B51 — Sicilian Defense: Moscow Variation

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Qe2 (Pression sur colonne e, Prépare O-O-O — 66 % des parties) ; Ba4 (Clouer d7, Fou actif (mobilité 5) — 14 % des parties) ; Bd3 (Fou actif (mobilité 6) — 10 % des parties) ; d3 (Solidifier le centre — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nf6 (Développer g8 — 82 % des parties) ; ...a6 (Préparer expansion aile dame — 16 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Base Masters : Blancs 28.0%, Nulles 40.4%, Noirs 31.6%.

Coups candidats

4…Nf6  (90.7% — Blancs: 27.4% | Nulles: 40.9% | Noirs: 31.8%)
4…a6  (9.0% — Blancs: 34.1% | Nulles: 35.7% | Noirs: 30.2%)
4…g6  (0.1%)
4…e6  (0.1%)
4…Qc7  (0.1%)

auto

Analyse coup par coup — 7 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…d6 Avancée centrale — contrôle c5, e5. Prépare e5, Nd7.
3.Bb5+ Contrôle c4, d4, d5, e5. Échec !
3…Nd7 Contrôle d4, e5.
4.c3 Contrôle b4, d4. Prépare d4.

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, d2→c3	● d6→c5, e7→d6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb5	● Bb5 Actif (mob. 8)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	—	● knight d7
Non développées	4 (● b1, ● c1, ● a1, ● h1)	5 (● 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	mobile
Ruptures	● d2-d4, ● e4-e5	● …d6-d5, ● …f7-f5

