B51k — Sicilian: Moscow 3…Nc6

1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : Bb5 actif, paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, 4 pièces non développées (B1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nbd2 — Développer Nb1
● d3 — Libérer Bc1
● h3 — Empêcher ...Bg4
● c3 — Préparer d4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte b4, case forte d4, case forte e5, avant-poste e5(C), paire de fous.
Faiblesses adverses : Bc1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (G8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nf6 — Développer Ng8
● ...Bg4 — Développer Bc8, clouer Nf3
● ...Bb4 — Développer Bf8
● ...c4 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B51k —

1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6

Eval: [+0.37]

Les coups candidats

4.O-O — 67.1% (13037 parties) →

Ambassadeurs : Tiviakov, Sergei (77x), Da Silva Filho, Alcindo Luz Bastos (54x), Grivas, Efstratios (34x), Kharlov, Andrei (33x), Movsesian, Sergei (31x), Atakisi, Umut (29x), Portych, Václav (29x), ? (29x)

4.Bxc6+ — 14.6% (2828 parties) →

Ambassadeurs : Velicka, Petr (28x), Mokshanov, Alexey (25x), Rublevsky, Sergei (24x), Komliakov, Viktor (18x), Tiviakov, Sergei (15x), Nevednichy, Vladislav (13x), Oral, Tomas (13x), Babula, Vlastimil (13x)

4.d4 — 11.6% (2243 parties)

Ambassadeurs : Yandemirov, Valeri (13x), Hasangatin, Ramil (10x), Grivas, Efstratios (8x), Veingold, Aleksandr (7x), Munoz, Miguel (7x), Zahorbensky, Jaroslav (6x), Tiviakov, Sergei (6x), Dukaczewski, Piotr (6x)

4.c3 — 4.3% (841 parties)

Ambassadeurs : Kasparov, Garry (6x), Biro, Sandor (5x), Hasangatin, Ramil (5x), Kotrotsos, Vasilios (5x), Tkachiev, Vladislav (4x), Sperdokli, Elli (4x), Yandemirov, Valeri (4x), Gavrilakis, Nikolaos (4x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4.O-O	4.Bxc6+	4.d4	4.c3
<1800	519	51%	22%	16%	4%
1800-2200	5715	62%	17%	13%	5%
2200-2600	9895	72%	13%	10%	4%
2600+	616	80%	12%	6%	3%

Évolution par décennie (% des parties)

Décennie	N parties	4.O-O	4.Bxc6+	4.d4	4.c3
1930s	1	—	—	100%	—
1940s	19	63%	5%	5%	21%
1950s	111	69%	1%	12%	15%
1960s	92	63%	5%	18%	10%
1970s	349	79%	3%	13%	3%
1980s	574	77%	5%	14%	4%
1990s	2836	66%	12%	14%	5%
2000s	6041	63%	16%	12%	6%
2010s	7470	66%	17%	11%	3%
2020s	1923	80%	9%	7%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.O-O	66%	80%	▲ +13.7%
4.Bxc6+	17%	9%	▼ -8.5%
4.d4	11%	7%	▼ -4.5%
4.c3	3%	3%	-0.4%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 10 parties
Kasparov, Garry — 10 parties
Ju, Wenjun — 10 parties
Tal, Mikhail — 8 parties
Gukesh D — 8 parties
Smyslov, Vladimir — 7 parties
Hou, Yifan — 7 parties
Carlsen, Magnus — 4 parties
Karpov, Anatoly — 3 parties
Kramnik, Vladimir — 3 parties
Botvinnik, Mikhail — 2 parties

Parties historiques

4.O-O — 67.1% (13037 parties)

1947 — Wildschuetz Theo vs Rellstab, Ludwig — 1-0 — Essen GER
1947 — Sokolsky, Alexey vs Botvinnik, Mikhail — 0-1 — Moscow RUS
1947 — Gereben, Erno vs Mueller, Hans — 1/2-1/2 — Vienna AUT
1948 — Kholmov, Ratmir D vs Ragozin, Viacheslav — 1-0 — Moskou ch-URS
1948 — O'Kelly, Albéric de Galway vs Najdorf, Miguel — 1-0 — Mar del Plata ARG

