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	● d4 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v0)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 5)
Be3	● Be3 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● b1, ● 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	—	● …d7-d5, ● …f7-f5

B41c — Sicilian: Kan, 5.Be3

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Be3 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bd3 (Fou actif (mobilité 5), Développer f1 — 34 % des parties) ; Nc3 (Développer b1 — 23 % des parties) ; Nd2 (Développer b1 — 16 % des parties) ; Be2 (Fou actif (mobilité 8), Développer f1 — 8 % des parties) ; f3 (Poussée — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...Nf6 (Développer g8 — 60 % des parties) ; ...Qc7 (Prépare O-O-O — 28 % des parties) ; ...Nc6 (Développer b8 — 5 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1905 It (Men) Stockholm SWE – Round 15 – Marco, Georg – 1-0 – Marchand, Max – G54 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nd2 d5 7. e5 Nfd7 8. f4 Nc6 9. c3 g5 10. Nxe6 fxe6
1954 URS Ch sf Leningrad RUS – Round 11 – Estrin, Yakov – 0-1 – Kan, Ilya A – G15 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Bd3 Nc6 7. O-O d5 8. exd5 Nxd5 9. Nxc6 bxc6 10. Be4 Bd6
1956 GBR Ch 43rd – Round 7.4 – Gibbs, Peter Campbell – 1/2-1/2 – Barden, Leonard – G7 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nd2 Qc7 7. Be2 Nc6 8. O-O d5 9. Nxc6 bxc6 10. exd5 exd5
1956 Stevenson Memorial 4th – Round 2 – Wade, Robert G – 1-0 – Lehmann, Heinz – G3 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nd2 Nc6 7. f4 d5 8. e5 Nd7 9. Be2 Bc5 10. N2b3 Ba7
1960 Leningrad tt – Round 14 – Van Hoorne, F – 0-1 – Drimer, Dolfi – G197 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Bd3 Qc7 7. O-O d5 8. exd5 Nxd5 9. Nd2 Nd7 10. N2f3 N7f6
1961 IBM – Round 5 – Crabbendam, Hans – 1/2-1/2 – Donner, Jan-Hein – G25 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nd2 e5 7. N4b3 d5 8. exd5 Nxd5 9. Qh5 Nc6 10. Bc4 b5
1961 Moscow Ch – Round ? – Korzin, Vitaly A – 0-1 – Shamkovich, Leonid – G76 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nc3 Qc7 7. a3 b5 8. Bd3 Bb7 9. O-O d6 10. f4 Nbd7
1962 Capablanca Memorial – Round 15 – Ciocaltea, Victor – 1/2-1/2 – Smyslov, Vladimir – G151 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nc3 Bb4 7. Bd3 Qc7 8. O-O Bxc3 9. bxc3 d5 10. exd5 Nxd5
1962 Hastings II – Round 5 – Dahl Schutt, Frederik – 0-1 – Hamann, Svend – G13 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Bd3 Qc7 7. O-O Nc6 8. Nd2 Nxd4 9. Bxd4 Bc5 10. c3 e5
1963 Alekhine Memorial – Round 10 – Tal, Mikhail – 1-0 – Vladimirov, Boris T – G69 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Bd3 e5 7. Nf3 d5 8. Nbd2 Nc6 9. Bg5 Be7 10. Bxf6 Bxf6
1963 Enschede zt – Round 10 – Tatai, Stefano – 0-1 – Lengyel, Laszlo – G49 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Bd3 Qc7 7. O-O d5 8. Nd2 e5 9. N4b3 dxe4 10. Nxe4 Nbd7
1963 Enschede zt – Round 3 – Penrose, Justin – 1-0 – Popov, Lazar – G44 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Bd3 d5 7. e5 Ng8 8. Nd2 Nc6 9. f4 Nxd4 10. Bxd4 Qc7
1963 Enschede zt – Round 6 – Boey, Jin Huey – 0-1 – Lengyel, Laszlo – G45 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Bd3 Qc7 7. Nd2 d5 8. f4 dxe4 9. Nxe4 Nbd7 10. O-O Nxe4
1963 Halle zt – Round 1 – Ofstad, Per – 0-1 – Malich, Burkhard, Dr. – G77 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nc3 Qc7 7. Bd3 b5 8. e5 Qxe5 9. Qf3 d5 10. O-O-O Qc7
1964 Amsterdam Interzonal – Round 16 – Perez Perez, Francisco Jose – 0-1 – Gligorić, Svetozar – G161 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nc3 Qc7 7. a3 b5 8. Bd3 Bb7 9. O-O d6 10. f4 Nbd7
1964 Amsterdam Interzonal – Round 19 – Tringov, Georgi P – 1-0 – Quinones Carrillo, Oscar – G192 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Bd3 Nc6 7. O-O Qc7 8. Nd2 Be7 9. Nxc6 bxc6 10. f4 d6
1964 Buenos Aires – Round 15 – Rubinetti, Jorge – 1-0 – Wexler, Bernardo – G137 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Qc7 6. Bd3 Nf6 7. O-O Be7 8. f4 d6 9. c4 b6 10. Nc3 Bb7
1964 Capablanca Memorial – Round 18 – Jimenez Zerquera, Eleazar – 1-0 – Letelier Martner, Rene – G183 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Bd3 Nc6 7. O-O e5 8. Nxc6 dxc6 9. Nc3 Ng4 10. Qe2 Qh4
1964 DEN Ch Holstebro – Round 10 – From, Sigfred – 0-1 – Kolvig, Bent – G36 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Qc7 6. Bd3 Nf6 7. Qe2 d5 8. Nd2 e5 9. O-O-O Be7 10. exd5 exd4
1964 Kecskemet zt – Round 1 – Bhend, Edwin – 1-0 – Szabo, Ladislav – G43 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Bd3 Qc7 7. f4 d6 8. Nc3 Nbd7 9. g4 Nc5 10. g5 Nfd7
1964 URS – Round ? – Chernikov, Pavel Pavlovich – 1-0 – Cherepkov, Alexander V – G16 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Qc7 6. Bd3 Nf6 7. O-O Be7 8. c4 Nc6 9. Nxc6 bxc6 10. Nc3 c5
1965 Hungary – Round 1 – Szily, Jozsef – 0-1 – Haag, Ervin – G77 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nd2 d6 7. Be2 Be7 8. O-O O-O 9. f4 b6 10. Bd3 Bb7
1966 Hungary – Round 1 – Kovacs, Laszlo M – 1-0 – Hajtun, Joseph – G57 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nd2 d5 7. e5 Nfd7 8. f4 Nc6 9. c3 g5 10. Nxe6 Qe7
1966 Le Havre – Round ? – Zinser, Sylvain – 0-1 – Roos, Michel – G51 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Qc7 6. Bd3 Nc6 7. O-O d6 8. Nc3 Nf6 9. a4 Bd7 10. Nb3 Be7
1966 Rio Hondo zt – Round 9 – Aguilera Rocha, Angelina – 0-1 – Panno, Oscar – G50 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nd2 Nc6 7. g3 Be7 8. Bg2 O-O 9. O-O Qc7 10. c4 d6
1966 WchTJ U26 fin-A – Round 2 – Pantazi, Emanuel A – 0-1 – Spassov, Liuben – G11 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nd2 Qc7 7. Bd3 Nc6 8. Nxc6 Qxc6 9. O-O d6 10. Kh1 b5
1967 Rubinstein Memorial – Round 14 – Filipowicz, Andrzej – 1/2-1/2 – Doda, Zbigniew – G57 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nd2 e5 7. N4b3 Nc6 8. c4 d6 9. Be2 Be7 10. O-O O-O
1968 Corr ch12-TCH – Round 1 – Alcantara Mucha, Octavio Jhovani – 0-1 – Caceres Richter, Dylan – G5 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be3 Nf6 6. Nd2 Qc7 7. Bd3 Nc6 8. Nxc6 dxc6 9. f4 Be7 10. c4 e5

B41c — Kan (1905)

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Be3

Les coups candidats

5…Nf6 — 60.3% (1315 parties)

Ambassadeurs : Vitolinsh, Alvis (6x), Lakatos, Vladimir (4x), Herzel, Alois, Dr. (4x), Gonczi, Jozsef (3x), Enxing, Simon (3x), Eckhardt, Claudia (3x), Gallego, Ruben (3x), Kirchner, Norbert (3x)

5…Qc7 — 27.8% (606 parties)

Ambassadeurs : Dimitrova, Ivaila (2x), Lutz, Thomas (2x), Marinangeli, Martin (2x), Dang Giang Nam (2x), Kopp, Lubomir (2x), Sarnyai, Daniel (2x), Nguyen, Hong Ngoc (2x), Kiep, Fabian (2x)

5…Nc6 — 5.3% (115 parties)

Ambassadeurs : Barczay, Laszlo (1x), Flesch, János (1x), Papadopoulos, Ioannis NA (1x), Vyzantiadis, Lazaros (1x), Olsson, Ake (1x), Rantalainen, Seppo (1x), Nielsen, Gunnar (1x), Moller, Lars (1x)

5…b5 — 2.9% (63 parties)

Ambassadeurs : Korluss, Ulrich (2x), Puls, Luisa (1x), Grewe, Karl-Heinz (1x), Ando, Sandor (1x), Miana, Elias (1x), Schmidt, Heike (1x), Bellmann, Horst (1x), Herdlitschka (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…Nf6	5…Qc7	5…Nc6	5…b5
<1800	280	45%	39%	5%	5%
1800-2200	1189	61%	29%	4%	2%
2200-2600	326	79%	13%	2%	2%

Évolution par décennie (% des parties)

Décennie	N parties	5…Nf6	5…Qc7	5…Nc6	5…b5
1950s	6	83%	17%	—	—
1960s	66	71%	23%	5%	—
1970s	49	69%	18%	8%	4%
1980s	48	77%	17%	2%	4%
1990s	362	60%	23%	9%	2%
2000s	839	57%	30%	6%	3%
2010s	703	60%	30%	3%	3%
2020s	107	64%	26%	4%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…Nf6	60%	64%	▲ +4.0%
5…Qc7	30%	26%	▼ -4.0%
5…Nc6	3%	4%	▲ +0.8%
5…b5	3%	3%	+0.1%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 2 parties

Parties historiques

5…Nf6 — 60.3% (1315 parties)

1954 — Estrin, Yakov vs Kan, Ilya A — 0-1 — URS-ch sf Leningrad RUS
1956 — Gibbs, Peter Campbell vs Barden, Leonard — 1/2-1/2 — Blackpool ENG
1956 — Wade, Robert G vs Lehmann, Heinz — 1-0 — Bognor Regis
1958 — Mazans vs Akmentins, Alfreds — 1-0 — Riga LAT
1958 — Barden, Leonard vs Bosch van Rosenthal, Edzard — 1-0 — Vlissingen NLD-ENG

5…Qc7 — 27.8% (606 parties)

1958 — Akmentins, Alfreds vs Darznieks, Artur — 0-1 — Riga LAT
1960 — Momo, Suren vs Tan Hoang Liong — 0-1 — Leningrad RUS
1963 — Rujevic, Mirko vs Zagar, Ivan — 1/2-1/2 — Dravograd
1963 — Kovac, Darko vs Ostojic, Predrag — 0-1 — JUG-chJ Dravograd
1963 — Kovac, Boris vs Cebalo, Miso — 1-0 — Dravograd

5…Nc6 — 5.3% (115 parties)

1964 — Barczay, Laszlo vs Flesch, János — 1/2-1/2 — Pecs
1964 — Papadopoulos, Ioannis NA vs Vyzantiadis, Lazaros — 0-1 — Tel Aviv ISR
1969 — Olsson, Ake vs Rantalainen, Seppo — 1-0 — Uppsala
1970 — Zalys, Ignas vs Day, Lawrence A. — 1/2-1/2 — Boston, MA USA
1974 — Nielsen, Gunnar vs Moller, Lars — 1-0 — Vejle DEN

5…b5 — 2.9% (63 parties)

1973 — Ando, Sandor vs Miana, Elias — 1-0 — Pinamar ARG
1974 — Herdlitschka vs Prang, Edgar, Dr. — 1/2-1/2 — Muenster GER
1987 — Puls, Luisa vs Grewe, Karl-Heinz — 1/2-1/2 — corr DDR
1988 — Schmidt, Heike vs Bellmann, Horst — 1/2-1/2 — St Ingbert
1991 — Wittmann, Karl vs Chomet, Pascal — 0-1 — Aix les Bains

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