Partie
10. London Classic 2018 – Round 1.5 – Aronian, Levon – 0-1 – Vachier-Lagrave, Maxime – G9 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Bd3 Ne5 6. Be2 Nxf3+ 7. Bxf3 e5 8. d4 Be7 9. O-O O-O 10. Be3 b6
10. London Classic 2018 – Round 1.7 – Aronian, Levon – 1-0 – Vachier-Lagrave, Maxime – G13 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Bd3 Ne5 6. Be2 Nxf3+ 7. Bxf3 e5 8. d4 Be7 9. dxe5 dxe5 10. Qxd8+ Bxd8
1948 Venice – Round 1 – Canal, Esteban – 0-1 – Najdorf, Miguel – G52 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 a6 5. Ba4 Nf6 6. Bc2 e5 7. d4 Be7 8. O-O O-O 9. Nbd2 Qc7 10. Re1 Re8
1949 Beverwijk NED – Round ? – Schmidt, Paul Felix – 1-0 – Tartakower, Savielly – G10 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 a6 5. Ba4 Nf6 6. Bc2 e5 7. O-O Be7 8. a4 O-O 9. c4 Nb8 10. Nc3 Bg4
1949 Beverwijk NED – Round 1 – Bergsma, Klaas – 0-1 – Tartakower, Savielly – G1 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 a6 5. Ba4 Nf6 6. Qe2 e5 7. O-O b5 8. Bc2 Bb7 9. d4 Be7 10. Rd1 Qc7
1949 Moscow RUS – Round 1 – Simagin, Vladimir – 1-0 – Abramov, Lev – G14 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 g6 7. O-O Bg7 8. d4 cxd4 9. cxd4 O-O 10. Nc3 b5
1950 Stevenson Mem 2. / SCCU Ch – Round 10 – Trevenen, Henry Vickers W – 1/2-1/2 – Aitken, James – G13 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 e5 6. O-O a6 7. Ba4 b5 8. Bc2 Be7 9. Rd1 O-O 10. d3 Bb7
1950 Wch women – Round ? – Grushkova, Bellska Nina – 0-1 – Chaude de Silans, Chantal – G26 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 e6 6. d4 cxd4 7. cxd4 Be7 8. O-O O-O 9. Bd2 a6 10. Bd3 e5
1954 Olympiad prel IV – Round 1 – Walther, Edgar – 1/2-1/2 – Gereben, Erno – G16 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 a6 5. Ba4 Nf6 6. Bc2 e6 7. d4 Be7 8. O-O Qc7 9. Re1 e5 10. dxe5 dxe5
1954 Prague zt Prague CZE – Round 10 – Koskinen, Hannu E. – 0-1 – Barcza, Gedeon – G36 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 e5 6. O-O Be7 7. d4 Qc7 8. dxe5 dxe5 9. a4 O-O 10. Bg5 Rd8
1955 Prague tm – Round 5 – Bilek, Istvan – 1/2-1/2 – Ujtelky, Maximilian – G31 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e5 7. O-O Be7 8. d4 O-O 9. Rd1 Qc7 10. Bg5 Re8
1957 Dublin zt – Round 1 – Llado Lumbera, Jaime – 1-0 – Walther, Edgar – G4 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 e5 6. d4 Qc7 7. O-O Be7 8. dxe5 dxe5 9. c4 O-O 10. Nc3 h6
1958 Clare Benedict Cup 05th – Round 3 – Blau, Max – 1-0 – Donner, Jan-Hein – G17 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 e5 8. O-O g6 9. d4 Bg7 10. a4 Rb8
1958 Munich olm fin-A – Round 11 – Toran Albero, Roman – 1/2-1/2 – Bisguier, Arthur B – G115 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 a6 5. Ba4 Nf6 6. Qe2 e5 7. Bb3 b5 8. d3 Be7 9. O-O O-O 10. Re1 Bb7
1958 Munich olm prel – Round 8 – Llado Lumbera, Jaime – 0-1 – Evans, Larry M – G183 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e5 7. O-O Be7 8. d4 b5 9. Bc2 O-O 10. Rd1 Qc7
1959 UKR Ch – Round 18 – Poliak, Evsey – 1/2-1/2 – Zurakhov, Vladlen Y – G131 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 a6 5. Ba4 b5 6. Bc2 c4 7. d4 cxd3 8. Qxd3 Bb7 9. b4 Ngf6 10. Nbd2 g6
1960 Leningrad ch-URS – Round 11 – Simagin, Vladimir – 1/2-1/2 – Spassky, Boris Vasily – G103 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e6 7. O-O Be7 8. d4 cxd4 9. cxd4 b5 10. Bc2 Bb7
