A29w — English: Four Knights, 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.d3

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.d3 * ● 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 une majorité de pions à l'centre (2 contre 1), les cases fortes e4 et g5, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Le fou enfermé en c8 et le roi resté au centre.

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

Plans. Be3 (Développer Bc1) ; h3 (Empêcher ...Bg4) ; Tour sur colonne c.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), les cases fortes b4, d4 et d5, un avant-poste en d4, un fou actif en e7, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Les fous enfermés en c1 et g2.

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) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...e4 (Rupture) ; ...f6 (Rupture) ; ...f5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● e2→d3, f2→g3, h2→g3	—
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v0), ● g5 (2v1)	● b4 (2v0), ● d4 (3v1), ● d5 (2v1)
Cases faibles	—	—
Centre	● e4 (2v0)	● d4 (3v1), ● d5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (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	semi-ouvert
Ruptures	● d3-d4, ● e2-e3	● …e5-e4, ● …f7-f6, ● …f7-f5

Partie
? 2000 – Round ? – Barlov, Dragan – 0-1 – Lautier, Joel – G3 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Bg4 10. a4 a6
1934 Bad Liebenwerda – Round 1 – Pitschak, Rudolf – 0-1 – Flohr, Salo – G1 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Bg4 10. h3 Bh5
1935 Warsaw ol Warsaw POL – Round ? – Solin, Ilmari – 0-1 – Lilienthal, Andor – G32 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Bd2 Be6 10. Qc1 Qd7
1935 Warsaw ol Warsaw POL – Round 5 – Keres, Paul Petrovich – 1/2-1/2 – Pirc, Vasja – G7 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Bg4 10. h3 Be6
1936 Dresden – Round 3 – Keres, Paul – 0-1 – Engels, Ludwig – G16 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Bg4 10. h3 Be6
1936 Dresden – Round 9.6 – Keres, Paul Petrovich – 0-1 – Engels, Ludwig – G45 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Bg4 10. h3 Be6
1936 Muenchen ol – Round 16 – Vaitonis, Povilas – 1-0 – Zinner, Emil – G45 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 g5 9. Be3 g4 10. Nd2 h5
1936 URS All-Union YM – Round 13 – Kan, Ilya A – 1/2-1/2 – Chekhover, Vitaly – G14 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. O-O Be6 9. Be3 O-O 10. Rc1 Nd5
1937 Prague – Round 6 – Dobias, Josef – 1-0 – Opocensky, Karel – G30 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. O-O Be6 9. Be3 Nd5 10. Nxd5 Bxd5
1938 Hastings3839 – Round 6 – Szabo, Ladislav – 1-0 – Pirc, Vasja – G24 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Bg4 10. a4 a5
1938 Hastings3839 – Round 8 – Szabo, Laszlo – 1/2-1/2 – Landau, Salo – G33 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. d4 exd4
1938 Margate – Round 3 – Book, Eero – 1-0 – Thomas, George Alan – G14 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. O-O O-O 9. a3 a5 10. Be3 Kh8
1938 New York m ch-USA – Round 5 – Kashdan, Isaac – 1/2-1/2 – Horowitz, Albert Israel – G6 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 f5 10. Na4 Bf6
1939 Buenos Aires ol f-A – Round 15 – Czerniak, Moshe – 0-1 – Alekhine, Alexander – G285 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 f5 10. Na4 f4
