Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→a3, f2→g3, h2→g3	—
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● d4 (3v1), ● d5 (2v1)
Cases faibles	—	—
Centre	● e4 (1v0)	● d4 (3v1), ● d5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Ok (mob. 2)
Be7		● Be7 Actif (mob. 8)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	3 (● c8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Au centre !
Droits de roque	—	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● d2-d4	—

A29v — English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.a3

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.a3 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Blancs s'appuient sur la colonne semi-ouverte c.

Côté adverse. Le roi resté au centre.

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

Plans. b4 (Expansion aile dame — 56 % des parties) ; d3 (Solidifier le centre — 41 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Mettre le roi à l'abri (...O-O dans 54 % des parties).

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile dame (3 contre 2), un contrôle dominant de d4 et d5, un fou actif en e7 et la colonne semi-ouverte d.

Côté adverse. Un mauvais fou en c1.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le fou c8 et les tours a8 et h8).

Plans. ...O-O (Mettre le roi en sécurité, connecter les tours — 54 % des parties) ; ...a5 (22 % des parties) ; ...Be6 (Fou actif (mobilité 9), Développer c8 — 18 % des parties) ; ...f5 (Attaque à l'aile roi — 5 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
19. European Teams 2013 – Round 3.5 – Socko, Bartosz – 0-1 – Mamedyarov, Shakhriyar – G113 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 Nd4
1907 Ostende II – Round 21 – Bernstein, Olivia – 1-0 – Metger, Johannes – G245 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. Bg2 Nb6 7. O-O Be7 8. a3 Be6 9. d3 O-O 10. b4 f6
1938 Praag ch CZE – Round 1 – Zita, Frantisek – 1-0 – Zinner, Emil – G1 1. c4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 a5 9. d3 Be6 10. Be3 Nd5
1946 Hungary – Round 1 – Bakonyi, Elek – 1-0 – Füster, Géza – G2 1. c4 Nf6 2. g3 e5 3. Nc3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 f6
1949 AUT-CSR Vienna AUT – Round 2 – Filip, Miroslav – 1-0 – Kopetzky, Karl – G8 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 a5 9. d3 Be6 10. Be3 Nd5
1955 URS Ch sf – Round 1 – Taimanov, Mark E – 1-0 – Kan, Ilya A – G1 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 a5 9. d3 O-O 10. Be3 Bg4
1956 Moscow olm prel – Round 3 – Botvinnik, Mikhail – 1-0 – Benkner, Otto – G74 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 O-O 9. b4 a6 10. d3 Be6
1957 HUN Ch Budapest HUN – Round ? – Benko, Pal – 1/2-1/2 – Bely, Miklos – G5 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 Be6 9. d3 O-O 10. b4 Nd4
1959 Hastings5960 – Round 3 – Bobotsov, Milko G – 1-0 – Heemsoth, Hermann – G10 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 a5 9. d3 O-O 10. Be3 Be6
1960 EU-Cup Gr2 – Round 2.1 – Schmid, Lothar – 1/2-1/2 – Salo, Toivo – G10 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 a5 9. d3 O-O 10. Be3 Be6
1961 Bled – Round 1 – Olafsson, Fridrik – 1-0 – Donner, Jan-Hein – G3 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 f5 9. d3 Bf6 10. e4 O-O
1961 Bled – Round 13 – Olafsson, Fridrik – 1-0 – Donner, Jan-Hein – G117 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 f5 9. d3 Bf6 10. e4 O-O
1961 Palanga Baltic Ch – Round ? – Peterson, Andrejs – 1/2-1/2 – Ludolph, Jaan – G3 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 a5 9. d3 O-O 10. Be3 f5
