B40l — Sicilian: Open, 2…e6, 4.Nxd4

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Nc3 (Développer b1 — 64 % des parties) ; c4 (Frapper le centre adverse — 21 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...Nf6 (Développer g8 — 40 % des parties) ; ...a6 (Préparer expansion aile dame — 35 % des parties) ; ...Nc6 (Développer b8 — 12 % des parties) ; ...Be7 (Développer f8 — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● f7→e6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (1v0)	● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	5 (● b1, ● 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	mobile
Ruptures	● e4-e5	● …d6-d5, ● …f7-f5

Partie
1930 Gyor – Round 1 – Szijjarto Szabo, B. – 1/2-1/2 – Gruenfeld, Ernst – G11 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 d6 5. c4 Nf6 6. Nc3 Be7 7. Be2 O-O 8. O-O Nbd7 9. Kh1 Nc5 10. f3 a6
1961 Mar del Plata – Round 1 – Behrensen, Jorge – 1/2-1/2 – Pelikán, Jiří – G21 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Be7 6. Bc4 Qc7 7. Bb3 Nc6 8. O-O a6 9. Nxc6 bxc6 10. Qg4 Bf6
1965 Tallinn ch-URS – Round 1 – Sakharov, Yuri G. – 1/2-1/2 – Liavdansky, Vladimir – G80 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 e6 5. Nd2 Nc6 6. N2f3 Bd7 7. Bd3 Nf6 8. O-O Be7 9. Nxc6 Bxc6 10. e5 Nd7
1965 URS-ch33 Tallinn EST – Round ? – Sakharov, Yuri N – 1/2-1/2 – Ljavdansky, Vladimir – G16 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 e6 5. Nd2 Nc6 6. N2f3 Bd7 7. Bd3 Nf6 8. O-O Be7 9. Nxc6 Bxc6 10. e5 Nd7
Manila Manila PHI 1975 – Round 8 – Torre, Eugenio – 1-0 – Polugaevsky, Lev – G8 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 d6 5. c4 Nf6 6. Nc3 Be7 7. Be2 a6 8. O-O O-O 9. Be3 b6 10. f4 Bb7
PCA/Intel-GP 1994 – Round 1 – Short, Nigel D – 0-1 – Polgar, Judit – G7 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 d6 5. c4 Nc6 6. Nc3 Nf6 7. Be2 Be7 8. O-O O-O 9. Be3 Bd7 10. Rc1 Qb8
World Blitz 2017 – Round 8.42 – Kokarev, Dmitry – 1-0 – Ibrahimov, Rasul – G425 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 d6 5. c4 a6 6. Nc3 b6 7. Be2 Bb7 8. O-O Nf6 9. f3 Be7 10. Be3 O-O
World Blitz 2022 – Round 14.44 – Chigaev, Maksim – 1-0 – Muradli, Mahammad – G758 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 e6 5. h4 a6 6. Nc3 Ne7 7. g4 Nec6 8. Nb3 b5 9. a3 Bb7 10. g5 Nd7
World Blitz 2022 – Round 20.44 – Najer, Evgeniy – 0-1 – Muradli, Mahammad – G1077 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 e6 5. c4 Nc6 6. Nc3 Nf6 7. Be2 Be7 8. Be3 Bd7 9. Ndb5 Qb8 10. g4 a6

B40l — Open (1930)

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 d6

Les coups candidats

5.Nc3 — 64.4% (1197 parties)

Ambassadeurs : Sardy, Peter Dr. (14x), Zapata, Alonso (13x), Ahmadzada, Ahmad (11x), Zarkovic, Mila (9x), Nestorovic, Lazar (8x), Kalesis, Nikolaos (8x), Stodolnik, Alicja (7x), Iglesias Valle, Julian (6x)

5.c4 — 21.2% (394 parties)

Ambassadeurs : Zapata, Alonso (6x), Paglilla, Carlos (6x), Mekhitarian, Krikor Sevag (6x), Sardy, Peter Dr. (6x), Pokojowczyk, Jerzy (4x), Vogt, Lothar (4x), Boensch, Uwe (4x), Modr, Bretislav (4x)

