B43l — Sicilian: Kan, 5.Nc3 Qc7 6.Be2 Nf6 7.O-O

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.Be2 Nf6 7.O-O * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), un fou actif en e2, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. Bg5 (Clouer Nf6).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte c5.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (2 contre 1), la case forte c5, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Le fou enfermé en c1.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, les fous c8 et f8 et les tours a8 et h8).

Plans. ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...Be7 (Développer Bf8) ; ...d5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→a6, d7→e6, f7→e6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● c5 (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)
Be2	● Be2 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	5 (● b8, ● c8, ● 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	● e4-e5, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1912 Vilnius – Round 1 – Alekhine, Alexander – 0-1 – Bernstein, Olivia – G6 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Be2 Nf6 7. O-O Be7 8. f4 Nc6 9. Kh1 d6 10. Bf3 Bd7
1916 Nordisk Turnering-B – Round 1 – Berndtsson, Karl – 1-0 – Owesson, B. – G1 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Be7 8. Be3 b5 9. Bf3 Qe5 10. Nde2 Bb7
1923 Hastings2324 – Round 6 – Blake, J Morgan – 1-0 – Colle, Edgar – G24 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 Qc7 7. O-O Bb4 8. Qd3 O-O 9. Bd2 Nc6 10. Nf3 Be7
1924 New York – Round 1 – Lasker, Emanuel – 1/2-1/2 – Tartakower, Savielly – G30 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Bf3 Nc6 9. Nxc6 dxc6 10. Be3 O-O
1956 URS Ch, semi final – Round 4 – Gufeld, Eduard – 1/2-1/2 – Tal, Mikhail – G54 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Qd3 Nc6 9. Nxc6 bxc6 10. f4 d5
1957 Dublin zt – Round 12 – Conrady, Alphonse – 0-1 – Benko, Pal – G96 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Be7 8. Nb3 b5 9. Bf3 Nc6 10. g3 O-O
1957 Hoogovens – Round 8 – O'Kelly, Albéric de Galway – 1/2-1/2 – Pilnik, Herman – G30 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. Be2 Qc7 5. O-O Nf6 6. d4 cxd4 7. Nxd4 Bb4 8. Bd3 d6 9. Bd2 Bc5 10. Nb3 O-O
1957 Moskou ch-URS – Round 11 – Tal, Mikhail – 1/2-1/2 – Furman, Slavomir – G114 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Bd2 Nc6 9. Nxc6 bxc6 10. Bd3 Be7
1957 Moskou ch-URS – Round 15 – Nezhmetdinov, Rashid – 1/2-1/2 – Furman, Slavomir – G153 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Bd2 Nc6 9. Nxc6 bxc6 10. Bd3 a5
1957 Reykjavik – Round 11 – Olafsson, Fridrik – 1/2-1/2 – Pilnik, Herman – G62 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Qd3 d6 9. Bd2 Bxc3 10. Bxc3 e5
1959 Providence – Round 1 – Barry Bertomeu, Enrique – 0-1 – Auerbach, Clarence – G7 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Be7 8. f4 Nc6 9. Kh1 d6 10. Nxc6 bxc6
1961 Kiel – Round 3 – Schneider, Werner – 1/2-1/2 – Hamann, Svend – G7 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Qd3 Nc6 9. Nxc6 bxc6 10. a3 Be7