1960 Varna – Round 9 – Karastoichev, Emil – 1/2-1/2 – Krogius, Nikolai V – G16 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e5 7. d4 Qc7 8. dxe5 dxe5 9. c4 Be7 10. Nc3 O-O
1961 Warsaw – Round 1 – Grabczewski, Romuald – 0-1 – Bednarski, Bartlomiej – G37 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e6 7. O-O Be7 8. d4 cxd4 9. cxd4 O-O 10. Nc3 b5
1965 Hungary – Round 1 – Ozsvath, Andras – 0-1 – Bilek, Istvan – G75 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e5 7. O-O Be7 8. d4 O-O 9. dxe5 Nxe5 10. Nxe5 dxe5
1966 Budapest HUN – Round 9 – Ozsvath, Andras – 1-0 – Honfi, Karoly – G20 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e5 7. O-O Be7 8. d4 b5 9. Bc2 O-O 10. Rd1 Qc7
1968 Hoogovens – Round 12 – Rossolimo, Nicolas – 1/2-1/2 – Ciric, Dimitrije – G104 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e5 7. d4 Qc7 8. O-O g6 9. dxe5 dxe5 10. c4 Bg7
1970 Palma de Mallorca Interzonal – Round 13 – Addison, William G – 0-1 – Naranja, Renato – G164 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e5 7. O-O Be7 8. d4 O-O 9. Rd1 Qc7 10. Bg5 h6
20. European Teams 2015 – Round 9.5 – Iordachescu, Viorel – 1/2-1/2 – Korobov, Anton – G396 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 Bb7 8. O-O g6 9. d4 Bg7 10. Re1 O-O
3. Norway Chess 2015 – Round 3.3 – Carlsen, Magnus – 1/2-1/2 – Giri, Anish – G13 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 e6 8. d4 Bb7 9. O-O Be7 10. Re1 O-O
3. Sinquefield Cup 2015 – Round 7.4 – Caruana, Fabiano – 1/2-1/2 – Vachier-Lagrave, Maxime – G33 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e5 7. O-O Be7 8. d4 b5 9. Bc2 O-O 10. Rd1 Qc7
36. Olympiad 2004 – Round 7 – Delchev, Aleksander – 1/2-1/2 – Svidler, Peter – G241 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 e5 8. d4 Be7 9. O-O O-O 10. Rd1 Qc7
40. Olympiad Open 2012 – Round 3.5 – Adams, Michael – 1-0 – Dominguez Perez, Leinier – G210 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 Bb7 8. O-O g6 9. d4 cxd4 10. cxd4 Bg7
41. Olympiad Open 2014 – Round 6.15 – Svetushkin, Dmitry – 1/2-1/2 – Sasikiran, Krishnan – G408 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e6 7. O-O b5 8. Bc2 Bb7 9. d4 Be7 10. a4 cxd4
42. Olympiad 2016 – Round 10.15 – Maze, Sebastien – 1-0 – Zhao, Zong-Yuan – G694 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e5 7. O-O Be7 8. d4 b5 9. Bc2 O-O 10. Rd1 Qc7
42. Olympiad 2016 – Round 10.16 – Galego, Luis – 1/2-1/2 – Leitao, Rafael – G696 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. d3 g6 6. O-O Bg7 7. Nbd2 a6 8. Ba4 b5 9. Bb3 O-O 10. d4 cxd4
42. Olympiad 2016 – Round 11.17 – Bachmann, Axel – 1/2-1/2 – Bogner, Sebastian – G769 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 Bb7 8. O-O e5 9. a4 Be7 10. d3 O-O
42. Olympiad 2016 – Round 3.1 – Svetushkin, Dmitry – 0-1 – Nepomniachtchi, Ian – G167 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 Bb7 8. O-O g6 9. d4 Bg7 10. Re1 e5
42. Olympiad 2016 – Round 5.9 – Svetushkin, Dmitry – 1-0 – Bartel, Mateusz – G383 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e6 7. O-O Be7 8. d4 b5 9. Bc2 Bb7 10. Re1 O-O
42. Olympiad 2016 – Round 7.7 – Hansen, Eric – 0-1 – Volokitin, Andrei – G529 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 Bb7 8. O-O g6 9. d4 Bg7 10. Rd1 O-O