1962 Stockholm int. turneringen – Round 1 – Botvinnik, Mikhail – 1-0 – Lundin, Erik – G1 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 Be6 9. d3 f5 10. b4 Bf6
1963 New York ch-USA – Round 6 – Reshevsky, Samuel – 1-0 – Addison, Wiliam G – G26 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 f5 9. d3 Bf6 10. Nd2 h5
1963 Stevenson Memorial 11th – Round 5 – Collins, Richard Arnold – 1/2-1/2 – Collins, Peter M – G7 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 a5 9. d3 O-O 10. Be3 Be6
1963 URS Team Ch – Round ? – Roizman, Abram Y – 1-0 – Lomaya, Teimuraz – G49 1. g3 e5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 a5 9. d3 f6 10. Be3 Nd4
1965 Leipzig Inter-1 – Round 5 – Kavalek, Lubomir – 1/2-1/2 – Malich, Burkhard, Dr. – G8 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 a5 9. d3 O-O 10. Be3 Bg4
1965 SWE Ch – Round 14 – Jansson, Borje – 1/2-1/2 – Akvist, Hakan – G45 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 a5 9. d3 Be6 10. Be3 O-O
1965 WchT U26 12. fin-A – Round 2 – Enklaar Bertus Franz – 0-1 – Kavalek, Lubomir – G6 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 a5 9. b3 Be6 10. d3 O-O
1966 Hoogovens – Round 9 – Filip, Marius Liviu – 1/2-1/2 – Lehmann, Heinz – G41 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 a5 9. d3 Be6 10. Be3 Nd5
1966 Le Havre – Round 1 – Roos, Michel – 1/2-1/2 – Rolland, Pierre – G4 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 a5 9. d3 Be6 10. Be3 O-O
1967 Sarajevo – Round 2 – Benko, Pal – 1-0 – Dueckstein, Andreas – G15 1. g3 e5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 f5
1967 URS Team Ch – Round 1 – Nikolaevsky, Yuri V – 1/2-1/2 – Lein, Andreas – G12 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 a5 9. d3 O-O 10. Be3 f5
1968 Skopje/Ohrid – Round 12 – Sofrevski, Jovan – 0-1 – Wade, Robert G – G94 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 O-O 9. d3 Re8 10. b4 Nd4
1968 Skopje/Ohrid – Round 19 – Gheorghiu, Florin – 1-0 – Wade, Robert G – G155 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Bf5 10. d3 Bf6
1968 SWE Ch – Round 10 – Jansson, Borje – 1-0 – Litsberger, Rune – G32 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 Be6 9. d3 f5 10. Be3 O-O
1968 USA Open – Round 1 – Larsen, Benjamin Holsko – 1-0 – Acers, Jude – G2 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 a5 9. d3 Be6 10. Be3 Nd5
1969 Stary Smokovec – Round 10 – Lehmann, Heinz – 1-0 – Cibulka, Vladimir – G39 1. g3 e5 2. c4 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 a5 9. d3 Be6 10. Be3 Nd5
1971 Moscow – Round 11 – Uhlmann, Wolfgang – 1-0 – Korchnoi, Viktor – G17 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 a5 9. d3 O-O 10. Be3 Bg4
1971 Moscow – Round 11 – Uhlmann, Wolfgang – 1-0 – Korchnoi, Viktor – G18 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 a5 9. d3 O-O 10. Be3 Bg4
1989 1er Torneo de Ajedrez Ciudad de Linares – Round 10 – Ivanchuk, Vassily – 1/2-1/2 – Karpov, Anatoly – G54 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Re8
2. Du Te Cup 2018 – Round 6.1 – Ding, Liren – 1/2-1/2 – Giri, Anish – G16 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. d3 Be6 10. Be3 f5
2. Du Te Cup 2018 – Round 8.1 – Ding, Liren – 1-0 – Yu, Yangyi – G22 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Re8 10. Rb1 Bf8
2. FIDE GP 2008 – Round 3 – Navara, David – 1/2-1/2 – Karjakin, Sergey – G14 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
2. London Chess Classic 2010 – Round 6 – McShane, Luke J – 1/2-1/2 – Nakamura, Hikaru – G17 1. g3 e5 2. c4 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 O-O 9. b4 Re8 10. d3 Bf8