4.Bxc6+ — 14.6% (2828 parties)

1949 — Rossetto, Hector vs Sanguinetti, Renato — 1/2-1/2 — Remedios de Escalada
1955 — Muehl, Malte Luis vs Farcas Knapp, Alberto — 0-1 — Prague CZE
1962 — Cleghorn, Peter vs Blackstone, John — 1/2-1/2 — Oakland, CA
1965 — Poliak, Evsey vs Nakonechny, Sergey — 0-1 — ?
1966 — Menvielle Laccourreye, Augusto vs Trifunovic, Petar — 1/2-1/2 — Palma de Majorca ESP

4.d4 — 11.6% (2243 parties)

1939 — Ilyin Zhenevsky, Alexander vs Ragozin, Viacheslav — 1-0 — Leningrad RUS
1947 — Canal, Esteban vs Palavan, Selim — 1-0 — Venice ITA
1952 — Bannik, Anatolij vs Ragozin, Viacheslav — 1/2-1/2 — Riga LAT
1953 — Khavin, Abram Leonidovich vs Roizman, Abram Y — 1-0 — chT
1953 — Farre Mallofre, Miguel vs Scafarelli, Francesco — 0-1 — Copenhagen DEN

4.c3 — 4.3% (841 parties)

1940 — Smyslov, Vladimir vs Veresov, Gavriil — 1-0 — Moskou ch-URS
1943 — Dobias, Josef vs Opocensky, Karel — 1/2-1/2 — Prague CZE
1944 — Averbakh, Yuri L vs Kotov, Alexander — 0-1 — URS-ch sf Moscow RUS
1947 — Liublinsky, Victor vs Simagin, Vladimir — 1/2-1/2 — Moscow RUS
1951 — Milic, Borislav vs Puc, Stojan — 1/2-1/2 — It Dortmund GER

