A29m — English: Four Knights, Main Line 6.O-O

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 Bb4 5.Bg2 O-O 6.O-O * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes b5 et d5 et la paire de fous.

Côté adverse. Le fou enfermé en c8.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte d4, un fou actif en b4 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et g2.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...d6 (Libérer Bc8) ; ...Bg4 (Clouer Nf3) ; ...d5 (Rupture) ; ...e4 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (2v1)	● d4 (2v1)
Cases faibles	—	—
Centre	● d5 (2v1)	● d4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Enfermé (mob. 2)
Bb4		● Bb4 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	2 (c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● d2-d3, ● e2-e3	● …d7-d6, ● …d7-d5, ● …e5-e4

Partie
11. Tal Mem Blitz 2018 – Round 11.3 – Dubov, Daniil – 0-1 – Karjakin, Sergey – G73 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O d6 7. d3 Re8 8. Na4 d5 9. cxd5 Nxd5 10. Bg5 f6
1938 USA Ch – Round 1 – Hanauer, Anthony – 0-1 – Reshevsky, Samuel – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. d3 Bxc3 8. bxc3 e4 9. Ng5 exd3 10. exd3 h6
1939 Buenos Aires ol prel-C – Round 3 – De Ronde, Chris – 1-0 – Tautvaisas, Povilas – G8 1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bb4 5. Nf3 O-O 6. O-O Re8 7. Nd5 Nxd5 8. cxd5 Nd4 9. Nxd4 exd4 10. e4 dxe3
1940 Ventnor City – Round 1 – Hanauer, Milton Loeb – 1/2-1/2 – Bernstein, Sidney – G1 1. c4 Nf6 2. Nc3 e5 3. g3 Nc6 4. Bg2 Bb4 5. Nf3 O-O 6. O-O Re8 7. Nd5 d6 8. d3 Nxd5 9. cxd5 Ne7 10. e4 c6
1949 BUL Ch – Round 11 – Piskov, Kamen Penev – 0-1 – Dimitrov Krastev, Krastjo – G52 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. Nd5 Bf8 8. Nxf6+ Qxf6 9. d3 h6 10. Ne1 Bc5
1959 Candidats Tournament – Round 11 – Petrosian, Tigran V – 1/2-1/2 – Keres, Paul Petrovich – G40 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. d3 h6 8. Nd5 Bf8 9. h3 d6 10. e4 Nd4
1959 Kragujevac ch14-YUG – Round 1 – Bertok, Mario Jr. – 0-1 – Ivkovic, Danijal – G9 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. Nf3 Nc6 6. O-O Re8 7. d3 d6 8. Bg5 Bxc3 9. bxc3 h6 10. Bc1 Nh7
1960 Buenos Aires ch-ARG – Round 8 – Eliskases – 1/2-1/2 – Behrensen, Jorge – G52 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. Nf3 Nc6 6. O-O Re8 7. d3 d6 8. Bd2 Nd4 9. Ne4 Bxd2 10. Nexd2 Bg4
1962 Varna olm – Round 4 – Portisch, Lajos – 1-0 – Filip, Marius Liviu – G154 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. Nd5 Bf8 8. d3 h6 9. b3 Nxd5 10. cxd5 Nd4
1964 Malaga – Round 9 – Lehmann, Heinz – 1/2-1/2 – Ulvestad, Olaf – G41 1. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Bb4 5. Nf3 O-O 6. O-O Re8 7. a3 Bxc3 8. bxc3 e4 9. Nd4 Nxd4 10. cxd4 d5
1965 Aalborg – Round 1 – Hansen, Victor – 1/2-1/2 – Moe, Mogens – G5 1. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Bb4 5. Nf3 O-O 6. O-O Bxc3 7. dxc3 d6 8. Qc2 Be6 9. b3 Qd7 10. Ng5 Bf5
1965 Mar del Plata – Round 13 – Behrensen, Joern – 0-1 – Rossetto, Hector – G99 1. c4 Nc6 2. Nc3 e5 3. g3 Nf6 4. Bg2 Bb4 5. Nf3 O-O 6. O-O Re8 7. Ne1 Bf8 8. d3 d6 9. Bg5 h6 10. Bd2 Bd7
1965 Tallinn ch-URS – Round 1 – Stein, Leon Rico – 1-0 – Lepeshkin, Vladimir – G20 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. d3 a5 8. Nd5 Nxd5 9. cxd5 Nd4 10. Ne1 c6
1966 Hastings6667 – Round 8 – Botvinnik, Mikhail – 1/2-1/2 – Basman, Michael J – G36 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. d3 Bxc3 8. bxc3 e4 9. Nd4 exd3 10. exd3 Nxd4
1966 It II Beverwijk NED – Round 8 – Waltemathe, A. – 0-1 – Ree, Hans – G24 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. Nf3 Nc6 6. O-O Re8 7. d4 exd4 8. Nd5 Be7 9. b3 Nxd5 10. cxd5 Nb4
1966 La Habana olm prel – Round 5 – Greiveldinger, Ernest – 0-1 – Liebert, Heinz – G71 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. d3 Bxc3 8. bxc3 e4 9. Nd2 exd3 10. exd3 d5
1967 Moscow – Round 1 – Petrosian, Tigran A. – 1-0 – Gheorghiu, Florin – G3 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. d3 h6 8. Nd5 Bf8 9. Nxf6+ Qxf6 10. Nd2 d6
1968 Hoogovens – Round 2 – Langeweg, Kick – 1/2-1/2 – Rossolimo, Nicolas – G26 1. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Bb4 5. Nf3 O-O 6. O-O Re8 7. d3 Bxc3 8. bxc3 d6 9. e4 a6 10. Rb1 b5
1969 Rubinstein Memorial – Round 12 – Adamski, Jan – 1/2-1/2 – Sydor, Andrzej – G52 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. d3 d6 8. Nd5 Nxd5 9. cxd5 Ne7 10. a3 Bc5
1969 Wch jr final A – Round 7 – Kaplan, Julio – 0-1 – Urzica, Aurel – G19 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Bxc3 7. bxc3 Re8 8. d3 e4 9. Nd4 d6 10. Nxc6 bxc6
1970 Palma de Mallorca Interzonal – Round 17 – Panno, Oscar – 1/2-1/2 – Portisch, Lajos – G14 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. d3 Bxc3 8. bxc3 e4 9. Ng5 exd3 10. exd3 h6
1972 Skopje ol (Men) fin-A – Round 3 – Jansa, Vlastimil – 1-0 – Bisguier, Arthur B – G43 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O d6 7. d3 Bxc3 8. bxc3 h6 9. e4 Ne7 10. Nh4 g5
1972 Skopje ol (Men) fin-A – Round 3 – Uhlmann, Wolfgang – 1/2-1/2 – Portisch, Lajos – G45 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. Nd5 Nxd5 8. cxd5 Nd4 9. Nxd4 exd4 10. b3 b6
1973 Leningrad Interzonal – Round 10 – Uhlmann, Wolfgang – 1/2-1/2 – Korchnoi, Viktor – G11 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Bxc3 7. bxc3 d6 8. d3 Bd7 9. e4 Kh8 10. Nh4 Ng8
1974 Manila – Round 5 – Pfleger, Helmut, Dr. – 1-0 – Vasiukov, Evgeni – G6 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Bxc3 7. bxc3 d6 8. d3 h6 9. e4 a6 10. a4 b6
1975 Portoroz/Ljubljana – Round 14 – Furman, Slavomir – 1-0 – Osterman, Rudolf – G5 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. Nd5 Bf8 8. d3 h6 9. e4 d6 10. h3 a5
1975 URS Team Ch – Round 1 – Danov, Vladimir – 0-1 – Kuzmin, Gennadi – G19 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. Nd5 Nxd5 8. cxd5 Nd4 9. Nxd4 exd4 10. e4 c6
