B42a — Sicilian: Kan, 5.Bd3

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

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), Bd3 actif, paire de fous, colonne d.
Faiblesses adverses : arriérés b7, d7, Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, 4 pièces non développées (B1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nbd2 — Développer Nb1
● Be3 — Développer Bc1
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), paire de fous, colonne c.
Faiblesses adverses : Bc1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, arriérés b7, d7, 6 pièces non développées (B8, G8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Nf6 — Développer Ng8
● ...Be7 — Développer Bf8

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B42a — Kan

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

Eval: [+0.39]

Les coups candidats

5…Nf6 — 30.9% (12396 parties) →

Ambassadeurs : Gheorghiu, Florin (121x), Kovacevic, Slobodan (78x), Adamski, Jan (72x), Ionescu, Constantin (65x), Farago, Ivan (60x), Rimkus, Bronius I (59x), Chuchelov, Vladimir (56x), Cvitan, Ognjen (44x)

5…Bc5 — 28.9% (11597 parties) →

Ambassadeurs : Epishin, Vladimir (65x), Korneev, Oleg (61x), Smirin, Ilia (45x), Rimkus, Bronius I (44x), Svidler, Peter (39x), Agrest, Evgenij (37x), Horvath, Csaba (36x), Bezold, Michael (32x)

5…Qc7 — 17.3% (6959 parties) →

Ambassadeurs : Schneider, Bernd (27x), Meijers, Viesturs (23x), Velikov, Petar (18x), Galego, Luis (17x), Babiy, Olga (17x), Stripunsky, Alexander (15x), Kanovsky, David (15x), Bilguun, Sumiya (15x)

5…Nc6 — 9.6% (3859 parties) →

Ambassadeurs : Miezis, Normunds (174x), Izsak, Gyula (26x), Rossi, Giampiero (24x), Solak, Dragan (22x), Martorelli, Antonio (19x), Jahn, Constanze (17x), Kozlov, Oleg (17x), Miles, Anthony J (14x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…Nf6	5…Bc5	5…Qc7	5…Nc6
<1800	778	26%	19%	31%	12%
1800-2200	12214	30%	25%	25%	10%
2200-2600	21805	32%	32%	12%	8%
2600+	734	25%	53%	4%	1%

Évolution par décennie (% des parties)

Décennie	N parties	5…Nf6	5…Bc5	5…Qc7	5…Nc6
1850s	1	—	—	—	100%
1870s	2	50%	—	—	—
1880s	1	—	—	—	—
1890s	1	—	—	100%	—
1900s	2	—	—	50%	50%
1910s	2	—	—	—	100%
1920s	11	36%	—	55%	9%
1940s	1	100%	—	—	—
1950s	34	18%	—	12%	62%
1960s	588	17%	26%	16%	32%
1970s	1140	29%	17%	15%	21%
1980s	1838	52%	11%	10%	13%
1990s	5783	38%	18%	16%	12%
2000s	13503	29%	31%	17%	9%
2010s	14125	29%	32%	20%	7%
2020s	3088	23%	42%	16%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…Nf6	29%	23%	▼ -6.5%
5…Bc5	32%	42%	▲ +10.3%
5…Qc7	20%	16%	▼ -4.0%
5…Nc6	7%	7%	▼ -0.7%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Karpov, Aleksandr — 6 parties
Kramnik, Vladimir — 4 parties
Ju, Wenjun — 3 parties
Botvinnik, Mikhail — 2 parties
Kasparov, Garry — 2 parties
Euwe, Max — 1 partie

Parties historiques

5…Nf6 — 30.9% (12396 parties)

1873 — Adolf, Feraydo vs Anderssen, Adolf — 0-1 — Vienna AUT
1924 — Daniuszewski, Dawid POL1 vs Naegeli, Oskar SUI3 — 1-0 — Paris FRA
1925 — Michell, Reginald vs Tartakower, Savielly — 0-1 — Marienbad CZE
1925 — Bellod Thomas, Gonzalo vs Tartakower, Savielly — 1/2-1/2 — Marienbad CZE
1926 — Romih, Max vs Baratz, Abraham — 0-1 — Hyeres FRA

5…Bc5 — 28.9% (11597 parties)

1960 — Matulovik vs Korchnoi, Viktor — 1-0 — ?
1960 — Casa, Alex vs Veizaj, Mendim — 0-1 — Leipzig olm
1960 — Persitz, Raaphi vs Veizaj, Mendim — 1-0 — Leipzig GER
1961 — Keres, Paul vs Smyslov, Vladimir — 1/2-1/2 — Baku ch-URS
1962 — Matanovic, Aleksandar vs Ivkov, Borislav — 1/2-1/2 — Havana CUB