1939 Buenos Aires ol prel-A – Round 1 – Holowach, Walter – 0-1 – Wood, Beau – G1 1. c4 e5 2. g3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Rc1 f6
1939 Kemeri / Riga – Round 1 – Ozols, Karlis – 0-1 – Szabo, Ladislav – G11 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Na4 Nd5
1939 Kemeri / Riga – Round 1 – Szabo, Ladislav – 1-0 – Apscheneek, Fricis – G4 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Bf5 10. a4 Bb4
1939 Leningrad/Moscow – Round 16 – Goglidze, Viktor – 0-1 – Reshevsky, Samuel – G13 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. O-O O-O 9. b3 Be6 10. Bb2 f6
1939 olm Buenos Aires – Round ? – Holowach, Walter – 0-1 – Wood, Baruch – G1 1. c4 e5 2. g3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Rc1 f6
1939 Stuttgart – Round 11 – Engels, Ludwig – 1/2-1/2 – Foltys, Jan – G60 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. O-O O-O 9. Be3 Bg4 10. h3 Bh5
1940 Ch URS Moscow RUS – Round 1 – Smyslov, Vladimir – 1/2-1/2 – Lisitsin, Georgy – G1 1. c4 Nf6 2. g3 e5 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. d3 Be7 8. O-O O-O 9. Be3 f5 10. b4 Bf6
1940 New York ch-USA – Round 5 – Hanauer, Milton Loeb – 1/2-1/2 – Shainswit, George – G22 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 f5 10. a4 a5
1940 New York ch-USA – Round 8 – Littman, G. – 0-1 – Reshevsky, Samuel – G39 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. d3 Be7 7. Bg2 Nb6 8. O-O O-O 9. a4 a5 10. Be3 Be6
1940 Ventnor City – Round 8 – Ulvestad, Olaf – 0-1 – Donovan, Jeremiah – G28 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. O-O O-O 9. Be3 Be6 10. Qd2 f5
1941 Krakow/Warsaw – Round 10 – Junge, Klaus – 1-0 – Bluemich, Max – G9 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. d4 exd4
1941 Ventnor City – Round 1 – Santasiere, Anthony – 0-1 – Adams, Weaver – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d3 d5 5. cxd5 Nxd5 6. g3 Nb6 7. Bg2 Be7 8. O-O O-O 9. a4 a5 10. Be3 Kh8
1942 Chocen NT – Round ? – Zita, Frantisek – 1/2-1/2 – Sajtar, Jaroslav – G1 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 f5 10. Na4 f4
1942 Sverdlovsk – Round 11 – Poltoranov – 0-1 – Ragozin, Viacheslav – G52 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 Be6 9. Bd2 f6 10. a3 a5
1945 URS-sf – Round 6 – Aronin, Lev – 1-0 – Poliak, Abram – G22 1. c4 Nf6 2. Nc3 e5 3. d3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Nf3 Nb6 7. Bg2 Be7 8. O-O O-O 9. Be3 Be6 10. Na4 Nd5
1946 Londen I – Round 8 – Peralta Stone, Jaime Arturo – 0-1 – List, Paul – G23 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. a3 Qd7
1946 Pittsburgh Open – Round 1 – Forster, James Connor Christophe – 1/2-1/2 – Adams, Weaver – G103 1. Nf3 Nc6 2. c4 e5 3. Nc3 Nf6 4. d3 d5 5. cxd5 Nxd5 6. g3 Be7 7. Bg2 Nb6 8. O-O O-O 9. Be3 f5 10. Na4 Kh8
1947 NED-CSR – Round 2 – Kottnauer, Cenek – 1/2-1/2 – Cortlever, Nico – G6 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 f5 10. Qc1 Kh8
1947 Nt Essen GER – Round 8 – Heinicke, Herbert – 1-0 – Elsas, Hansgeorg – G15 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. a4 a5 10. Be3 f5
1948 Bad Gastein – Round 19 – Lundin, Erik – 1-0 – Beni, Alfred – G135 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. d3 Be7 7. Bg2 Nb6 8. O-O O-O 9. Be3 Be6 10. Qc1 f6
1948 Bad Gastein – Round 6 – Benko, Pal – 1-0 – Palme, Rudolf – G45 1. g3 e5 2. c4 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Nb6 7. Nc3 Be7 8. d3 O-O 9. Be3 f5 10. Qc1 Bf6
