B25 — Sicilian Defense: Closed

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 ○ 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 les cases fortes f4 et d5 et la paire de fous.

Côté adverse. Le fou enfermé en c8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier g1, le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Be3 (Développer Bc1) ; f4 (Attaque à l'aile roi,) ; c3 (Préparer d4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes b4, d4 et e5, des avant-postes en d4 et e5, un fou actif en g7 et la paire de fous.

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 g8, le fou c8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nf6 (Développer Ng8) ; ...Rb8 (Tour sur colonne b) ; ...Bf5 (Développer Bc8) ; ...e6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Base Masters : Blancs 25.6%, Nulles 40.3%, Noirs 34.1%.

Coups candidats

auto

Analyse coup par coup — 10 demi-coups commentés

1.e4 Avancée centrale — contrôle d5, f5. Prépare d4, f4, Bc4, Bd3.
1…c5 Avancée centrale — contrôle b4, d4. Prépare Nc6, d5.
2.Nc3 Contrôle c4, d5, f5.
2…Nc6 Contrôle d4, e5.
3.g3 Prépare le fianchetto du Fou (Bg2).
3…g6 Prépare le fianchetto du Fou (Bg7).
4.Bg2 Contrôle f4, d5, f5.
4…Bg7 Contrôle d4, e5, f5.
5.d3 Avancée centrale — contrôle c4, e4. Prépare e4, Nd2, Be2.
5…d6 Avancée centrale — contrôle c5, e5. Prépare e5, Nd7.