2. Norway Chess 2014 – Round 1.4 – Svidler, Peter – 1/2-1/2 – Kramnik, Vladimir – G4 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
20. Amber Rapid 2011 – Round 4 – Kramnik, Vladimir – 1/2-1/2 – Karjakin, Sergey – G9 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 a5
20. Amber Rapid 2011 – Round 8 – Giri, Anish – 1-0 – Karjakin, Sergey – G22 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 a5
20. Amber Rapid 2011 – Round 8 – Giri, Anish – 1-0 – Karjakin, Sergey – G23 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 a5
3. Norway Chess 2015 – Round 3.4 – Aronian, Levon – 1/2-1/2 – Hammer, Jon Ludvig – G14 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. d3 Be6 10. Be3 Nd5
34. ECC Open 2018 – Round 3.5 – Svidler, Peter – 0-1 – Edouard, Romain – G99 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
4. Sinquefield Cup 2016 – Round 7.1 – Svidler, Peter – 1/2-1/2 – So, Wesley – G31 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Nb6 7. Nc3 Be7 8. a3 O-O 9. b4 Be6 10. d3 a5
40. Olympiad Open 2012 – Round 6.8 – Dvirnyy, Danyyil – 1/2-1/2 – Howell, David W L – G390 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 a5
42. Olympiad 2016 – Round 11.6 – Short, Nigel D – 1/2-1/2 – Cruz, Cristhian – G807 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 f6
43. Olympiad 2018 – Round 9.37 – Bareev, Evgeny – 1-0 – Zulkipli, Zaidan – G604 1. g3 Nf6 2. Bg2 e5 3. c4 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 Nd4
6. World Blitz 2010 – Round 11.1 – Svidler, Peter – 0-1 – Carlsen, Magnus – G68 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Re8 10. d3 Bf8
6. World Blitz 2010 – Round 19.1 – Grischuk, Alexander – 0-1 – Carlsen, Magnus – G131 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Be7 7. Nc3 Nb6 8. a3 O-O 9. b4 Re8 10. Bb2 Bf8
6. World Blitz 2010 – Round 3.9 – Grischuk, Alexander – 1-0 – Gelfand, Boris – G18 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 Nd4
64. ch-RUS 2011 – Round 7 – Nepomniachtchi, Ian – 1/2-1/2 – Karjakin, Sergey – G20 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 a5
74. Tata Steel GMA 2012 – Round 1 – Navara, David – 1/2-1/2 – Topalov, Veselin – G2 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
Amber Blindfold 2002 – Round 4 – Ljubojevic, Ljubomir – 1/2-1/2 – Ivanchuk, Vasyl – G5 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 e5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 Be6 9. b4 f6 10. d3 O-O
Amber Rapid 2008 – Round 2 – Aronian, Levon – 1-0 – Karjakin, Sergey – G8 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
Amber Rapid 2008 – Round 2 – Leko, Peter – 0-1 – Kramnik, Vladimir – G7 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
Amber-blindfold 17th 2008 – Round 5 – Van Wely, Loek – 1/2-1/2 – Karjakin, Sergey – G8 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
Amber-blindfold 20th 2011 – Round 7 – Aronian, Levon – 1-0 – Gelfand, Boris – G20 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
Biel Interzonal 1993 – Round 5 – Lautier, Joel – 1/2-1/2 – Wolff, Patrick G – G105 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Re8 10. Rb1 Bf8
Biel Interzonal 1993 – Round 8 – Seirawan, Yasser – 1-0 – Gurevich, Mikhail – G172 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
Bugojno 1982 – Round 1 – Polugaevsky, Lev – 1-0 – Huebner, Robert – G3 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 a5 9. d3 O-O 10. Be3 Be6
Corus A 2007 – Round 3 – Van Wely, Loek – 1/2-1/2 – Motylev, Alexander – G14 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 Be6 9. d3 f5 10. b4 Bf6
Corus A 2010 – Round 5 – Van Wely, Loek – 0-1 – Shirov, Alexei – G28 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 g5 9. d3 g4 10. Nd2 h5
