B33b — Sicilian: Open, 2…Nc6, 5…Qb6 6.Nb3 e6

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Qb6 6.Nb3 e6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), la case forte b5, 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 (les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Bg5 (Clouer Nf6) ; Bd3 (Développer Bf1) ; Tour sur colonne d.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (2 contre 1), les cases fortes b4 et c5, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

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

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Be7 (Développer Bf8) ; ...d5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d7→e6, f7→e6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v1)	● b4 (3v0), ● c5 (2v1)
Cases faibles	● d4	—
Centre	● d5 (3v2)	● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, a1, h1)	4 (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	● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1928 Kautsky mem5 – Round ? – Opocensky, Karel – 1-0 – Hasek, Josef – G2 1. d4 c5 2. e4 cxd4 3. Nf3 Nc6 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qd8 8. Be2 Bb4 9. O-O Bxc3 10. bxc3 Nxe4
1961 Maroczy Memorial Budapest HUN – Round 1 – Pogats, Jozsef Jr. – 1/2-1/2 – Bronstein, David I – G45 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. a3 Be7 9. f4 d6 10. Qf3 a6
1962 Spartak Ch – Round 3 – Khasin, Abram – 1-0 – Kirillov, Vladimir – G21 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6 6. Nb3 e6 7. a3 Be7 8. Be3 Qc7 9. f4 O-O 10. Bd3 d5
1962 Stockholm Interzonal – Round 2 – Fischer, Robert J – 1/2-1/2 – Benko, Pal – G16 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be2 Bb4 8. O-O O-O 9. Qd3 Bxc3 10. bxc3 d5
1963 Budapest ch-HUN – Round 1 – Dely, Peter – 1/2-1/2 – Varnusz, Egon – G140 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. f4 Bb4 9. Bd3 O-O 10. O-O Bxc3
1963 Hoogovens – Round 16 – Armoon Tan, Hooman – 1/2-1/2 – Bronstein, David I – G131 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 d6 8. Be3 Qc7 9. f4 a6 10. Bd3 b5
1963 Leningrad ch-URS – Round ? – Averbakh, Yuri L – 1/2-1/2 – Gufeld, Eduard – G155 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be2 Bb4 8. O-O O-O 9. Be3 Qc7 10. Nb5 Qb8
1963 RUS Ch – Round ? – Lein, Anatoly – 1-0 – Selezniev, V. – G5 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 Be7 8. Be3 Qc7 9. f4 d5 10. e5 Nd7
1963 Telnice/Usti – Round ? – Blatny, Frantisek – 1/2-1/2 – Smejkal, Jan – G11 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. d4 cxd4 5. Nxd4 Qb6 6. Nb3 e6 7. Be3 Qc7 8. a3 Be7 9. f4 d6 10. Qf3 a6
1963 UKR Ch – Round 2 – Tokarev, Aleksandr – 0-1 – Gufeld, Eduard – G13 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. f4 e5 9. Nb5 Qb8 10. Qf3 Be7
1964 Belgrade – Round 1 – Janosevic, Dragoljub – 1/2-1/2 – Korchnoi, Viktor – G9 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 e6 6. Nc3 Nf6 7. Be3 Qc7 8. a3 a6 9. f4 d6 10. Be2 b5
1964 Ch URS, Kiev UKR – Round 19 – Shamkovich, Leonid – 1/2-1/2 – Stein, Leon Rico – G11 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be2 Be7 8. O-O O-O 9. Be3 Qc7 10. f4 Rd8
