B41 — Sicilian Defense: Kan Variation

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), la paire de fous et la colonne semi-ouverte d.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1, les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Bd3 (Développer Bf1) ; Nbd2 (Développer Nb1) ; Nc3 (Développer b1,) ; c4 (Frapper le centre adverse,).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (2 contre 1), la paire de fous et la colonne semi-ouverte c.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les cavaliers b8 et g8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nf6 (Développer Ng8) ; ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...Qc7 (Vise la diagonale vers h2, prépare éventuellement O-O-O).

Avantages

Faiblesses adverses

Diagonale active

Plans

Base Masters : Blancs 34.6%, Nulles 35.1%, Noirs 30.3%.

Coups candidats

auto

Analyse coup par coup — 8 demi-coups commentés

1.e4 Avancée centrale — contrôle d5, f5. Prépare d4, f4, Bc4, Bd3.
1…c5 Avancée centrale — contrôle b4, d4. Prépare Nc6, d5.
2.Nf3 Contrôle c4, d4, d5, e5.
2…e6 Avancée centrale — contrôle d5, f5. Prépare d5, Be7, Bd6.
3.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
3…cxd4 Capture en d4 — résout la tension centrale.
4.Nxd4 Capture pion en d4.
4…a6 Coup prophylactique — empêche Nb5, Bb5. Prépare b5.

Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● d4 (1v0)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	5 (b1, c1, 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	semi-ouvert
Ruptures	● c2-c3, ● e4-e5, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
1925 Bratislava-A – Round 9 – Pokorny, Amos – 0-1 – Réti, Richard – G14 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a4 Nf6 6. Bd3 Nc6 7. Ne2 d5 8. exd5 Nxd5 9. O-O Be7 10. Na3 O-O
1958 Munich ol (Men) qual-C – Round 4 – Redolfi, Argentino Rodolfo – 0-1 – Clarke, Peter H – G6 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a3 Nf6 6. Nc3 d6 7. g3 b5 8. Bg2 Bb7 9. O-O Qc7 10. Bg5 Nbd7
1959 Lima – Round 1 – Pilnik, Herman – 1-0 – Pinzon, Felipe – G7 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a3 Qc7 6. Nc3 Nf6 7. f4 d6 8. Bd3 Be7 9. Be3 Nbd7 10. Qf3 Nc5
1961 CSR Ch – Round 13 – Fichtl, Jiri – 0-1 – Marsalek, Josef – G123 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bc4 b5 6. Bb3 Bb7 7. Qe2 Nf6 8. e5 Ne4 9. O-O d6 10. Nd2 Nc5
1963 Fortaleza zt – Round 12 – Quinones Carrillo, Oscar – 1-0 – Athayde, Mauro – G65 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a3 Nf6 6. Nc3 Qc7 7. f4 d6 8. Bd3 b5 9. Nf3 Bb7 10. Qe2 Nbd7
1963 Hastings6364 – Round 3 – Bely, Matthieu – 1/2-1/2 – Tal, Mikhail – G10 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nb3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Qe2 Qc7 10. Bf4 d6
1963 Hastings6364 – Round 4 – Littlewood, John E – 0-1 – Gligorić, Svetozar – G13 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. f4 Nc6 6. Nb3 d5 7. e5 Nh6 8. Bd3 Nf5 9. O-O h5 10. Qe1 d4
1963 Leningrad ch-URS – Round 1 – Bagirov, Vladimir – 1/2-1/2 – Gipslis, Aivars – G78 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. Bd3 Nf6 7. O-O Be7 8. c4 O-O 9. b3 Nbd7 10. Bb2 Re8
1963 Odense – Round 1 – Kolvig, Bent – 1/2-1/2 – Hamann, Svend – G9 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a3 Nf6 6. Nc3 Qc7 7. f4 d6 8. Bd3 Nc6 9. Nf3 Be7 10. O-O O-O
1964 IBM – Round 1 – Cuijpers, Frans Andre – 1-0 – Donner, Jan-Hein – G6 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. Bd3 Nf6 7. O-O Be7 8. Kh1 e5 9. Ne2 O-O 10. f4 Nc6
1964 Kiev ch-URS – Round 1 – Sakharov, Yuri G. – 1-0 – Bannik, Anatolij – G72 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. Bd3 Nf6 7. O-O Nc6 8. Nxc6 bxc6 9. c4 Be7 10. Qa4 Qc7
1964 Kiev ch-URS – Round 1 – Vasiukov, Evgeni – 1-0 – Bannik, Anatolij – G71 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Qc7 6. Bd3 Nc6 7. Nxc6 bxc6 8. O-O Nf6 9. Qe2 d5 10. Re1 a5
1964 Malaga – Round 8 – Garcia Tore, Francisco – 0-1 – Lengyel, Levente – G36 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bc4 Nf6 6. Nc3 b5 7. Bd3 Qc7 8. a3 Bb7 9. O-O Nc6 10. Nxc6 Bxc6
1964 Pecs – Round 11 – Barczay, Laszlo – 1-0 – Szilagyi, Peter – G11 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. g3 Nf6 7. Bg2 Qc7 8. O-O Be7 9. c4 O-O 10. b3 Nc6
1964 Pecs – Round 6 – Haag, Ervin – 1-0 – Flesch, Janos – G6 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Nc6 6. N2f3 Qc7 7. Bd3 d6 8. O-O Nf6 9. c4 Be7 10. b3 e5
1964 RSFSR-HUN – Round 3.6 – Zagorovsky, Vladimir – 0-1 – Barczay, Laszlo – G23 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Nc6 6. N2b3 Qc7 7. g3 Nf6 8. Bg2 Be7 9. O-O O-O 10. f4 Nxd4
1964 Tel Aviv olm – Round 1 – Mohrlok, Dieter – 1/2-1/2 – Popov, Luben – G80 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. Bd3 Nf6 7. O-O Be7 8. c4 O-O 9. b3 Nc6 10. Bb2 Bd7
1964 Tel Aviv olm fin-B – Round 1 – Fuchs, Reinhart – 1/2-1/2 – Brinck-Claussen, Bjorn – G4 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Nc6 6. Nxc6 dxc6 7. Bd3 e5 8. Qh5 Bd6 9. Nc4 Nf6 10. Nxd6+ Qxd6
1964 WchT U26 11. fin-A – Round 10.4 – Romm, Meir – 0-1 – Polgar, Istvan – G183 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a4 Nf6 6. Bd3 Nc6 7. Be3 d5 8. Nxc6 bxc6 9. e5 Nd7 10. f4 Be7
1964 WchT U26 11. qual-A – Round 1.4 – Skrob Ernst – 0-1 – Smejkal, Jan – G4 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a3 Nf6 6. Nc3 d6 7. Be3 Be7 8. Be2 Qc7 9. O-O Nbd7 10. Nb3 O-O
1965 GDR Ch – Round 1 – Boehnisch, Manfred – 1/2-1/2 – Schoeneberg, Manfred – G2 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Nc6 6. N2b3 Qc7 7. Nxc6 dxc6 8. a4 Nf6 9. Bd3 c5 10. Qe2 b6
1965 Hamburg etc – Round 1 – Pogats, Jozsef Jr. – 1-0 – Van Wijngaarden, Frank – G25 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Qc7 6. Bd3 Ne7 7. O-O Nbc6 8. Nxc6 Nxc6 9. f4 b6 10. e5 Bb7
1965 Hastings ch-BCF – Round 1 – Hartston, William R – 1/2-1/2 – Holmes, Hugh D – G13 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Qc7 6. Bd3 Nc6 7. Nxc6 bxc6 8. O-O d5 9. f4 Bd6 10. Qg4 Ne7
1965 Hungary – Round 1 – Dely, Peter – 1/2-1/2 – Hajtun, Joseph – G79 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Nc6 6. Nxc6 bxc6 7. e5 d5 8. exd6 Bxd6 9. Nc4 Bb4+ 10. Bd2 Bxd2+
1965 Hungary – Round 1 – Pogats, Jozsef Jr. – 1/2-1/2 – Polgar, Istvan – G78 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Nc6 6. Nxc6 bxc6 7. Bd3 d5 8. O-O Nf6 9. b3 Bb4 10. Qe2 Bc3
1965 It (Men) Budapest HUN – Round 1 – Vasiukov, Evgeni – 1-0 – Savon, Vladimir – G4 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Ne7 6. Bd3 b5 7. O-O Bb7 8. a4 bxa4 9. Rxa4 Ng6 10. N2b3 Nc6
1965 Leipzig Inter 1st – Round 8 – Fuchs, Reinhart – 1/2-1/2 – Liebert, Heinz – G8 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Nc6 6. Nxc6 dxc6 7. Nf3 Qxd1+ 8. Kxd1 Bc5 9. Ke1 f6 10. Bd3 e5
1965 Novi Sad – Round 15 – Bradvarevic, Aleksandar – 1-0 – Damjanovic, Marko – G122 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. Bd3 Nf6 7. O-O Be7 8. c4 O-O 9. b3 Nc6 10. Bb2 Bd7
1965 Wch U20 f-A Barcelona ESP – Round 5 – Hartoch, Robert G – 1/2-1/2 – Schoeneberg, Manfred – G9 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Nc6 6. N2b3 Qc7 7. g3 Nf6 8. Bg2 Nxd4 9. Nxd4 d5 10. exd5 Nxd5
1965 Wch U20 f-A Barcelona ESP – Round 9 – Hartoch, Robert G – 1-0 – Kurajica, Bojan – G16 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. N2b3 Qc7 10. Bd2 Nbd7
1965 WchT U26 12. prel – Round 2 – Levy, David N L – 0-1 – Kolbak, Jens – G14 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Qc7 6. Bd3 Nc6 7. Nxc6 bxc6 8. O-O Nf6 9. f4 d5 10. Kh1 Be7
1965 Zinnowitz 02nd – Round 1 – Hennings, Artur – 1/2-1/2 – Neukirch, Detlef – G3 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. Bd3 Nf6 7. O-O Be7 8. c4 O-O 9. b3 Nbd7 10. Bb2 Re8
1966 Clare Benedict Cup 13th – Round 1 – Blau, Max – 1-0 – Hindle, Owen M – G1 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Nc6 6. Nxc6 dxc6 7. Bd3 e5 8. O-O Ne7 9. Nc4 Ng6 10. Be3 Be6
1966 Clare Benedict Cup 13th – Round 3 – Blau, Max – 1-0 – Struner Philipp – G10 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. Bd3 Nf6 7. O-O Be7 8. c4 O-O 9. b3 Bd7 10. Bb2 Nc6
1966 La Habana ol (Men) fin-B – Round 6 – Blau, Max – 1-0 – Liem Hong Gie – G5 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Qc7 6. Bd3 Nf6 7. O-O Bc5 8. N2b3 Ba7 9. Qe2 d6 10. Kh1 O-O
1966 La Habana olm fin-A – Round 2 – Sigurjonsson, Gudmundur – 0-1 – Popov, Luben – G5 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. Bd3 Nf6 7. O-O Be7 8. b3 Qc7 9. Bb2 b6 10. c4 Bb7
1966 Moscow Training – Round 1 – Kortchnoi, V. – 1/2-1/2 – Shamkovich, L. – G2 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Qc7 6. Bd3 Nf6 7. Qe2 d6 8. f4 e5 9. N4f3 Be7 10. Nc4 b5
1966 Rio Hondo zt – Round 1 – Camara, Hamady – 1/2-1/2 – Rubinetti, Jorge – G1 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. b3 Nf6 6. Bd3 Bc5 7. Be3 d6 8. c3 Nbd7 9. O-O O-O 10. h3 Qc7
1966 Rubinstein Memorial 04th – Round 9 – Pietrusiak, Bogdan – 0-1 – Damjanovic, Marko – G50 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Qc7 6. Bd3 Nf6 7. O-O Bc5 8. N2b3 Ba7 9. Kh1 d6 10. Bg5 Nbd7
1967 Clare Benedict Cup 14th – Round 3.4 – Nievergelt, Erwin – 1/2-1/2 – Langeweg, Kick – G16 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. Bd3 g6 7. b3 Bg7 8. Bb2 Nf6 9. O-O O-O 10. c4 b6
1967 DDR Ch women – Round 12 – Nuenchert, Eveline – 1/2-1/2 – Nowarra, Waltraud – G12 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a3 Qc7 6. Nc3 b5 7. g3 Bb7 8. Bg2 Nc6 9. Nde2 Bc5 10. O-O Nge7
1967 Glasgow Open – Round 5 – Levy, David N L – 1-0 – Lancaster, Roger – G10 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Nc6 6. Nxc6 dxc6 7. Bd3 Qc7 8. O-O Bc5 9. Qg4 g6 10. Kh1 e5
1967 Oxford ch-BCF – Round 1 – Lambshire, Mike V – 1/2-1/2 – Hollis, Adrian – G12 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Bc5 6. N2b3 Ba7 7. c4 d6 8. Be3 Nf6 9. Bd3 e5 10. Nc2 Nc6
1967 Sofia tt – Round 2 – Buza, Adrian – 0-1 – Popov, Luben – G22 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. c4 Nf6 7. Be2 g6 8. b3 Bg7 9. Bb2 Nbd7 10. O-O b6
1967 Sousse Interzonal – Round 2 – Sarapu, Ortvin – 0-1 – Gipslis, Aivars – G13 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. Bd3 g6 7. O-O Bg7 8. N2b3 Nf6 9. c4 O-O 10. Bd2 Nbd7
1967 Sousse Interzonal – Round 6 – Geller, Efim P – 1/2-1/2 – Gipslis, Aivars – G54 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Nf6 6. e5 Nd5 7. Bc4 d6 8. exd6 Nf6 9. O-O Bxd6 10. N2f3 O-O
1967 Szczecin ch POL – Round 13 – Sydor, Andrzej – 0-1 – Doda, Zbigniew – G60 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. Bd3 Nf6 7. c4 g6 8. O-O Bg7 9. b3 O-O 10. Bb2 Nbd7
1968 Corr – Round 1 – Ditt, Egon – 1-0 – Gipslis, Aivars – G15 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Nf6 6. e5 Nd5 7. Bd3 Qc7 8. O-O Qxe5 9. Nf5 Qc7 10. Re1 Ne7
1968 GDR Ch – Round 6 – Vogt, Lothar – 1/2-1/2 – Brameyer, Hermann – G5 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Qc7 6. Bd3 Nf6 7. O-O Be7 8. Qe2 d6 9. c4 Nc6 10. Nxc6 bxc6
1968 GDR Ch – Round 7 – Packroff, Hermann – 1/2-1/2 – Schoeneberg, Manfred – G6 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Qc7 6. Bd3 Nf6 7. O-O d5 8. c4 dxc4 9. Nxc4 b5 10. Nd2 Bb7
1968 Hungary – Round 1 – Pogats, Jozsef Jr. – 1/2-1/2 – Barcza, Gedeon – G86 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. Bd3 Bd7 7. O-O Nc6 8. N2b3 Nf6 9. f4 Qc7 10. Kh1 Be7
1968 Varna – Round 1 – Sakharov, Yuri G. – 1-0 – Popov, Luben – G7 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. Bd3 Nf6 7. O-O b6 8. b4 Bb7 9. Bb2 g6 10. Qe2 Bg7
1969 Hoogovens-B – Round 4 – Hartoch, Robert G – 1/2-1/2 – Gaprindashvili, Nona – G23 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 d6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. b3 Qc7 10. Bb2 Bd7
1969 Lublin – Round 1 – Sydor, Andrzej – 0-1 – Gipslis, Aivars – G5 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Nf6 6. e5 Nd5 7. Bd3 Qc7 8. O-O Qxe5 9. Nf5 Qc7 10. Re1 Ne7
1969 POL Ch 26th – Round 9 – Sydor, Andrzej – 1/2-1/2 – Manasterski, Lutoslaw – G41 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nd2 Nc6 6. Nxc6 dxc6 7. Bd3 Bd6 8. Qe2 e5 9. O-O Be6 10. Bc4 Qe7
1969 Schwerin – Round 6 – Heintze, Marion – 0-1 – Nowarra, Waltraud – G55 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a3 Nf6 6. Nc3 Qc7 7. Bd3 b5 8. Nb3 Bb7 9. f3 Nc6 10. Be3 Ne5
1971 Moscow – Round ? – Lein, Anatoly – 1/2-1/2 – Kotkov, Yuri – G143 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Nxc6 dxc6 9. e5 Nd7 10. f4 b5
1975 Torneo Internazionale – Round 8 – Musolino, Paolo – 0-1 – Martorelli, Antonio – G5 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Nf3 d5 9. exd5 exd5 10. O-O d4
1975 URS Team Ch – Round 3 – Vardanyan, Marlena – 1-0 – Ozola, A. – G294 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qd3 Qc7 8. Bd2 Nc6 9. f4 Nxd4 10. Qxd4 Bc5
FIDE World Cup 2025 – Round R2 Classical 1 – Van Foreest Jorden – 1/2-1/2 – Suleymenov Alisher – G240 1. Nf3 d5 2. g3 g6 3. c4 dxc4 4. Na3 Bg7 5. Nxc4 Nc6 6. d3 e5 7. Bd2 a5 8. Bg2 Nge7 9. Bc3 f6 10. O-O O-O
Lindores Abbey Tal Memorial 2021 – Round 13.5 – Paravyan, David – 0-1 – Svidler, Peter – G585 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a3 Nf6 6. Nc3 Qc7 7. f4 d6 8. Be3 b5 9. g4 Bb7 10. Bg2 h6
World Rapid 2019 – Round 14.28 – Paravyan, David – 1/2-1/2 – Bocharov, Dmitry – G899 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a3 Nf6 6. Nc3 Qc7 7. f4 d6 8. g4 d5 9. e5 Nfd7 10. Be3 Nc6

B41a — Kan (Paulsen)

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

Eval: [+0.44]

Les coups candidats

5.Bd3 — 39.2% (40090 parties) →

Ambassadeurs : Miezis, Normunds (211x), Gheorghiu, Florin (124x), Velikov, Petar (92x), Adamski, Jan (79x), Rimkus, Bronius I (79x), Korneev, Oleg (78x), Sax, Gyula (76x), Ionescu, Constantin (73x)

5.Nc3 — 37.1% (37923 parties) →

Ambassadeurs : Miezis, Normunds (127x), Velikov, Petar (85x), Kveinys, Aloyzas (82x), Van Riemsdijk, Herman C. (61x), ? (60x), Gheorghiu, Florin (53x), Portisch, Lajos (53x), Adamski, Jan (49x)

5.c4 — 13.9% (14166 parties) →

Ambassadeurs : Miezis, Normunds (77x), Kovacevic, Slobodan (28x), Ninov, Nikolai (26x), Velimirovic, Dragoljub (24x), Gheorghiu, Florin (24x), Zambrana, Osvaldo (22x), ? (22x), Bilguun, Sumiya (21x)

5.Be2 — 3.8% (3867 parties) →

Ambassadeurs : Fedorchuk, Sergey A. (29x), Miezis, Normunds (19x), Daulyte-Cornette, Deimante (17x), Andrijevic, Milan (17x), Ricardi, Pablo (14x), Heberla, Bartlomiej (14x), Van den Doel, Erik (13x), Kravtsiv, Martyn (13x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Bd3	5.Nc3	5.c4	5.Be2
<1800	3238	24%	44%	14%	5%
1800-2200	34670	35%	37%	16%	4%
2200-2600	46600	47%	34%	13%	3%
2600+	1435	51%	27%	15%	5%