43. Olympiad 2018 – Round 11.11 – Safarli, Elmir – 1-0 – Ivic, Velimir – G700 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 e6 8. d4 Bb7 9. O-O Be7 10. Re1 Qc7
43. Olympiad 2018 – Round 2.21 – Mamedov, Rauf – 1-0 – Brunello, Sabino – G100 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e5 7. O-O Be7 8. d4 b5 9. Bc2 O-O 10. d5 Re8
74. Tata Steel GMA 2012 – Round 11 – Carlsen, Magnus – 1-0 – Topalov, Veselin – G75 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 Qc7 7. O-O e5 8. d4 b5 9. Bc2 cxd4 10. cxd4 Be7
Croatia GCT 2019 – Round 11.3 – Nepomniachtchi, Ian – 0-1 – Giri, Anish – G63 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Bd3 g6 6. Bc2 Bg7 7. d4 O-O 8. O-O b5 9. e5 Ne8 10. e6 fxe6
European Club Cup 2015 – Round 3.2 – Grischuk, Alexander – 0-1 – Najer, Evgeniy – G47 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 Bb7 8. d4 g6 9. a4 Bg7 10. e5 dxe5
FIDE Grand Swiss 2025 – Round 11 – Suyarov Mukhammadzokhid – 1/2-1/2 – Sarana Alexey – G633 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 a6 5. Ba4 Nf6 6. Qe2 b5 7. Bc2 Bb7 8. d4 e6 9. O-O Be7 10. Re1 Qc7
FIDE World Blitz Championship 2014 – Round 18.8 – Wang, Hao(ZJWZ) – 0-1 – Wojtaszek, Radoslaw – G176 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 Bb7 8. O-O e6 9. d4 Be7 10. a4 O-O
FIDE World Blitz Championship 2014 – Round 6.11 – Polgar, Judit – 1-0 – Wojtaszek, Radoslaw – G44 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 Bb7 8. O-O g6 9. d4 Bg7 10. Re1 cxd4
FIDE World Blitz Championship 2025 – Round 11 – Javokhir Sindarov – 1/2-1/2 – Aronian Levon – G209 1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. Ne2 Nc6 7. c3 Be7 8. h4 Qb6 9. a3 O-O 10. Nf4 cxd4
FIDE World Blitz Championship 2025 – Round 11 – Radjabov Teimour – 1/2-1/2 – So Wesley – G208 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 Bb7 8. O-O e6 9. d4 Be7 10. Re1 Qc7
FIDE World Rapid 2014 – Round 7.18 – Polgar, Judit – 1/2-1/2 – Wojtaszek, Radoslaw – G99 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 e6 8. O-O Bb7 9. a4 Be7 10. d4 O-O
FIDE World Rapid 2014 – Round 8.5 – Kryvoruchko, Yuriy – 0-1 – Carlsen, Magnus – G163 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e5 7. O-O Be7 8. d4 b5 9. Bc2 O-O 10. Rd1 Qc7
Lindores Abbey Tal Memorial 2021 – Round 1.6 – Jobava, Baadur – 1-0 – Sasikiran, Krishnan – G55 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Bd3 b6 6. O-O Bb7 7. Re1 e5 8. Bc2 Be7 9. d4 O-O 10. Nbd2 cxd4
Lindores Abbey Tal Memorial 2021 – Round 4.4 – Jobava, Baadur – 0-1 – Chigaev, Maksim – G200 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Bd3 g6 6. Bc2 Bg7 7. d4 O-O 8. O-O b5 9. Qe2 Bb7 10. Rd1 Qc7
Madrid 1996 – Round 4 – Morozevich, Alexander – 0-1 – Salov, Valery – G15 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 Qc7 7. O-O c4 8. Bc2 e5 9. b4 Nb6 10. a4 Be6
Renova FIDE GP Zug 2013 – Round 3.6 – Kamsky, Gata – 1/2-1/2 – Topalov, Veselin – G18 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 e5 8. O-O Be7 9. d4 cxd4 10. cxd4 O-O
Riga FIDE Grand Prix 2019 – Round 1.2 – Navara, David – 1/2-1/2 – Vachier-Lagrave, Maxime – G13 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Bd3 e6 6. Bc2 b5 7. d4 Bb7 8. Qe2 a6 9. O-O Be7 10. Bf4 O-O
Sharjah Grand Prix 2017 – Round 9.8 – Eljanov, Pavel – 1-0 – Salem, A.R. Saleh – G80 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Bd3 e6 6. Bc2 b5 7. d4 Bb7 8. Nbd2 Be7 9. O-O cxd4 10. cxd4 O-O