5…Qc7 — 17.3% (6959 parties)

1892 — Porges, Moritz vs Paulsen, Wilfried — 1-0 — Dresden GER
1904 — D Marco, Gianni vs Von Gottschall, Hermann — 1-0 — Coburg
1922 — Fairhurst, William vs Vajda, Arpad — 1/2-1/2 — London ENG
1923 — Formanek, Zdenek vs Szabados, Eugenio — 1-0 — Trieste
1923 — Vitkovsky A vs Tereba, R. — 1-0 — Pardubice CZE

5…Nc6 — 9.6% (3859 parties)

1859 — Suhle, Berthold vs Anderssen, Adolf — 0-1 — Cologne GER
1905 — Schelfhout, Willem vs Spielmann, Rudolf — 0-1 — Ostende
1911 — Hromadka, Karel vs Hafe — 1-0 — Cologne GER
1911 — Moewig, Alfred vs Villaret Oset, Abril — 1/2-1/2 — Cologne GER
1922 — D Marco, Gianni vs Reti, Richard — 1/2-1/2 — Bad Pistyan CZE

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● e4 (1v0)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bd3	● Bd3 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (b1, c1, 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	semi-ouvert
Ruptures	● c2-c3, ● e4-e5, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
1959 Argentina – Round 14 – Abraira Rodriguez, Alicia – 1-0 – Bazan, Osvaldo – G77 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 b5 6. O-O Bb7 7. a4 b4 8. c3 Nc6 9. Be3 Nf6 10. Nd2 Ne5
1961 Balcarce – Round 1 – Latorre Artal, Hector – 0-1 – Bielicki, Carlos – G19 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 b5 6. Be3 Nf6 7. a3 Bb7 8. Nd2 Qc7 9. f4 d6 10. Rc1 Nbd7
1963 URS Ch sf – Round ? – Lutikov, Anatoly S – 1-0 – Gurgenidze, Bukhuti – G9 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nbc6 7. Be3 Nxd4 8. Bxd4 Nc6 9. Bc3 b5 10. a3 Bb7
1964 Belgrade – Round 15 – Parma, Bruno – 1/2-1/2 – Larsen, Bent Ravn – G109 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nec6 7. Nb3 Be7 8. Nc3 d6 9. f4 b5 10. Kh1 Nd7
1964 Budapest ch-HUN – Round 1 – Pogats, Jozsef Jr. – 1/2-1/2 – Haag, Ervin – G104 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nbc6 7. Nxc6 Nxc6 8. Be3 Be7 9. c4 b6 10. Nc3 O-O
1964 EU Team Ch sf – Round 1.10 – Handel, Horst – 1/2-1/2 – Haag, Ervin – G3 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 b5 6. O-O Bb7 7. Nd2 Ne7 8. a4 Nbc6 9. N4f3 b4 10. Nb3 Ng6
1965 Rubinstein Memorial – Round 5 – Sydor, Andrzej – 0-1 – Vasiukov, Evgeni – G14 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 b5 6. O-O Bb7 7. Nd2 Ne7 8. Qh5 Nbc6 9. N2f3 g6 10. Nxc6 Nxc6
1966 Rzeszow ch POL – Round 3 – Witkowski, Stefan – 1/2-1/2 – Gromek, Jozef – G17 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 b5 6. O-O Bb7 7. Nc3 Ne7 8. Bg5 b4 9. Nce2 Nbc6 10. Nxc6 Bxc6
1967 ROM Ch – Round 19 – Pavlov, Mircea-Sergiu-Aurelian – 1/2-1/2 – Vaisman, Volodia – G133 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nbc6 7. Nxc6 Nxc6 8. Nd2 d6 9. b3 Be7 10. Bb2 O-O
1968 Kislovodsk – Round 10 – Nikolic, Stanimir – 1-0 – Ignatiev, Felix N – G75 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 d6 6. Be3 Nf6 7. h3 Nc6 8. Nc3 Nxd4 9. Bxd4 e5 10. Be3 Be6
1968 Kislovodsk – Round 12 – Geller, Efim P – 1/2-1/2 – Ignatiev, Felix N – G90 1. Nf3 c5 2. e4 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 d6 6. O-O g6 7. b3 Bg7 8. Bb2 Nf6 9. Nd2 O-O 10. Re1 Qc7