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c2→d3, f2→g3, h2→g3, d3→e4	● d6→c5, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● d5 (2v0)	● b4 (2v0), ● d4 (3v0), ● e5 (3v0)
Cases faibles	—	—
Centre	● d5 (2v0), ● e4 (3v0)	● d4 (3v0), ● e5 (3v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Ok (mob. 3)
Bg7		● Bg7 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (g1, c1, a1, h1)	4 (g8, c8, 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	● d3-d4, ● e4-e5, ● f2-f3	● …c5-c4, ● …d6-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
? 2000 – Round ? – Kogan, Aleksander – 0-1 – Avrukh, Boris – G60 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nf3 Nf6 7. O-O Rb8 8. a4 a6 9. h3 O-O 10. Be3 b5
1903 RUS-ch03 – Round 12 – Nikolaev, Bogdan – 0-1 – Duz-Khotimirsky, Fedor Ivanovich – G43 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nf3 Nf6 7. Be3 Ng4 8. Bd2 O-O 9. h3 Nge5 10. Nxe5 Nxe5
1947 Parnu – Round 1 – Kasparian, Genrikh – 1/2-1/2 – Keres, Paul Petrovich – G39 1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 d6 6. Bg5 Bd7 7. Qd2 Rb8 8. Nge2 Nd4 9. O-O Qc8 10. Rab1 Bh3
1951 Moskou ch-URS – Round 1 – Simagin, Vladimir – 1/2-1/2 – Taimanov, Mark E – G95 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nf3 Rb8 7. O-O e6 8. a3 Nge7 9. Bg5 O-O 10. Qd2 b5
1951 Moskou ch-URS – Round 1 – Smyslov, Vladimir – 1/2-1/2 – Moiseev, Oleg – G91 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nf3 Nf6 7. O-O O-O 8. h3 e5 9. Kh2 Nd4 10. Be3 b5
1951 URS-ch19 – Round ? – Smyslov, Vasily – 1/2-1/2 – Moiseev, Oleg – G7 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nf3 Nf6 7. O-O O-O 8. h3 e5 9. Kh2 Nd4 10. Be3 b5
1961 Zuerich – Round 10 – Christoffel, Martin – 0-1 – Matulovic, M. – G49 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Be3 Nd4 10. e5 Nef5
1963 CSR Ch – Round 9 – Blatny, Frantisek – 1/2-1/2 – Acosta Fabian, Janna Paloma – G77 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Bd2 e6 7. Qc1 Rb8 8. a4 a6 9. f4 Nge7 10. Nf3 O-O
1963 Winnipeg – Round 9 – Vranesic, Zvonko – 1-0 – Hirsch, Robert – G20 1. g3 c5 2. Bg2 Nc6 3. e4 g6 4. Nc3 Bg7 5. d3 d6 6. Nf3 Nf6 7. O-O O-O 8. h3 Bd7 9. Be3 Rc8 10. Qd2 Re8
1965 HUN-ch21 – Round 1 – Csom, Istvan – 1/2-1/2 – Liptay, Laszlo Dr. – G45 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Bd2 e5 7. Qc1 Nge7 8. Bh6 O-O 9. h4 Bxh6 10. Qxh6 f6
1965 Hungary – Round 1 – Csom, Istvan – 0-1 – Forintos, Gyozo V – G72 1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 d6 6. Bd2 Rb8 7. Qc1 b5 8. Nd1 Bd7 9. Ne2 Qc8 10. O-O b4
1965 New York ch-USA – Round 11 – Benko, Pal – 0-1 – Saidy, Anthony – G34 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nh3 Nf6 7. O-O Bd7 8. f4 Rb8 9. Nf2 O-O 10. g4 b5
1965 New York ch-USA – Round 3 – Suttles, Duncan – 0-1 – Benko, Pal – G10 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nh3 h5 7. O-O Nh6 8. f3 Bd7 9. Ne2 e5 10. c3 Qb6
1965 New York ch-USA – Round 5 – Benko, Pal – 0-1 – Zuckerman, Bernard – G17 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. d3 Bg7 5. Bg2 d6 6. Nh3 e5 7. O-O Nge7 8. f4 O-O 9. g4 exf4 10. Nxf4 Ne5
1966 La Habana olm fin-B – Round 1 – Suttles, Duncan – 1-0 – Roth, Rolf – G11 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nh3 e6 7. O-O Nge7 8. Be3 O-O 9. Qd2 Nd4 10. Nd1 e5
1966 La Habana olm prel – Round 6 – Zichichi, Alvise – 1/2-1/2 – Malich, Burkhard, Dr. – G232 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nd5 e6 7. Ne3 Nge7 8. Ne2 d5 9. exd5 exd5 10. Nf4 d4