SportAccord Basque Men 2013 – Round 4.2 – Radjabov, Teimour – 0-1 – Grischuk, Alexander – G63 1. Nf3 c5 2. e4 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 Bb7 8. d4 e5 9. O-O Be7 10. a4 O-O
World Blitz 2015 – Round 21.4 – Kasimdzhanov, Rustam – 0-1 – Vachier-Lagrave, Maxime – G1314 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e6 7. O-O b5 8. Bc2 Bb7 9. a4 Be7 10. Re1 O-O
World Blitz 2015 – Round 9.18 – Guseinov, Gadir – 0-1 – Grischuk, Alexander – G536 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 Bb7 8. O-O e6 9. d4 Be7 10. Re1 O-O
World Blitz 2016 – Round 7.27 – Najer, Evgeniy – 0-1 – Lu, Shanglei – G278 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 e5 8. d4 Be7 9. O-O O-O 10. Rd1 Qc7
World Blitz 2017 – Round 7.19 – Anton Guijarro, David – 0-1 – Salem, A.R. Saleh – G349 1. Nf3 c5 2. e4 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 Bb7 8. O-O e6 9. d4 Be7 10. Nbd2 O-O
World Blitz 2018 – Round 16.5 – Aronian, Levon – 1-0 – Sjugirov, Sanan – G967 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Bd3 g6 6. Bc2 Bg7 7. d4 O-O 8. O-O Qc7 9. Re1 e5 10. a4 b6
World Blitz 2018 – Round 21.22 – Anton Guijarro, David – 0-1 – Mamedov, Rauf – G1222 1. Nf3 c5 2. e4 d6 3. Bb5+ Nd7 4. c3 a6 5. Bd3 g6 6. Bc2 Bg7 7. d4 Qc7 8. O-O Ngf6 9. a4 O-O 10. h3 b6
World Blitz 2018 – Round 9.52 – Anton Guijarro, David – 0-1 – Potkin, Vladimir – G553 1. Nf3 c5 2. e4 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Bd3 g6 6. O-O Bg7 7. Bc2 O-O 8. d4 e5 9. dxe5 Nxe5 10. Nxe5 dxe5
World Blitz 2021 – Round 14.65 – Bologan, Victor – 1-0 – Halkias, Stelios – G852 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Bd3 a6 6. Bc2 c4 7. b3 b5 8. Qe2 Qc7 9. O-O Bb7 10. bxc4 bxc4
World Blitz 2021 – Round 16.46 – Bologan, Victor – 0-1 – Harsha Bharathakoti – G955 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 a6 5. Ba4 Nf6 6. Bc2 e6 7. d4 Be7 8. O-O O-O 9. Re1 b5 10. Nbd2 Bb7
World Blitz 2021 – Round 8.41 – Jobava, Baadur – 0-1 – Santos Latasa, Jaime – G474 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Bd3 e6 6. Bc2 b5 7. O-O Bb7 8. Re1 c4 9. a4 a6 10. axb5 axb5
World Blitz 2022 – Round 9.28 – Tsydypov, Zhamsaran – 1-0 – Erigaisi Arjun – G466 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 Qc7 7. O-O c4 8. Bc2 e5 9. a4 Rb8 10. Na3 b5
World Rapid 2016 – Round 13.18 – Nakamura, Hikaru – 0-1 – Vachier-Lagrave, Maxime – G486 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. d3 g6 6. O-O Bg7 7. Re1 a6 8. Ba4 O-O 9. Bc2 e5 10. a4 b6
World Rapid 2016 – Round 3.23 – Lu, Shanglei – 0-1 – Vachier-Lagrave, Maxime – G106 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 e6 7. Bc2 b5 8. d4 Bb7 9. O-O Be7 10. Rd1 O-O
World Rapid 2019 – Round 1.2 – Castellanos Rodriguez, Renier – 1/2-1/2 – Vachier-Lagrave, Maxime – G13 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Bd3 g6 6. Bc2 b5 7. d4 cxd4 8. cxd4 Bb7 9. Nbd2 Bg7 10. O-O O-O
World Rapid 2019 – Round 1.20 – Geller, Jakov – 0-1 – Nepomniachtchi, Ian – G14 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 a6 5. Ba4 Nf6 6. Qe2 g6 7. O-O Bg7 8. d4 b5 9. Bc2 Bb7 10. a4 O-O
World Rapid 2019 – Round 14.55 – Hansen, Eric – 1/2-1/2 – Sethuraman, S.P. – G924 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 Bb7 8. O-O e6 9. d4 Be7 10. Nbd2 Qc7