22. ECU Club Cup 2006 – Round 5 – Minasian, Artashes – 1/2-1/2 – Tkachiev, Vladislav – G108 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. Nf3 Nc6 6. O-O Re8 7. Nd5 Bc5 8. d3 Nxd5 9. cxd5 Nd4 10. Nd2 d6
8. Tal Mem Blitz 2013 – Round 1 – Anand, Viswanathan – 1/2-1/2 – Gelfand, Boris – G1 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O d6 7. d3 h6 8. Nd5 Bc5 9. e3 a6 10. b3 Ba7
Biel Interzonal 1976 – Round 12 – Rogoff, Kenneth – 0-1 – Portisch, Lajos – G55 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. Nd5 Nxd5 8. cxd5 Nd4 9. d3 Nxf3+ 10. Bxf3 Bc5
Cote d'Ivoire Blitz 2019 – Round 8.3 – Vachier-Lagrave, Maxime – 1/2-1/2 – Karjakin, Sergey – G38 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O d6 7. d3 h6 8. h3 a6 9. Na4 Re8 10. Be3 d5
FIDE Candidates 2016 – Round 10.1 – Svidler, Peter – 1/2-1/2 – Nakamura, Hikaru – G37 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O d6 7. d3 h6 8. Na4 a5 9. b3 Re8 10. Bb2 Bf5
FIDE Candidates 2016 – Round 10.4 – Aronian, Levon – 1/2-1/2 – Topalov, Veselin – G40 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O d6 7. d3 h6 8. Na4 a5 9. b3 Qe7 10. Bb2 Bc5
FIDE Candidates 2016 – Round 14.1 – Svidler, Peter – 1/2-1/2 – Anand, Viswanathan – G53 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. Ne1 d6 8. Nc2 Bc5 9. Rb1 a5 10. a3 Be6
FIDE World Cup 2017 – Round 1.1 – Nepomniachtchi, Ian – 1/2-1/2 – Palac, Mladen – G7 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O d6 7. d3 Re8 8. Bg5 Bxc3 9. bxc3 h6 10. Bh4 Rb8
FIDE World Cup 2017 – Round 1.6 – Nepomniachtchi, Ian – 1-0 – Palac, Mladen – G178 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O d6 7. d3 Re8 8. Na4 d5 9. cxd5 Nxd5 10. Bg5 Qd7
Geneve Credit Suisse 1996 – Round 4.3 – Kasparov, Garry – 1/2-1/2 – Anand, Viswanathan – G10 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. d3 Bxc3 8. bxc3 e4 9. dxe4 Nxe4 10. Qc2 d6
Hoogovens 1999 – Round 3 – Kasimdzhanov, Rustam – 1/2-1/2 – Sokolov, Ivan. – G13 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. Nd5 Bf8 8. d3 h6 9. Nxf6+ Qxf6 10. Nd2 d6
Horgen CS 1994 – Round 8 – Gavrikov, Viktor – 1/2-1/2 – Lutz, Christopher – G31 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Bxc3 7. bxc3 Re8 8. Qc2 e4 9. Nd4 Ne5 10. d3 c5
Linares 1991 – Round 8 – Gurevich, Mikhail – 1/2-1/2 – Salov, Valery – G16 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Bxc3 7. bxc3 Re8 8. d3 e4 9. Nd4 exd3 10. exd3 h6
Palma De Mallorca GP 2017 – Round 6.9 – Gelfand, Boris – 0-1 – Inarkiev, Ernesto – G54 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O d6 7. d3 Re8 8. Nd5 Nxd5 9. cxd5 Ne7 10. a3 Ba5
PCA, Tal Memorial 1995 – Round 8 – Gulko, Boris – 1/2-1/2 – Short, Nigel D – G15 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O d6 7. d3 h6 8. Bd2 a5 9. a3 Bc5 10. Na4 Re8
Saint Louis Blitz 2017 – Round 15.3 – Nepomniachtchi, Ian – 0-1 – Aronian, Levon – G73 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O d6 7. d3 h6 8. Bd2 a5 9. Rc1 Re8 10. a3 Bc5
Smyslov Region Group Cup 2021 – Round 3.10 – Potkin, Vladimir – 1/2-1/2 – Karpov, Anatoly – G22 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. d3 Bxc3 8. bxc3 e4 9. Nd4 h6 10. Bf4 d6