1966 Rio Hondo zt – Round 5 – Emma, Jaime – 1/2-1/2 – Pelikan, Jan – G10 1. e4 d6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c5 5. d3 Nc6 6. Nf3 Bd7 7. O-O Qc8 8. Nd5 e6 9. Ne3 Nge7 10. Nh4 O-O
1966 US Open – Round 11 – Suttles, Duncan – 1-0 – Jackson, Leroy – G68 1. e4 c5 2. Nc3 Nc6 3. d3 d6 4. g3 g6 5. Bg2 Bg7 6. Nh3 Nf6 7. O-O O-O 8. Bg5 Bd7 9. f3 Rb8 10. Qd2 Nd4
1966 World Championship 26th – Round 15 – Spassky, Boris Vasily – 1/2-1/2 – Petrosian, Tigran V – G13 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nh3 Nf6 7. O-O Bg4 8. f3 Bxh3 9. Bxh3 O-O 10. Be3 Ne8
1967 DEN Ch – Round 5 – Pedersen, Eigil – 1/2-1/2 – Ekebjaerg, O. – G18 1. e4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. d3 d6 6. Nh3 Nf6 7. O-O O-O 8. Bd2 Rb8 9. f4 Bg4 10. Qe1 Nd4
1967 Havering Women's International – Round 2 – Rinder, Elfriede – 1-0 – Bruce, Rowena M – G3 1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. Rb1 e6 7. Be3 Nge7 8. Qd2 Nd4 9. Nce2 Nec6 10. c3 Nxe2
1967 ITA-ch28 Savona – Round 10 – Zichichi, Alvise – 1/2-1/2 – Tatai, Stefano – G25 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nd5 e6 7. Ne3 f5 8. exf5 gxf5 9. Qh5+ Kf8 10. Nh3 Nf6
1967 Krems – Round 1 – Bronstein, David I – 1-0 – Ciric, Dragoljub M – G3 1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. h3 e5 7. Be3 Nge7 8. Qd2 Nd4 9. Nce2 d5 10. c3 Nxe2
1967 POL Team Ch 20th – Round 11 – Sliwinski, Henryk – 0-1 – Sydor, Andrzej – G77 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nd5 e6 7. Ne3 Nge7 8. Ne2 Rb8 9. O-O O-O 10. a4 a6
1967 Savona ch ITA – Round 1 – Zichichi, Alvise – 1-0 – Perich, Stefano – G1 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nd5 e6 7. Ne3 Nge7 8. Ne2 O-O 9. O-O e5 10. c3 Kh8
1967 Savona ch ITA – Round 6 – Calapso, Remo – 1/2-1/2 – Romani, Elio – G11 1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. Nf3 Nd4 7. O-O Bg4 8. Nd5 e6 9. Ne3 Bxf3 10. Bxf3 Nxf3+
1967 Savona ch ITA – Round 8 – Zichichi, Alvise – 1-0 – Schiesari, Roberto – G16 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nd5 Nf6 7. Ne3 Bd7 8. Ne2 e5 9. c3 b5 10. O-O h5
1967 Sousse Interzonal – Round 11 – Suttles, Duncan – 1/2-1/2 – Kavalek, Lubomir – G97 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nh3 e6 7. O-O Nge7 8. Be3 b6 9. Qd2 h6 10. Rae1 Bb7
1967 Sousse Interzonal – Round 19 – Suttles, Duncan – 1/2-1/2 – Hort, Vlastimil – G174 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nh3 e6 7. O-O Nge7 8. Be3 O-O 9. Qd2 Nd4 10. Bh6 Bxh6
1968 Havirov – Round 10 – Blatny, Frantisek – 0-1 – Radovici, Corvin – G35 1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Bd2 Bd7 7. Qc1 Rb8 8. a4 Nb4 9. Nge2 Nf6 10. O-O O-O
1968 Lugano ol (Men) – Round ? – Rocha, Antonio – 0-1 – Bhend, Edwin – G87 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nh3 e6 7. O-O Nge7 8. Be3 b6 9. Qd2 h5 10. Nf4 Bb7
1968 Lugano ol (Men) fin-C – Round 1 – Zichichi, Alvise – 1/2-1/2 – Boysan, M. – G6 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nd5 e6 7. Ne3 Nge7 8. Ne2 O-O 9. O-O Qc7 10. f4 Bd7
1968 Lugano ol (Men) fin-C – Round 12 – Zichichi, Alvise – 1-0 – Wibe, Terje – G28 1. e4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. d3 d6 6. Nd5 Nf6 7. Ne3 O-O 8. Ne2 Rb8 9. O-O b5 10. f4 Qc7