1964 CSR Ch – Round 16 – Altschul, Milos – 0-1 – Smejkal, Jan – G123 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6 6. Nb3 e6 7. Be3 Qc7 8. a3 a6 9. f4 d6 10. Bd3 Be7
1964 SWE Ch – Round ? – Fridh, Anton – 1/2-1/2 – Burehall, Arne – G33 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. a3 a6 9. Be2 b5 10. O-O Bb7
1964 Tel Aviv olm fin-B – Round 2 – Balinas, Rosendo C – 0-1 – Brinck-Claussen, Bjorn – G9 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 e6 6. Nc3 Nf6 7. Be3 Qc7 8. a3 a6 9. f4 d6 10. a4 b6
1964 Tel Aviv olm fin-B – Round 5 – Brinck-Claussen, Bjorn – 1-0 – Purevzhav, S – G57 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 d5 8. exd5 exd5 9. Nxd5 Nxd5 10. Qxd5 Be6
1965 Titograd – Round 14 – Ciric, Dragoljub M – 1-0 – Velimirovic, Dragoljub – G102 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 a6 8. Bd3 Qc7 9. O-O d6 10. f4 g6
1965 USSR – Round 1 – Giorgadze, Tamaz – 1-0 – Razovsky, Valery – G12 1. e4 c5 2. Nc3 Nc6 3. Nge2 Nf6 4. d4 cxd4 5. Nxd4 Qb6 6. Nb3 e6 7. Be3 Qc7 8. Bd3 Bb4 9. O-O O-O 10. f4 d6
1966 Budapest – Round 1 – Varnusz, Egon – 1/2-1/2 – Polgar, Istvan – G22 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6 6. Nb3 e6 7. Be3 Qc7 8. f4 Bb4 9. e5 Ne4 10. Qd3 Nxc3
1966 Corr – Round ? – Kelstrup, Hans – 1-0 – Korning, Peter – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. Bd3 Bb4 9. O-O b6 10. Nb5 Qb8
1966 Hungary – Round 1 – Pogats, Jozsef Jr. – 1/2-1/2 – Polgar, Istvan – G67 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6 6. Nb3 e6 7. Be3 Qd8 8. a3 Be7 9. f4 d5 10. e5 Nd7
1966 Rio Hondo zt – Round 11 – Alvarez del Monte, Jose – 1-0 – De Souza Mendes, Joao – G64 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. f4 Bb4 9. Bd3 d5 10. Nd2 dxe4
1966 Rio Hondo zt – Round 6 – Camara, Hamady – 1-0 – De Souza Mendes, Joao – G33 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. a3 Be7 9. f4 d6 10. Bd3 b6
1966 Rio Hondo zt – Round 9 – Quinones Carrillo, Oscar – 1-0 – De Souza Mendes, Joao – G51 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. a3 Be7 9. f4 d6 10. Bd3 b6
1966 Sarajevo Sarajevo BIH – Round 11 – Ciric, Dimitrije – 1/2-1/2 – Minev, Nikolay N – G37 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 Be7 8. Be3 Qc7 9. f4 d6 10. Bd3 a6
1966 WchTJ U26 fin-A – Round 11 – Kuzmin, Gennadi P – 1/2-1/2 – Polgar, Istvan – G66 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6 6. Nb3 e6 7. Be3 Qc7 8. Bd3 a6 9. O-O d6 10. f4 Be7
1966 WchTJ U26 fin-A – Round 4 – Neukirch, Detlef – 0-1 – Rajkovic, Dusan – G19 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. Bd3 a6 9. O-O b5 10. a3 Ne5
1967 DDR Ch 16th – Round 13 – Hennings, Artur – 0-1 – Malich, Burkhard, Dr. – G67 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. Be2 Bb4 9. O-O O-O 10. Nb5 Qb8
1967 Harrachov – Round 1 – Seuss, Oswald – 1/2-1/2 – Brinck-Claussen, Bjorn – G71 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. a3 a6 9. f4 d6 10. Bd3 Be7
1967 Oxford ch-BCF – Round 10 – Hartston, William R – 1-0 – Miranda Phillips, Juan Jose – G93 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. Bd3 a6 9. O-O Ne5 10. h3 Nc4
1967 Sofia tt – Round 4 – Nevrakis Mihail – 0-1 – Minev, Nikolay N – G60 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. a3 a6 9. f4 d6 10. Bd3 Be7