SportAccord Basque Men 2013 – Round 1.2 – Kamsky, Gata – 1-0 – Wang, Yue(SH) – G8 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 O-O 5. Nf3 Nc6 6. O-O Re8 7. d3 Bxc3 8. bxc3 e4 9. Nd4 exd3 10. exd3 Nxd4
Superbet Blitz 2019 – Round 12.5 – Artemiev, Vladislav – 1/2-1/2 – Mamedyarov, Shakhriyar – G60 1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 O-O 5. Nf3 Nc6 6. O-O Re8 7. Ne1 d6 8. Nc2 a5 9. d3 Bc5 10. Rb1 h6
Turin ol (Men) 37th 2006 – Round 10 – Ivanchuk, Vasyl – 1/2-1/2 – Kramnik, Vladimir – G123 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Bxc3 7. bxc3 Re8 8. d3 e4 9. Nd4 exd3 10. exd3 h6
USA Ch 2018 – Round 5.3 – Izoria, Zviad – 1/2-1/2 – Akobian, Varuzhan – G27 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O d6 7. Nd5 Bc5 8. e3 Bg4 9. h3 Bh5 10. d3 Nxd5
Vugar Gashimov Mem 2015 – Round 8.3 – So, Wesley – 1/2-1/2 – Carlsen, Magnus – G37 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. Nd5 Nxd5 8. cxd5 Nd4 9. Nxd4 exd4 10. Qa4 a5
World Blitz 2015 – Round 7.13 – Tomashevsky, Evgeny – 1/2-1/2 – Zhigalko, Sergei – G408 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O d6 7. d3 h6 8. Bd2 Bc5 9. Na4 a5 10. e3 Bf5
World Blitz 2016 – Round 12.38 – Agdestein, Simen – 0-1 – Tomashevsky, Evgeny – G491 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Nf3 Nc6 5. Bg2 O-O 6. O-O d6 7. d3 h6 8. Rb1 a5 9. a3 Bc5 10. e3 Bf5
World Blitz 2016 – Round 15.21 – Tomashevsky, Evgeny – 1/2-1/2 – Volokitin, Andrei – G595 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. Nd5 Nxd5 8. cxd5 Nd4 9. b3 Nxf3+ 10. Bxf3 e4
World Blitz 2016 – Round 21.6 – Dubov, Daniil – 1-0 – Wojtaszek, Radoslaw – G845 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O d6 7. d3 Re8 8. Nd5 Nxd5 9. cxd5 Ne7 10. Nd2 c6
World Blitz 2017 – Round 9.26 – Eljanov, Pavel – 0-1 – Kryvoruchko, Yuriy – G463 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O d6 7. d3 Re8 8. Rb1 Bg4 9. h3 Be6 10. Bg5 h6
World Blitz 2018 – Round 3.20 – Svidler, Peter – 1-0 – Tsydypov, Zhamsaran – G153 1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bb4 5. Nf3 O-O 6. O-O Bxc3 7. bxc3 d6 8. Ne1 Ne7 9. Nc2 c6 10. e4 Be6
World Blitz 2019 – Round 2.44 – Inarkiev, Ernesto – 1-0 – Andriasian, Zaven – G116 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 Bb4 5. Bg2 O-O 6. O-O Bxc3 7. bxc3 d6 8. d3 h6 9. e4 Nh7 10. Nh4 Qf6
World Cup 1989 – Round 13 – Ribli, Zoltan – 1/2-1/2 – Sax, Gyula – G75 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Re8 7. d3 Bxc3 8. bxc3 e4 9. Nd4 h6 10. Qc2 exd3
World Rapid 2016 – Round 3.40 – Agdestein, Simen – 1-0 – Neelotpal, Das – G119 1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Nf3 Nc6 5. Bg2 O-O 6. O-O Bxc3 7. bxc3 e4 8. Ng5 Re8 9. f3 exf3 10. Nxf3 d5
World Rapid 2019 – Round 9.70 – Potkin, Vladimir – 1/2-1/2 – Abdusattorov, Nodirbek – G611 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. O-O Bxc3 7. bxc3 d6 8. d3 e4 9. Nd4 exd3 10. exd3 Nxd4