1948 US Open – Round 9 – Donovan, Jeremiah – 1/2-1/2 – Steinmeyer, Robert – G46 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Na4 Nd5
1948 US Open Baltimore, MD USA – Round 2 – Pilnick, Carl – 1-0 – Adams, Weaver – G5 1. Nf3 Nc6 2. c4 e5 3. Nc3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. d3 Be7 7. Bg2 Nb6 8. O-O O-O 9. a4 a5 10. b3 f5
1949 Budapest-Moscow – Round 7 – Benko, Pal – 1/2-1/2 – Flohr, Salo – G48 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. d4 exd4
1949 CAN Ch – Round 8 – Drummond, Redpath – 0-1 – Vaitonis, Povilas – G18 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. d3 Be7 7. Bg2 Nb6 8. O-O O-O 9. Be3 f5 10. Qc1 Bf6
1949 GER Ch 13th – Round 5 – Heinicke, Herbert – 1-0 – Maicherczyk, Georg – G14 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. a4 Be6 10. a5 Nd5
1949 Moskou ch-URS – Round 1 – Mikenas, Vladas – 1/2-1/2 – Flohr, Salo – G12 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. d4 exd4
1949 US Open Omaha – Round 9 – Evans, Larry M – 1/2-1/2 – Donovan, Jeremiah – G14 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. a4 a5 10. Be3 Be6
1950 HUN-ch06 – Round 1 – Szilagyi, Gyorgy Laszlo – 1-0 – Balogh, Janos – G4 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. a4 Nd5
1951 GER Ch 14th – Round 10 – Troeger, Paul – 1-0 – Muth, Rudi – G30 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. O-O O-O 9. Bd2 Be6 10. Ne4 f5
1952 Helsinki olm – Round 1 – Golombek, Harry – 1/2-1/2 – Lokvenc, Josef – G13 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Rc1 Nd5
1952 Ontario Ch – Round 5 – Sarosy, Zoltan L – 1/2-1/2 – Anderson, Frank Ross – G9 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 f5 10. Qc1 Bf6
1953 Bucharest – Round 10 – Filip, Marius Liviu – 1-0 – Barda, Olaf – G94 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 e5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 Be6 9. a3 O-O 10. b4 f5
1953 Hollywood Invitational – Round ? – Rogosin, Hyman – 0-1 – Steiner, Herman – G1 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Bd2 Bg4 10. Rc1 f5
1954 UKR Ch – Round ? – Ousatchi, Mark – 1-0 – Poliak, Evsey – G1 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. O-O O-O 9. Be3 Kh8 10. Qc1 f5
1954 URS Ch, semi final – Round 1 – Suetin, Alexey S – 1/2-1/2 – Flohr, Salo – G2 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Ne4 f5
1955 Hamburg – Round 9 – Castaldi, Vincenzo – 1-0 – Pfeiffer, Gerhard – G67 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Na4 Nd5
1955 HUN Ch 11th – Round ? – Sandor, Bela – 0-1 – Benko, Pal – G1 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Nd2 Qd7
1955 Moscow Ch – Round 2 – Khasin, Abram – 1/2-1/2 – Flohr, Salo – G13 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Qc1 Nd5
1955 Prague tm – Round 4 – Szily, Jozsef – 1-0 – Weiner, Milan – G20 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. O-O O-O 9. Be3 Be6 10. Qc1 f6
1956 Hastings5657 – Round 6 – Clarke, Peter H – 1/2-1/2 – Penrose, Jonathan – G25 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. a3 a5 10. Be3 Be6
1956 Leipzig ch GDR – Round 15 – Golz, Werner – 1/2-1/2 – Kahn, Manfred – G25 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 f5 10. Qc1 Kh8
1956 Moscow olm prel – Round 1 – Alster, Ladislav – 0-1 – Beli, Mark – G1 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 Be6 9. Be3 Nd5 10. Bd2 O-O
1956 Moscow olm prel – Round 8 – Loverdos, Spyridon – 0-1 – Benko, Pal – G245 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. O-O O-O 9. Be3 Bg4 10. h3 Be6
1957 HUN Ch – Round ? – Lengyel, Levente – 1/2-1/2 – Sebestyen, Balazs – G5 1. c4 Nf6 2. g3 e5 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. Nc3 Nb6 7. O-O Be7 8. d3 O-O 9. a4 a6 10. a5 Nd7
1957 Reykjavik – Round 6 – Johannsson, Ingi R – 1/2-1/2 – Benko, Pal – G37 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. b4 Nd4
1957 URS Ch, semi final – Round 3 – Geller, Efim P – 1-0 – Mikenas, Vladas – G23 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3 d5 5. cxd5 Nxd5 6. g3 Be7 7. Bg2 Nb6 8. O-O Be6 9. Be3 Nd5 10. Bd2 O-O
1957 Viborg Jubilee – Round 3 – Nielsen, Axel – 0-1 – Pfeiffer, Gerhard – G4 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Bg4 10. Rc1 f5
1959 Corr – Round 1 – Endzelins, Lucius – 1/2-1/2 – Ragozin, Viacheslav – G3 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. a4 a5 10. Be3 Be6
1959 Wch U20 fin-A – Round 2 – Naranja, Renato – 0-1 – Clemens, Christian, Dr. – G5 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 f5 10. Qc1 Bf6
1960 Corr Golden Knights – Round ? – Zalys, Ignas – 1-0 – Frank, Guy – G2 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Bg4 10. Rc1 Qd7
1960 CSR Ch – Round 7 – Ujtelky, Maximilian – 1-0 – Kupka, Slavoj – G55 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. d3 Be7 7. Bg2 Nb6 8. O-O Be6 9. Be3 O-O 10. Qd2 f6
1960 Leipzig olm fin-C – Round 3 – Naranja, Renato – 0-1 – Dos Santos Goncalves, John David – G10 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 Be6 9. Be3 Nd5 10. Nxd5 Bxd5
1960 URS Ch sf – Round 9 – Polugaevsky, Lev – 1-0 – Flohr, Salo – G66 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 Be6 9. Be3 O-O 10. Na4 e4
1961 CSR Ch – Round 19 – Pachman, Ludek – 1-0 – Altschul, Milos – G174 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. d3 Be7 7. Bg2 Nb6 8. O-O O-O 9. a3 f5 10. b4 Bf6
1961 Graz 1st – Round 7 – Rabar, Braslav – 1/2-1/2 – Rellstab, Ludwig – G18 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Qc1 f5
1961 Zevenaar – Round 12 – Golombek, Harry – 1/2-1/2 – Wade, Robert G – G78 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. O-O O-O 9. Be3 Be6 10. Rc1 Nd5
1962 Capablanca Memorial – Round 10 – Gligoric, Sofija – 1-0 – Acevedo Ortega, Rodrigo Andres – G93 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 f5 10. Qc1 h6
1962 Moscow – Round 1 – Bronstein, David I – 1-0 – Wade, Robert G – G2 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. d3 Be7 8. O-O O-O 9. a3 Re8 10. b4 Nd4
1962 Olympiad Varna BUL – Round 2 – Petrosian, Tigran V – 1-0 – Skjeld, A – G13 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. b4 Nd4
1963 Capablanca Memorial – Round 6 – Wade, Robert G – 1-0 – Acevedo Ortega, Rodrigo Andres – G49 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. b4 f5
1963 Capablanca Memorial – Round 8 – Geller, Efim P – 1-0 – Broderman, Jose – G69 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. a4 Be6 10. a5 Nd5
1963 Sweden – Round 3 – Skold, Kristian – 1-0 – Dahl Schutt, Frederik – G9 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. a3 Bg4 10. h3 Be6
1963 Sweden – Round 7 – Fridh, Anton – 1-0 – Dahl Schutt, Frederik – G22 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. a3 f5
1963 Sweden – Round 7 – Lundin, Erik – 1/2-1/2 – Horberg, Bengt-Eric – G8 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. O-O O-O 9. Be3 Be6 10. Ne4 Bd5
1964 Bordeaux Open – Round 3 – Sanner, Dennis – 1/2-1/2 – Limbos, Paul – G6 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. d3 Be7 7. Nf3 Nc6 8. O-O Be6 9. a3 a5 10. Be3 Nd5
1964 Budapest Ch – Round 1 – Navarovszky, Laszlo – 0-1 – Barczay, Laszlo – G2 1. c4 e5 2. Nc3 Nf6 3. d3 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. g3 Be7 7. Bg2 Nb6 8. O-O O-O 9. Be3 f5 10. b4 Bf6
1964 Magdeburg ch DDR – Round 3 – Moehring, Guenther – 1-0 – Muehlberg, Siegfried – G4 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 Be6 9. Be3 Nd5 10. Bd2 O-O
1964 Moscow Ch – Round ? – Averbakh, Yuri L – 1-0 – Bebchuk, Evgeni – G19 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. a4 a5 10. Be3 Be6
1964 Stevenson Memorial 12th – Round 4 – Broido, Michael M – 1-0 – Collins, Richard Arnold – G9 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. d3 Be7 7. Nf3 Nc6 8. O-O O-O 9. Be3 Be6 10. Qc1 h6
1964 Zuerich-J – Round ? – Pfleger, Helmut, Dr. – 1-0 – Eichhorn, Alfred – G1 1. c4 Nf6 2. Nc3 e5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Bd2 Be6 10. Rc1 f5
1965 Kiel Open – Round 4 – Eising, Johannes – 1-0 – Hinne, Jobst – G18 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. d3 Be7 8. O-O O-O 9. a3 Kh8 10. b4 a6
1966 It Agio – Round 4 – Sandor, Bela – 1/2-1/2 – Limbos, Paul – G10 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 Be6 9. b3 O-O 10. Bb2 f5
1967 DDR Ch 16th – Round 1 – Moehring, Guenther – 1-0 – Malich, Burkhard, Dr. – G1 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 Be6 9. Be3 Nd5 10. Bd2 O-O
1967 Sarajevo – Round 8 – Stein, Leon Rico – 1/2-1/2 – Kavalek, Lubomir – G39 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. d3 Be7 8. O-O Be6 9. Ne4 f5 10. Neg5 Bg8
1969 Schwerin – Round 12 – Schoeneberg, Manfred – 1/2-1/2 – Espig, Lutz – G87 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 h5 9. a4 a5 10. Be3 h4
1970 Vinkovci – Round 12 – Petrosian, Tigran V. – 1-0 – Taimanov, Mark – G9 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. b4 a5
2. Norway Chess 2014 – Round 4.1 – Caruana, Fabiano – 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. d3 O-O 9. a3 Be6 10. Be3 f5
20. European Teams 2015 – Round 3.6 – Melkumyan, Hrant – 1-0 – Urkedal, Frode Olav Olsen – G138 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Qd2 Nd5
3. Sinquefield Cup 2015 – Round 3.2 – Aronian, Levon – 1/2-1/2 – Giri, Anish – G11 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Re8 10. Qd2 Bf8
3. Sinquefield Cup 2015 – Round 6.1 – Aronian, Levon – 1/2-1/2 – Carlsen, Magnus – G25 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. a3 Re8 10. b4 Bf8
4. Norway Chess 2016 – Round 1.5 – Aronian, Levon – 1/2-1/2 – Topalov, Veselin – G5 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Rc1 Nd5
4. Sinquefield Cup 2016 – Round 6.1 – So, Wesley – 1-0 – Topalov, Veselin – G26 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. Be3 Nd5
42. Olympiad 2016 – Round 11.24 – Mareco, Sandro – 1-0 – Gretarsson, Hjorvar Steinn – G785 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. a3 Nd5
42. Olympiad 2016 – Round 3.13 – Zhigalko, Andrey – 1/2-1/2 – Bachmann, Axel – G181 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. Be3 Nd5
42. Olympiad 2016 – Round 5.11 – Neiksans, Arturs – 1/2-1/2 – Almasi, Zoltan – G322 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. a3 Re8 10. b4 a5
6. Norway Chess 2018 – Round 4.4 – Anand, Viswanathan – 1/2-1/2 – So, Wesley – G19 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Rc1 Nd5
7. London Classic 2015 – Round 1.2 – Anand, Viswanathan – 1/2-1/2 – Adams, Michael – G2 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Re8 10. Rc1 Bf8
7. Mikhail Tal Memorial 2012 – Round 1 – Aronian, Levon – 1-0 – Nakamura, Hikaru – G1 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 f5 10. Rc1 Kh8
7. Norway Blitz 2019 – Round 3.5 – Ding, Liren – 1-0 – So, Wesley – G15 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Nb6 7. Nc3 Be7 8. d3 O-O 9. Be3 Re8 10. Rc1 Bf8
Amber-rapid 18th 2009 – Round 9 – Ivanchuk, Vasyl – 1/2-1/2 – Kramnik, Vladimir – G29 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Rc1 f6
Amber-rapid 3rd 1994 – Round 7 – Korchnoi, Viktor – 1/2-1/2 – Karpov, Anatoly – G36 1. c4 e5 2. g3 Nc6 3. Bg2 Nf6 4. Nf3 d5 5. cxd5 Nxd5 6. O-O Be7 7. Nc3 Nb6 8. d3 O-O 9. a3 Re8 10. b4 Nd4
Brussels blitz 1987 – Round 1 – Huebner, Robert – 1-0 – Korchnoi, Viktor – G9 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. b4 Nd4
Brussels blitz 1987 – Round 1 – Ljubojevic, Ljubomir – 1-0 – Sosonko, Gennadi – G7 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. b4 f5
FIDE Candidates 2014 – Round 4.3 – Karjakin, Sergey – 1/2-1/2 – Topalov, Veselin – G15 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Rc1 Re8
FIDE Candidates 2016 – Round 13.2 – Aronian, Levon – 1/2-1/2 – Karjakin, Sergey – G50 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. Be3 Qd7
FIDE GP 2002 – Round 5.1 – Bacrot, Etienne – 0-1 – Topalov, Veselin – G97 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. b4 f6
FIDE Grand Swiss 2025 – Round 6 – Cheparinov Ivan – 1/2-1/2 – Sevian Samuel – G308 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Re8 10. a3 Bf8
FIDE WCh KO 2000 – Round 1.1 – Bacrot, Etienne – 1/2-1/2 – Rychagov, Mikhail – G1 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. b4 Nd4
FIDE World Cup 2015 – Round 1.6 – Grachev, Boris – 1/2-1/2 – Motylev, Alexander – G183 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. Be3 f6
FIDE World Cup 2015 – Round 2.1 – Sargissian, Gabriel – 1/2-1/2 – Vachier-Lagrave, Maxime – G202 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Re8 10. Qd2 Bf5
FIDE World Cup 2019 – Round 1.1 – So, Wesley – 1-0 – Duran Vega, Sergio – G2 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Re8 10. Rc1 Bf8
FIDE World Rapid Championship 2025 – Round 9 – Praggnanandhaa R – 1/2-1/2 – Kosakowski Jakub – G176 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. Rb1 f6
GCT Blitz Paris 2016 – Round 10.1 – So, Wesley – 0-1 – Carlsen, Magnus – G46 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. a3 Re8 10. b4 Bf8
GCT Rapid YourNextMove 2018 – Round 4.1 – So, Wesley – 1-0 – Giri, Anish – G16 1. c4 Nf6 2. g3 e5 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. d3 Be7 8. O-O O-O 9. Be3 Be6 10. Rc1 Nd5
Grand Slam Final Masters 2010 – Round 4 – Carlsen, Magnus – 1/2-1/2 – Kramnik, Vladimir – G6 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Re8 10. Rc1 Bf8
Hastings8899 1988 – Round 1 – Speelman, Jon S – 1/2-1/2 – Chandler, Murray G – G2 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. b4 Nd4
Las Palmas 1981 – Round 7 – Garcia Padron, Jose – 0-1 – Timman, Jan H – G17 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 f5 10. Rc1 Kh8
Riga FIDE Grand Prix 2019 – Round 1.6 – Giri, Anish – 1/2-1/2 – Karjakin, Sergey – G31 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. Be3 Nd5
Riga Interzonal 1979 – Round 2 – Larsen, Bent – 1-0 – Van Riemsdijk, Herman C. – G3 1. g3 e5 2. c4 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. d3 Be7 7. Nf3 Nc6 8. O-O Bg4 9. Be3 O-O 10. a4 a6
RUS Ch Superfinal 2005 – Round 11 – Morozevich, Alexander – 1-0 – Motylev, Alexander – G59 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d3 d5 5. cxd5 Nxd5 6. g3 Nb6 7. Bg2 Be7 8. O-O O-O 9. a3 a5 10. Be3 Re8
Saint Louis Blitz 2024 - Round 7 - So Wesley - 1-0 - Praggnanandhaa R - G35 1. c4 Nf6 2. g3 e5 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Nb6 7. Nc3 Be7 8. d3 O-O 9. Be3 Re8 10. Rc1 Bf8
Sharjah Grand Prix 2017 – Round 8.1 – Nepomniachtchi, Ian – 1/2-1/2 – Vachier-Lagrave, Maxime – G64 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. a3 Re8 10. b4 a5
SportAccord Basque Men 2013 – Round 2.1 – Wang, Yue(SH) – 1/2-1/2 – Vachier-Lagrave, Maxime – G16 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Re8 10. Rc1 Bf8
SportAccord Blitz 2014 – Round 19.8 – Ivanchuk, Vasyl – 0-1 – Vachier-Lagrave, Maxime – G151 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Re8 10. Rc1 Bf8
SportAccord Blitz Men 2013 – Round 19.2 – Wang, Yue(SH) – 1/2-1/2 – Karjakin, Sergey – G143 1. c4 Nf6 2. g3 e5 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Re8 10. Rc1 Bf8
SportAccord Rapid Men 2013 – Round 6.3 – Wang, Yue(SH) – 1-0 – Mamedyarov, Shakhriyar – G43 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Rc1 f5
Tal Memorial 2010 – Round 9 – Wang, Hao(ZJWZ) – 1/2-1/2 – Karjakin, Sergey – G35 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. b4 a5
Tata Steel India Blitz 2018 – Round 7.4 – So, Wesley – 1-0 – Ganguly, Surya Shekhar – G34 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Re8 10. a4 a6
Thessaloniki olm 1988 – Round 7 – Uhlmann, Wolfgang – 1/2-1/2 – Seirawan, Yasser – G55 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. d3 Be7 8. O-O O-O 9. a3 Be6 10. Be3 Nd5
World Blitz 2007 – Round 14 – Savchenko, Boris – 1-0 – Rublevsky, Sergei – G130 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. a3 f5
World Blitz 2015 – Round 14.6 – Tomashevsky, Evgeny – 1-0 – Vovk, Yuri – G895 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Re8 10. Rc1 Bf8
World Blitz 2015 – Round 19.5 – Tomashevsky, Evgeny – 1-0 – Karjakin, Sergey – G1203 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Rc1 Nd5
World Blitz 2015 – Round 6.61 – Petursson, Margeir – 1/2-1/2 – Ponkratov, Pavel – G388 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 g5 9. a3 g4 10. Nd2 h5
World Blitz 2018 – Round 11.73 – Tomashevsky, Evgeny – 1-0 – Makoveev, Ilya – G686 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Rc1 f5
World Blitz 2021 – Round 13.8 – Duda, Jacob – 0-1 – Martirosyan, Haik M. – G804 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. d3 Be7 8. O-O O-O 9. a3 Be6 10. b4 a5
Zuerich Chess Challenge Blitz 2013 – Round 2.2 – Kramnik, Vladimir – 1-0 – Anand, Viswanathan – G4 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. a3 Be6 10. Be3 Nd5

A29w — Four Knights

1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.d3

Eval: [+0.17]

Les coups candidats

8…O-O — 88.5% (7844 parties)

Ambassadeurs : Belchev, Branimir Petrov (63x), Zielinski, Sergej (58x), Szerlak, Andrzej (52x), Morley, Paul (40x), Semmelroth, Heinz-Dieter (31x), Uhlmann, Wolfgang (22x), Kusnierz, Janusz (22x), Romanishin, Oleg M (21x)

8…Be6 — 9.1% (804 parties)

Ambassadeurs : Belchev, Branimir Petrov (6x), Biro, Sandor (4x), Dahlhaus, Friedhelm (4x), Van Riemsdijk, Herman C. (4x), Kavalek, Lubomir (3x), Georgiev, Vladimir (3x), Petras, Marian (3x), Carvalho, Herbert Abreu (3x)

8…g5 — 1.9% (167 parties)

Ambassadeurs : Pavlicek, Miroslav (4x), Ilic, Slobodan R (2x), Belakovskaia, Anjelina (2x), Prasca Sosa, Rafael Felipe (2x), Bartolomaeus, Christian (2x), Colombo, Sandro (2x), Salem, A.R. Saleh (2x), OLORUNTOLA, Oluwatobiloba (2x)

8…Bg4 — 0.3% (25 parties)

Ambassadeurs : Larsen, Bent (2x), Van Riemsdijk, Herman C. (2x), Pitschak, Rudolf (1x), Boros, Sandor (1x), Saadi, Julio (1x), Caterine Visconti, Ismael David (1x), Van riemsdeck, D (1x), Larsen, Benjamin Holsko (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…O-O	8…Be6	8…g5	8…Bg4
<1800	263	85%	12%	3%	—
1800-2200	3476	87%	11%	2%	0%
2200-2600	3647	91%	7%	2%	0%
2600+	126	93%	5%	2%	—

Évolution par décennie (% des parties)

Décennie	N parties	8…O-O	8…Be6	8…g5	8…Bg4
1920s	1	100%	—	—	—
1930s	38	79%	16%	3%	3%
1940s	35	97%	3%	—	—
1950s	44	86%	11%	—	2%
1960s	71	75%	23%	—	—
1970s	94	81%	15%	—	3%
1980s	444	93%	7%	—	—
1990s	1129	88%	10%	1%	0%
2000s	2103	88%	9%	3%	0%
2010s	4042	88%	9%	2%	0%
2020s	860	91%	8%	1%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…O-O	88%	91%	▲ +2.5%
8…Be6	9%	8%	▼ -1.3%
8…g5	2%	1%	▼ -1.1%
8…Bg4	0%	0%	-0.2%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 4 parties
Anand, Viswanathan — 3 parties
Carlsen, Magnus — 3 parties
Euwe, Max — 2 parties
Ding, Liren — 2 parties
Smyslov, Vladimir — 1 partie
Alekhine, Alexander — 1 partie
Tal, Mikhail — 1 partie
Karpov, Aleksandr — 1 partie
Gukesh D — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

8…O-O — 88.5% (7844 parties)

1928 — Goud, JH. vs Kroone, Gerard — 1/2-1/2 — NED
1934 — Pitschak, Rudolf vs Flohr, Salo — 0-1 — Bad Liebenwerda
1935 — Weiss, Adam vs Reinhardt, Enrique — 1-0 — corr IFSB
1935 — De Winter Gallegos, Willy vs Koltanowski, George — 1/2-1/2 — White Rock Pavilion
1935 — Solin, Ilmari vs Lilienthal, Andor — 0-1 — Warsaw ol Warsaw POL

8…Be6 — 9.1% (804 parties)

1936 — Defosse, Marcel vs Gooris, Emile — 0-1 — ?
1936 — Kan, Ilya A vs Chekhover, Vitaly — 1/2-1/2 — Leningrad RUS
1936 — Lundin, Erik vs Landau, Salo — 1-0 — Ostend
1937 — Dobias, Josef vs Opocensky, Karel — 1-0 — Prague CZE
1937 — Dobias, Josef vs Opocensky, Karel — 1-0 — Prague CZE

8…g5 — 1.9% (167 parties)

1936 — Vaitonis, Povilas vs Zinner, Emil — 1-0 — Munich GER
1997 — Gal, Karoly vs Molnar, Janos — 0-1 — HUN
1997 — Alexandre, Jorge vs Quadrio, Alexandre — 1-0 — Lisbon POR
1998 — Auer, Conny vs Teuffer, Michael — 0-1 — Hagenbach
1998 — Romsdal, Trond vs Royset, Jon Kr. — 0-1 — Tromsoe

8…Bg4 — 0.3% (25 parties)

1934 — Pitschak, Rudolf vs Boros, Sandor — 0-1 — Bad Liebenwerda
1959 — Saadi, Julio vs Caterine Visconti, Ismael David — 1-0 — Buenos Aires ARG
1979 — Larsen, Bent vs Van riemsdeck, D — 1-0 — Riga LAT
1979 — Larsen, Bent vs Van Riemsdijk, Herman C. — 1-0 — Riga LAT
1979 — Larsen, Benjamin Holsko vs Van Riemsdijk, Herman C. — 1-0 — Riga LAT

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