1962 URS-ch30 sf – Round 8 – Macs, Valdemars – 0-1 – Khodos, German – G13 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Qd3 Nc6 9. Nxc6 bxc6 10. f4 d5
1964 Capablanca Memorial – Round 4 – O'Kelly, Albéric de Galway – 1-0 – Garcia Martinez, Silvino – G46 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Bd3 Nc6 9. Nxc6 bxc6 10. Bd2 e5
1964 HUN-YUG – Round 1.8 – Barczay, Laszlo – 1/2-1/2 – Damjanovic, Mato – G7 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Bd2 Bxc3 9. Bxc3 Nxe4 10. Bb4 d6
1964 Tel Aviv olm prel – Round 6 – De Loughry, Desmond – 0-1 – Flesch, Jean-benoit – G228 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 Qc7 7. O-O Bb4 8. Qd3 Nc6 9. Nxc6 bxc6 10. a3 Be7
1965 Buenos Aires ch-ARG – Round 13 – Pelikan, Anna – 1-0 – Palermo, Vicente – G86 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 Qc7 7. O-O b5 8. e5 b4 9. Bf3 Bb7 10. exf6 bxc3
1965 Copenhagen – Round 8 – Suetin, Alexey S – 1/2-1/2 – Hamann, Svend – G72 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Qd3 Nc6 9. Nxc6 bxc6 10. Bg5 d5
1965 Sarajevo – Round 5 – Mihaljcisin, Mihajlo – 1/2-1/2 – Suetin, Alexey S – G41 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Qd3 O-O 9. Bg5 Nc6 10. Nxc6 bxc6
1966 Titovo Uzice – Round 1 – Jovcic, Milan – 1/2-1/2 – Ree, Hans – G48 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Qd3 Nc6 9. Bd2 O-O 10. Nxc6 dxc6
1966 Titovo Uzice – Round 4 – Jovcic, Milan – 1/2-1/2 – Ree, Hans – G86 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Qd3 Nc6 9. Bd2 O-O 10. Nxc6 dxc6
1966 Venice tt – Round 4 – Nestler, Vincenzo – 1/2-1/2 – Szabados, Eugenio – G25 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O b5 8. e5 Qxe5 9. Bf3 Ra7 10. Re1 Qc7
1967 Sweden (ch) – Round 9 – Kinnmark, Ove – 0-1 – Brostrom, Goran – G47 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Qd3 Nc6 9. Nb3 O-O 10. f4 d5
1968 Lugano olm - Round 1 - Bednarski, Jacek - 1/2-1/2 - Unzicker, Wolfgang - G181 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Qd3 Nc6 9. Kh1 O-O 10. Bd2 Ne5
1968 URS Team Ch – Round 1 – Klovans, Janis – 1/2-1/2 – Suetin, Alexey S – G104 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Bg5 Nc6 9. Kh1 Qd6 10. Be3 O-O
1969 IBM I – Round 5 – Tatai, Stefano – 1/2-1/2 – Darga, Klaus – G22 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Qd3 Nc6 9. Bd2 Nxd4 10. Qxd4 Bc5
1975 URS Team Ch – Round 4 – Kayumov, Dmitry D – 1/2-1/2 – Suetin, Alexey S – G293 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Qd3 Nc6 9. Kh1 O-O 10. f4 d6
FIDE World Cup 2017 – Round 3.4 – Vachier-Lagrave, Maxime – 1/2-1/2 – Lenderman, Aleksandr – G358 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be2 Nf6 7. O-O Bb4 8. Bg5 Bxc3 9. Bxf6 gxf6 10. bxc3 Qxc3
World Blitz 2016 – Round 12.47 – Darini, Pouria – 0-1 – Maghsoodloo, Parham – G499 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Qc7 6. O-O Nf6 7. Nc3 Bc5 8. Be3 O-O 9. a4 d6 10. Qd2 Nbd7
Zurich Chess Challenge 2014 – Round 3.3 – Anand, Viswanathan – 0-1 – Caruana, Fabiano – G3 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 Qc7 7. O-O Bc5 8. Bg5 Nc6 9. Nxc6 bxc6 10. Kh1 d5

