B43i — Sicilian: Kan, 5.Nc3 Qc7 6.g3 Nf6

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Nf6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Bg2 (Fianchetto, fou sur la grande diagonale — 99 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...Be7 (Fou actif (mobilité 6), Développer f8 — 37 % des parties) ; ...Nc6 (Développer b8 — 31 % des parties) ; ...d6 (Libérer Bc8 — 17 % des parties) ; ...Bb4 (Clouer c3, Fou actif (mobilité 7), Développer f8 — 11 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b7→a6, d7→e6, f7→e6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v1)	● 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)
Bf1	● Bf1 Non développé (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● c1, ● f1, ● a1, ● h1)	5 (● b8, ● 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	—	● …d7-d5

Partie
1905 Barmen-D – Round ? – Tartakower, Savielly – 1-0 – Decreton Keller, Henrique – G8 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 Nf6 7. a3 Nc6 8. Nxc6 bxc6 9. Bf4 Qb6 10. b4 d5
1921 Budapest – Round 1 – Steiner, Endre – 1/2-1/2 – Saemisch, Friedrich – G42 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 d6 8. O-O Be7 9. Be3 O-O 10. Qd2 Bd7
1922 Bad Pistyan Breyer Memorial-A – Round 6 – Hromadka, Karel – 0-1 – Saemisch, Friedrich – G17 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 d6 8. O-O Bd7 9. Re1 Be7 10. Qe2 Nc6
1923 NED Team Ch 2223 – Round 1.3 – Van 't Veer, P. – 0-1 – Schelfhout, Willem – G2 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 d6 8. O-O Be7 9. Be3 O-O 10. Nb3 Bd7
1938 Argentina – Round 11 – Benko, Francisco – 0-1 – Acosta Ojeda, Juan David – G52 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 Nf6 7. Bg2 d6 8. O-O Nbd7 9. Qd2 Rb8 10. b3 b5
1958 WchT U26 prel-B 05th – Round 1 – Briem, Stefan – 0-1 – Tringov, Georgi P – G5 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Be3 Nc6 10. Nb3 b5
1962 Leningrad – Round 1 – Faibisovich, Vadim Z – 1-0 – Gojhman, Alexander – G23 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 Nf6 7. Bg2 Bc5 8. O-O d6 9. b3 Nbd7 10. Bb2 O-O
1963 Dravograd – Round 12 – Nicevski, Risto – 1-0 – Antunac, Goran – G19 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Be3 Nc6 10. Qe2 Rd8
1963 Hoogovens – Round 9 – Pilnik, Herman – 1/2-1/2 – Armoon Tan, Hooman – G76 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Nde2 Rd8 10. h3 Nc6
1963 Split ol women – Round 7 – Gaprindashvili, Nona – 1-0 – Hulgana, Zhanzhinhu – G18 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. f4 d6 10. Kh1 Nc6
1964 Belgrade – Round 15 – Ciric, Dragoljub M – 1/2-1/2 – Janosevic, Dragoljub – G108 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. f4 d5 10. exd5 Rd8
1964 Pecs – Round 12 – Pogats, Jozsef Jr. – 0-1 – Damjanovic, Mato – G71 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. f4 d6 10. g4 Nc6
1965 Buenos Aires Ch – Round 10 – Juarez, Carlos Eleodoro – 1-0 – Palermo, Vicente – G31 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 b5 8. O-O Bb7 9. a3 Nc6 10. Nb3 d6
1965 Buenos Aires Ch – Round 4 – Farah, Rodolfo – 1/2-1/2 – Emma, Jaime – G13 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 d6 8. O-O Be7 9. a4 O-O 10. Qe2 Bd7
1965 Chigorin Memorial – Round 12 – Ciric, Dragoljub M – 1/2-1/2 – Lein, Anatoly – G54 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. f4 Nc6 10. Nxc6 bxc6
1965 Chigorin Memorial – Round 14 – Unzicker, Wolfgang – 1-0 – Lein, Anatoly – G71 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. f4 Nc6 10. Nxc6 bxc6
1965 Corr EU M – Round ? – Schrancz, Istvan – 1/2-1/2 – Czar, J – G3 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Be3 Nc6 10. Qe2 Rb8
1965 Mar del Plata – Round 13 – Pilnik, Herman – 0-1 – Palermo, Vicente – G101 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 Nf6 7. Bg2 b5 8. a3 Bb7 9. O-O Nc6 10. Nde2 Be7
1965 Mar del Plata – Round 7 – Foguelman, Alberto – 0-1 – Palermo, Vicente – G59 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 Nf6 7. Bg2 b5 8. O-O Bb7 9. a3 Nc6 10. Nb3 Be7
1965 Mar del Plata – Round 9 – Foguelman, Alberto – 1-0 – Aguayo Cruz, Ramon Uriel – G68 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 d6 8. O-O Be7 9. g4 h6 10. h3 Nc6
1965 URS-JUG – Round 4 – Damjanovic, Mato – 1/2-1/2 – Vladimirov, Boris T – G15 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Nce2 d5 10. exd5 Nxd5
1966 La Habana olm prel – Round 4 – Balinas, Rosendo C – 0-1 – Korchnoi, Viktor – G150 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Bf4 d6 10. Nde2 Nc6
1966 Rio Hondo zt – Round 1 – Quinones Carrillo, Oscar – 1/2-1/2 – Bolbochan, J. – G7 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O d6 9. h3 Nc6 10. b3 O-O
1966 WchTJ U26 fin-A – Round 7 – Kagan, Shimon – 0-1 – Kurajica, Bojan – G41 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. h3 d6 10. Kh2 Rd8
1967 Harrachov – Round 1 – Zuckerman, Bernard – 1-0 – Hennings, Artur – G63 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. f4 d6 10. g4 Nc6
1968 Lugano olm - Round 1 - Czerniak, Magdalena - 1/2-1/2 - Giustolisi, Alberto - G183 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Qe2 d6 10. Be3 Nc6
1968 POL Ch 25th – Round 4 – Witkowski, Stefan – 1/2-1/2 – Jamroz, Zbigniew – G25 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O d6 9. f4 Nc6 10. Nxc6 bxc6
1969 Budapest ch-HUN – Round 1 – Adorjan, Andras – 1-0 – Polgar, Istvan – G63 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Be3 d6 10. g4 g6
1969 Liberation – Round 6 – Janosevic, Dragoljub – 1-0 – Kurajica, Bojan – G29 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. g4 Ne8 10. f4 Nc6
1969 Palma de Mallorca – Round 2 – Damjanovic, Marko – 1/2-1/2 – Panno, Oscar – G23 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Re1 d6 10. f4 Rd8
1969 Palma de Mallorca – Round 6 – Unzicker, Wolfgang – 0-1 – Panno, Oscar – G57 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. f4 d6 10. g4 Nc6
GCT Blitz YourNextMove 2018 – Round 9.2 – Aronian, Levon – 1-0 – Caruana, Fabiano – G42 1. e4 c5 2. Nc3 e6 3. Nf3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 Nf6 7. Bg2 Bb4 8. O-O Bxc3 9. bxc3 d6 10. Ba3 O-O
Riga Interzonal 1979 – Round 14 – Van Riemsdijk, Herman C. – 1/2-1/2 – Polugaevsky, Lev – G37 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 d6 8. O-O Be7 9. Qd2 O-O 10. b3 Bd7
World Blitz 2022 – Round 2.51 – Nissinen, Niilo Man – 0-1 – Hansen, Eric – G100 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 d6 8. O-O Be7 9. a4 O-O 10. Be3 Nbd7