A29m — Four Knights Main Line

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 Bb4 5.Bg2 O-O 6.O-O

Eval: [+0.20]

Les coups candidats

6…e4 — 49.8% (3208 parties) →

Ambassadeurs : Zielinski, Sergej (50x), Belchev, Branimir Petrov (22x), Tsenkov, Ljubomir (19x), Uhlmann, Wolfgang (17x), Farago, Ivan (17x), Naumkin, Igor (16x), Beck, Georges (16x), Chorfi, Khaled (13x)

6…Re8 — 19.6% (1262 parties)

Ambassadeurs : Uhlmann, Wolfgang (11x), Gulko, Boris (6x), Wolter, Uwe (6x), Portisch, Lajos (5x), Garcia Corada, Pedro (5x), Leisebein, Peter (5x), Konjevic, Djordje (5x), Grabher, Heinz (5x)

6…d6 — 19.5% (1258 parties)

Ambassadeurs : Zielinski, Sergej (31x), Popov, Vladimir Valentinovich (14x), Portych, Václav (12x), Morley, Paul (10x), Beck, Georges (8x), Willmann, Bernd (7x), Trs, Jan (6x), Balogh Urbina, Carlos Alfonso (6x)

6…Bxc3 — 9.8% (632 parties)

Ambassadeurs : Beckett, Phillip J (5x), Benko, Pal (4x), Uhlmann, Wolfgang (4x), Adorjan, Andras (4x), Kleinsorgen, Horst (4x), Gulko, Boris (3x), Salov, Valery (3x), Ambroz, Jan (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…e4	6…Re8	6…d6	6…Bxc3
<1800	167	43%	20%	25%	8%
1800-2200	2007	46%	19%	23%	10%
2200-2600	2487	51%	20%	18%	11%
2600+	194	32%	19%	29%	20%

Évolution par décennie (% des parties)

Décennie	N parties	6…e4	6…Re8	6…d6	6…Bxc3
1930s	2	—	100%	—	—
1940s	2	—	100%	—	—
1950s	4	—	75%	—	25%
1960s	27	30%	59%	—	11%
1970s	309	49%	32%	6%	12%
1980s	396	61%	21%	7%	11%
1990s	1066	52%	24%	11%	11%
2000s	1808	53%	21%	14%	10%
2010s	2384	42%	15%	32%	9%
2020s	441	63%	12%	16%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…e4	42%	63%	▲ +20.6%
6…Re8	15%	12%	▼ -3.9%
6…d6	32%	16%	▼ -16.7%
6…Bxc3	9%	7%	▼ -1.5%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 8 parties
Karpov, Aleksandr — 2 parties
Carlsen, Magnus — 2 parties
Ding, Liren — 2 parties
Botvinnik, Mikhail — 1 partie
Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

6…e4 — 49.8% (3208 parties)

1962 — Eliskases, Erich vs Smyslov, Vladimir — 1/2-1/2 — Mar del Plata ARG
1966 — Ujtelky, Maximilian vs Smyslov, Vladimir — 1/2-1/2 — Polanica Zdroj POL
1966 — Sliwa, Bogdan vs Smyslov, Vasily — 0-1 — Polanica Zdroj POL
1966 — Sliwa, Bogdan vs Smyslov, Vladimir — 0-1 — Polanica Zdroj POL
1966 — Nei, Iivo vs Fuchs, Reinhart — 0-1 — Zinnowitz Zinnowitz GER

6…Re8 — 19.6% (1262 parties)

1938 — Hanauer, Anthony vs Reshevsky, Samuel — 0-1 — New York, NY USA
1939 — De Ronde, Chris vs Tautvaisas, Povilas — 1-0 — Buenos Aires ARG
1940 — Hanauer, Milton Loeb vs Bernstein, Sidney — 1/2-1/2 — Ventnor City
1949 — Piskov, Kamen Penev vs Dimitrov Krastev, Krastjo — 0-1 — Sofia BUL
1959 — Petrosian, Tigran V. vs Keres, Paul Petrovich — 1/2-1/2 — Bled/Zagreb/Belgrade

6…d6 — 19.5% (1258 parties)

1970 — Baumbach, Friedrich, Dr. vs Bertrand Walter, Gwendhal — 1-0 — DDR-ch 19th Freiberg
1971 — Wirthensohn, Heinz vs Gereben, Erno — 1/2-1/2 — Muttenz
1972 — Wirthensohn, Heinz vs Gereben, Erno — 0-1 — Basel SUI
1972 — Jansa, Vlastimil vs Bisguier, Arthur B — 1-0 — Skopje MKD
1972 — Suetin, Alexey S vs Zilberstein, Valery I — 1-0 — Kislovodsk

6…Bxc3 — 9.8% (632 parties)

1955 — Filip, Miroslav vs Barta, Jan — 0-1 — Sliac
1965 — Hansen, Victor vs Moe, Mogens — 1/2-1/2 — Aalborg DEN
1965 — Hansen, Victor vs Moe, Mogens — 1/2-1/2 — Aalborg DEN
1969 — Kaplan, Julio vs Urzica, Aurel — 0-1 — Stockholm SWE
1970 — Smejkal, Jan vs Hecht, Hans-Joachim — 1-0 — Siegen olm Siegen GER

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →