B42h — Sicilian: Kan, 5.Bd3 Nf6 6.c4

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.c4 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Nxc6 (Menace d8 — 30 % des parties) ; O-O (Mettre le roi en sécurité, connecter les tours — 26 % des parties) ; Nc3 (Développer b1 — 15 % des parties) ; Be3 (Fou actif (mobilité 5), Développer c1 — 10 % des parties) ; Nc2 (6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...Nc6 (Développer b8 — 48 % des parties) ; ...Qc7 (Prépare O-O-O — 27 % des parties) ; ...d6 (Libérer Bc8 — 14 % des parties).

Avantages

Faiblesses

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	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	—	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bd3	● Bd3 Mauvais (mob. 3)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● b1, ● c1, ● 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
1923 Petrograd ch-URS – Round 10 – Levenfish, Grigory – 1-0 – Duz-Khotimirsky, Fedor Ivanovich – G17 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Be3 Bb4+ 8. Nc3 d5 9. exd5 exd5 10. O-O O-O
1939 Bad Elster – Round 4 – Michel, Pascal – 1/2-1/2 – Lokvenc, Josef – G12 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nxc6 dxc6 8. O-O e5 9. Bc2 Be6 10. b3 Bc5
1954 Montevideo – Round 6 – Alonzo Salomon, Jose Luis – 1-0 – Horberg, Bengt-Eric – G62 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Qc7 7. Nc3 h5 8. h3 Be7 9. Qe2 Nc6 10. Nxc6 dxc6
1955 BLR-POL m – Round ? – Witkowski, Stefan – 1/2-1/2 – Suetin, Alexey S – G12 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nc2 d5 8. exd5 exd5 9. O-O Be6 10. Qe2 Be7
1957 Santiago – Round 1 – Salas Romo, Julio – 0-1 – Letelier Martner, Rene – G12 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nxc6 dxc6 8. O-O e5 9. Qc2 Be6 10. Bg5 h6
1957 URS Ch, semi final – Round 1 – Giterman, Shlomo – 0-1 – Buslaev, Aleksander – G58 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nxc6 dxc6 8. O-O e5 9. Nc3 Bc5 10. Na4 Bd4
1958 ITA-SUI m – Round 2 – Paoli, Enrico – 1/2-1/2 – Kupper, Josef – G12 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Be3 Qc7 8. O-O Ne5 9. h3 Bc5 10. b3 Qb6
1959 Candidats Tournament – Round 11 – Benko, Pal – 1-0 – Petrosian, Tigran V – G43 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nxc6 dxc6 8. O-O e5 9. Qc2 Bc5 10. Nd2 Be6
1959 ch – Round 3 – Dreszer, Jerzy – 1/2-1/2 – Doda, Zbigniew – G2 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Be3 d5 8. exd5 exd5 9. O-O Be7 10. Nc3 O-O
1959 Kragujevac ch14-YUG – Round 1 – Ivkovic, Danijal – 0-1 – Milic, Bozidar – G74 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nxc6 dxc6 8. O-O e5 9. Nc3 Bc5 10. Qe2 Bg4
1959 Lodz ch POL – Round 14 – Swiecicki, Wojciech – 0-1 – Doda, Zbigniew – G69 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nxc6 dxc6 8. O-O e5 9. h3 Bc5 10. Qf3 O-O
1960 Asuncion – Round 1 – Aceituno Cantero, Jose Tomas – 0-1 – Letelier Martner, Rene – G24 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nxc6 dxc6 8. O-O e5 9. h3 Be6 10. Be3 Nd7
1961 Stockholm 6061 – Round 8 – Johannessen, Svein – 1/2-1/2 – Book, Eero – G10 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Bc2 Bc5 8. Nb3 Bb4+ 9. N1d2 d5 10. O-O O-O
1962 Capablanca Memorial – Round 7 – Acevedo Ortega, Rodrigo Andres – 0-1 – Cobo Arteaga, Eldis – G66 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nxc6 dxc6 8. O-O e5 9. Qe2 Bc5 10. h3 O-O
1963 Capablanca Memorial – Round 15 – Acevedo Ortega, Rodrigo Andres – 0-1 – O'Kelly de Galway, Alberic – G143 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nxc6 dxc6 8. O-O e5 9. Qe2 Nd7 10. Bc2 Bc5
1964 Tel Aviv olm prel – Round 4 – Ramirez Espinoza, Percy Willy – 0-1 – Gligorić, Svetozar – G145 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nc2 d5 8. exd5 exd5 9. O-O Be6 10. Qe2 Be7
1964 Tel Aviv olm prel – Round 6 – Tapaszto Binet, Laszlo – 1/2-1/2 – Kupper, Josef – G226 1. e4 c5 2. d4 cxd4 3. Nf3 e6 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nc2 d5 8. cxd5 exd5 9. exd5 Qxd5 10. O-O Be6
1965 Hastings6566 – Round 1 – Nicolai, Werner – 0-1 – Vasiukov, Evgeni – G4 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nxc6 dxc6 8. O-O e5 9. Bc2 Bg4 10. f3 Be6
1965 Novi Sad – Round 10 – Djurovic, Dejan – 1/2-1/2 – Gligorić, Svetozar – G86 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nxc6 dxc6 8. O-O e5 9. Qc2 Nd7 10. Rd1 Nc5
1966 La Habana olm fin-A – Round 6 – Wibe, Terje – 1/2-1/2 – Kavalek, Lubomir – G107 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nc2 d5 8. exd5 exd5 9. O-O Be6 10. Qe2 Be7
1969 Budapest ch-HUN – Round 1 – Csom, Istvan – 0-1 – Farago, Ivan – G64 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nf3 Bb4+ 8. Nbd2 d5 9. exd5 exd5 10. O-O O-O
1972 Skopje ol (Men) fin-A – Round 7 – Olsson, Adam – 0-1 – Smyslov, Vassily – G259 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nc2 d5 8. exd5 exd5 9. O-O Be7 10. Bf4 O-O

B42h — Kan (1923)

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.c4

Les coups candidats

6…Nc6 — 48.5% (880 parties)

Ambassadeurs : Hlavac, Rudolf (10x), Meijers, Viesturs (4x), Tvarijonas, Povilas (4x), Paoli, Enrico (3x), Eingorn, Vereslav S (3x), Hulak, Krunoslav (3x), Opitz, Christian (3x), Bakheet Farag (3x)

6…Qc7 — 27.3% (495 parties)

Ambassadeurs : Hlavac, Rudolf (7x), Kovacevic, Slobodan (3x), Matsenko, Elena (3x), Herrera, Milena (3x), Short, Nigel D (2x), Benjamin, Joel (2x), Gerusel, Mathias (2x), Simunek, Ales (2x)

6…d6 — 14.0% (253 parties)

Ambassadeurs : Gheorghiu, Florin (2x), Kassebaum, Roman (2x), Kondou, Eva (2x), Campos, Eugenio (2x), Molnar, Laszlo (2x), Timmerman, Gert (2x), Pahor, Andrea (2x), Burtasova, Anna (2x)

6…Be7 — 3.8% (69 parties)

Ambassadeurs : Semenova, Lidia K (1x), Kozlovskaya, Valentina (1x), Sikora-Gizynska, Bozena (1x), Nuenchert, Eveline (1x), Masango, Mark (1x), Oyeneyin, Tajudeen (1x), Tomas, Wilson (1x), Althoff, Christoph (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…Nc6	6…Qc7	6…d6	6…Be7
<1800	109	38%	36%	10%	6%
1800-2200	959	44%	32%	13%	5%
2200-2600	564	54%	21%	17%	2%
2600+	5	80%	—	20%	—

Évolution par décennie (% des parties)

Décennie	N parties	6…Nc6	6…Qc7	6…d6	6…Be7
1950s	18	89%	11%	—	—
1960s	19	100%	—	—	—
1970s	39	67%	13%	10%	5%
1980s	84	49%	13%	25%	5%
1990s	292	50%	23%	16%	4%
2000s	604	48%	27%	16%	3%
2010s	623	43%	32%	13%	5%
2020s	134	55%	31%	5%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…Nc6	43%	55%	▲ +12.0%
6…Qc7	32%	31%	▼ -1.8%
6…d6	13%	5%	▼ -7.6%
6…Be7	5%	2%	▼ -2.6%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie

Parties historiques

6…Nc6 — 48.5% (880 parties)

1953 — Cortlever, Nico vs Giustolisi, Alberto — 1/2-1/2 — Mont Pelerin sur Vevey
1955 — Sabata, Mmoledi vs Polak, Jakub — 0-1 — ?
1955 — Witkowski, Stefan vs Suetin, Alexey S — 1/2-1/2 — Soviet Union
1957 — Giterman, Shlomo vs Buslaev, Aleksander — 0-1 — Tbilisi GEO
1957 — Salas Romo, Julio vs Letelier Martner, Rene — 0-1 — Santiago CHI

6…Qc7 — 27.3% (495 parties)

1954 — Salomon, Miguel vs Horberg, Bengt-Eric — 1-0 — It Montevideo (Uruguay)
1959 — Ladanyike-Karakas, Eva vs Hoensch, Irene — 0-1 — HUN
1971 — Lorenz, Gerd vs Hesse, Peter — 0-1 — Leipzig GER
1971 — Romm, Meir vs Guti, Emanuel — 1-0 — Haifa/Tel Aviv
1976 — Short, Nigel D vs Benjamin, Joel — 1-0 — Lloyds Bank

6…d6 — 14.0% (253 parties)

1972 — Macura, Jiri vs Vokoun, Jan — 1-0 — Decin CZE
1976 — Marjanovic, Slavoljub vs Gheorghiu, Florin — 1-0 — Skopje MKD
1976 — Geller, Efim P. vs Tal, Mikhail — 1/2-1/2 — Biel SUI
1979 — Hannibal, Tom vs Clayton, Kenneth — 1/2-1/2 — Clev-Washington phone
1982 — Timmerman, Gert vs Borm, Frans — 0-1 — Amsterdam NED

6…Be7 — 3.8% (69 parties)

1974 — Sikora-Gizynska, Bozena vs Nuenchert, Eveline — 1/2-1/2 — Lublin POL
1976 — Semenova, Lidia K vs Kozlovskaya, Valentina — 1-0 — Tbilisi GEO
1980 — Lorenz, Gerd vs Gruenberg, Hans-Ulrich — 0-1 — Plauen
1984 — De Linde, Anne vs Horvath, Maria — 1/2-1/2 — Thessaloniki ol women
1986 — Tomas, Wilson vs Althoff, Christoph — 0-1 — GER

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