0-1 — No. CA
1961 — Grane, E. vs Dominguez, Cristobal — 0-1 — Mar del Plata ARG

6…e5 — 1.4% (440 parties)

1953 — Ciocaltea, Victor vs Milev, Zdravko — 1-0 — Bucharest ROU
1955 — Howard, Franklin Sandford vs Kaufmann, Allan — 0-1 — New York, NY USA
1956 — Zhugder vs Wantz, Fernand — 1-0 — Moscow RUS
1956 — Bronstein, David I vs Colon Romero, Miguel — 1-0 — Moscow RUS
1956 — Bronstein, David I vs Colon Cortegoso, Marta — 1-0 — Moskou olm

6…Qc7 — 1.3% (400 parties)

1955 — Tanin, Erkut vs Shamkovich, Leonid — 0-1 — corr ch-SU
1956 — Olafsson, Fridrik vs Larsen, Benjamin Holsko — 0-1 — Reykjavik ISL
1956 — Blau, Max vs Larsen, Benjamin Holsko — 0-1 — Moscow RUS
1957 — Myagmarsuren, Lkhamsuren vs Andersen, Borge — 0-1 — Reykjavik ISL
1958 — Perkins, Alan H vs Vestol, Aage — 0-1 — Munich GER

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