A34h — English: Symmetrical, 2…Nf6 3.g3

1.c4 c5 2.Nc3 Nf6 3.g3 * ● 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. 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 g1, les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; e4 (Centre d4+e4, menace e5, libère Bf1) ; Nf3 (Développer Ng1) ; d3 (Libérer Bc1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la paire de fous.

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 (le cavalier b8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...Bd6 (Développer Bf8) ; ...d5 (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)	—
Cases faibles	—	—
Centre	● d5 (2v1)	● d4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	5 (g1, c1, f1, a1, h1)	5 (b8, 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	● d2-d3, ● e2-e3, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
19. European Teams 2013 – Round 9.10 – Ipatov, Alexander – 0-1 – Perunovic, Milos – G305 1. c4 c5 2. Nc3 Nf6 3. g3 e6 4. Bg2 d5 5. Nf3 dxc4 6. Ne5 Be7 7. Qa4+ Nbd7 8. Nxc4 a6 9. d3 O-O 10. Bf4 Nh5
1925 Baden-Baden – Round 1 – Reti, Richard – 1-0 – Carls, Carl – G15 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Bd2 d6 7. Qc1 Nd4 8. Rb1 Rb8 9. Bh6 O-O 10. Bxg7 Kxg7
1933 BCF Ch 26th – Round 10 – Alexander, Conol Hugh – 0-1 – Cross, Alfred Rupert Neale – G27 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. Nh3 Nc6 6. b3 d5 7. Nf4 d4 8. Bxc6+ bxc6 9. Na4 O-O 10. Nd3 Nd7
1934 Zuerich – Round 1 – Flohr, Salo – 1-0 – Mueller, Helge – G8 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Nf3 Nc6 5. d4 cxd4 6. Nxd4 Bg7 7. Nc2 d6 8. Bg2 O-O 9. O-O Bg4 10. Qd2 Qd7
1936 Munich ol (Men) – Round 5 – Danchev, Dancho – 1-0 – Carls, Carl – G12 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Nf3 b6 7. O-O Bb7 8. Bd2 O-O 9. Qc1 Nd4 10. e4 Ng4
1937 Ostende – Round 3 – Reynolds, Arthur – 1/2-1/2 – Dunkelblum, Arthur – G14 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. Nf3 d5 6. cxd5 Nxd5 7. O-O O-O 8. Qb3 Nb6 9. d3 Nc6 10. Qb5 Nd7
1951 Marianske Lazne zt – Round 1 – Stoltz, Gabriel – 1-0 – Heidenfeld, Wolfgang – G7 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. d4 cxd4 8. Nxd4 Nxd4 9. exd4 d6 10. O-O Bg4
1954 Belgrade – Round 1 – Djurasevic, Bozidar – 1-0 – Rabar, Braslav – G2 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Bd2 d6 7. Rb1 Qd7 8. a3 b6 9. Nf3 Bb7 10. O-O O-O
1954 Hungary Ch – Round 1 – Koberl, Ferenc – 0-1 – Benko, P. – G4 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d5 7. d4 cxd4 8. Nxd4 dxc4 9. Ndb5 Nc6 10. Be3 Bd7
1954 Kiev ch-URS – Round 1 – Taimanov, Mark E – 1-0 – Ragozin, Viacheslav – G19 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. Nh3 Nc6 6. Nf4 d6 7. d3 O-O 8. O-O Bd7 9. Rb1 Rb8 10. a3 a5
1954 Montevideo – Round 1 – Kotov Lundqvist, Alex – 1-0 – Ibarburu, L – G1 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e3 Nc6 6. Nge2 d6 7. O-O Bd7 8. d4 Qc8 9. Re1 Bh3 10. Bh1 h5
1954 Olympiad final A – Round 1 – Pachman, Ludek – 1/2-1/2 – Szabo, Ladislav – G8 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. O-O Ne5 8. d3 d6 9. b3 a6 10. d4 Ned7
1955 Buenos Aires CA – Round 4 – Panno, Oscar – 0-1 – Pilnik, Herman – G31 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. O-O d6 8. d3 Bd7 9. a3 Qc8 10. Rb1 Bh3
1955 CSR Ch – Round 8 – Dolezal, Jiri – 1-0 – Zita, Frantisek – G59 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Bd2 d6 7. Qc1 h5 8. h4 Bd7 9. Nh3 Rb8 10. Ng5 a6
1955 Mar del Plata – Round 2 – Bauza, Lorenzo – 0-1 – Rossetto, Hector – G10 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 d6 7. O-O Nc6 8. d4 Bd7 9. h3 Rb8 10. b3 a6
1955 URS Ch sf – Round 1 – Kortchnoi, V. – 1-0 – Ilivitsky, Georgy – G2 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 d6 7. O-O Nc6 8. d4 a6 9. b3 Rb8 10. Bb2 Bd7
1955 USSR – Round 8 – Antoshin, Vladimir S – 1/2-1/2 – Stolyar, Danu Mikh – G7 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. b3 O-O 6. Bb2 Nc6 7. Nf3 d5 8. Nxd5 Nxd5 9. Bxg7 Kxg7 10. cxd5 Qxd5
1956 Candidats Tournament – Round 16 – Petrosian, Tigran A. – 1/2-1/2 – Filip, Marius Liviu – G74 1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Bg2 d5 5. Nf3 d4 6. Nb1 Nc6 7. d3 Be7 8. O-O O-O 9. e4 dxe3 10. Bxe3 Ng4
1956 CSR Ch sf – Round 4 – Dolezal, Jiri – 1/2-1/2 – Zita, Frantisek – G10 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Rb1 d6 7. a3 O-O 8. Bd2 Bd7 9. b4 Rb8 10. b5 Nd4
1956 CSR Ch sf Bratislava SVK – Round 2 – Kozma, Julius – 1/2-1/2 – Vyslouzil, Antonin – G2 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. O-O d6 8. d4 Bd7 9. h3 a6 10. b3 Rb8
1956 New York Rosenwald – Round ? – Shainswit, George – 0-1 – Reshevsky, Samuel – G6 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. O-O d6 8. d3 Bd7 9. b3 e5 10. Bb2 Qc8
1956 URS Ch sf – Round ? – Bannik, Anatolij – 1-0 – Matskevich, Avshalom – G15 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nc6 7. d3 Bd7 8. O-O Qc8 9. Nf4 O-O 10. Rb1 Rb8
1957 CAN Ch – Round 6.1 – Joyner, Lionel – 1/2-1/2 – Jursevskis Miervaldis – G12 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. d4 cxd4 8. exd4 d5 9. Nxd5 Nxd5 10. cxd5 Nb4
1957 Dublin zt – Round 5 – Van Scheltinga, Theo – 1/2-1/2 – Catozzi, Mauro – G33 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 Nc6 6. Nge2 d6 7. d4 cxd4 8. Nxd4 Bd7 9. O-O Qc8 10. Re1 Bh3
1957 Gotha – Round 1 – Pachman, Ludek – 1-0 – Relsztab – G1 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 d6 7. d4 Nc6 8. O-O Bg4 9. h3 Bd7 10. b3 Rc8
1957 URS Ch, semi final – Round 13 – Mikenas, Vladas – 1-0 – Sokolsky, Alexey – G114 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. Rb1 Nc6 6. a3 a5 7. Nf3 e5 8. d3 d6 9. O-O O-O 10. Ne1 Be6
1958 Argentina – Round 12 – Eliskases, Erich – 1/2-1/2 – Wexler, Francisco – G91 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Bd2 O-O 7. Qc1 Re8 8. Nf3 d6 9. O-O Bg4 10. h3 Bd7
1958 Haifa/Tel Aviv – Round 3 – Szabo, Laszlo – 1-0 – Branicki, I – G11 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. a3 O-O 6. Rb1 e6 7. Na4 d6 8. Nf3 Nc6 9. b4 cxb4 10. axb4 d5
1958 Portoroz Interzonal – Round 18 – Rossetto, Hector – 1-0 – Cardoso Da Silva, Roberto – G166 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Bg5 a6 7. Nf3 Rb8 8. O-O b5 9. b3 O-O 10. Rc1 d6
1958 Riga ch-URS – Round 1 – Averbakh, Yuri L – 1-0 – Suetin, Alexey S – G14 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. a3 Nc6 6. Rb1 e6 7. b4 cxb4 8. axb4 d5 9. b5 Ne7 10. cxd5 exd5
1959 Buenos Aires – Round 1 – Marini, Luis – 1-0 – Bartis, Gustavo – G2 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 d6 7. O-O Na6 8. a3 Rb8 9. Rb1 Nc7 10. b4 Be6
1961 Hoogovens – Round 1 – Larsen, Benjamin Holsko – 1-0 – Ivkov, Borislav – G3 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. a3 Nc6 6. d3 O-O 7. Rb1 a5 8. e4 d6 9. Nge2 Ne8 10. O-O Nc7
1961 IBM – Round 1 – Langeweg, Kick – 1-0 – Bernstein, Olivia – G1 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. d4 cxd4 7. Nxd4 Nc6 8. Nc2 d6 9. O-O Bd7 10. b3 Qc8
1961 Moscow RUS – Round 14 – Goldberg, Grigory A – 0-1 – Titenko, Vladimir F – G17 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. d4 d6 8. dxc5 dxc5 9. Qxd8 Rxd8 10. Bxc6 bxc6
1961 Santa Fe – Round 1 – Rossetto, Hector – 1-0 – Klein, Lawrence – G2 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. d4 cxd4 7. Nxd4 Nc6 8. Nc2 d6 9. O-O Be6 10. b3 Qd7
1962 Asztalos Memorial 5th – Round 7 – Portisch, Lajos – 1-0 – Haag, Ervin – G48 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. a3 Nc6 6. Rb1 h5 7. b4 cxb4 8. axb4 h4 9. e3 d6 10. d4 Bf5
1962 Copenhagen – Round 1 – Blom, Kaj – 1/2-1/2 – Jensen, Erik Bartram – G4 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nc6 7. O-O Bd7 8. Nf4 O-O 9. h3 Na5 10. d3 Bc6
1962 Erevan ch-URS – Round 1 – Taimanov, Mark E – 1/2-1/2 – Khodos, German – G2 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. a3 O-O 6. b4 d6 7. Rb1 Nc6 8. Nh3 cxb4 9. axb4 d5 10. cxd5 Nxd5
1962 Mar del Plata – Round 15 – Najdorf, Miguel – 0-1 – Byrne, David – G123 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. d4 d6 8. O-O Bf5 9. h3 Qc8 10. Kh2 h5
1962 Varna ol (Men) qual-C – Round 6 – Hort, Vlastimil – 1-0 – Lopez Munoz, Johan Schneider – G22 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. O-O Rb8 8. d4 d6 9. b3 e6 10. Bb2 a6
1962 Varna olm – Round 1 – Hort, Vlastimil – 1-0 – Langeweg, Kick – G10 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. O-O d6 8. d4 Bd7 9. b3 Rb8 10. Bb2 a6
1963 Budapest ch-HUN – Round 1 – Sapi, Laszlo – 0-1 – Bilek, Istvan – G22 1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Bg2 d5 5. cxd5 exd5 6. d4 cxd4 7. Qxd4 Nc6 8. Qd1 d4 9. Ne4 Be7 10. Nxf6+ Bxf6
1963 Budapest ch-HUN – Round 1 – Somogyi, Istvan – 0-1 – Portisch, Lajos – G5 1. c4 c5 2. Nc3 Nf6 3. g3 e6 4. Bg2 Nc6 5. Nf3 d5 6. b3 d4 7. Na4 Bd7 8. O-O Be7 9. e3 e5 10. Re1 O-O
1963 UKR Ch – Round 14 – Kots, Yuri I – 0-1 – Tokarev, Aleksandr – G92 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. O-O d6 8. d4 cxd4 9. exd4 Bg4 10. d5 Ne5
1964 Amsterdam Interzonal – Round 3 – Rossetto, Hector – 0-1 – Porath, Yosef – G22 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 Nc6 6. Nge2 d6 7. d4 cxd4 8. exd4 Bf5 9. O-O Qd7 10. Bf4 Bh3
1964 GBR Ch 51st – Round 1.4 – Cafferty, Bernard – 1-0 – Coast, Peter – G3 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 Nc6 6. Nge2 d6 7. O-O O-O 8. d4 Rb8 9. b3 Bd7 10. Bb2 a6
1964 Rhode Island – Round 1 – Hirons – 0-1 – Barry Bertomeu, Enrique – G1 1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Bg2 Nc6 5. e4 a6 6. d3 Be7 7. Be3 d6 8. Nge2 Ng4 9. Qd2 Bd7 10. O-O Rb8
1964 Rubinstein Memorial – Round 9 – Kavalek, Lubomir – 1-0 – Parma, Bruno – G30 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. d4 d6 8. O-O Bd7 9. b3 Qc8 10. Re1 Bh3
1964 Tel Aviv olm – Round 1 – Matanovic, Aleksandar – 1/2-1/2 – Langeweg, Kick – G9 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. O-O d6 8. d4 Bd7 9. b3 Qc8 10. Bb2 Bh3
1964 WchT U26 11. qual-A – Round 1.1 – Hort, Vlastimil – 1-0 – Strauss, Anton – G1 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 O-O 7. O-O Nc6 8. d4 Bd7 9. b3 Qc8 10. Re1 Bh3
1965 CSR Ch U18 – Round 3 – Pribyl, Josef – 1-0 – Matas, Stanislav – G3 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nc6 7. d4 cxd4 8. Nxd4 Bd7 9. O-O Nxd4 10. exd4 Bc6
1965 Tallinn ch-URS – Round 1 – Liavdansky, Vladimir – 1/2-1/2 – Furman, Slavomir – G22 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. O-O d6 8. d3 Bd7 9. h3 a6 10. b3 Rb8
1965 Tallinn ch-URS – Round 1 – Sakharov, Yuri G. – 1-0 – Lepeshkin, Vladimir – G23 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. Rb1 O-O 6. a3 a5 7. d3 Nc6 8. Nh3 Rb8 9. O-O d6 10. Nf4 Bd7
1966 Asztalos Memorial 9th – Round 3 – Kavalek, Lubomir – 0-1 – Haag, Ervin – G11 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 e6 7. d4 cxd4 8. Nxd4 d5 9. cxd5 Nxd5 10. Nxd5 exd5
1966 Belgrade – Round 1 – Milic, Borislav – 1-0 – Janosevic, Dragoljub – G1 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. d4 d6 8. O-O Bd7 9. b3 Qc8 10. d5 Na5
1966 Bucharest – Round 9 – Kavalek, Lubomir – 1-0 – Neamtu, Serban-Constantin – G37 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. d4 d6 8. O-O Bd7 9. b3 a6 10. Bb2 Rb8
1966 Harrachov – Round 11 – Hort, Vlastimil – 0-1 – Janosevic, Dragoljub – G19 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. a3 Nc6 6. Rb1 O-O 7. b4 cxb4 8. axb4 a5 9. b5 Nb4 10. Qb3 d5
1966 La Habana olm fin-B – Round 11 – Sliwa, Bogdan – 1/2-1/2 – Huguet, Bernard – G37 1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Bg2 d5 5. b3 d4 6. Nb1 Be7 7. e4 e5 8. d3 O-O 9. Ne2 Nc6 10. f4 exf4
1966 Palermo Memorial – Round 2 – Bronstein, Luis Marcos – 1-0 – Pamplona, Alberto Pascual – G4 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. Rb1 Nc6 7. a3 a5 8. O-O Bd7 9. d3 O-O 10. Bd2 Rb8
1966 Tbilisi ch-URS – Round 3 – Polugaevsky, L. – 1/2-1/2 – Kortchnoi, V. – G25 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 e6 6. Nge2 Nc6 7. O-O O-O 8. Nf4 Ne8 9. a3 d6 10. Rb1 Rb8
1967 Maribor – Round 1 – Crepinsek, Ljubomir – 1/2-1/2 – Janosevic, Dragoljub – G1 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. d4 cxd4 8. Nxd4 Nxd4 9. exd4 d6 10. O-O a6
1967 Maribor – Round 7 – Ivkov, Borislav – 1/2-1/2 – Crepinsek, Ljubomir – G39 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. O-O d5 7. cxd5 Nxd5 8. Nxd5 Qxd5 9. d3 Qh5 10. Be3 Nd7
1967 Skopje – Round 12 – Sofrevski, Jovan – 1/2-1/2 – Damjanovic, Marko – G92 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. a3 Nc6 6. Rb1 a5 7. e4 O-O 8. Nge2 d6 9. O-O Ne8 10. d3 Nc7
1967 YUG-URS U20 – Round 9 – Despotovic, Momcilo – 1/2-1/2 – Giorgadze, Tamaz – G8 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 O-O 6. d4 cxd4 7. Nxd4 Nc6 8. Nc2 d6 9. b3 Bd7 10. Bb2 a6
1968 Lublin PKWN 4th – Round 11 – Szilagyi, Gyorgy Laszlo – 1/2-1/2 – Balcerowski, Witold – G36 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. a3 Nc6 6. Rb1 a5 7. d3 O-O 8. Bd2 e6 9. Nf3 d5 10. O-O b6
1968 Mar del Plata ch-ARG – Round 11 – Acosta Garcia, Rafael Isaac – 1/2-1/2 – Rossetto, Hector – G69 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 Nc6 6. Nge2 d6 7. d4 O-O 8. O-O Bd7 9. h3 Rb8 10. b3 a6
1971 Moscow – Round ? – Kotov, Alexander A – 1-0 – Kaem – G31 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. a3 Nc6 6. Rb1 e6 7. b4 cxb4 8. axb4 d5 9. b5 Ne7 10. Ba3 dxc4
1975 Milan – Round 4 – Larsen, Bent – 1/2-1/2 – Browne, Walter Shawn – G4 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. a3 Nc6 6. Rb1 a5 7. Nf3 d5 8. b3 O-O 9. O-O b6 10. d3 Bb7
6. World Blitz 2010 – Round 7.7 – Grischuk, Alexander – 0-1 – Andreikin, Dmitry – G45 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. O-O d6 8. d3 Bg4 9. h3 Bd7 10. b3 a6
Biel Interzonal 1976 – Round 5 – Rogoff, Kenneth – 1-0 – Smejkal, Jan – G23 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. O-O d6 8. d4 cxd4 9. exd4 Bf5 10. h3 h5
FIDE World Cup 2015 – Round 4.4 – Ding, Liren – 1/2-1/2 – Wei, Yi – G392 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 e6 7. b3 d5 8. Ba3 Qa5 9. Na4 Nbd7 10. O-O a6
FIDE World Cup 2015 – Round 4.6 – Ding, Liren – 0-1 – Wei, Yi – G397 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 e6 7. b3 d5 8. Ba3 Qa5 9. Na4 Nbd7 10. O-O a6
Interpolis 1982 – Round 1 – Larsen, Bent – 0-1 – Andersson, Ulf – G9 1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Bg2 d5 5. cxd5 exd5 6. d4 cxd4 7. Qxd4 Nc6 8. Qd3 Nb4 9. Qb1 d4 10. Ne4 d3
Norway Chess blitz 2nd 2014 – Round 1.4 – Grischuk, Alexander – 1-0 – Caruana, Fabiano – G3 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 d6 7. O-O Nc6 8. d4 Bd7 9. b3 Rb8 10. Bb2 a6
Reggio Emilia9192 1992 – Round 6 – Kasparov, Garry – 1-0 – Beliavsky, Alexander G – G20 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. a3 Nc6 6. Rb1 a5 7. d3 O-O 8. Bg5 d6 9. Nf3 h6 10. Bd2 Be6
Tilburg 1982 – Round ? – Larsen, Bent – 0-1 – Andersson, Ulf 1949 – G8 1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Bg2 d5 5. cxd5 exd5 6. d4 cxd4 7. Qxd4 Nc6 8. Qd3 Nb4 9. Qd1 d4 10. Ne4 d3
World Blitz 2015 – Round 12.56 – Agdestein, Simen – 1-0 – Matlakov, Maxim – G765 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 d6 7. O-O Nc6 8. d4 Bd7 9. b3 Qc8 10. Re1 Bh3
World Blitz 2021 – Round 9.44 – Klekowski, Maciej – 0-1 – Howell, David W L – G539 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. a3 Nc6 6. Rb1 O-O 7. e3 b6 8. Nge2 Bb7 9. O-O Na5 10. Bxb7 Nxb7
World Blitz 2023 – Round 10.8 – Korobov, Anton – 1/2-1/2 – Bharath Subramaniyam H – G607 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 O-O 6. Nge2 Nc6 7. O-O d6 8. a3 Bd7 9. Rb1 Rb8 10. b4 b6

A34h — Symmetrical

1.c4 c5 2.Nc3 Nf6 3.g3

Eval: [+0.17]

Les coups candidats

3…d5 — 30.6% (3603 parties) →

Ambassadeurs : Schuett, Wilhelm (28x), Andreoni, Mario (12x), Pech, Jaroslav Jr (11x), Sternik, Ryszard (10x), Magem Badals, Jordi (8x), Lombart, Philippe (8x), Chernov, Andrey (8x), Witkowski, Stefan (7x)

3…g6 — 25.2% (2965 parties)

Ambassadeurs : Pribyl, Josef (7x), Bukal, Vladimir Jr. (7x), Rossetto, Hector (6x), Weyerstrass, Ronald (6x), Izeta Txabarri, Felix (6x), Hort, Vlastimil (5x), Sunye Neto, Jaime (5x), Taimanov, Mark (5x)

3…e6 — 23.1% (2716 parties)

Ambassadeurs : Ftacnik, Lubomir (25x), Suba, Mihai (17x), Greenfeld, Alon (17x), Bischoff, Klaus (16x), Velikov, Petar (11x), Jurek, Josef (10x), Rosenberg, Clemens von (9x), Schulz, Hans-Juergen (9x)

3…Nc6 — 19.7% (2320 parties) →

Ambassadeurs : Thompson, Ian D (7x), Tocklin, Tomi (6x), Fernandez Manrique, Agustin (5x), Eliskases, Erich (4x), Hort, Vlastimil (4x), Tukmakov, Vladimir B (4x), Karlsson, Lars 1937 (4x), Balster, Stefan (4x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	3…d5	3…g6	3…e6	3…Nc6
<1800	457	31%	27%	16%	22%
1800-2200	4254	31%	27%	17%	24%
2200-2600	4139	30%	22%	32%	15%
2600+	146	16%	20%	53%	11%

Évolution par décennie (% des parties)

Décennie	N parties	3…d5	3…g6	3…e6	3…Nc6
1880s	1	—	100%	—	—
1890s	1	100%	—	—	—
1910s	4	—	25%	—	75%
1920s	5	40%	60%	—	—
1930s	28	46%	18%	—	36%
1940s	21	81%	10%	—	10%
1950s	192	48%	38%	3%	10%
1960s	229	28%	40%	14%	17%
1970s	424	33%	25%	23%	17%
1980s	1045	30%	20%	36%	13%
1990s	2429	34%	24%	23%	18%
2000s	3295	30%	24%	23%	21%
2010s	3331	26%	27%	22%	23%
2020s	754	35%	25%	19%	19%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
3…d5	26%	35%	▲ +9.1%
3…g6	27%	25%	▼ -2.2%
3…e6	22%	19%	▼ -3.3%
3…Nc6	23%	19%	▼ -3.3%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 8 parties
Kasparov, Garry — 7 parties
Carlsen, Magnus — 4 parties
Tal, Mikhail — 3 parties
Kramnik, Vladimir — 3 parties
Ding, Liren — 3 parties
Gukesh D — 2 parties
Smyslov, Vladimir — 1 partie
Karpov, Aleksandr — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

3…d5 — 30.6% (3603 parties)

1894 — De Weydlich, Kasimir vs Blackburne, Joseph — 0-1 — Leipzig GER
1929 — De Souza Mendes, Joao vs Cruz, Walter — 1-0 — Rio de Janeiro BRA
1929 — De Souza Mendes, Joao vs Cruz, Walter — 1-0 — Brazil ch
1930 — Flohr, Salo vs Rellstab, Ludwig — 1-0 — Hastings ENG
1931 — Kirillov, Vladimir vs Botvinnik, Mikhail — 0-1 — Moskou ch-URS

3…g6 — 25.2% (2965 parties)

1884 — Isaacson, Gunnar J vs Fisk Larry — 0-1 — ?
1914 — Carls, Carl vs Post, Erhard — 1-0 — Mannheim GER
1925 — Wegemund, Otto vs Post, Erhard — 0-1 — Berlin GER
1925 — Reti, Richard vs Carls, Carl — 1-0 — Baden-Baden GER
1927 — Buerger, Victor vs Nimzowitsch, Aron — 0-1 — It London ENG

3…e6 — 23.1% (2716 parties)

1955 — Alster D vs Fichtl, Jiri — 1/2-1/2 — Erfurt GER
1955 — Wolk, Sigmund vs Hantke, R. — 0-1 — Hoechst ch-GER
1956 — Petrosian, Tigran A. vs Filip, Marius Liviu — 1/2-1/2 — Amsterdam NED
1956 — Najdorf, Miguel vs Fernandez Zubieta, Cristian Benjamin — 1/2-1/2 — Montevideo URU
1956 — Kholmov, Ratmir D vs Pachman, Ludek — 1/2-1/2 — Dresden GER

3…Nc6 — 19.7% (2320 parties)

1912 — Rubinstein, Akiba vs Breyer, Guy — 1-0 — Bad Pistyan CZE
1912 — Rubinstein, Akiba vs Důras, Oldřich — 1-0 — Bad Pistyan CZE
1912 — Rubinstein, Akiba vs Duras, Oldrich — 1-0 — Pistyan
1930 — Haida, August Konrad vs Pokorny, Amos — 0-1 — ?
1931 — Nimzowitsch, Aron vs Asztalos, Lajos — 1-0 — Bled SLO

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