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

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb5	● Bb5 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	—	● knight c6
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	semi-ouvert
Ruptures	● c2-c3, ● d2-d3, ● e4-e5	● …c5-c4, ● …d6-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
1940 Moskou ch-URS – Round 1 – Smyslov, Vladimir – 1-0 – Veresov, Gavriil – G67 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. c3 Nf6 5. Qe2 g6 6. d4 cxd4 7. cxd4 a6 8. Ba4 Qa5+ 9. Nc3 b5 10. Bb3 Bg4
1943 UJCS-17.Kongress – Round 2 – Dobias, Josef – 1/2-1/2 – Opocensky, Karel – G10 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. c3 Nf6 5. d4 cxd4 6. Nxd4 Bd7 7. f3 d5 8. Bxc6 bxc6 9. e5 Ng8 10. e6 fxe6
1944 URS Ch sf Moscow RUS – Round 9 – Averbakh, Yuri L – 0-1 – Kotov, Alexander A – G10 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. c3 Nf6 5. Qe2 Qb6 6. Na3 a6 7. Ba4 Qc7 8. h3 b5 9. Bd1 Bb7 10. d3 e6
1947 URS Ch sf – Round 3 – Liublinsky, Victor – 1/2-1/2 – Simagin, Vladimir – G12 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. c3 a6 5. Bxc6+ bxc6 6. O-O e6 7. Qe2 a5 8. d3 Be7 9. e5 d5 10. c4 h5
1949 Berlin GER – Round 15 – Richter, Kurt P – 1-0 – Grohmann, Gottfried – G13 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. b4 cxb4 5. d4 Bd7 6. O-O e6 7. d5 Ne5 8. Bxd7+ Nxd7 9. dxe6 fxe6 10. a3 bxa3
1951 Hungary Ch – Round 1 – Koberl, Ferenc – 1-0 – Gecsei, Istvan – G62 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. c3 e6 5. O-O a6 6. Bxc6+ bxc6 7. d4 d5 8. Nbd2 Nf6 9. Re1 cxd4 10. cxd4 Be7
1951 It Dortmund GER – Round 11 – Milic, Borislav – 1/2-1/2 – Puc, Stojan – G27 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. c3 a6 5. Ba4 b5 6. Bc2 e5 7. O-O Nge7 8. a4 Rb8 9. axb5 axb5 10. h3 Qc7
1952 Liverpool – Round 3 – Dinsen, Carl Krarup – 0-1 – Taimanov, Mark E – G4 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. Nc3 a6 5. Bxc6+ bxc6 6. d3 e5 7. O-O Ne7 8. Ne1 Ng6 9. Ne2 Rb8 10. Qd2 Be7
1954 CSR Ch – Round 8 – Zíta, František – 1/2-1/2 – Pachman, Ludek – G65 1. Nf3 d6 2. e4 c5 3. Bb5+ Nc6 4. c3 a6 5. Ba4 e5 6. d4 b5 7. Bc2 Qc7 8. dxe5 dxe5 9. O-O Nf6 10. Bg5 Be7
1956 Danmarksmesterskabet – Round 8 – Ravn, Palle – 0-1 – Andersen, Borge – G19 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. c3 Qb6 5. a4 a6 6. Bxc6+ Qxc6 7. Qe2 Nf6 8. d3 e6 9. O-O Be7 10. Bg5 O-O
1956 Dresden – Round 7 – Bilek, Istvan – 1/2-1/2 – Averbakh, Yuri L – G47 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. c3 a6 5. Ba4 Nf6 6. Qe2 b5 7. Bc2 e5 8. a4 Bd7 9. axb5 axb5 10. Rxa8 Qxa8
1956 URS Ch sf – Round ? – Nezhmetdinov, Rashid – 1/2-1/2 – Aronson, Lev – G68 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. c3 Qb6 5. Na3 a6 6. Ba4 Nf6 7. e5 dxe5 8. Nxe5 Bd7 9. Nxd7 Nxd7 10. O-O e6
1957 Bratislava Bratislava SVK – Round 10 – Fuchs, Reinhart – 1-0 – Herink, Miroslav – G43 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. c3 Bd7 5. d4 Nf6 6. Qe2 a6 7. Bc4 e6 8. d5 Na5 9. Bd3 b5 10. dxe6 Bxe6
1957 Poland – Round 8 – Prochownik, Franciszek – 1-0 – Doda, Zbigniew – G13 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. d4 cxd4 5. Qxd4 a6 6. Bxc6+ bxc6 7. O-O e5 8. Qd3 Be7 9. c4 Qc7 10. Rd1 Nf6
1957 URS Ch, semi final – Round 1 – Baile Gonzalez, Abril – 0-1 – Aronin, Lev – G47 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. c3 Nf6 5. Qe2 e6 6. O-O Be7 7. d4 O-O 8. dxc5 dxc5 9. Bxc6 bxc6 10. c4 Qc7