1968 Kislovodsk – Round 6 – Vasiukov, Evgeni – 1-0 – Ignatiev, Felix N – G53 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 d6 6. O-O g6 7. c4 Bg7 8. Be3 Nf6 9. Nc3 O-O 10. Re1 b6
1968 Meldorf U26 – Round 9 – Longwitz, Andreas – 1/2-1/2 – Jakobsen, Ole – G37 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. Nd2 Nbc6 7. N2b3 d5 8. O-O Nxd4 9. Nxd4 g6 10. e5 Bg7
1969 Tbilisi – Round 1 – Lein, Andreas – 1/2-1/2 – Bronstein, David I – G5 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nbc6 7. Be3 Ng6 8. Nc3 Qc7 9. Nxc6 Qxc6 10. Qh5 b5
1974 Manila – Round 7 – Kavalek, Lubomir – 1/2-1/2 – Vasiukov, Evgeni – G88 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nec6 7. Nb3 d6 8. c4 Nd7 9. Nc3 b6 10. Be3 Be7
1975 URS Team Ch – Round 1 – Gaprindashvili, Nona – 1-0 – Levitina, Irina – G298 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nec6 7. Nb3 Be7 8. f4 d6 9. Be3 O-O 10. N1d2 Nd7
1975 URS Team Ch – Round 1 – Klovans, Janis – 1/2-1/2 – Vasiukov, Evgeni – G299 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. Nc3 Nec6 7. Nxc6 Nxc6 8. O-O b5 9. f4 Bb7 10. Be3 Qc7
Amber Blindfold 2001 – Round 5 – Almasi, Zoltan – 0-1 – Kramnik, Vladimir – G17 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nbc6 7. Nxc6 Nxc6 8. Be3 Be7 9. Nd2 O-O 10. c3 b5
Amber Rapid 2008 – Round 10 – Leko, Peter – 1/2-1/2 – Carlsen, Magnus – G43 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nbc6 7. Nb3 Ng6 8. Nc3 b5 9. Be3 Be7 10. f4 O-O
Amber-rapid 18th 2009 – Round 11 – Leko, Peter – 0-1 – Kramnik, Vladimir – G38 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nbc6 7. Nxc6 Nxc6 8. Be3 Be7 9. Nd2 O-O 10. c3 Qc7
Clarin 1979 – Round 9 – Spassky, Boris V. – 1/2-1/2 – Najdorf, Miguel – G22 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 d6 6. c4 g6 7. Nc3 Bg7 8. Be3 Nf6 9. O-O O-O 10. Rc1 b6
Corus A 2006 – Round 10 – Bacrot, Etienne – 1-0 – Kamsky, Gata – G63 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 d5 6. exd5 Qxd5 7. Nc3 Qe5+ 8. Be3 Nf6 9. O-O Bc5 10. Re1 O-O
World Blitz 2017 – Round 13.10 – Amonatov, Farrukh – 0-1 – Artemiev, Vladislav – G659 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. c4 Nec6 7. Nf3 d6 8. O-O Be7 9. Nc3 O-O 10. h3 b6
World Blitz 2017 – Round 17.3 – Vachier-Lagrave, Maxime – 1-0 – Artemiev, Vladislav – G886 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nec6 7. Be3 Nxd4 8. Bxd4 Nc6 9. Bc3 b5 10. a3 e5
World Blitz 2019 – Round 2.31 – Vavulin, Maxim – 1-0 – Chigaev, Maksim – G105 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O g6 7. c4 Bg7 8. Nb3 Nbc6 9. Nc3 O-O 10. Be2 f5
World Rapid 2016 – Round 4.22 – Amonatov, Farrukh – 1-0 – Pichot, Alan – G139 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nbc6 7. Nxc6 Nxc6 8. f4 Bc5+ 9. Kh1 d6 10. Nd2 O-O
XXV SuperGM 2008 – Round 2 – Shirov, Alexei – 1/2-1/2 – Carlsen, Magnus – G5 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nbc6 7. Nxc6 Nxc6 8. Be3 Be7 9. Nd2 d5 10. exd5 exd5
Yerevan ol (Men) 1996 – Round 14 – Adams, Michael – 1/2-1/2 – Portisch, Lajos – G216 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. O-O Nec6 7. c3 d5 8. exd5 Qxd5 9. Be3 Be7 10. Nd2 Nxd4

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