B51t — Sicilian: Moscow 3…Nc6 4.O-O Bd7 5.Re1 Nf6 6.c3 a6 7.Bf1

1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Bd7 5.Re1 Nf6 6.c3 a6 7.Bf1 *   ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bQ
bKRoi au centre — vulnérable
bBFou enfermé — mobilité 0
bR
bP
bB
bP
bP
bP
bP
bP
bN
bP
bN
bP
wPPion central
wP
wN
wP
wP
wP
wP
wP
wP
wR
wN
wB
wQ
wR
wBFou actif — mobilité 5
wK
abcdefgh
Atouts. Les Blancs s'appuient sur la paire de fous.

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

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, les fous c1 et f1 et la tour a1).

Plans. Nc3 (Développer Nb1) ; d3 (Libérer Bc1) ; Bd3 (Développer Bf1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wBFou enfermé — mobilité 5
wR
wQ
wBFou enfermé — mobilité 0
wN
wR
wP
wP
wP
wP
wP
wP
wN
wP
Case forte (2v0)
wP
Avant-poste C (accessible)
bP
bN
bP
bN
bP
bP
bP
bP
bP
bBFou actif — mobilité 5
bP
bR
bB
bK
bQ
bR
hgfedcba
Atouts. Les Noirs s'appuient sur les cases fortes g4 et e5, un avant-poste en e5, un fou actif en d7 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1.

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. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Bb4 (Développer Bf8) ; ...Bg4 (Clouer Nf3) ; ...c4 (Rupture) ; ...d5 (Rupture).
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● b2→c3, d2→c3 ● d6→c5, b7→a6, e7→d6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● g4 (2v0), ● e5 (2v1)
Cases faibles
Centre ● e5 (2v1)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 0)
Bf1 ● Bf1 Non développé (mob. 5)
Bd7 ● Bd7 Actif (mob. 5)
Bf8 ● Bf8 Non développé (mob. 0)
Paire de fous ● Oui ● Oui
Non développées 4 (b1, c1, f1, 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 ● c3-c4, ● d2-d3, ● e4-e5 ● …c5-c4, ● …d6-d5, ● …e7-e6, ● …e7-e5
Partie
19. European Teams 2013 – Round 2.4 – Howell, David W L – 0-1 – Kotronias, Vasilios – G80
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d4 cxd4 9. cxd4 d5 10. e5 Nd7
1948 Bad Gastein – Round 14 – Canal, Esteban – 1-0 – Polzer, Hans – G104
1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. c3 Nf6 6. Re1 a6 7. Bf1 e5 8. d4 Be7 9. d5 Na7 10. a4 b5
1972 Skopje ol (Men) fin-A – Round 5 – Andersson, Ulf – 1-0 – Portisch, Lajos – G224
1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 e5 8. h3 h6 9. d4 Qc7 10. a4 g6
2024 SuperUnited Rapid & Blitz Croatia – Round 14 – Saric Ivan – 0-1 – Gukesh D – G66
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d4 cxd4 9. cxd4 d5 10. e5 Nd7
36. Olympiad 2004 – Round 2 – Mamedyarov, Shakhriyar – 1-0 – Bruna Vasquez, Rodrigo Amaru – G51
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d4 cxd4 9. cxd4 d5 10. e5 Nd7
4. World Blitz 2008 – Round 3 – Rublevsky, Sergei – 1/2-1/2 – Ivanchuk, Vasyl – G19
1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 e6 9. h3 Bh5 10. g4 Bg6
43. Olympiad 2018 – Round 1.12 – Van Foreest, Jorden – 1-0 – Kassis, Antoine – G12
1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d4 Bxf3 9. gxf3 e5 10. d5 Ne7
43. Olympiad 2018 – Round 11.30 – El Debs, Felipe de Cresce – 1/2-1/2 – Dardha, Daniel – G743
1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 g5 8. d4 g4 9. Nfd2 cxd4 10. cxd4 Nxd4
8. Tal Mem Blitz 2013 – Round 3 – Caruana, Fabiano – 1-0 – Gelfand, Boris – G13
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 e6 9. Nbd2 Be7 10. h3 Bh5
Amber Rapidplay 2002 – Round 4 – Morozevich, Alexander – 1/2-1/2 – Gelfand, Boris – G17
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 e6 9. Nbd2 Be7 10. h3 Bh5
Amber-blindfold 18th 2009 – Round 3 – Anand, Viswanathan – 0-1 – Carlsen, Magnus – G7
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 e6 9. Nbd2 Be7 10. h3 Bh5
Antalya TUR, World Teams Championship 2013 – Round 8.2 – Naiditsch, Arkadij – 1/2-1/2 – Bu, Xiangzhi – G60
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d4 cxd4 9. cxd4 Bxf3 10. gxf3 d5
Corsican Circuit Final 2016 – Round 2.1 – Anand, Viswanathan – 1-0 – Gharamian, Tigran – G25
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d4 cxd4 9. cxd4 e5 10. d5 Nd4
Croatia GCT 2019 – Round 8.5 – Giri, Anish – 1-0 – Mamedyarov, Shakhriyar – G47
1. Nf3 c5 2. e4 Nc6 3. Bb5 d6 4. O-O Bd7 5. c3 Nf6 6. Re1 a6 7. Bf1 Bg4 8. d4 cxd4 9. cxd4 d5 10. exd5 Nxd5
FIDE WCh KO 2000 – Round 2.3 – Iordachescu, Viorel – 1/2-1/2 – Movsesian, Sergei – G76
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 e6 9. Nbd2 Be7 10. h3 Bh5
FIDE WCh KO 2001 – Round 3.1 – Zhang, Zhong – 1/2-1/2 – Topalov, Veselin – G255
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 Nd7 9. Nbd2 e6 10. h3 Bh5
FIDE World Cup 2015 – Round 1.1 – Lu, Shanglei – 1-0 – Moiseenko, Alexander – G39
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d4 cxd4 9. cxd4 e5 10. d5 Nd4
FIDE World Cup 2019 – Round 1.2 – Svidler, Peter – 1-0 – Albornoz Cabrera, Carlos Daniel – G104
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d4 Bxf3 9. gxf3 cxd4 10. cxd4 d5
FIDE-Wch k.o. 1997 – Round 3.1 – Adams, Michael – 1-0 – Tiviakov, Sergei – G114
1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 g6 9. Nbd2 Bg7 10. h3 Bxf3
FIDE-Wch k.o. 1997 – Round 3.6 – Anand, Viswanathan – 1/2-1/2 – Khalifman, Alexander – G148
1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 g6 9. Nbd2 Bg7 10. h3 Bd7
GMA 2004 – Round 9 – Zhang, Zhong – 1/2-1/2 – Topalov, Veselin – G58
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 e6 9. Nbd2 Nd7 10. h3 Bh5
Interpolis 1986 – Round 11 – Korchnoi, Viktor – 0-1 – Portisch, Lajos – G37
1. Nf3 c5 2. e4 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d4 cxd4 9. cxd4 d5 10. e5 Ng8
Leningrad ch-URS 1977 – Round 1 – Dorfman, Iossif – 1/2-1/2 – Polugaevsky, Lev – G20
1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 g6 9. Nbd2 Bh6 10. h3 Bxf3
Olympiad 2002 – Round 1 – Zhang, Zhong – 1-0 – Atakisi, Umut – G31
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 e6 9. Nbd2 Be7 10. h3 Bh5
Olympiad 2002 – Round 5 – Ye, Jiangchuan – 1-0 – Radjabov, Teimour – G154
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 e5 8. h3 Be7 9. d4 Qc7 10. d5 Nd8
RUS vs. ROW 2002 – Round 3 – Morozevich, Alexander – 1-0 – Akopian, Vladimir – G21
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 e6 9. Nbd2 Be7 10. h3 Bh5
RUS vs. ROW 2002 – Round 4 – Grischuk, Alexander – 1-0 – Radjabov, Teimour – G29
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 Bxf3 9. Qxf3 g6 10. Qd1 Bg7
Skopje ol (Men) fin-A 1972 – Round 5 – Andersson, Ulf 1949 – 1-0 – Portisch, Lajos – G15
1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 e5 8. h3 h6 9. d4 Qc7 10. a4 g6
Sparkassen Cat XXI 2001 – Round 8 – Anand, Viswanathan – 0-1 – Topalov, Veselin – G22
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 e6 9. Nbd2 Nd7 10. h3 Bh5
TCh-RUS 2005 – Round 2 – Malakhov, Valentyn – 1/2-1/2 – Tregubov, Pavel V. – G32
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 e6 9. Nbd2 Nd7 10. h3 Bh5
TCh-RUS 2005 – Round 8 – Potkin, Vladimir – 1/2-1/2 – Kobalia, Mikhail – G132
1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 g6 9. Nbd2 Bg7 10. h3 Bxf3
Thessaloniki olm 1984 – Round 11 – Fernandez Garcia, Jose Luis(2) – 1/2-1/2 – Ribli, Zoltan – G69
1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. c3 Nf6 6. Re1 a6 7. Bf1 Bg4 8. d4 cxd4 9. cxd4 Bxf3 10. gxf3 e5
World Blitz 2007 – Round 1 – Savchenko, Boris – 1/2-1/2 – Korotylev, Alexey – G7
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 e6 9. Nbd2 Nd7 10. h3 Bh5
World Blitz 2007 – Round 23 – Rublevsky, Sergei – 1-0 – Korotylev, Alexey – G226
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 e6 9. Nbd2 Be7 10. h3 Bh5
World Blitz 2007 – Round 29 – Rublevsky, Sergei – 1-0 – Dreev, Aleksey – G285
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d3 e6 9. Nbd2 Nd7 10. h3 Bh5
World Blitz 2015 – Round 13.8 – Svidler, Peter – 1-0 – Movsesian, Sergei – G845
1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 e5 8. h3 Be7 9. d4 O-O 10. d5 Na7
World Blitz 2015 – Round 18.39 – Bacrot, Etienne – 0-1 – Moiseenko, Alexander – G1126
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d4 cxd4 9. cxd4 e5 10. d5 Nd4
World Blitz 2016 – Round 10.33 – Ghaem Maghami, Ehsan – 1-0 – Moiseenko, Alexander – G406
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d4 cxd4 9. cxd4 e5 10. d5 Nd4
World Blitz 2018 – Round 1.52 – Abdusattorov, Nodirbek – 1/2-1/2 – Matlakov, Maxim – G41
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. c3 Nf6 6. Re1 a6 7. Bf1 Bg4 8. d4 Bxf3 9. gxf3 cxd4 10. cxd4 e5
B51t — Moscow
1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Bd7 5.Re1 Nf6 6.c3 a6 7.Bf1
Eval: [+0.41]
Les coups candidats
7…Bg4 — 90.3% (3282 parties)
Ambassadeurs : Da Silva Filho, Alcindo Luz Bastos (22x), Tiviakov, Sergei (17x), Andriasian, Zaven (17x), Glek, Igor (13x), Movsesian, Sergei (13x), Hracek, Zbynek (13x), Babula, Vlastimil (13x), Grivas, Efstratios (13x)
7…e5 — 6.8% (248 parties)
