B51p — Sicilian: Moscow 3…Nc6 4.O-O Bd7 5.Re1 a6

1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Bd7 5.Re1 a6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Bf1 (Fou actif (mobilité 5) — 55 % des parties) ; Bxc6 (Clouer d7, Fou actif (mobilité 5) — 43 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...Bg4 (Fou actif (mobilité 7) — 29 % des parties) ; ...Nf6 (Développer g8 — 13 % des parties) ; ...g6 (Préparer le fianchetto — 8 % des parties) ; ...e5 (Occuper le centre — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d6→c5, b7→a6, e7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● b4 (2v0), ● d4 (2v1), ● e5 (2v1)
Cases faibles	—	—
Centre	● d5 (1v0), ● e4 (1v0)	● d4 (2v1), ● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb5	● Bb5 Actif (mob. 7)
Bd7		● Bd7 Actif (mob. 5)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	4 (● g8, ● 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	mobile
Ruptures	● d2-d4, ● e4-e5	● …d6-d5, ● …f7-f5

Partie
1965 Tallinn ch-URS – Round 1 – Vasiukov, Evgeni – 1-0 – Bukhman, Eduard – G96 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 a6 6. Bxc6 Bxc6 7. d4 cxd4 8. Qxd4 e6 9. Nc3 Ne7 10. Bg5 h6
42. Olympiad 2016 – Round 1.7 – Maze, Sebastien – 1-0 – Cu Hor, Winston Darwin – G64 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 a6 6. Bxc6 Bxc6 7. d4 cxd4 8. Nxd4 Nf6 9. Nxc6 bxc6 10. Qf3 e5
Cap d'Agde 1994 – Round 8.2 – Gelfand, Boris – 1-0 – Karpov, Anatoly – G36 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 a6 6. Bf1 g6 7. c3 Bg4 8. d3 Bxf3 9. Qxf3 Bg7 10. Be3 Rc8
CCT Final Playoff 2023 – Round 6.1 – Caruana, Fabiano – 1/2-1/2 – Nakamura, Hikaru – G52 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 a6 6. Bxc6 Bxc6 7. d4 cxd4 8. Nxd4 Nf6 9. c4 g6 10. Nc3 Bg7
FIDE Grand Swiss 2025 – Round 2 – Suleymanli Aydin – 1/2-1/2 – Gelfand Boris – G66 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 a6 6. Bxc6 Bxc6 7. d4 cxd4 8. Nxd4 Rc8 9. c4 g6 10. b3 Bg7
FIDE Grand Swiss 2025 – Round 7 – Robson Ray – 1/2-1/2 – Demchenko Anton – G374 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 a6 6. Bxc6 Bxc6 7. d4 cxd4 8. Nxd4 Rc8 9. c4 g6 10. b3 Bg7
London Classic Elite blitz 6th 2014 – Round 3.1 – Anand, Viswanathan – 1-0 – Nakamura, Hikaru – G7 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 a6 6. Bxc6 Bxc6 7. d4 cxd4 8. Nxd4 Rc8 9. c4 Nf6 10. Nc3 Bd7
Masters 2000 – Round 13 – Adams, Michael – 1-0 – Topalov, Veselin – G47 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 a6 6. Bxc6 Bxc6 7. d4 cxd4 8. Nxd4 Nf6 9. Nxc6 bxc6 10. Qf3 Qc7
Norway Chess 2025 – Round 6 – Nakamura Hikaru – 1/2-1/2 – Caruana Fabiano – G25 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 a6 6. Bf1 e5 7. c3 Be7 8. d4 cxd4 9. cxd4 Bg4 10. dxe5 dxe5
Saint Louis Rapid and Blitz 2025 – Round 2 – Gukesh D – 1-0 – Grigoriy Oparin – G10 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 a6 6. Bf1 Nf6 7. h3 e5 8. c3 Be7 9. d4 b5 10. d5 Na7
World Blitz 2021 – Round 10.17 – Giri, Anish – 1-0 – Timofeev, Artyom – G577 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 a6 6. Bxc6 Bxc6 7. d4 cxd4 8. Nxd4 Rc8 9. c4 Nf6 10. Nc3 e6
World Blitz 2022 – Round 6.56 – Maze, Sebastien – 0-1 – Adhiban, B. – G327 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Re1 a6 6. Bxc6 Bxc6 7. d4 cxd4 8. Nxd4 Rc8 9. b3 Nf6 10. Nxc6 Rxc6
Zurich CC Blitz 2014 – Round 4.1 – Caruana, Fabiano – 0-1 – Nakamura, Hikaru – G10 1. Nf3 d6 2. e4 c5 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 a6 6. Bf1 Bg4 7. h3 Bh5 8. c3 Rc8 9. g4 Bg6 10. d4 h5