1968 Lugano olm - Round 1 - Aguilera Rocha, Angelina - 0-1 - Bhend, Edwin - G385 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nh3 e6 7. O-O Nge7 8. Be3 b6 9. Qd2 h5 10. Nf4 Bb7
1968 Lugano olm - Round 1 - Zichichi, Alvise - 1/2-1/2 - Polugaevsky, Lev - G384 1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. Nd5 e6 7. Ne3 Nge7 8. Ne2 O-O 9. O-O d5 10. exd5 exd5
1969 Belgrade – Round 8 – Suttles, Duncan – 0-1 – Gligorić, Svetozar – G17 1. e4 c5 2. Nc3 d6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. Nh3 Nf6 7. O-O Bd7 8. f3 Rb8 9. Be3 Nd4 10. Qd2 e5
1969 Leeuwarden ch-NED – Round 9 – Piket, Jeroen – 0-1 – Timman, Jan H – G45 1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Nh3 b6 7. O-O Bb7 8. f4 Qd7 9. Be3 Nd4 10. Qd2 f5
1969 Pointe-Claire ch CAN – Round ? – Dobrich, Walter – 1/2-1/2 – Vranesic, Zvonko – G22 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nh3 e6 7. O-O Nge7 8. Be3 b6 9. Qd2 h6 10. Rae1 Bb7
1969 POL-SVE – Round 2.1 – Andersson, Ulf 1949 – 1-0 – Doda, Zbigniew – G8 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nh3 Nf6 7. Be3 Rb8 8. O-O O-O 9. Kh1 b5 10. f3 b4
1969 Reggio Emilia ITA – Round 1 – Zichichi, Alvise – 1-0 – Wagman, Stuart – G2 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nd5 Bd7 7. c3 e6 8. Ne3 Nge7 9. Ne2 b5 10. O-O O-O
1969 Reggio Emilia ITA – Round 4 – Zichichi, Alvise – 1/2-1/2 – Bertok, Mario Jr. – G7 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nd5 e6 7. Ne3 Nge7 8. Ne2 b5 9. O-O O-O 10. a3 Rb8
1969 Venice – Round 14 – Zichichi, Alvise – 1/2-1/2 – Troianescu, Octav – G86 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nd5 e6 7. Ne3 Nge7 8. Ne2 Rb8 9. a4 b6 10. O-O Nd4
1969 Venice – Round 2 – Zichichi, Alvise – 0-1 – Hort, Vlastimil – G16 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nd5 e6 7. Ne3 Nge7 8. Ne2 b6 9. O-O Bb7 10. a4 Qd7
1969 Venice – Round 4 – Zichichi, Alvise – 0-1 – Unzicker, Wolfgang – G27 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nd5 e6 7. Ne3 Nge7 8. Ne2 d5 9. exd5 exd5 10. Nf4 d4
1969 Venice – Round 6 – Zichichi, Alvise – 1/2-1/2 – Benko, Pal – G37 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nd5 e6 7. Ne3 Nge7 8. Ne2 b6 9. O-O O-O 10. f4 f5
1971 Hoogovens – Round 1 – Medina-Garcia, Antonio – 1-0 – Masic, Ljubomir – G116 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nh3 Rb8 7. O-O b5 8. a3 a5 9. f4 b4 10. axb4 axb4
1972 Skopje ol (Men) fin-A – Round 15 – Liljedahl, Lennart – 1/2-1/2 – Matulovic, Milan – G209 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Ne2 Rb8 10. a4 b6
1974 Manila – Round 1 – Marjanovic, Slavoljub – 0-1 – Dieks, Roy G – G67 1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. f4 e6 7. Nf3 Nge7 8. O-O Rb8 9. Rb1 b5 10. a3 O-O
Clarin 1979 – Round 1 – Spassky, Boris V. – 1-0 – Franco Ocampos, Zenon – G3 1. e4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. d3 d6 6. Nh3 e5 7. f4 Nge7 8. O-O exf4 9. Nxf4 O-O 10. Be3 Rb8
FIDE-Wch k.o. 1997 – Round 4.4 – Tkachiev, Vladislav – 1-0 – Gelfand, Boris – G165 1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Nh3 e6 7. O-O Nge7 8. Be3 O-O 9. Qd2 Nd4 10. Kh1 Rb8
Phillips&Drew 1982 – Round 1 – Speelman, Jon S – 0-1 – Portisch, Lajos – G38 1. g3 c5 2. Bg2 Nc6 3. e4 g6 4. d3 Bg7 5. Nc3 d6 6. Nf3 e5 7. O-O Nge7 8. Be3 O-O 9. Qd2 Nd4 10. Nh4 Be6
Yerevan ol (Men) 1996 – Round 2 – Sepp, Olav – 1/2-1/2 – Sutovsky, Emil – G13 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nf3 e6 7. O-O Nge7 8. Be3 Nd4 9. Qd2 Rb8 10. Ne1 b5

