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 semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte f4, paire de fous, colonne d.
Faiblesses adverses : arriérés b7, d7, Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, arriéré f2, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Bg5 — Clouer Nf6
● Bd3 — Développer Bf1
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte c5, paire de fous, colonne c.
Faiblesses adverses : arriéré f2, Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, arriérés b7, d7, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Be7 — Développer Bf8
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B43i —

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

Eval: [+0.16]

Les coups candidats

7.Bg2 — 99.3% (1976 parties)

Ambassadeurs : Van Riemsdijk, Herman C. (16x), Szmetan, Jorge (15x), Velikov, Petar (13x), Martorelli, Antonio (10x), Heinig, Wolfram, Dr. (8x), Chuchelov, Vladimir (8x), Volosin, Leon (8x), Rossi, Giampiero (8x)

7.a3 — 0.2% (4 parties)

Ambassadeurs : Tartakower, Savielly (1x), Decreton Keller, Henrique (1x), 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 : Silva Evanoe (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	41	98%	—	—	—
1800-2200	583	99%	0%	—	0%
2200-2600	942	100%	—	—	—
2600+	11	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7.Bg2	7.a3	7.Be3	7.Nf3
1900s	1	—	100%	—	—
1920s	6	100%	—	—	—
1930s	1	100%	—	—	—
1950s	30	100%	—	—	—
1960s	99	100%	—	—	—
1970s	161	100%	—	—	—
1980s	149	99%	—	1%	—
1990s	413	100%	—	—	0%
2000s	508	99%	—	0%	—
2010s	522	99%	0%	—	0%
2020s	100	98%	1%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Bg2	99%	98%	▼ -0.9%
7.a3	0%	1%	▲ +0.6%
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 — 99.3% (1976 parties)

1920 — Berndtsson, Karl vs Bergdahl Larsson, Rasmus — 1-0 — Goteborg SWE
1921 — Steiner, Endre vs Saemisch, Friedrich — 1/2-1/2 — Budapest HUN
1922 — Hromadka, Karel vs Saemisch, Friedrich — 0-1 — Bad Pistyan CZE
1922 — Louis, Andre vs MAROCZY, GEZA — 0-1 — Weston Super Mare
1923 — Zubarev, Nikolay vs Duz-Khotimirsky, Fedor Ivanovich — 1-0 — Petrograd ch-URS

7.a3 — 0.2% (4 parties)

1905 — Tartakower, Savielly vs Decreton Keller, Henrique — 1-0 — Barmen GER
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 — Silva Evanoe vs Constantino, Fernando — 0-1 — Porto Belo
2016 — Rodriguez Gonzalez, Gerard vs Hernando Rodrigo, Lourdes — 0-1 — Barcelona ESP

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● f2	● b7, ● d7
Chaînes	● f2→g3, h2→g3	● b7→a6, d7→e6, f7→e6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

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	semi-ouvert
Ruptures	● e4-e5, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e6-e5

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 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

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