B43 — Sicilian Defense: Kan Variation, Wing Attack

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5   ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bBFou enfermé — mobilité 1
bQ
bKRoi au centre — vulnérable
bBFou enfermé — mobilité 5
bN
bR
bP
bP
bP
bP
bP
bP
bP
wN
wPPion central
wN
wP
wP
wP
wP
wP
wP
wR
wBFou actif — mobilité 5
wQ
wK
wBFou actif — mobilité 4
wR
abcdefgh
Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), 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) ; Bd3 (Développer Bf1) ; Be3 (Développer Bc1) ; Tour sur colonne d.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wBFou enfermé — mobilité 4
wKRoi au centre — doit roquer
wQ
wBFou enfermé — mobilité 5
wR
wP
wP
wP
wP
wP
wP
wN
wP
wN
bP
bP
bP
bP
bP
bP
bP
bR
bN
bBFou actif — mobilité 5
bK
bQ
bB
bN
bR
hgfedcba
Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (2 contre 1), 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 cavaliers b8 et g8, les fous c8 et f8 et les tours a8 et h8).

Plans. ...d6 (Libérer Bc8) ; O-O (Mettre le roi en sécurité, connecter les tours) ; ...Qb6 (prépare éventuellement O-O-O) ; ...Nc6 (Développer Nb8) ; ...Nf6 (Développer Ng8).
Avantages
Faiblesses adverses
Diagonale active
Plans

Base Masters : Blancs 30.8%, Nulles 33.2%, Noirs 35.9%.
Coups candidats
6.Bd3  (80.9% — Blancs: 32.1% | Nulles: 34.3% | Noirs: 33.6%)
6.g3  (7.7% — Blancs: 28.3% | Nulles: 28.6% | Noirs: 43.1%)
6.Be2  (3.8% — Blancs: 26.2% | Nulles: 31.5% | Noirs: 42.3%)
6.a3  (3.7% — Blancs: 18.8% | Nulles: 22.9% | Noirs: 58.3%)
6.Be3  (3.0% — Blancs: 26.1% | Nulles: 32.8% | Noirs: 41.2%)
6.a4  (0.3% — Blancs: 10.0% | Nulles: 40.0% | Noirs: 50.0%)
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.Nf3 Contrôle c4, d4, d5, e5.
2…e6 Avancée centrale — contrôle d5, f5. Prépare d5, Be7, Bd6.
3.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
3…cxd4 Capture en d4 — résout la tension centrale.
4.Nxd4 Capture pion en d4.
4…a6 Coup prophylactique — empêche Nb5, Bb5. Prépare b5.
5.Nc3 Contrôle c4, f4, d5, f5.
5…b5 Expansion sur l’aile — contrôle a4, c4. Prépare b4, a5.
Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● a6→b5, d7→e6, f7→e6
Passés
Majorité ● aile_dame 3v2 ● centre 2v1
Cases
♔ Blancs ♚ Noirs
Cases fortes
Cases faibles
Centre ● d4 (1v0), ● d5 (2v1), ● e4 (1v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Semi-ouvertes ● d ● c
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 5)
Bf1 ● Bf1 Non développé (mob. 4)
Bc8 ● Bc8 Non développé (mob. 1)
Bf8 ● Bf8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 4 (c1, f1, a1, h1) 6 (b8, g8, 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, ● …f7-f6, ● …f7-f5
Partie
1934 Ujpest – Round 1 – Treybal, Karel – 1/2-1/2 – Sterk, Karoly – G67
1. e4 c5 2. Nc3 e6 3. Nf3 a6 4. d4 cxd4 5. Nxd4 b5 6. a3 Bb7 7. Be3 Nf6 8. Bd3 Qc7 9. O-O d6 10. Qe2 Nbd7
1952 OWL Ch – Round 3 – Kochan, Fritz – 0-1 – Hantke Rolf – G9
1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 b5 6. a3 Bb7 7. Be2 Qc7 8. O-O Nf6 9. Qd3 d6 10. f4 Nbd7
1958 Munich olm fin-B – Round 7 – Yanofsky, Daniel Abraham – 1/2-1/2 – Raizman, Maurice – G29
1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 b5 6. g3 Bb7 7. Bg2 Nf6 8. a3 Qc7 9. O-O Nc6 10. Nb3 Be7
1958 URS-ch25 – Round ? – Tolush, Alexander V – 0-1 – Gipslis, Aivars – G12
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Bd3 Qc7 8. Qe2 Nc6 9. Nb3 Nf6 10. f4 d6
1959 DEN Ch – Round 1 – Terkelsen, Frode – 0-1 – Andersen, Borge – G4
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 d6 7. g3 Nf6 8. Bg2 Bb7 9. O-O Qc7 10. Qe2 Nbd7
1959 Zuerich – Round 1 – Dueckstein, Andreas – 0-1 – Larsen, Benjamin Holsko – G38
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Bd3 Bc5 8. Be3 Qb6 9. Nce2 e5 10. Nf5 g6
1960 Leipzig olm prel – Round 7 – Cuschieri, Michael – 0-1 – Neikirkh, Oleg – G243
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Bd3 Qc7 8. O-O Nf6 9. Nf3 Nc6 10. b4 Nxb4
1960 Madrid zt – Round 9 – Walther, Edgar – 0-1 – Portisch, Lajos – G68
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. g3 b4 7. Nb1 Bb7 8. Bg2 Nf6 9. Nd2 d5 10. e5 Nfd7
1961 Maroczy Memorial – Round 1 – Dely, Peter – 1-0 – Donner, Jan-Hein – G29
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. g3 Bb7 7. Bg2 Qc7 8. O-O d6 9. Re1 Nd7 10. a4 bxa4
1961 Oberhausen etc – Round 2 – Unzicker, Wolfgang – 1/2-1/2 – Pachman, Ludek – G70
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Bd3 Qc7 8. O-O Nc6 9. Nxc6 Qxc6 10. Qe2 Nf6
1962 Asztalos Memorial 5th – Round 12 – Szily, Jozsef – 1/2-1/2 – Robatsch, Karl – G88
1. e4 c5 2. Nf3 a6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 b5 6. a3 Bb7 7. Bd3 Qc7 8. O-O Nf6 9. Re1 d6 10. Bg5 Nbd7
1962 Capablanca Memorial – Round 5 – Alvarez del Monte, Jose – 0-1 – Pachman, Ludek – G48
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Be2 Qc7 8. O-O Nf6 9. Bf3 d6 10. Be3 Nbd7
1962 DDR-12ch – Round 11 – Boehnisch, Manfred – 0-1 – Pietzsch, Wolfgang – G30
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bf4 Bb7 7. Bxb5 axb5 8. Ndxb5 Na6 9. O-O Nf6 10. Re1 d5
1962 Varna olm – Round 8 – Zinn, Lothar – 0-1 – Bellver Franco, Manuel Edgar – G362
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. g3 Bb7 7. Bg2 d6 8. O-O Nd7 9. a4 b4 10. Na2 Ngf6
1963 Bad Liebenstein – Round 6 – Damjanovic, Mato – 1-0 – Jansa, Vlastimil – G40
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Be3 Bb7 7. Bd3 d6 8. a4 b4 9. Nb1 Nf6 10. f3 Nbd7
1963 Capablanca Memorial – Round 14 – Bobotsov, Milko G – 1/2-1/2 – Pachman, Ludek – G135
1. Nf3 c5 2. e4 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Be2 Qc7 8. O-O Nf6 9. Bf3 d6 10. g4 h6
1963 CSR Ch – Round 3 – Trapl, Jindrich – 1-0 – Filip, Miroslav – G24
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Bd3 d6 8. O-O Nf6 9. Be3 Nbd7 10. f4 Rc8
1963 Dravograd – Round 5 – Zidansek, Bojan – 0-1 – Ostojic, Predrag – G8
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Be3 Bb7 7. Bd3 Qc7 8. O-O Nc6 9. Kh1 Nf6 10. f4 b4
1963 Dravograd – Round 9 – Bratko, Alexander – 0-1 – Ostojic, Predrag – G14
1. d4 c5 2. Nf3 e6 3. e4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. g3 Bb7 7. Bg2 Nf6 8. a3 Qc7 9. O-O Nc6 10. Be3 Na5
1963 Halle zt – Round 1 – Kinnmark, Ove – 0-1 – Kavalek, Lubomir – G76
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Be2 d6 8. f4 Nd7 9. O-O Rc8 10. Bf3 Rc4
1963 Sverdlovsk – Round ? – Goldenov, Boris P – 1/2-1/2 – Ilivitsky, Georgy A – G11
1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 b5 6. a3 Bb7 7. g3 Nf6 8. Bg2 Be7 9. O-O d5 10. exd5 Nxd5
1964 Amsterdam Interzonal – Round 23 – Perez Perez, Francisco Jose – 0-1 – Reshevsky, Samuel – G235
1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 b5 6. a3 Bb7 7. g3 Nf6 8. Bg2 d6 9. O-O Nbd7 10. Re1 Qc7
1964 Baku Baku AZE – Round ? – Yudovich, Mikhail M – 1-0 – Tsvetkov, Alexandar K – G1
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. g3 Bb7 7. Bg2 Nf6 8. a3 b4 9. axb4 Bxb4 10. O-O O-O
1964 EU Ch U20 Niemeyer 3rd – Round 3 – Huebner, Robert – 1-0 – Kolbak, Jens – G9
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. g3 Bb7 7. Bg2 Nf6 8. Qe2 b4 9. Na4 d5 10. Bg5 Be7
1964 EU Team Ch sf – Round 5.10 – Daskalov, Georgi – 0-1 – Szilagyi, Gyorgy Laszlo – G68
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Be2 Qc7 8. Be3 Nf6 9. Bf3 Nc6 10. Nxc6 Bxc6
1964 Kecskemet zt – Round 1 – Hecht, Hans-Joachim – 1/2-1/2 – Bhend, Edwin – G33
1. e4 c5 2. Ne2 e6 3. Nbc3 a6 4. d4 cxd4 5. Nxd4 b5 6. a3 Bb7 7. Bd3 Nc6 8. Be3 Qc7 9. O-O Nf6 10. Qe2 Be7
1964 Malaga – Round 9 – Puig, Pedro – 0-1 – Portisch, Lajos – G44
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Be2 Bb7 7. Bf3 Qc7 8. O-O Nc6 9. Be3 Ne5 10. Be2 b4
1964 Moscow RUS – Round 13 – Platonov, Igor V – 1-0 – Polugaevsky, Lev – G31
1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 b5 6. g3 Bb7 7. Bg2 b4 8. Nb1 Nf6 9. Qd3 a5 10. O-O Na6
1964 Moscow RUS – Round 7 – Estrin, Yakov – 0-1 – Polugaevsky, Lev – G18
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Be2 Bb7 7. Bf3 Qc7 8. O-O Nc6 9. Nxc6 dxc6 10. a4 Bd6
1964 RSFSR-HUN – Round 1.8 – Kotkov, Yuri M – 1/2-1/2 – Szilagyi, Peter – G8
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Be2 Bb7 7. Bf3 Qc7 8. O-O d6 9. a4 b4 10. Na2 Nf6
1964 RSFSR-HUN – Round 3.8 – Kotkov, Yuri M – 0-1 – Szilagyi, Peter – G25
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Be2 Bb7 7. Bf3 Ne7 8. O-O Nbc6 9. g3 Nxd4 10. Qxd4 Nc6
1964 Tel Aviv olm prel – Round 6 – Ascencios, Julio – 1/2-1/2 – Brinck-Claussen, Bjorn – G229
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Bd3 d6 8. f4 Nd7 9. Nf3 Ngf6 10. O-O Be7
1964 Tel Aviv olm prel – Round 7 – Radovici, Corvin – 1/2-1/2 – Perez Perez, Francisco Jose – G261
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Be2 Bb7 7. a3 Qc7 8. O-O Nf6 9. Bf3 d6 10. a4 b4
1964 WchT U26 11. fin-A – Round 4.2 – Tsagan, T – 1/2-1/2 – Neukirch, Detlef – G68
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Bd3 d6 8. Be3 Nd7 9. f4 Ngf6 10. Qf3 Rc8
1964 WchT U26 11. fin-A – Round 8.1 – Myagmarsuren, Lkhamsuren – 1-0 – Lombardy, William J – G130
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. g3 Bb7 7. a3 Ne7 8. Bg2 Nbc6 9. Be3 Nxd4 10. Bxd4 Nc6
1964 WchT U26 11. fin-A – Round 8.3 – Chipev Teodor – 0-1 – Jansa, Vlastimil – G141
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Bd3 d6 8. O-O Nd7 9. Kh1 Ngf6 10. f4 Be7
1965 Chigorin Memorial – Round 3 – Ujtumen, Tudev – 0-1 – Damjanovic, Mato – G11
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. g3 Bb7 7. Bg2 Nf6 8. a3 b4 9. axb4 Bxb4 10. Bg5 Qc7
1965 FRG CupT – Round 1.2 – Martius, Ottokar – 1/2-1/2 – Huebner, Robert – G5
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Bd3 Ne7 8. Qh5 Nec6 9. Nb3 d6 10. f4 Nd7
1965 Harrachov 6465 – Round 7 – Bellin, Jana M – 0-1 – Jansa, Vlastimil – G3
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Bd3 d6 8. f4 Nd7 9. O-O Ngf6 10. Be3 Rc8
1966 La Habana olm fin-A – Round 8 – Wibe, Terje – 1/2-1/2 – Garcia Martinez, Silvino – G150
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Be3 Bb7 7. Bd3 Nf6 8. f3 d6 9. O-O Nbd7 10. Nce2 d5
1966 La Habana olm prel – Round 4 – Rivera, Marino – 0-1 – Garcia Martinez, Silvino – G149
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Bd3 Nc6 8. Nxc6 Bxc6 9. O-O d6 10. Re1 Nf6
1966 Mar del Plata 27th – Round 9 – Pilnik, Herman – 0-1 – Pelikan, Jan – G33
1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 b5 6. a3 Bb7 7. Be2 Nc6 8. O-O Nge7 9. Nb3 Ng6 10. f4 Qb6+
1966 Tbilisi – Round 1 – Bokuchava, Alexander – 1-0 – Gipslis, Aivars – G7
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Be3 Bb7 7. Bd3 Ne7 8. O-O Nec6 9. Nb3 d6 10. f4 Be7
1966 Titovo Uzice – Round 12 – Nikolic, Stanimir – 0-1 – Suetin, Alexey S – G92
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. g3 Bb7 7. Bg2 b4 8. Nb1 Nf6 9. Bg5 h6 10. Bxf6 Qxf6
1967 Halle zt – Round 5 – Zinn, Lothar – 0-1 – Portisch, Lajos – G21
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. g3 b4 7. Na4 Bb7 8. Bg2 Nf6 9. Qe2 Nc6 10. Be3 Nxd4
1967 OWL Ch – Round 4 – Gilg, Karl – 0-1 – Huebner, Robert – G8
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. g3 Bb7 7. Bg2 Nf6 8. Qd3 d6 9. O-O Nbd7 10. a3 Ne5
1967 ROM Ch – Round 14 – Troianescu, Octav – 0-1 – Drimer, Dolfi – G96
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Bd3 d6 8. Qe2 Nd7 9. O-O Ngf6 10. f4 Qc7
1967 Sarajevo – Round 4 – Dan Nikolic, Slobodan – 1-0 – Kavalek, Lubomir – G22
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Bd3 d6 8. Be3 Nd7 9. O-O Ngf6 10. f4 g6
1967 Sofia women – Round 1 – Nuenchert, Eveline – 1/2-1/2 – Asenova, Venka – G1
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Be3 Qc7 8. Bd3 Nf6 9. O-O Nc6 10. Kh1 Nxd4
1967 Sofia women – Round 3 – Makai, Zsuzsa – 1/2-1/2 – Asenova, Venka – G3
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Bd3 Qc7 8. O-O Nc6 9. Be3 Nf6 10. Kh1 h5
1968 Lugano olm - Round 1 - Casa, Alex - 1/2-1/2 - Portisch, Lajos - G189
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Be3 d6 8. Bd3 Nf6 9. O-O Nbd7 10. f4 Rc8
1968 Prague U26 – Round 15 – Holeksa, Milos – 0-1 – Jansa, Vlastimil – G64
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Be3 Bb7 7. Bd3 Qc7 8. h4 Nf6 9. f3 b4 10. Nce2 d5
1969 Moskou ch-URS – Round 1 – Balashov, Yuri S – 1/2-1/2 – Gipslis, Aivars – G109
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Be2 Bb7 7. O-O Nc6 8. Re1 Nge7 9. Bf4 Ng6 10. Bg3 Be7
41. Olympiad Open 2014 – Round 1.4 – Chumfwa, Stanley – 0-1 – Bacrot, Etienne – G55
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Be2 Bb7 7. Bf3 Ne7 8. O-O Nbc6 9. Nxc6 Nxc6 10. e5 Qc7
Dortmund 1997 – Round 5 – Topalov, Veselin – 1/2-1/2 – Short, Nigel D – G20
1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 b5 6. g3 Bb7 7. Bg2 Nf6 8. a3 d6 9. O-O Qc7 10. Re1 Be7
FIDE GP 2008 – Round 3 – Gashimov, Vugar – 1-0 – Svidler, Peter – G19
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Be2 Bb7 7. Bf3 Qc7 8. O-O Bd6 9. a4 Bxh2+ 10. Kh1 Be5
Olympiad 2002 – Round 12 – Abdelnabbi, Imed – 0-1 – Bologan, Victor – G417
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. a3 Bb7 7. Bd3 d6 8. O-O Nf6 9. Qe2 Be7 10. Bg5 Nbd7
World Blitz 2023 – Round 15.12 – Abdusattorov, Nodirbek – 1-0 – Narayanan, Sunilduth Lyna – G843
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. g3 Bb7 7. Bg2 Nf6 8. a3 d6 9. O-O Nbd7 10. Re1 Rb8
B43c —
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5
Eval: [+0.36]
Les coups candidats
Ambassadeurs : Epishin, Vladimir (43x), Simonian, Hrair (29x), Kveinys, Aloyzas (28x), Ionescu, Constantin (26x), Bernasek, Jan (24x), Markowski, Tadeusz (23x), Meijers, Viesturs (23x), Kengis, Edvins (22x)
6.a3 — 13.7% (1318 parties)
Ambassadeurs : Tsirulnik, Maritsa (9x), Lekic, Lazar (6x), Svobodova, Michaela (5x), Bologan, Victor (5x), Sop Kanli, Selen (5x), Lowke, Stefan (4x), Velikov, Petar (4x), Tagnon, Nicole (4x)
6.g3 — 7.6% (728 parties)
Ambassadeurs : Felgaer, Ruben (5x), Smirin, Ilia (5x), Olsson, Anders (4x), Akesson, Ralf (4x), Bellon Lopez, Juan Manuel (4x), Kalegin, Evgenij (4x), Pfretzschner, Roland (4x), Tzidkiya, Yeshaayahu (4x)
6.Be3 — 6.5% (624 parties)
Ambassadeurs : Kovchan, Alexander (5x), Strikovic, Aleksa (4x), Dolzhykova, Kateryna (4x), Gipslis, Aivars (3x), Mihok, Oliver (3x), Anderson, Michael Gene (3x), Jansa, Vlastimil (2x), Hackbusch, Jana (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6.Bd3 6.a3 6.g3 6.Be3
<1800 240 40% 38% 2% 11%
1800-2200 2606 52% 22% 8% 10%
2200-2600 5400 76% 6% 8% 4%
2600+ 179 93% 4% 1%
Évolution par décennie (% des parties)
Décennie N parties 6.Bd3 6.a3 6.g3 6.Be3
1920s 2 100%
1930s 2 50%
1950s 19 68% 21% 5%
1960s 260 70% 15% 7% 3%
1970s 113 79% 8% 7% 1%
1980s 118 76% 6% 7% 5%
1990s 864 62% 16% 6% 6%
2000s 3961 66% 13% 8% 7%
2010s 3298 65% 15% 7% 6%
2020s 950 64% 15% 9% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6.Bd3 65% 64% ▼ -1.0%
6.a3 15% 15% -0.1%
6.g3 7% 9% ▲ +2.2%
6.Be3 6% 7% +0.2%
Joueurs célèbres
Champions du monde dans cette position
Kasparov, Garry — 8 parties
Tal, Mikhail — 4 parties
Carlsen, Magnus — 3 parties
Hou, Yifan — 3 parties
Karpov, Anatoly — 2 parties
Anand, Viswanathan — 2 parties
Botvinnik, Mikhail — 2 parties
Smyslov, Vladimir — 1 partie
Kramnik, Vladimir — 1 partie
Gukesh D — 1 partie
Parties historiques
6.Bd3 — 65.7% (6302 parties)
1922 — Bogoljubow, Efim vs Rubinstein, Akiba — 1/2-1/2 — Londen
1922 — Bogoljubow, Efim vs Rubinstein, Akiba — 1/2-1/2 — London ENG
1957 — Suetin, Alexey S vs Spassky, Boris V. — 1/2-1/2 — Leningrad RUS
1958 — Boleslavsky, Isaac vs Kotov Lundqvist, Alex — 1/2-1/2 — Riga ch-URS
1958 — Tal, Mikhail vs Gipslis, Aivars — 1-0 — Riga ch-URS
6.a3 — 13.7% (1318 parties)
1934 — Treybal, Karel vs Sterk, Karoly — 1/2-1/2 — Ujpest
1952 — Kochan, Fritz vs Hantke Rolf — 0-1 — Guetersloh
1958 — Tolush, Alexander V vs Gipslis, Aivars — 0-1 — Riga LAT
1959 — Terkelsen, Frode vs Andersen, Borge — 0-1 — Aarhus DEN
1959 — Dueckstein, Andreas vs Larsen, Benjamin Holsko — 0-1 — Zurich SUI
6.g3 — 7.6% (728 parties)
1958 — Yanofsky, Daniel Abraham vs Raizman, Maurice — 1/2-1/2 — Munchen olm
1960 — Walther, Edgar vs Portisch, Lajos — 0-1 — Madrid ESP
1961 — Dely, Peter vs Donner, Jan-Hein — 1-0 — Budapest HUN
1962 — Zinn, Lothar vs Bellver Franco, Manuel Edgar — 0-1 — Varna BUL
1963 — Bratko, Alexander vs Ostojic, Predrag — 0-1 — Dravograd
6.Be3 — 6.5% (624 parties)
1963 — Zidansek, Bojan vs Ostojic, Predrag — 0-1 — Dravograd
1963 — Damjanovic, Mato vs Jansa, Vlastimil — 1-0 — Bad Liebenstein
1965 — Artshakova vs Keller-Hermann, Edith — 1/2-1/2 — Berlin East
1966 — Bokuchava, Alexander vs Gipslis, Aivars — 1-0 — Tbilisi GEO
1966 — Aijala, Jouko vs Nagy, Bela — 0-1 — Oerebro

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