B25a — Closed

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6

Eval: [-0.20]

Les coups candidats

6.Be3 — 47.7% (16017 parties) →

Ambassadeurs : Parkanyi, Attila (93x), Welz, Peter, Dr. (80x), Bartsch, Berthold (69x), Krapivin, Alexander (68x), Letay, Gyula (61x), Narciso Dublan, Marc (55x), Cross, Gregory W (51x), Pesztericz, Laszlo (50x)

6.f4 — 36.2% (12158 parties) →

Ambassadeurs : Starostits, Ilmars (91x), Detela, Walter (77x), Bohak, Janko (69x), Rogulj, Branko (67x), Larino Nieto, David (44x), Bastian, Herbert (41x), Barkwell, Michael C (36x), Donev, Ivo (34x)

6.Nge2 — 9.7% (3252 parties) →

Ambassadeurs : Tompa, Janos (29x), Chaika, Ivan (16x), Reer, Erdmann (14x), Hug, Werner (12x), Vanek, Petr (12x), Spassky, Boris V. (11x), Spassky, Boris Vasily (11x), Preziuso, Toni (11x)

6.Nh3 — 3.4% (1139 parties)

Ambassadeurs : Frick, Christoph (64x), Bulgarini Torre, Marco (62x), Piersig, Klaus (44x), Uricar, Jakub (19x), Sergeev, Vladimir (18x), Pedersen, Svend (18x), Day, Lawrence A. (16x), Berry, Jonathan (13x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Be3	6.f4	6.Nge2	6.Nh3
<1800	925	47%	35%	12%	2%
1800-2200	13904	51%	34%	10%	3%
2200-2600	11619	46%	38%	8%	5%
2600+	120	48%	27%	18%	6%

Évolution par décennie (% des parties)

Décennie	N parties	6.Be3	6.f4	6.Nge2	6.Nh3
1880s	4	—	—	75%	—
1890s	2	100%	—	—	—
1900s	4	25%	—	50%	—
1920s	14	29%	—	71%	—
1930s	21	38%	5%	57%	—
1940s	37	41%	3%	49%	—
1950s	241	50%	13%	35%	—
1960s	606	30%	40%	20%	4%
1970s	944	28%	48%	8%	13%
1980s	1927	37%	46%	9%	5%
1990s	7470	46%	40%	8%	3%
2000s	11759	51%	36%	8%	2%
2010s	8771	50%	32%	11%	4%
2020s	1786	52%	27%	15%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Be3	50%	52%	▲ +1.6%
6.f4	32%	27%	▼ -4.8%
6.Nge2	11%	15%	▲ +3.8%
6.Nh3	4%	4%	-0.1%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 10 parties
Karpov, Anatoly — 9 parties
Karpov, Aleksandr — 9 parties
Lasker, Emanuel — 6 parties
Tal, Mikhail — 4 parties
Botvinnik, Mikhail — 4 parties
Kasparov, Garry — 4 parties
Kramnik, Vladimir — 4 parties
Carlsen, Magnus — 3 parties
Anand, Viswanathan — 2 parties
Ding, Liren — 2 parties
Ju, Wenjun — 1 partie
Gukesh D — 1 partie

Parties historiques

6.Be3 — 47.7% (16017 parties)

1890 — Lasker, Emanuel vs Bird, Henry — 1/2-1/2 — Liverpool m
1890 — Lasker, Emanuel vs Bird, Henry — 1/2-1/2 — Liverpool m
1905 — Neumann Feliu, Rodrigo vs Caro, Horatio — 0-1 — Barmen GER
1921 — Mitovsky, K. vs Vecsey, Zoltan — 1/2-1/2 — Brno Morava
1923 — Mieses, Jacques vs Maroczy, Geza — 0-1 — Hastings ENG

6.f4 — 36.2% (12158 parties)

1936 — Atkins, Henry Ernest vs Winter, William — 1/2-1/2 — Yorkshire v Middlesex
1949 — Kaliwoda, Kurt vs Foltys, Jan — 1/2-1/2 — Vienna AUT
1950 — Henneberger, Walter vs Leepin, Peter — 0-1 — Lucerne SUI
1950 — Naidenov, Nikola vs Neikirkh, Oleg — 1/2-1/2 — Sofia BUL
1951 — Neikirkh, Oleg vs Ciejka, Tadeusz — 0-1 — Sopot

6.Nge2 — 9.7% (3252 parties)

1881 — Zukertort, Johannes vs Blackburne, Joseph — 1-0 — London ENG
1887 — Gottschall, Hermann vs Blackburne, Joseph — 0-1 — Frankfurt GER
1889 — White, Max vs Bird, Henry — 1/2-1/2 — New York, NY USA
1905 — Leonhardt, Paul vs Bernstein, Olivia — 1-0 — Barmen GER
1906 — Lasker, Emanuel vs Black, Stuart — 1-0 — USA tour sim

6.Nh3 — 3.4% (1139 parties)

1960 — Aguilera Bazan, Oscar vs Wexler, Bernardo — 0-1 — Sao Paulo BRA
1965 — Benko, Pal vs Zuckerman, Bernard — 0-1 — New York ch-USA
1965 — Suttles, Duncan vs Jamieson, Robert M — 1-0 — Wch U20 f-B Barcelona ESP
1965 — Benko, Pal vs Saidy, Anthony — 0-1 — New York ch-USA
1965 — Suttles, Duncan vs Benko, Pal — 0-1 — New York ch-USA

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