B51b — Moscow 3…Nd7 4.c3 (1948)

1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.c3

Les coups candidats

4…Nf6 — 82.3% (2417 parties)

Ambassadeurs : Svetushkin, Dmitry (22x), Markidis, Konstantinos (20x), Vujosevic, Vladimir (13x), Miroshnichenko, Evgenij (12x), Bernal Varela, Nelson (11x), Merry, Alan B (10x), Vachier-Lagrave, Maxime (10x), Adewumi, Tanitoluwa (9x)

4…a6 — 16.3% (480 parties)

Ambassadeurs : Kirk, Ezra (3x), Hunold, Rolf (2x), Ivanov, Vladimir A. (2x), Dijkhuis, Oele (2x), Plenca, Jadranko (2x), Taskiran, Recep (2x), Kwon, Sehyun (2x), Arakhamia-Grant, Ketevan (2x)

4…g6 — 0.6% (17 parties)

Ambassadeurs : Blasovszky, Istvan (1x), Kahn, Evarth Dr. (1x), Andrew Davids (1x), Aabir Mukherjee (1x), Chuvilo, Konstantin (1x), Chudinovskikh, Alexander M (1x), Kotan, Ladislav (1x), Pinter, Erik (1x)

4…e6 — 0.3% (9 parties)

Ambassadeurs : Ostrovsky, Alexander (1x), Kotkov, Yuri M (1x), Jacke, Corinna (1x), Fliter, Irena (1x), Zambor, Norbert (1x), Jawor, Mateusz (1x), Chetail, Guillaume (1x), Nicolas, Tristan (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…Nf6	4…a6	4…g6	4…e6
<1800	123	61%	34%	2%	—
1800-2200	1002	74%	24%	1%	0%
2200-2600	1601	89%	10%	0%	0%
2600+	104	94%	6%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	4…Nf6	4…a6	4…g6	4…e6
1950s	16	62%	38%	—	—
1960s	9	67%	22%	—	11%
1970s	41	93%	7%	—	—
1980s	52	90%	10%	—	—
1990s	215	83%	15%	1%	0%
2000s	427	82%	16%	0%	1%
2010s	1255	83%	15%	1%	0%
2020s	921	81%	18%	1%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…Nf6	83%	81%	▼ -2.4%
4…a6	15%	18%	▲ +3.0%
4…g6	1%	1%	-0.0%
4…e6	0%	0%	-0.1%

Joueurs célèbres

Champions du monde dans cette position

Carlsen, Magnus — 4 parties
Kasparov, Garry — 1 partie
Ju, Wenjun — 1 partie
Gukesh D — 1 partie

Parties historiques

4…Nf6 — 82.3% (2417 parties)

1950 — Grushkova, Bellska Nina vs Chaude de Silans, Chantal — 0-1 — Moscow RUS
1950 — Trevenen, Henry Vickers W vs Abiolla James — 1/2-1/2 — Southsea
1954 — Koskinen, Heikki vs Anay Barche — 0-1 — Praag zt
1954 — Bak, Istvan vs Szilagyi, Gyorgy Laszlo — 1-0 — Budapest HUN
1955 — Bak, Istvan vs Ujtelky, Maximilián Samuel Rudolf — 1/2-1/2 — Prague CZE

4…a6 — 16.3% (480 parties)

1954 — Kracmar, Jindrich vs Brat, Vaclav Dr — 0-1 — Jablonec nad Nisou
1954 — Walther, Edgar vs Gereben, Erno — 1/2-1/2 — Amsterdam NED
1957 — Shishov, Mikhail vs Sardarov, Edward — 1/2-1/2 — Tbilisi GEO
1957 — Diaz Carias, Salvador vs Reissman, Paul — 1-0 — Caracas VEN
1958 — Toran Albero, Roman vs Bisguier, Arthur B — 1/2-1/2 — Munich GER

4…g6 — 0.6% (17 parties)

1993 — Blasovszky, Istvan vs Kahn, Evarth Dr. — 0-1 — Budapest HUN
1995 — Andrew Davids vs Aabir Mukherjee — 1/2-1/2 — corr ch-GB open
1995 — Chuvilo, Konstantin vs Chudinovskikh, Alexander M — 1/2-1/2 — RUS-chT Briansk
2004 — Kotan, Ladislav vs Pinter, Erik — 1-0 — Bratislava SVK
2009 — Volcik, Ludek vs Mrazek, Lumir — 0-1 — Czech Republic

4…e6 — 0.3% (9 parties)

1963 — Ostrovsky, Alexander vs Kotkov, Yuri M — 1-0 — Chelyabinsk RUS
1998 — Jacke, Corinna vs Fliter, Irena — 0-1 — Oberhof
2002 — Zambor, Norbert vs Jawor, Mateusz — 1-0 — Presov SVK
2005 — Bogomolow, Sergej vs Buerckner, Hartmut — 1/2-1/2 — GER
2006 — Chetail, Guillaume vs Nicolas, Tristan — 0-1 — Sarzeau

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