Cote d'Ivoire Blitz 2019 – Round 4.3 – Carlsen, Magnus – 1-0 – Topalov, Veselin – G18 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 Be6 9. b4 O-O 10. Rb1 f6
Cote d'Ivoire Rapid 2019 – Round 9.3 – Nepomniachtchi, Ian – 0-1 – Nakamura, Hikaru – G43 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. d3 Be6 10. b4 a5
FIDE Candidates 2016 – Round 12.1 – Svidler, Peter – 1/2-1/2 – Giri, Anish – G45 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
FIDE GP 2008 – Round 8 – Carlsen, Magnus – 1/2-1/2 – Cheparinov, Ivan – G49 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 f6
FIDE GP Beijing 2013 – Round 5.6 – Grischuk, Alexander – 1-0 – Mamedyarov, Shakhriyar – G27 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. d3 Be6 10. Be3 Nd5
FIDE Grand Swiss 2025 – Round 7 – Mendonca Leon Luke – 0-1 – Yu Yangyi – G362 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Re8 10. d3 Bf8
FIDE WCh KO 2000 – Round 5.4 – Bareev, Evgeny – 1/2-1/2 – Shirov, Alexei – G123 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Nb6 7. Nc3 Be7 8. a3 Be6 9. b4 Nd4 10. Rb1 Nxf3+
FIDE World Cup 2015 – Round 2.1 – Nepomniachtchi, Ian – 1/2-1/2 – Fressinet, Laurent – G205 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 a5
FIDE World Cup 2025 – Round R1 Blitz 1 – Yu Yangyi – 1-0 – Thavandiran Shiyam – G211 1. d4 d5 2. Nf3 e6 3. Bf4 Nf6 4. e3 c5 5. Nbd2 Nc6 6. c3 Bd6 7. Bg3 O-O 8. Bd3 g6 9. Qe2 Nh5 10. Bh4 Qc7
Interpolis 1984 – Round 1 – Huebner, Robert – 1/2-1/2 – Ljubojevic, Ljubomir – G3 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
Interpolis 1984 – Round 1 – Miles, Anthony J – 1-0 – Timman, Jan H – G4 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 Be6 9. d3 O-O 10. b4 f6
Interpolis 1993 – Round 2 – Timman, Jan H – 1-0 – Petursson, Magnus V. – G71 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Re8 10. d3 Bf8
Linares 1985 – Round 1 – Adorjan, Andras – 1/2-1/2 – Huebner, Robert – G4 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
Linares 1985 – Round 1 – Huebner, Robert – 1-0 – Vaganian, Rafael A – G5 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 a6
Linares 1985 – Round 1 – Miles, Anthony J – 1/2-1/2 – Huebner, Robert – G3 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 Nd4
Manila Interzonal 1990 – Round 4 – Georgiev, Kiril – 1/2-1/2 – Gelfand, Boris – G57 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Re8 10. Rb1 Bf8
Mar del Plata 1982 – Round 1 – Larsen, Bent – 1/2-1/2 – Franco, Z. – G15 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 a6 10. d3 Be6
Melody Amber, Blindfold, Monaco 1995 – Round 8 – Lautier, Joel – 1-0 – Kamsky, Gata – G28 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
Moskou ch-URS 1988 – Round 1 – Kasparov, Garry – 1/2-1/2 – Sokolov, Andrei – G5 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 Be6 9. d3 O-O 10. b4 Nd4
Moskou ch-URS 1988 – Round 14 – Kasparov, Garry – 1-0 – Salov, Valery – G87 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 Be6 9. d3 O-O 10. b4 Nd4
Munchen 1993 – Round 2 – Lobron, Eric – 0-1 – Bareev, Evgeny – G6 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 f6
Novi Sad olm 1990 – Round 14 – Hjartarson, Johann – 0-1 – Bareev, Evgeny – G93 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
Pearl Spring 2008 – Round 10 – Aronian, Levon – 1/2-1/2 – Svidler, Peter – G23 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
RUS vs. ROW 2002 – Round 7 – Bareev, Evgeny – 1/2-1/2 – Ponomariov, Ruslan – G50 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