1967 Sousse Interzonal – Round 4 – Sarapu, Ortvin – 1/2-1/2 – Byrne, Ray – G33 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. Bd3 a6 9. f4 b5 10. e5 b4
1967 Sweden (ch) – Round 3 – Johansson, Martin 1979 – 1-0 – Brostrom, Goran – G13 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 Qc7 8. f4 d6 9. Bd3 a6 10. O-O b5
1967 Winnipeg – Round 1 – Yanofsky, Daniel Abraham – 1/2-1/2 – Benko, Pal – G5 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. a3 Be7 9. Be2 O-O 10. f4 Rd8
1968 Gori – Round 5 – Mukitsashvili – 0-1 – Gufeld, Eduard – G12 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. a3 a6 9. f4 d6 10. Be2 b5
1968 Lugano ol (Men) – Round 1 – Jansa, Vlastimil – 1/2-1/2 – Allan, Denis – G40 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. Bd3 a6 9. f4 d6 10. Qf3 b5
1968 Lugano ol (Men) qual-B – Round 1 – Hamilton, Douglas G – 0-1 – Reshevsky, Samuel – G2 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. g3 Be7 8. Bg2 O-O 9. O-O a6 10. a4 Ne5
1968 Mar del Plata ch-ARG – Round 5 – Schweber, Samuel – 1/2-1/2 – Rubinetti, Jorge – G38 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. a3 Be7 9. f4 d6 10. Bd3 a6
1968 Monte Carlo – Round 7 – Gheorghiu, Florin – 1-0 – Forintos, Gyozo V – G45 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. Bd3 Bb4 9. O-O O-O 10. Nb5 Qb8
1968 URS Team Ch – Round ? – Zatulovskaya, Tatiana – 1-0 – Idelchik, Liubov M – G218 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 a6 8. Be2 d6 9. Be3 Qc7 10. f4 b5
1969 Buenos Aires – Round 7 – Hase, Juan Carlos – 0-1 – Rubinetti, Jorge – G41 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be2 Bb4 8. O-O O-O 9. Qd3 Bxc3 10. bxc3 d5
1969 Mar del Plata zt – Round 1 – Aguilera Rocha, Angelina – 1/2-1/2 – Acosta Garcia, Rafael Isaac – G29 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 Qc7 8. f4 d6 9. Be3 a6 10. Bd3 b5
1969 Mar del Plata zt – Round 1 – Barajas Mendivil, Ericka Judith – 0-1 – Acosta Garcia, Rafael Isaac – G30 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. a3 Be7 9. Be2 O-O 10. f4 Rd8
1969 Reggio Emilia 6970 12th – Round ? – Troianescu, Octav – 1/2-1/2 – Micheli, Carlo – G8 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. a3 a6 9. f4 d6 10. Be2 b5
1969 Tallinn – Round ? – Szabo, Laszlo – 1/2-1/2 – Gufeld, Eduard – G15 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. f4 Bb4 9. Bd3 d5 10. e5 Ne4
20. European Teams 2015 – Round 2.7 – Ochsner, Bjorn Moller – 0-1 – Safarli, Elmir – G98 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 Bb4 8. Bd2 a5 9. a3 Bxc3 10. Bxc3 e5
34. ECC Open 2018 – Round 2.3 – Van Haastert, Edwin – 0-1 – Safarli, Elmir – G52 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 Bb4 8. Bd2 O-O 9. a3 Bxc3 10. Bxc3 e5
34. ECC Open 2018 – Round 3.11 – Alsina Leal, Daniel – 1/2-1/2 – Bauer, Christian – G80 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 a6 8. Bf4 Ne7 9. Be3 Qc7 10. f4 d5
40. Olympiad Open 2012 – Round 3.35 – Pace, Charles – 0-1 – Le, Quang Liem – G199 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 Be7 8. Be2 O-O 9. O-O a6 10. Be3 Qc7