1958 BUL Ch – Round ? – Daskalov, Georgi – 0-1 – Kolarov, Atanas S. – G37 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. c3 Nf6 5. Qe2 e5 6. Bxc6+ bxc6 7. O-O a5 8. d3 Be7 9. Na3 Nd7 10. Rd1 O-O
1958 GBR Ch 45th – Round 2.14 – Fazekas, Stephan – 1-0 – Dickson, George – G10 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. c3 Nf6 5. Qe2 Bd7 6. d4 cxd4 7. cxd4 Rc8 8. Nc3 a6 9. Bd3 Nb4 10. Bb1 Bb5
1958 HUN Ch Budapest HUN – Round 3 – Filep, Tibor – 1/2-1/2 – Barcza, Gedeon – G15 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. c3 a6 5. Ba4 Bg4 6. h3 Bxf3 7. Qxf3 Rc8 8. d3 e6 9. O-O Nf6 10. Qg3 c4
1960 Sarajevo – Round 10 – Kozomara, Vlado – 1/2-1/2 – Pachman, Ludek – G54 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. c3 a6 5. Ba4 b5 6. Bc2 e5 7. d4 Qc7 8. a4 b4 9. d5 Na5 10. b3 bxc3
1961 Moscow Ch – Round ? – Zakharov, Alexander V – 1-0 – Titenko, Vladimir F – G66 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. c3 Nf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 e5 8. d3 Be7 9. Nbd2 O-O 10. O-O Qc7
1963 POL Ch 20th – Round 3 – Manasterski, Lutoslaw – 1/2-1/2 – Drozd, Ryszard – G20 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. c3 Qb6 5. Na3 Bd7 6. Qe2 a6 7. Ba4 g6 8. O-O Bg7 9. d3 Nf6 10. Nc4 Qc7
1967 YUG-URS U20 – Round 12 – Giorgadze, Tamaz – 1/2-1/2 – Seslija, Dragan – G10 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. c4 Nf6 5. d3 a6 6. Ba4 g6 7. O-O Bg7 8. e5 Ng4 9. exd6 Qxd6 10. Nc3 Nf6
1975 URS Team Ch – Round 1 – Pavlenko, Oleg – 1/2-1/2 – Smyslov, Vassily – G247 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. d4 cxd4 5. Qxd4 Bg4 6. Qa4 Qc8 7. Nd4 Bd7 8. Nxc6 bxc6 9. Ba6 Qb8 10. c4 g6
30. ECC Open 2014 – Round 2.3 – Jensson, Einar Hjalti – 1-0 – Shirov, Alexei – G33 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. Nc3 e5 5. d3 Nf6 6. h3 Be7 7. O-O O-O 8. Bc4 Be6 9. Bg5 Nd7 10. Bxe7 Qxe7
FIDE-Wch k.o. 1997 – Round 2.5 – Kaidanov, Gregory – 0-1 – Zvjaginsev, Vadim – G104 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. d4 cxd4 5. Qxd4 Bg4 6. Qd3 Rc8 7. c4 g6 8. Nc3 Bg7 9. O-O Bxf3 10. Qxf3 Nf6
Reykjavik ISL, 22th Open 2006 – Round 8 – Svidler, Peter – 1/2-1/2 – Svidler, Peter – G16 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. c3 Nf6 5. Qe2 Bd7 6. d4 cxd4 7. cxd4 d5 8. e5 Ne4 9. O-O e6 10. Be3 Be7
SportAccord Basque Men 2013 – Round 4.2 – Nepomniachtchi, Ian – 1/2-1/2 – Wang, Yue(SH) – G60 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. c3 Nf6 5. Qe2 e5 6. d4 cxd4 7. cxd4 Bd7 8. d5 Nb8 9. Nc3 Be7 10. O-O O-O
TCh-RUS 2008 – Round 8 – Lastin, Alexander – 1/2-1/2 – Khalifman, Alexander – G221 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. c3 Nf6 5. Qe2 Bg4 6. h3 Bxf3 7. Qxf3 Qb6 8. Na3 g6 9. O-O Bg7 10. Rd1 O-O
World Blitz 2015 – Round 4.40 – Nepomniachtchi, Ian – 0-1 – Moiseenko, Alexander – G243 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. d4 cxd4 5. Qxd4 a6 6. Bxc6+ bxc6 7. O-O e5 8. Qd3 Be7 9. c4 Qc7 10. b3 Nf6
World Blitz 2017 – Round 6.11 – Kasimdzhanov, Rustam – 0-1 – Demchenko, Aleksandr – G287 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. c3 Qb6 5. Ba4 Bg4 6. O-O Nf6 7. Re1 e6 8. h3 Bh5 9. d4 cxd4 10. cxd4 d5
World Blitz 2018 – Round 6.27 – Smirin, Ilia – 1/2-1/2 – Guseinov, Gadir – G350 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. c3 Bd7 5. d4 Nf6 6. d5 Ne5 7. Bxd7+ Nexd7 8. Qe2 g6 9. c4 Bg7 10. Nc3 O-O

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