Ambassadeurs : Williams, Simon K (7x), Dvoirys, Semen I. (7x), Vetokhin, Savva (5x), Kamalidenova, Meruert (5x), Maciejewski, Andrzej (2x), Ksieski, Zbigniew (2x), Davies, Nigel R (2x), Brynell, Stellan (2x)
7…g6 — 1.4% (50 parties)
Ambassadeurs : Zitserman, Tatyana (2x), Flueckiger, Christian (1x), Sorensen, Torben (1x), Zatulovskaya, Tatiana (1x), Nudelman, Lea (1x), Haring Orton, Ruth Inez (1x), Madebrink, Lars (1x), Eriksson, Anders (1x)
7…e6 — 1.1% (40 parties)
Ambassadeurs : King, Daniel J (1x), Grooten, Herman (1x), Sarthou, Gaetan (1x), Collas, Didier (1x), Gubanov, Anton (1x), Kiselev, Maksim (1x), Planatscher, Alois (1x), Stenek, Bruno (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Bg4 7…e5 7…g6 7…e6
<1800 35 74% 3% 9% 11%
1800-2200 771 89% 6% 3% 2%
2200-2600 2465 91% 7% 1% 1%
2600+ 219 96% 4% 0%
Évolution par décennie (% des parties)
Décennie N parties 7…Bg4 7…e5 7…g6 7…e6
1940s 1 100%
1960s 2 50% 50%
1970s 35 63% 29% 9%
1980s 82 77% 18% 4% 1%
1990s 308 84% 12% 1% 1%
2000s 971 90% 6% 1% 2%
2010s 1611 93% 5% 1% 1%
2020s 624 91% 7% 1% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Bg4 93% 91% ▼ -2.1%
7…e5 5% 7% ▲ +2.4%
7…g6 1% 1% -0.0%
7…e6 1% 1% +0.2%
Joueurs célèbres
Champions du monde dans cette position
Anand, Viswanathan — 7 parties
Ju, Wenjun — 4 parties
Gukesh D — 4 parties
Tal, Mikhail — 2 parties
Kramnik, Vladimir — 2 parties
Kasparov, Garry — 2 parties
Hou, Yifan — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
7…Bg4 — 90.3% (3282 parties)
1965 — Perez Perez, Francisco Jose vs O'Kelly, Albéric de Galway — 0-1 — Havana CUB
1971 — Barendregt, Johan vs Gliksman, Darko — 0-1 — Liberation tourn
1974 — Pribyl, Josef vs Adamski, Jan — 1/2-1/2 — Lublin POL
1975 — Plachetka, Jan vs Adamski, Jan — 1/2-1/2 — Stockholm SWE
1976 — Tal, Mikhail vs Kupreichik, Viktor D — 1-0 — Moskou ch-URS
7…e5 — 6.8% (248 parties)
1948 — Canal, Esteban vs Polzer, Hans — 1-0 — Bad Gastein
1963 — Giustolisi, Alberto vs Scafarelli, Francesco — 1-0 — Imperia ITA
1970 — Ciocaltea, Victor vs Kertesz, Alfred — 1-0 — Bucharest ROU
1971 — Rogoff, Kenneth vs Gliksman, Darko — 1-0 — Liberation tourn
1972 — Jansa, Vlastimil vs Mukhin, Mikhail — 1/2-1/2 — Sukhumi GEO
7…g6 — 1.4% (50 parties)
1976 — Nudelman, Lea vs Haring Orton, Ruth Inez — 1-0 — Haifa ISR
1979 — Zatulovskaya, Tatiana vs Zitserman, Tatyana — 1-0 — URS
1979 — Sarkisova, N. vs Zitserman, Tatyana — 1-0 — URS
1981 — Flueckiger, Christian vs Sorensen, Torben — 0-1 — Haderslev
1982 — Madebrink, Lars vs Eriksson, Anders — 0-1 — Gavle
7…e6 — 1.1% (40 parties)
1982 — King, Daniel J vs Grooten, Herman — 0-1 — Manchester ENG
1992 — Gubanov, Anton vs Kiselev, Maksim — 0-1 — St Petersburg RUS
1998 — Planatscher, Alois vs Stenek, Bruno — 0-1 — Vorarlberg
1998 — Brajovic, Radovan vs Podgorski, Slawomir — 1-0 — Bucharest ROU
1999 — Sarthou, Gaetan vs Collas, Didier — 1/2-1/2 — Saint Affrique FRA

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