B43l — Kan

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.Be2 Nf6 7.O-O

Eval: [+0.27]

Les coups candidats

7…Nc6 — 31.5% (1440 parties) →

Ambassadeurs : Zpevak, Pavel (20x), Kveinys, Aloyzas (14x), Stripunsky, Alexander (9x), Hayrapetyan, Hovik (7x), Tania, Sachdev (6x), Ogleznev, Alexandr (6x), Zelcic, Robert (6x), Vasiukov, Evgeni (5x)

7…d6 — 20.5% (938 parties) →

Ambassadeurs : Van Wely, Loek (7x), Rublevsky, Sergei (5x), Janos, Jozef (5x), Perez Garcia, Rodney Oscar (5x), Podzielny, Karl-Heinz (5x), David, Alberto (5x), Bischoff, Klaus (4x), Schneider, Veronika (4x)

7…Be7 — 20.0% (917 parties)

Ambassadeurs : Nikolov, Momchil (15x), Paunovic, Dragan (9x), Goletiani, Rusudan (8x), Kievelitz, Bernd (7x), Bischoff, Klaus (6x), Panno, Oscar (5x), Zahn, Nicol (5x), Sarakauskiene, Zivile (5x)

7…Bb4 — 14.8% (675 parties)

Ambassadeurs : Landa, Konstantin (10x), Pilnik, Herman (5x), Suetin, Alexey S (5x), Paramos Dominguez, Roberto (5x), Hansen, Eric (4x), Ambartsumova, Karina (4x), Olafsson, Fridrik (3x), Furman, Slavomir (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…Nc6	7…d6	7…Be7	7…Bb4
<1800	132	20%	14%	22%	21%
1800-2200	1536	28%	19%	23%	13%
2200-2600	2143	34%	24%	18%	14%
2600+	55	29%	25%	15%	15%

Évolution par décennie (% des parties)

Décennie	N parties	7…Nc6	7…d6	7…Be7	7…Bb4
1880s	3	67%	—	33%	—
1900s	5	80%	—	20%	—
1910s	5	20%	—	60%	20%
1920s	10	20%	60%	—	20%
1930s	2	—	—	50%	—
1940s	1	100%	—	—	—
1950s	33	39%	—	15%	36%
1960s	74	43%	12%	7%	31%
1970s	117	41%	17%	9%	23%
1980s	166	36%	17%	23%	15%
1990s	656	33%	18%	24%	15%
2000s	1536	33%	20%	18%	14%
2010s	1790	29%	23%	21%	13%
2020s	177	24%	24%	23%	15%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…Nc6	29%	24%	▼ -5.3%
7…d6	23%	24%	▲ +1.2%
7…Be7	21%	23%	▲ +2.0%
7…Bb4	13%	15%	▲ +1.3%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 7 parties
Hou, Yifan — 7 parties
Tal, Mikhail — 6 parties
Alekhine, Alexander — 3 parties
Karpov, Anatoly — 2 parties
Ju, Wenjun — 2 parties
Lasker, Emanuel — 1 partie
Smyslov, Vladimir — 1 partie

Parties historiques

7…Nc6 — 31.5% (1440 parties)

1887 — White, Max vs Paulsen, Louis — 1-0 — Frankfurt GER
1888 — Von Bardeleben, Curt vs Paulsen, Wilfried — 1-0 — Leipzig GER
1905 — Leonhardt, Paul vs Rubinstein, Akiba — 1/2-1/2 — Ostende
1905 — Popiel, Ignacy vs Maroczy, Geza — 1-0 — ?
1905 — Vidmar, Milan Sr vs Sartori, Arthur — 1-0 — Barmen GER

7…d6 — 20.5% (938 parties)

1921 — Post, Erhard vs Saemisch, Friedrich — 1/2-1/2 — Hamburg GER
1924 — Post, Erhard vs Becker, Albert — 0-1 — Vienna Vienna AUT
1925 — Znosko-Borovsky, Eugene vs Opocensky, Karel — 1/2-1/2 — Paris FRA
1928 — Wallace, E.D vs Muir, Walter G — 0-1 — CCLA Leadership Class B 2829
1928 — Boyce, E.T vs Muir, Walter G — 0-1 — CCCA Champ. Final

7…Be7 — 20.0% (917 parties)

1881 — Zukertort, Johannes vs Paulsen, Wilfried — 0-1 — Berlin GER
1904 — Forgacs, Leo vs Von Gottschall, Hermann — 1/2-1/2 — Coburg
1912 — Alekhine, Alexander vs Bernstein, Olivia — 0-1 — Vilnius LTU
1916 — Berndtsson, Karl vs Owesson, B. — 1-0 — Copenhagen DEN
1916 — Nilsson, Oscar vs Owesson, B. — 1/2-1/2 — Copenhagen DEN

7…Bb4 — 14.8% (675 parties)

1913 — Breyer, Gyula vs Brody, Miklos — 1/2-1/2 — Budapest HUN
1923 — Blake, J Morgan vs Colle, Edgar — 1-0 — Hastings ENG
1924 — Lasker, Emanuel vs Tartakower, Savielly — 1/2-1/2 — New York, NY USA
1956 — Gufeld, Eduard vs Tal, Mikhail — 1/2-1/2 — Tbilisi GEO
1957 — O'Kelly, Albéric de Galway vs Pilnik, Herman — 1/2-1/2 — Beverwijk NED

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