B51p — Moscow 3…Nc6 4.O-O Bd7 5.Re1 a6 (1965)

1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Bd7 5.Re1 a6

Les coups candidats

6.Bf1 — 55.0% (987 parties)

Ambassadeurs : Tiviakov, Sergei (5x), Andrason, Karl Oddur (5x), Matsuura, Everaldo (5x), Doderer, Harald (5x), Malakhov, Vladimir (4x), Baklan, Vladimir (4x), Gajewski, Grzegorz (4x), Nyzhnyk, Illya (4x)

6.Bxc6 — 42.7% (766 parties)

Ambassadeurs : Doderer, Harald (12x), Grebionkin, Vladimir (9x), Andrason, Karl Oddur (8x), Kuru, Atilla (5x), Kupreichik, Viktor D (4x), Degraeve, Jean-Marc (4x), Babychuk, Vladimir (4x), David, Alberto (4x)

6.Bc4 — 2.1% (37 parties)

Ambassadeurs : Gurgenidze, Bukhuti (2x), Haussernot, Cecile (2x), Naiditsch, Arkadij (2x), Karolyi, Tibor (1x), Chalabashvili, Tamar (1x), Manthey, Kristof (1x), Fischer, Bastian (1x), Guerra, Alessandro (1x)

6.Bd3 — 0.1% (2 parties)

Ambassadeurs : Bhopal, Raj (1x), Meskanen, Vesa (1x), Kardoeus, David (1x), Papp, Sarah (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Bf1	6.Bxc6	6.Bc4	6.Bd3
<1800	35	54%	46%	—	—
1800-2200	496	60%	36%	3%	0%
2200-2600	1170	54%	45%	2%	0%
2600+	42	38%	62%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6.Bf1	6.Bxc6	6.Bc4	6.Bd3
1960s	1	—	100%	—	—
1970s	24	71%	29%	—	—
1980s	58	57%	41%	2%	—
1990s	207	60%	40%	—	—
2000s	425	53%	46%	0%	—
2010s	550	55%	42%	3%	0%
2020s	528	54%	42%	4%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Bf1	55%	54%	▼ -1.3%
6.Bxc6	42%	42%	+0.1%
6.Bc4	3%	4%	▲ +1.2%
6.Bd3	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 2 parties
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Ju, Wenjun — 1 partie
Gukesh D — 1 partie

Parties historiques

6.Bf1 — 55.0% (987 parties)

1973 — Williams Anjolaoluwa vs Miles, Anthony J — 1/2-1/2 — Eastborne ch-BCF
1973 — Gheorghiu, Florin vs Kavalek, Lubomir — 1-0 — Las Palmas ESP
1974 — Westerinen, Heikki M.J. vs Honfi, Karoly — 0-1 — Solingen GER
1974 — Van Dop, Arend vs Miles, Anthony J — 1/2-1/2 — Teesside ENG
1977 — Schussler, Harry vs Leow, Leslie M — 1/2-1/2 — Groningen NED

6.Bxc6 — 42.7% (766 parties)

1965 — Vasiukov, Evgeni vs Babushkin, Eduard — 1-0 — Tallinn ch-URS
1973 — De Castro, Edgar vs Quinteros, Miguel A. — 0-1 — Manila PHI
1975 — Debarnot, Roberto vs Cardoso, Radolfo Tan — 0-1 — Ruy Lopez mem
1976 — Hebert, Jean vs Goichberg, William — 1-0 — Montreal CAN
1978 — Lechtynsky, Jiri vs Timoscenko, Gennadij — 0-1 — Decin CZE

6.Bc4 — 2.1% (37 parties)

1986 — Gurgenidze, Bukhuti vs Karolyi, Tibor — 1-0 — Tbilisi Tbilisi GEO
2001 — Gurgenidze, Bukhuti vs Chalabashvili, Tamar — 1-0 — Tbilisi GEO
2005 — Manthey, Kristof vs Fischer, Bastian — 1/2-1/2 — www.remoteschach.de
2012 — Guerra, Alessandro vs Ceschia, Ivano — 1-0 — Venice ITA
2015 — Gauri, Shankar vs Kovalyov, Anatoly — 0-1 — Arlington, VA USA

6.Bd3 — 0.1% (2 parties)

2017 — Bhopal, Raj vs Meskanen, Vesa — 1-0 — Hersonissos GRE
2020 — Kardoeus, David vs Papp, Sarah — 1-0 — Bremen GER