40. Olympiad Open 2012 – Round 3.44 – Amonatov, Farrukh – 1-0 – Mueller, Leonhard – G207 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 Bb4 8. Bd2 O-O 9. a3 Be7 10. O-O-O d5
42. Olympiad 2016 – Round 11.4 – Atabayev, Saparmyrat – 0-1 – Naiditsch, Arkadij – G799 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. Qe2 Bb4 9. Bd2 O-O 10. a3 Bxc3
Amber-rapid 20th 2011 – Round 10 – Giri, Anish – 1/2-1/2 – Gelfand, Boris – G29 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 Bb4 8. Bd2 O-O 9. a3 Be7 10. O-O-O d5
FIDE WCh KO 2000 – Round 2.4 – Grischuk, Alexander – 1-0 – Smirin, Ilia – G14 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 d6 8. g4 a6 9. g5 Nd7 10. Be3 Qc7
FIDE WCh KO 2000 – Round 3.3 – Adams, Michael – 1-0 – Yermolinsky, Alex – G104 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 Bb4 8. Bd2 O-O 9. a3 Be7 10. e5 Nd5
FIDE World Rapid 2014 – Round 12.37 – Durarbayli, Vasif – 1/2-1/2 – Polgar, Judit – G277 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6 6. Nb3 e6 7. Be3 Qc7 8. a3 a6 9. f4 d6 10. g4 h6
GCT Blitz Paris 2016 – Round 3.4 – Kramnik, Vladimir – 1-0 – Fressinet, Laurent – G14 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 Qc7 8. f4 Bb4 9. Bd2 Bxc3 10. bxc3 d6
Lindores Abbey Tal Memorial 2021 – Round 5.36 – Rakotomaharo, Fy Antenaina – 0-1 – Van Foreest, Jorden – G243 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 Nc6 7. Qe2 Bb4 8. Bd2 O-O 9. a3 Be7 10. O-O-O d6
Mainz CC Champions Duel 2001 – Round 7 – Anand, Viswanathan – 1/2-1/2 – Kramnik, Vladimir – G7 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 Be7 8. f4 d6 9. Qf3 a6 10. Bd3 O-O
Mainz CC Champions Duel playoff 2001 – Round 1 – Anand, Viswanathan – 1-0 – Kramnik, Vladimir – G1 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 Bb4 8. Bd2 O-O 9. a3 Be7 10. O-O-O d6
Sparkassen Cat XXI 2001 – Round 7 – Topalov, Veselin – 1-0 – Morozevich, Alexander – G20 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 Be7 8. Bf4 O-O 9. Bd6 Ng4 10. Bg3 Nge5
SportAccord Blitz Men 2013 – Round 29.3 – Dominguez Perez, Leinier – 1/2-1/2 – Wang, Hao(ZJWZ) – G224 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 a6 8. e5 Nd5 9. Nxd5 exd5 10. g3 d6
World Blitz 2018 – Round 10.17 – Nozdrachev, Vladislav – 1/2-1/2 – Korobov, Anton – G578 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 Qc7 8. Bd3 a6 9. O-O d6 10. f4 b5
World Blitz 2018 – Round 3.40 – Tukhaev, Adam – 0-1 – Korobov, Anton – G172 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 Qc7 8. f4 Bb4 9. Bd2 Bxc3 10. bxc3 d5
World Blitz 2018 – Round 5.17 – Kevlishvili, Robby – 0-1 – Korobov, Anton – G277 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 Qc7 8. Bd2 a6 9. f4 d6 10. Qf3 b5
World Blitz 2023 – Round 13.47 – Kosakowski, Jakub – 0-1 – Iturrizaga Bonelli, Eduardo – G763 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. a3 a6 8. Be3 Qc7 9. f4 d6 10. Qf3 b5
World Rapid 2016 – Round 1.31 – Leko, Peter – 0-1 – Atabayev, Yusup – G25 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 Bb4 8. Bd2 O-O 9. a3 Bxc3 10. Bxc3 e5
World Rapid 2016 – Round 12.4 – Amonatov, Farrukh – 1/2-1/2 – Korobov, Anton – G469 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 Bb4 8. Bd2 O-O 9. O-O-O d5 10. exd5 exd5