5.Bd3 — 3.1% (57 parties)

Ambassadeurs : Vogt, Lothar (2x), Brustman, Agnieszka (2x), Grund, Wolfgang (2x), Farwick, Christian (2x), Wall, Alejandro (1x), Abhinav Ganti (1x), Autowicz, Boguslawa (1x), Gromek, Aleksandra (1x)

5.Be2 — 2.6% (49 parties)

Ambassadeurs : Gomez Baillo, Jorge H. (1x), Paglilla, Carlos (1x), Navas Palomino, Francisco Javier (1x), Del Cura Gutierrez, Alfredo (1x), Reinert, Mads (1x), Jakobsen, Ole (1x), Gonzalez Acosta, Bernal (1x), Hase, Juan Carlos (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Nc3	5.c4	5.Bd3	5.Be2
<1800	219	67%	16%	5%	2%
1800-2200	655	68%	19%	3%	3%
2200-2600	587	59%	29%	4%	2%
2600+	6	50%	50%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5.Nc3	5.c4	5.Bd3	5.Be2
1950s	3	33%	67%	—	—
1960s	17	82%	—	—	—
1970s	65	60%	25%	3%	3%
1980s	166	57%	31%	4%	3%
1990s	344	64%	19%	3%	3%
2000s	611	63%	21%	3%	3%
2010s	541	71%	17%	2%	2%
2020s	111	55%	35%	5%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Nc3	71%	55%	▼ -16.0%
5.c4	17%	35%	▲ +18.1%
5.Bd3	2%	5%	▲ +2.1%
5.Be2	2%	0%	▼ -2.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie

Parties historiques

5.Nc3 — 64.4% (1197 parties)

1959 — Makarov, Andrei vs Pogrebissky, Iosif — 0-1 — ?
1961 — Behrensen, Jorge vs Pelikán, Jiří — 1/2-1/2 — Mar del Plata ARG
1962 — Cook, Percy B vs Stuart, E Leslie — 0-1 — Whitby ch-BCF
1963 — Bimpson, Thomas vs Drimer, Dolfi — 0-1 — Whitby
1966 — Ghizdavu, Dumitru vs Mestrovic, Zvonimir — 0-1 — WchTJ U26 fin-A

5.c4 — 21.2% (394 parties)

1950 — Greis, Heinz vs Petri, Heinrich — 1-0 — Weidenau
1954 — Koch, Berthold vs Quecke, Kurt — 1-0 — Meerane
1971 — Richardson, Keith Bevan vs Griffiths, Peter C — 1-0 — Hastings ENG
1973 — Kostro, Jerzy vs Espig, Lutz — 1/2-1/2 — Polanica Zdroj POL
1973 — Quinteros, Miguel A. vs Miguel, Nahuel — 1/2-1/2 — Manila PHI

5.Bd3 — 3.1% (57 parties)

1978 — Wall, Alejandro vs Abhinav Ganti — 1-0 — ?
1979 — Autowicz, Boguslawa vs Gromek, Aleksandra — 0-1 — Warsaw Cup B
1982 — Paehtz, Thomas vs Vogt, Lothar — 0-1 — Salzwedel GER
1984 — Goldberg, Alexander, Dr. vs Vogt, Lothar — 1/2-1/2 — Eilenburg GER
1984 — Lecroq, Michel vs Godes, Devid R — 0-1 — O'Kelly Memorial B

5.Be2 — 2.6% (49 parties)

1978 — Gonzalez Acosta, Bernal vs Hase, Juan Carlos — 0-1 — Tramandai zt
1978 — Laakmann, Anni vs Soppe, Edith — 0-1 — Buenos Aires ARG
1983 — Abramovic, Bosko vs Martinovic, Slobodan — 0-1 — Medulin
1984 — Emodi, Gyula vs Tischbierek, Raj — 0-1 — Kecskemet HUN
1985 — Reinert, Mads vs Jakobsen, Ole — 1-0 — Naestved DEN