B43i — Kan (1905)

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Nf6

Les coups candidats

7.Bg2 — 99.4% (1993 parties)

Ambassadeurs : Van Riemsdijk, Herman C. (15x), Szmetan, Jorge (14x), Velikov, Petar (12x), Chuchelov, Vladimir (9x), Volosin, Leon (9x), Heinig, Wolfram, Dr. (8x), Martorelli, Antonio (8x), Unzicker, Ferdinand, Dr. (6x)

7.a3 — 0.1% (3 parties)

Ambassadeurs : Pavlidis, Pavlos (1x), Asadli, Vugar (1x), Poormosavi, Seyed Kian (1x), Jasmeher Singh Kathuria (1x), Freire, Daniel J (1x), Tomilin, Artjom Valerievich (1x)

7.Be3 — 0.1% (2 parties)

Ambassadeurs : Estevez Rodriguez, Luis Alberto (1x), Valcarcel, JA. (1x), Mousain, Valentin (1x), Coulon, Guillaume (1x)

7.Nf3 — 0.1% (2 parties)

Ambassadeurs : Acyr dos Anjos C. Silva (1x), Constantino, Fernando (1x), Rodriguez Gonzalez, Gerard (1x), Hernando Rodrigo, Lourdes (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.Bg2	7.a3	7.Be3	7.Nf3
<1800	97	96%	1%	—	1%
1800-2200	702	99%	0%	—	—
2200-2600	911	100%	—	—	—
2600+	9	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7.Bg2	7.a3	7.Be3	7.Nf3
1950s	30	100%	—	—	—
1960s	100	100%	—	—	—
1970s	162	100%	—	—	—
1980s	149	99%	—	1%	—
1990s	416	100%	—	—	0%
2000s	511	99%	—	0%	—
2010s	525	99%	0%	—	0%
2020s	113	98%	1%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Bg2	99%	98%	▼ -0.6%
7.a3	0%	1%	▲ +0.5%
7.Be3	0%	0%	+0.0%
7.Nf3	0%	0%	-0.2%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie

Parties historiques

7.Bg2 — 99.4% (1993 parties)

1953 — Poliak, Evsey vs Grechkin, Dmitry M — 1-0 — Minsk BLR
1956 — Letelier Martner, Rene vs Schmid, Lothar — 1/2-1/2 — Moskou olm
1956 — Gufeld, Eduard vs Polugaevsky, Lev — 0-1 — Tbilisi GEO
1956 — Betak Miroslav vs Polak, Jaroslav Prof — 1/2-1/2 — Chomutov
1957 — Yuan, Zhilin vs Lbov, Alexander — 1-0 — Krasnodar RUS

7.a3 — 0.1% (3 parties)

2010 — Pavlidis, Pavlos vs Asadli, Vugar — 0-1 — Thessaloniki GRE
2018 — Poormosavi, Seyed Kian vs Jasmeher Singh Kathuria — 1-0 — Al-Ain UAE
2021 — Freire, Daniel J vs Tomilin, Artjom Valerievich — 0-1 — ICCF

7.Be3 — 0.1% (2 parties)

1986 — Estevez Rodriguez, Luis Alberto vs Valcarcel, JA. — 0-1 — Benidorm
2000 — Mousain, Valentin vs Coulon, Guillaume — 0-1 — France

7.Nf3 — 0.1% (2 parties)

1998 — Acyr dos Anjos C. Silva vs Constantino, Fernando — 0-1 — Porto Belo
2016 — Rodriguez Gonzalez, Gerard vs Hernando Rodrigo, Lourdes — 0-1 — Barcelona ESP

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