Évolution par décennie (% des parties)

Décennie	N parties	5.Bd3	5.Nc3	5.c4	5.Be2
1850s	2	50%	—	—	—
1870s	3	67%	—	—	33%
1880s	4	25%	75%	—	—
1890s	4	25%	—	—	50%
1900s	16	12%	25%	—	38%
1910s	18	11%	39%	6%	33%
1920s	88	12%	30%	18%	22%
1930s	16	—	12%	75%	12%
1940s	5	20%	20%	40%	20%
1950s	528	6%	51%	29%	6%
1960s	2309	25%	52%	9%	3%
1970s	2808	41%	41%	11%	2%
1980s	3793	48%	34%	11%	3%
1990s	13747	42%	38%	9%	4%
2000s	33398	40%	38%	11%	4%
2010s	37473	38%	37%	16%	4%
2020s	7969	39%	27%	26%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Bd3	38%	39%	▲ +1.0%
5.Nc3	37%	27%	▼ -10.1%
5.c4	16%	26%	▲ +9.9%
5.Be2	4%	2%	▼ -1.7%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Ju, Wenjun — 9 parties
Karpov, Aleksandr — 8 parties
Alekhine, Alexander — 3 parties
Euwe, Max — 2 parties
Botvinnik, Mikhail — 2 parties
Lasker, Emanuel — 1 partie
Fischer, Robert James — 1 partie
Gukesh D — 1 partie

Parties historiques

5.Bd3 — 39.2% (40090 parties)

1859 — Suhle, Berthold vs Anderssen, Adolf — 0-1 — Cologne GER
1873 — Adolf, Feraydo vs Anderssen, Adolf — 0-1 — Vienna AUT
1876 — Mason, James vs Barbour, LD. — 1-0 — Philadelphia, PA USA
1889 — Olland, Adolf George vs Prange Harrer, Jacob — 1-0 — Amsterdam NED
1892 — Porges, Moritz vs Paulsen, Wilfried — 1-0 — Dresden GER

5.Nc3 — 37.1% (37923 parties)

1883 — Leffmann, Karl vs Von Bardeleben, Curt — 0-1 — Nuerenberg GER
1885 — Noa, Joseph vs Paulsen, Wilfried — 1-0 — Hamburg GER
1885 — Gottschall, Hermann vs Paulsen, Wilfried — 0-1 — Hamburg GER
1902 — Pillsbury, Harry vs Decreton Keller, Henrique — 1-0 — Cologne GER
1904 — Forgacs, Leo vs Von Gottschall, Hermann — 1/2-1/2 — Coburg

5.c4 — 13.9% (14166 parties)

1914 — Reti, Richard vs Tartakower, Savielly — 1-0 — Mannheim GER
1920 — Weenink, Henri vs De Brie, Gerardus — 1-0 — NED
1922 — Hromadka, Karel vs Tarrasch, Siegbert — 1-0 — Bad Pistyan CZE
1922 — Spielmann, Rudolf vs Tartakower, Savielly — 1/2-1/2 — Teplitz-Schoenau GER
1922 — Opocensky, Karel vs Saemisch, Friedrich — 1/2-1/2 — Bad Pistyan CZE

5.Be2 — 3.8% (3867 parties)

1873 — Meitner, Philipp vs Anderssen, Adolf — 0-1 — Vienna AUT
1892 — Blackburne, Joseph vs Paulsen, Wilfried — 1-0 — Dresden GER
1898 — Lasker, Emanuel vs ? — 1-0 — Switzerland
1900 — Passmore, S. vs Jones, Edward O — 1/2-1/2 — London ENG
1904 — D Marco, Gianni vs Schlechter, Carl — 1/2-1/2 — Cambridge Springs

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