B33b — Open

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Qb6 6.Nb3 e6

Eval: [+0.68]

Les coups candidats

7.Be3 — 43.3% (3524 parties)

Ambassadeurs : Grivas, Efstratios (34x), Kurajica, Bojan (31x), Rosen, Willy (18x), Metaxasz, Vaszilisz (14x), Da Silva Filho, Alcindo Luz Bastos (14x), Vavra, Pavel (12x), Tuominen, Tanja (12x), Golod, Vitali (11x)

7.Bd3 — 31.2% (2536 parties) →

Ambassadeurs : Grivas, Efstratios (80x), Da Silva Filho, Alcindo Luz Bastos (33x), Kurajica, Bojan (32x), Peschardt, Søren (27x), Rosen, Willy (21x), Vokac, Marek (20x), Akopian, Vladimir (18x), Nyzhnyk, Illya (16x)

7.Qe2 — 12.5% (1019 parties)

Ambassadeurs : Kurajica, Bojan (21x), Petrov, Marian (20x), Haznedaroglu, Kivanc (14x), Chirila, Ioan-Cristian (11x), Korneev, Oleg (10x), Montilla Reyes, Jorcerys (10x), Kanep, Meelis (9x), Peschardt, Søren (8x)

7.a3 — 8.5% (688 parties)

Ambassadeurs : Rosen, Willy (11x), Grivas, Efstratios (10x), Peschardt, Søren (8x), Zhdanenia, Konstantin A. (8x), Kurajica, Bojan (5x), Szymanski, Robert (5x), Lagarde, Maxime (5x), Arzumanian, Georgii (4x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.Be3	7.Bd3	7.Qe2	7.a3
<1800	148	70%	18%	5%	4%
1800-2200	2270	60%	21%	8%	7%
2200-2600	4704	32%	37%	17%	9%
2600+	108	11%	45%	34%	6%

Évolution par décennie (% des parties)

Décennie	N parties	7.Be3	7.Bd3	7.Qe2	7.a3
1880s	2	50%	—	—	50%
1920s	1	100%	—	—	—
1930s	2	50%	—	—	50%
1960s	120	52%	27%	—	13%
1970s	94	44%	44%	—	9%
1980s	358	35%	47%	2%	6%
1990s	1210	44%	41%	3%	6%
2000s	2357	44%	34%	10%	8%
2010s	3275	42%	26%	19%	9%
2020s	712	46%	20%	18%	14%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Be3	42%	46%	▲ +3.1%
7.Bd3	26%	20%	▼ -6.4%
7.Qe2	19%	18%	▼ -0.9%
7.a3	9%	14%	▲ +4.8%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 6 parties
Tal, Mikhail — 3 parties
Kramnik, Vladimir — 3 parties
Botvinnik, Mikhail — 3 parties
Kasparov, Garry — 1 partie
Gukesh D — 1 partie

Parties historiques

7.Be3 — 43.3% (3524 parties)

1883 — Von Bardeleben, Curt vs Paulsen, Louis — 1/2-1/2 — Nuerenberg GER
1928 — Opocensky, Karel vs Hasek, Josef — 1-0 — Prague CZE
1930 — Przepiorka, Dawid vs Sultan Khan, Mir — 1-0 — Liege BEL
1961 — Pogats, Jozsef Jr. vs Bronstein, David I — 1/2-1/2 — Maroczy mem Budapest HUN
1962 — Zaitsev, Igor A vs Nikolaevsky, Yuri V — 1-0 — URS-ch sf Dnepropetrovsk

7.Bd3 — 31.2% (2536 parties)

1961 — Savon, Vladimir vs Gusev, Yuri S — 1-0 — URS-ch29 sf Novgorod
1962 — Medina-Garcia, Antonio vs Gilden, Lawrence — 1-0 — San Antonio, TX USA
1963 — Bukhover, A vs Dzindzichashvili, Roman — 1-0 — Moscow RUS
1966 — Janosevic, Dragoljub vs Minev, Nikolay N — 1/2-1/2 — Sarajevo BIH
1966 — Ostojic, Aleksa vs Van der Weide, Jelmer — 1-0 — Zwolle NED

7.Qe2 — 12.5% (1019 parties)

1983 — Short, Nigel D vs Gufeld, Eduard — 1/2-1/2 — Dortmund GER
1984 — Klinger, Josef vs Wirthensohn, Heinz — 1-0 — Graz AUT
1984 — Cramling, Pia vs Wirthensohn, Heinz — 1/2-1/2 — Zurich SUI
1987 — Baad Schmidt, Noah vs Daverkausen, Bernd — 1/2-1/2 — GER
1988 — Sorokin, Maxim vs Karasev, Vladimir I — 1-0 — Blagoveshchensk

7.a3 — 8.5% (688 parties)

1881 — Chigorin, Mikhail vs Paulsen, Louis — 1-0 — Berlin GER
1938 — Oettinger, Hagen vs Mross, Paul — 1-0 — Krakow POL
1962 — Sergievsky, Vladimir D vs Kirillov, Vladimir — 1/2-1/2 — Minsk BLR
1962 — Khasin, Abram vs Kirillov, Vladimir — 1-0 — Minsk BLR
1963 — Armoon Tan, Hooman vs Bronstein, David I — 1/2-1/2 — Beverwijk NED

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