Saint Louis Blitz 2017 – Round 4.3 – Aronian, Levon – 1/2-1/2 – Karjakin, Sergey – G18 1. c4 Nf6 2. g3 e5 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 a5
Saint Louis Blitz 2022 – Round 18.3 – Shankland, Sam – 1/2-1/2 – Vachier-Lagrave, Maxime – G88 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Nb6 7. Nc3 Be7 8. a3 O-O 9. d3 Be6 10. Be3 Nd5
Sinquefield Cup 2025 – Round 7 – Vachier-Lagrave Maxime – 1/2-1/2 – Samuel Sevian – G32 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
Sparkassen sf playoff 2002 – Round 1 – Bareev, Evgeny – 1/2-1/2 – Topalov, Veselin – G1 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
SuperGM 2002 – Round 5 – Vallejo Pons, Francisco – 1/2-1/2 – Ponomariov, Ruslan – G8 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
Supreme Masters 2013 – Round 3.4 – Svidler, Peter – 1/2-1/2 – Aronian, Levon – G14 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
Tal Memorial 8th 2013 – Round 5.5 – Kramnik, Vladimir – 1/2-1/2 – Karjakin, Sergey – G6 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. d3 Be6 10. Be3 Nd5
Tal Memorial Blitz 2008 – Round 11 – Carlsen, Magnus – 0-1 – Karjakin, Sergey – G89 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Be7 7. Nc3 Nb6 8. a3 O-O 9. d3 Be6 10. Rb1 a5
Tata Steel India Blitz 2018 – Round 9.2 – Vidit, Santosh Gujrathi – 1/2-1/2 – Harikrishna, Pentala – G42 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. d3 Be6 10. Be3 Nd5
Tata Steel India Blitz 2019 – Round 4.4 – Ding, Liren – 1/2-1/2 – Nakamura, Hikaru – G19 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. b5 Nd4
Thessaloniki olm 1988 – Round 11.1 – Portisch, Lajos – 1-0 – Ljubojevic, Ljubomir – G101 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 Be6 9. b4 Nd4 10. Rb1 Nxf3+
Vugar Gashimov Mem 2018 – Round 8.3 – Giri, Anish – 0-1 – Carlsen, Magnus – G38 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 a5 9. d3 O-O 10. Be3 Be6
World Blitz 2009 – Round 34 – Gelfand, Boris – 1-0 – Kosteniuk, Alexandra – G347 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 Be6 9. b4 a5 10. b5 Nd4
World Blitz 2015 – Round 19.27 – Swiercz, Dariusz – 0-1 – Ponkratov, Pavel – G1178 1. c4 Nf6 2. g3 e5 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 g5 9. d3 g4 10. Nd2 h5
World Blitz 2016 – Round 15.4 – Dubov, Daniil – 1/2-1/2 – Vachier-Lagrave, Maxime – G612 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Re8 10. d3 Bf8
World Blitz 2016 – Round 19.4 – Dubov, Daniil – 1/2-1/2 – Korobov, Anton – G764 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 a5
World Blitz 2018 – Round 6.28 – Popov, Valerij – 1/2-1/2 – Harikrishna, Pentala – G351 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
World Blitz 2018 – Round 8.28 – Dubov, Daniil – 1-0 – Kevlishvili, Robby – G474 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Re8 10. d3 Bf8
World Cup 1991 – Round 11 – Ljubojevic, Ljubomir – 1/2-1/2 – Hjartarson, Johann – G77 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 Be6 9. d3 O-O 10. Be3 f5
World Cup 1991 – Round 4 – Salov, Valery – 1/2-1/2 – Khalifman, Alexander – G26 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. d3 Nd4
XXV SuperGM 2008 – Round 8 – Aronian, Levon – 1-0 – Topalov, Veselin – G27 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 Be6 10. Rb1 f6
Zuerich Chess Challenge Blitz 2013 – Round 1.1 – Kramnik, Vladimir – 1-0 – Gelfand, Boris – G1 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. a3 Be6 9. d3 O-O 10. Be3 Nd5
Zurich Chess Challenge 2014 – Round 2.3 – Carlsen, Magnus – 1/2-1/2 – Aronian, Levon – G6 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. d3 Re8 10. b4 Bf8

A29v — Four Knights (1907)

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.a3

Les coups candidats

8…O-O — 78.1% (5807 parties)

Ambassadeurs : Zielinski, Sergej (77x), Portych, Václav (31x), Malinowski, Damian (29x), Coyne, David W. (27x), Gierth, Karlheinz (24x), Thiel, Kay (24x), Almarza Mato, Carlos (22x), Vecek, Marjan (21x)

8…Be6 — 10.0% (744 parties)

Ambassadeurs : Romanishin, Oleg M (17x), Zielinski, Sergej (6x), Popov, Vladimir Valentinovich (5x), Hjartarson, Johann (4x), Hector, Jonny (4x), Geenen, Marc (4x), Figueredo Company, Juan José (4x), Karpov, Anatoly (3x)

8…a5 — 8.7% (649 parties)

Ambassadeurs : Gagunashvili, Merab (3x), Istratescu, Andrei (3x), Kryger, Oksana (3x), Talla, Vladimir (3x), Vernay, Clovis (3x), Morihama, Nicolau (3x), Lehmann, Heinz (2x), Kavalek, Lubomir (2x)

8…g5 — 2.3% (169 parties)

Ambassadeurs : Simon, Holger (3x), Cvetkovic, Srdjan (2x), Fricot, Frederic (2x), Van den Heever, Donovan (2x), Overton, David J (2x), Ali Marandi, Cemil Can (2x), Bal, Enes Emre (2x), Jakobsen, Ole (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…O-O	8…Be6	8…a5	8…g5
<1800	351	77%	11%	8%	3%
1800-2200	2998	78%	10%	9%	2%
2200-2600	3177	79%	9%	9%	2%
2600+	203	81%	11%	5%	2%

Évolution par décennie (% des parties)

Décennie	N parties	8…O-O	8…Be6	8…a5	8…g5
1950s	9	44%	22%	22%	—
1960s	36	22%	14%	50%	—
1970s	37	27%	22%	35%	—
1980s	217	59%	19%	18%	0%
1990s	758	72%	16%	9%	1%
2000s	1316	77%	10%	7%	4%
2010s	4131	81%	9%	7%	2%
2020s	929	81%	7%	11%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…O-O	81%	81%	-0.3%
8…Be6	9%	7%	▼ -2.1%
8…a5	7%	11%	▲ +3.8%
8…g5	2%	1%	▼ -1.2%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 9 parties
Carlsen, Magnus — 9 parties
Kasparov, Garry — 5 parties
Ding, Liren — 5 parties
Karpov, Anatoly — 4 parties
Botvinnik, Mikhail — 3 parties
Ju, Wenjun — 3 parties
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Hou, Yifan — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

8…O-O — 78.1% (5807 parties)

1956 — Botvinnik, Mikhail vs Benkner, Otto — 1-0 — Moskou olm
1956 — Johannsson, Ingi R vs Limbos, Paul — 1/2-1/2 — Moskou olm
1957 — Roos, Michel vs Moindrot, M — 1/2-1/2 — France 22ch corr
1958 — Roos, Michel vs Blacher, Fernand — 1-0 — France 23ch corr
1962 — Petrosian, Tigran A. vs Skold, Kristian — 1-0 — Varna BUL

8…Be6 — 10.0% (744 parties)

1957 — Benko, Pal vs Bely, Miklos — 1/2-1/2 — HUN-ch Budapest HUN
1959 — Ragozin, Viacheslav vs Balogh, Janos — 1-0 — cr.
1962 — Botvinnik, Mikhail vs Lundin, Erik — 1-0 — Stockholm SWE
1964 — Andersen, Borge vs Jakobsen, Ole — 1-0 — Copenhagen DEN
1964 — Zietz, Leni vs Gudat, Alfons — 1-0 — D Mkl corr

8…a5 — 8.7% (649 parties)

1954 — Taimanov, Mark vs Kan, Ilya A — 1-0 — Leningrad RUS
1959 — Bobotsov, Milko G vs Heemsoth, Hermann — 1-0 — Hastings ENG
1960 — Schmid, Lothar vs Salo, Toivo — 1/2-1/2 — Stockholm SWE
1961 — Peterson, Andrejs vs Ludolph, Jaan — 1/2-1/2 — Palanga
1962 — Lagland, Goran M vs Hietanen, Pauli — 1-0 — Finland ch corr

8…g5 — 2.3% (169 parties)

1989 — Jakobsen, Ole vs Fries-Nielsen, Niels Jorgen — 0-1 — Aalborg DEN
1995 — Berend, Fred vs Quadrio, Alexandre — 1/2-1/2 — Linares zt
1996 — Sonnhalter, Walter vs Vetter, Gerhard — 1/2-1/2 — ?
1997 — Johansen, Darryl K vs Manca, Federico — 1-0 — Bolzano op Bolzano ITA
1998 — Petit, Eric-Thierry vs Bouton, Christophe — 0-1 — Clichy FRA

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →