E12w — Queen’s Indian: 4.Nc3 Bb7

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 * ○ Trait aux Blancs

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, e5 et g5 et la paire de fous.

Côté adverse. Le fou enfermé en f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (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) ; Bg5 (Clouer Nf6) ; 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 e4, un fou actif en b7 et 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, le fou f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nc6 (Développer Nb8) ; ...Be7 (Développer Bf8) ; ...Bg4 (Clouer Nf3) ; ...c5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● a7→b6, c7→b6, d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● e5 (2v0), ● g5 (2v0)	● e4 (2v1)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (3v2), ● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bb7		● Bb7 Actif (mob. 6)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, a1, h1)	4 (b8, 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	● c4-c5, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1. ACP World Rapid Cup 2007 – Round 3.5 – Gelfand, Boris – 0-1 – Leko, Peter – G37 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. g3 Bb4 6. Bd2 Bxc3 7. Bxc3 Ne4 8. Rc1 Nxc3 9. Rxc3 O-O 10. Bg2 d6
1920 Berlijn – Round 9 – Leonhardt, Paul – 1/2-1/2 – Saemisch, Friedrich – G24 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bf4 Bb4 6. e3 Ne4 7. Qc2 f5 8. O-O-O Bxc3 9. bxc3 d6 10. h4 Nd7
1920 Gothenburg – Round 12 – Bogoljubow, Efim – 0-1 – Spielmann, Rudolf – G72 1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. Nc3 Bb7 5. g3 d5 6. cxd5 Nxd5 7. Bg2 Nd7 8. O-O Be7 9. Re1 N7f6 10. Qa4+ Qd7
1922 Bad Pistyan Breyer Memorial-A – Round 16 – Przepiorka, Dawid – 0-1 – Alekhine, Alexander – G47 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb7 5. Qc2 c5 6. dxc5 Bxc5 7. e4 Nc6 8. Bg5 h6 9. Bh4 Nd4 10. Nxd4 Bxd4
1923 Northern Counties Premier – Round 5 – Holmes, Harry – 0-1 – Blake, Joseph – G11 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Qc2 c5 6. Bg5 Bxf3 7. exf3 cxd4 8. Bxf6 Qxf6 9. Qe4 Nc6 10. Nd5 Qd8
1924 BCF Ch 17th – Round 1 – Gibson, William – 0-1 – Fairhurst, William – G3 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. d5 Bb4 6. Bg5 h6 7. Bxf6 Qxf6 8. Rc1 O-O 9. e4 exd5 10. exd5 Na6
1924 Gyor – Round 1 – Przepiorka, Dawid – 1-0 – Vukovic, Vladimir – G23 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Qc2 c5 6. e4 cxd4 7. Nxd4 Bb4 8. f3 Nc6 9. Be3 O-O 10. O-O-O Qe7
1925 Baden-Baden – Round 20 – Gruenfeld, Ernst – 1/2-1/2 – Nimzowitsch, Aron – G160 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. a3 Bxc3+ 7. Qxc3 d6 8. g3 Nbd7 9. Bg2 O-O 10. O-O Qe7
1925 Debrecen – Round 1 – Havasi, Kornel – 1/2-1/2 – Tartakower, Savielly – G22 1. d4 Nf6 2. c4 e6 3. Nc3 b6 4. Nf3 Bb7 5. g3 Bb4 6. Bg2 Bxc3+ 7. bxc3 d6 8. O-O Nbd7 9. a4 a5 10. Nd2 Bxg2
1925 DSB-24.Kongress – Round 10 – Gruenfeld, Ernst – 1/2-1/2 – Reti, Richard – G39 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Nf3 e6 5. g3 Bxf3 6. exf3 d5 7. cxd5 Nxd5 8. Bg2 g6 9. f4 c6 10. O-O Bg7
1925 Marienbad – Round 4 – Przepiorka, Dawid – 1/2-1/2 – Nimzowitsch, Aron – G26 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Qc2 c5 6. dxc5 Bxc5 7. e4 Nc6 8. Bg5 h6 9. Bh4 d6 10. Rd1 Qe7
1925 Montevideo – Round 6 – Romano, Valentin – 0-1 – Grau, Roberto G – G18 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 c5 6. e4 cxd4 7. Nxd4 Bc5 8. Nb3 Nc6 9. a3 Nd4 10. Nxd4 Bxd4
1925 Moscow – Round 1 – Gruenfeld, Ernst – 1/2-1/2 – Duz-Khotimirsky, Fedor Ivanovich – G137 1. Nf3 Nf6 2. c4 b6 3. Nc3 Bb7 4. d4 e6 5. Qc2 c5 6. e4 cxd4 7. Nxd4 Nc6 8. Nxc6 dxc6 9. Bg5 Qc7 10. Be2 Bd6
1926 Bardejov – Round 3 – Kmoch, Hans – 1/2-1/2 – Balogh, Janos – G17 1. Nf3 Nf6 2. c4 b6 3. d4 Bb7 4. Nc3 e6 5. Qc2 d5 6. Bg5 Be7 7. e3 Nbd7 8. cxd5 exd5 9. Bd3 O-O 10. O-O h6
1926 Bardejov – Round 4 – Mueller, Hans – 1-0 – Sterk, Karoly – G19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. a3 Bxc3+ 7. Qxc3 Ne4 8. Qc2 O-O 9. e3 d6 10. Bd3 f5
1926 Bardejov – Round 8 – Kmoch, Hans – 0-1 – Colle, Edgar – G37 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. a3 Bxc3+ 7. Qxc3 O-O 8. Bg5 h6 9. Bh4 d6 10. e3 Nbd7
1926 Bardejov – Round 9 – Mueller, Hans – 1-0 – Chodera, Miroslav – G44 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Qc2 d5 6. Bg5 Be7 7. e3 Nbd7 8. cxd5 exd5 9. Bd3 h6 10. Bf4 O-O
1926 Budapest – Round 10 – Havasi, Kornel – 1/2-1/2 – Gruenfeld, Ernst – G56 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Qc2 Bb4 6. Bd2 O-O 7. e3 Bxc3 8. Bxc3 Ne4 9. Rd1 f5 10. Bd3 d6
1926 Budapest – Round 11 – Gruenfeld, Ernst – 1-0 – Yates, Frederic D – G61 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. a3 Bxc3+ 7. Qxc3 Ne4 8. Qc2 O-O 9. g3 d5 10. cxd5 exd5
1926 Budapest – Round 13 – Gruenfeld, Ernst – 1-0 – Borovski, Z. – G74 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 d6 6. e4 Nbd7 7. Be2 e5 8. d5 g6 9. O-O Bg7 10. Ne1 O-O
1926 Budapest – Round 3 – Gruenfeld, Ernst – 1/2-1/2 – Takacs, Sandor – G23 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 c5 6. dxc5 Bxc5 7. Bg5 Be7 8. e3 Na6 9. Be2 O-O 10. O-O d5
1926 Budapest – Round 9 – Kmoch, Hans – 1-0 – Colle, Edgar – G54 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 c5 6. e4 d6 7. d5 Be7 8. Be2 O-O 9. O-O e5 10. Ne1 Ne8
1926 Hannover – Round 6 – Von Holzhausen, Walther – 1/2-1/2 – Saemisch, Friedrich – G17 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. g3 Bb4 6. Bd2 O-O 7. Bg2 d6 8. O-O Nbd7 9. a3 Bxc3 10. Bxc3 Ne4
1926 Hastings Premier /27 7th – Round 1 – Teller, Alfred – 1/2-1/2 – Colle, Edgar – G3 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Qc2 c5 6. e4 d6 7. Be2 Be7 8. O-O Nc6 9. d5 Nd4 10. Nxd4 cxd4
1926 Trencianske Teplice – Round 5 – Pokorny, Amos – 0-1 – Gilg, Karl – G5 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Qc2 c5 6. e4 cxd4 7. Nxd4 Bc5 8. Nb3 Bb4 9. Bd3 Nc6 10. Bf4 Nh5
1927 Homburg – Round ? – Bogoljubow, Efim – 1/2-1/2 – Orbach Wilhelm – G9 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 c5 6. e4 cxd4 7. Nxd4 d6 8. Be2 Nc6 9. Nxc6 Bxc6 10. Bf4 Be7
1927 Kecskemet f I – Round 2 – Gilg, Karl – 1/2-1/2 – Ahues, Carl – G7 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. Bg5 O-O 7. e3 d6 8. Bd3 h6 9. Bh4 Nbd7 10. O-O Bxc3
1927 Kecskemet f II – Round 1 – Gruenfeld, Ernst – 1-0 – Vukovic, Vladimir – G1 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. a3 Bxc3+ 7. Qxc3 Ne4 8. Qc2 O-O 9. g3 f5 10. Bg2 Nc6
1927 Kecskemet f II – Round 5 – Gruenfeld, Ernst – 1/2-1/2 – Takacs, Sandor – G13 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. a3 Bxc3+ 7. Qxc3 O-O 8. g3 d6 9. Bg2 Nbd7 10. O-O Qe7
1927 Kecskemet I – Round 3 – Asztalos, Lajos – 1/2-1/2 – Gilg, Karl – G12 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. Bg5 O-O 7. e3 h6 8. Bh4 d5 9. cxd5 exd5 10. Bd3 Nbd7
1927 Kecskemet II – Round 2 – Przepiorka, Dawid – 0-1 – Nimzowitsch, Aron – G7 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. a3 Bxc3+ 7. Qxc3 d6 8. g3 Nbd7 9. Bg2 Qe7 10. O-O O-O
1927 Kecskemet-A – Round 3 – Mueller, Hans – 0-1 – Takacs, Sandor – G4 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 c5 6. e4 cxd4 7. Nxd4 Nc6 8. Nb3 Ne5 9. Bf4 Ng6 10. Bg3 Bb4
1927 London Olympiad 1st – Round 1.22 – Kostic, Boris – 0-1 – Nagy, Geza – G1 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. g3 Bb4 6. Bd2 c5 7. dxc5 Bxc5 8. Bg2 O-O 9. O-O Nc6 10. Bg5 Na5
1927 London Olympiad 1st – Round 13.53 – Renaud, Georges – 1/2-1/2 – Carls, Carl – G142 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb7 5. Qc2 Bb4 6. g3 c5 7. dxc5 Bxc5 8. Bg2 Nc6 9. O-O O-O 10. Bg5 Be7
1927 Prague Evony – Round 13 – Skalicka, Karel – 1-0 – Treybal, Frantisek – G22 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bf4 Bb4 6. e3 O-O 7. Bd3 Ne4 8. Qc2 Bxc3+ 9. bxc3 f5 10. h4 h6
1927 Trebitsch mem11 – Round 11 – Gruenfeld, Ernst – 1-0 – Steiner, Lajos – G19 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. a3 Bxc3+ 7. Qxc3 Ne4 8. Qc2 d6 9. g3 Nd7 10. Bg2 f5
1927 Trebitsch mem11 – Round 5 – Gruenfeld, Ernst – 1-0 – Lokvenc, Josef – G10 1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. Nc3 Bb7 5. Qc2 c5 6. e4 cxd4 7. Nxd4 Nc6 8. Nb3 Rc8 9. Bf4 Nb4 10. Qb1 Be7
1928 Berlin Cafe Koenig – Round 9 – Ahues, Carl – 1-0 – Steiner, Lajos – G44 1. Nf3 Nf6 2. c4 e6 3. Nc3 b6 4. d4 Bb7 5. Qc2 Bb4 6. e3 Ne4 7. a3 Bxc3+ 8. bxc3 f5 9. Bd3 d6 10. O-O O-O
1928 Dortmund – Round 5 – Bogoljubow, Efim – 1/2-1/2 – Johner, Paul – G12 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Qc2 Bb4 6. a3 Bxc3+ 7. Qxc3 Ne4 8. Qe3 O-O 9. Nd2 Nf6 10. b3 d5
1928 The Hague – Round 1 – Alhuay Grau, Dominick Fabricio – 0-1 – Bluemich, Max – G2 1. d4 Nf6 2. c4 e6 3. Nc3 b6 4. Nf3 Bb7 5. Qc2 Bb4 6. Bd2 O-O 7. g3 Nc6 8. O-O-O Na5 9. b3 Ba3+ 10. Kb1 Nc6
1928 The Hague – Round 1 – Andersen, Erik – 1-0 – Hilse – G3 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Qc2 Bb4 6. Bg5 c5 7. e3 cxd4 8. exd4 O-O 9. Bd3 h6 10. Bh4 d5
1928 Vienna – Round 8 – Gruenfeld, Ernst – 1/2-1/2 – Mueller, Hans – G49 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. Bg5 O-O 7. e3 d6 8. Bd3 Bxc3+ 9. Qxc3 Nbd7 10. Qc2 h6
1928 World Championship Amateur – Round 1 – Tyroler, Alexandru – 1/2-1/2 – Przepiorka, Dawid – G1 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. a3 Bxc3+ 7. Qxc3 Ne4 8. Qc2 O-O 9. g3 f5 10. Bg2 Nc6
1929 Karlsbad – Round 1 – Tartakower, Savielly – 1/2-1/2 – Johner, Paul – G71 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. Bd2 O-O 7. e3 d5 8. cxd5 exd5 9. Bd3 Nbd7 10. O-O Re8
1930 Hamburg ol – Round ? – Lundin, Erik – 1-0 – Mueller, Hans – G17 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. g3 Bb4 6. Qc2 Be4 7. Qd2 c5 8. dxc5 bxc5 9. Bg2 Bc6 10. O-O O-O
1931 Buenos Aires – Round 1 – Maderna, Carlos – 1-0 – Nogues Acuna, Alejandro – G16 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Qc2 Bb4 6. a3 Bxc3+ 7. Qxc3 Ne4 8. Qc2 O-O 9. g3 c5 10. Bg2 d5
1931 Moskou ch-URS – Round 1 – Verlinsky, Boris – 0-1 – Kan, Ilya A – G130 1. Nf3 Nf6 2. d4 b6 3. c4 e6 4. Nc3 Bb7 5. Qc2 Bb4 6. Bg5 h6 7. Bd2 Bxc3 8. Bxc3 Ne4 9. e3 O-O 10. Bd3 f5
1932 Berlin GER – Round 7 – Rotenstein, Simon – 0-1 – Koch, Berthold – G11 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Qc2 Bb4 6. e3 Ne4 7. Bd3 f5 8. O-O Bxc3 9. bxc3 d6 10. Nd2 Nxd2
1932 Londen – Round 8 – Tartakower, Savielly – 1-0 – Flohr, Salo – G20 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 d6 6. e4 Nbd7 7. h3 e5 8. Be3 exd4 9. Bxd4 Qe7 10. O-O-O O-O-O
1935 Bad Nauheim – Round 7 – Stoltz, Gabriel – 1-0 – Roedl, Ludwig – G27 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Qc2 Bb4 6. a3 Bxc3+ 7. Qxc3 Ne4 8. Qc2 d6 9. g3 Nd7 10. Bg2 Qc8
1935 Moscow – Round 16 – Lisitsin, Georgy – 1-0 – Kan, Ilya A – G78 1. Nf3 Nf6 2. c4 b6 3. d4 e6 4. Nc3 Bb7 5. Qc2 Bb4 6. a3 Bxc3+ 7. Qxc3 Ne4 8. Qc2 O-O 9. g3 f5 10. Bg2 Nf6
1937 Tbilisi ch-URS – Round 1 – Goglidze, Viktor – 1/2-1/2 – Konstantinopolsky, Alexander – G75 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. g3 Bb4 6. Bd2 Nc6 7. d5 Ne7 8. dxe6 fxe6 9. Bg2 O-O 10. O-O Ng6
1938 Paris L'Echiquier – Round 4 – Hoenlinger, Baldur – 1-0 – Matveeff, Volodia – G9 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Qc2 d5 6. cxd5 exd5 7. Bg5 Be7 8. e3 O-O 9. Bd3 h6 10. Bf4 Na6
1938 Plymouth Jubilee – Round 4 – List, Paul – 0-1 – Thomas, George Alan – G9 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. g3 Bb4 6. Bg2 O-O 7. O-O Re8 8. Qc2 d5 9. a3 Bxc3 10. Qxc3 Nbd7
1938 URS Ch, semi final – Round 1 – Konstantinopolsky, Alexander – 0-1 – Kopaev, Nikolay A – G20 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Qc2 c5 6. dxc5 Bxc5 7. Bg5 h6 8. Bh4 g5 9. Bg3 Nh5 10. Be5 O-O
1945 Tbilisi – Round 1 – Palavandishvili – 1/2-1/2 – Petrosian, Tigran A. – G7 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Qc2 Bb4 6. e3 O-O 7. Bd3 c5 8. Bd2 cxd4 9. exd4 Bxf3 10. gxf3 Nc6
1947 Lueneburg – Round 11 – Surmann, Friedrich – 0-1 – Bogoljubow, Efim – G11 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Qc2 c5 6. e4 cxd4 7. Nxd4 Bc5 8. Nb3 Nc6 9. Nxc5 bxc5 10. Bd3 Ng4
1948 Karlovy Vary – Round 3 – Tartakower, Savielly – 0-1 – Rohacek, Ivan – G43 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. Nc3 Bb7 5. g3 c5 6. dxc5 bxc5 7. Bg2 Be7 8. O-O O-O 9. Qc2 d6 10. Bg5 Qc8
1949 Berlin GER – Round 5 – Vogel Walter – 1-0 – Teschner, Rudolf – G4 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Qc2 Bb4 6. Bd2 O-O 7. e3 Bxc3 8. Bxc3 Ne4 9. Bd3 f5 10. O-O Nxc3
1954 Mar del Plata – Round 21 – Benko, Francisco – 1-0 – Perez Alcocer, Jose – G159 1. Nf3 Nf6 2. d4 b6 3. c4 e6 4. Nc3 Bb7 5. g3 c5 6. d5 exd5 7. cxd5 d6 8. e4 Be7 9. Be2 O-O 10. O-O Re8
1957 Reykjavik – Round 6 – Gudmundsson, Gudbjartur – 1/2-1/2 – Olafsson, Fridrik – G39 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. g3 Bb4 6. Bg2 Bxc3+ 7. bxc3 Be4 8. O-O O-O 9. Ne1 Bxg2 10. Nxg2 Nc6
1957 Sombor – Round 4 – Tot, Bora – 0-1 – Janosevic, Dragoljub – G51 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. g3 Ne4 6. Bd2 Nxc3 7. Bxc3 d5 8. Bg2 Nd7 9. Nd2 Be7 10. O-O O-O
1958 WchT U26 fin-A 05th – Round 6 – Panno, Oscar – 1/2-1/2 – Bobotsov, Milko G – G62 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. g3 d5 6. cxd5 Nxd5 7. Bg2 Nd7 8. O-O Be7 9. Re1 Nxc3 10. bxc3 Be4
1960 Reggio Emilia 6061 03rd – Round 2 – Napolitano, Mario – 0-1 – Glass, Eduard – G5 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Qc2 d5 6. Bg5 Be7 7. e3 Nbd7 8. cxd5 exd5 9. Bd3 O-O 10. O-O Ne4
1963 Leipzig Open 6364 2nd – Round 2 – Muehlberg, Siegfried – 1-0 – Schoeneberg, Manfred – G6 1. c4 Nf6 2. Nf3 e6 3. d4 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. a3 Bxc3+ 7. Qxc3 Ne4 8. Qc2 f5 9. e3 O-O 10. b4 d6
1964 Ch (Men) Budapest HUN – Round 1 – Sapi, Laszlo – 0-1 – Dely, Peter – G11 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. g3 Bb4 6. Qb3 Nc6 7. d5 Bxc3+ 8. Qxc3 exd5 9. cxd5 Nxd5 10. Qxg7 Qf6
1967 It II Beverwijk NED – Round 12 – Szily, Jozsef – 1-0 – Keller, Dieter – G26 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb7 5. Qc2 d5 6. e3 a6 7. cxd5 exd5 8. Bd3 Bd6 9. O-O Qe7 10. Re1 Ne4
1969 It – Round 13 – Szily, Jozsef – 1/2-1/2 – Larsen, Bent – G12 1. d4 Nf6 2. c4 b6 3. Nf3 Bb7 4. Nc3 e6 5. g3 Bb4 6. Bd2 O-O 7. Bg2 d6 8. O-O Nbd7 9. a3 Bxc3 10. Bxc3 Ne4
Interpolis 1984 – Round 1 – Ribli, Zoltan – 1-0 – Sosonko, Gennadi – G22 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. g3 d5 6. cxd5 Nxd5 7. Bg2 Nd7 8. O-O Be7 9. Nxd5 exd5 10. Qc2 O-O
Interpolis 1993 – Round 1 – Johansen, Dan T – 1-0 – Rozentalis, Eduardas – G59 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. a3 Bxc3+ 7. Qxc3 d6 8. e3 Nbd7 9. Be2 O-O 10. O-O Qe7
Johannesburg 1981 – Round 3 – Korchnoi, Viktor – 1-0 – Huebner, Robert – G13 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bf4 Be7 6. Qc2 Nh5 7. Bd2 d5 8. cxd5 exd5 9. g3 O-O 10. Bg2 Nf6
Linares 1985 – Round 1 – Korchnoi, Viktor – 1-0 – Adorjan, Andras – G16 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. g3 Bb4 6. Bd2 Nc6 7. a3 Bxc3 8. Bxc3 d5 9. Bg2 dxc4 10. Ne5 Nd5
Reggio Emilia8586 1985 – Round 7 – Ribli, Zoltan – 1/2-1/2 – Portisch, Lajos – G11 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. g3 Bb4 6. Bd2 c5 7. Bg2 O-O 8. O-O Nc6 9. Rc1 1/2-1/2
Saint Louis Blitz 2019 – Round 3.5 – Carlsen, Magnus – 1-0 – Mamedyarov, Shakhriyar – G15 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Nf3 e6 5. g3 Bb4 6. Bd2 Bxc3 7. Bxc3 Ne4 8. Rc1 O-O 9. Bg2 d6 10. O-O Nxc3
World Rapid Final 2012 – Round 9 – Mamedyarov, Shakhriyar – 1-0 – Karjakin, Sergey – G71 1. Nf3 Nf6 2. c4 b6 3. Nc3 Bb7 4. d4 e6 5. Bf4 Bb4 6. Qb3 a5 7. e3 d6 8. Rd1 Nbd7 9. Be2 Ne4 10. O-O Bxc3

E12w —

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7

Eval: [+0.08]

Les coups candidats

5.a3 — 37.9% (5103 parties) →

Ambassadeurs : Dreev, Aleksey (58x), Miles, Anthony J (32x), Tiviakov, Sergei (32x), Kozul, Zdenko (32x), Polugaevsky, Lev (27x), Portisch, Lajos (24x), Piket, Jeroen (24x), Anastasian, Ashot (24x)

5.Bg5 — 32.5% (4379 parties) →

Ambassadeurs : Uhlmann, Wolfgang (20x), Korchnoi, Viktor (20x), Seirawan, Yasser (18x), Spassky, Boris Vasily (16x), Malakhatko, Vadim (16x), Bobotsov, Milko G (15x), Svetushkin, Dmitry (15x), Portisch, Lajos (14x)

5.e3 — 16.0% (2148 parties) →

Ambassadeurs : Langeweg, Kick (7x), Gligoric, Svetozar (7x), Euwe, Max (6x), Ree, Hans (6x), Michiels, André (6x), Najdorf, Miguel (5x), Alekhine, Alexander (4x), Geller, Efim P. (4x)

5.g3 — 6.5% (872 parties)

Ambassadeurs : Saemisch, Friedrich (5x), Reti, Richard (4x), Ribli, Zoltan (4x), Von Herman, Ulf (4x), Stone, Raymond (4x), Korchnoi, Viktor (4x), Ackermann, Emil (4x), Bogoljubow, Efim (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.a3	5.Bg5	5.e3	5.g3
<1800	461	19%	36%	25%	7%
1800-2200	3839	27%	33%	22%	9%
2200-2600	5631	53%	29%	9%	5%
2600+	516	68%	23%	5%	2%

Évolution par décennie (% des parties)

Décennie	N parties	5.a3	5.Bg5	5.e3	5.g3
1900s	1	—	100%	—	—
1910s	3	—	67%	33%	—
1920s	151	3%	32%	19%	12%
1930s	113	8%	42%	25%	6%
1940s	46	2%	43%	26%	13%
1950s	120	3%	41%	37%	12%
1960s	317	21%	61%	13%	3%
1970s	314	34%	37%	19%	7%
1980s	1407	59%	24%	7%	5%
1990s	2234	43%	33%	13%	6%
2000s	4337	37%	36%	16%	5%
2010s	3758	34%	29%	20%	8%
2020s	662	38%	27%	14%	13%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.a3	34%	38%	▲ +4.1%
5.Bg5	29%	27%	▼ -2.3%
5.e3	20%	14%	▼ -6.7%
5.g3	8%	13%	▲ +5.5%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 10 parties
Smyslov, Vladimir — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Euwe, Max — 9 parties
Karpov, Aleksandr — 9 parties
Kramnik, Vladimir — 9 parties
Botvinnik, Mikhail — 7 parties
Lasker, Emanuel — 3 parties
Hou, Yifan — 3 parties
Ju, Wenjun — 1 partie
Gukesh D — 1 partie

Parties historiques

5.a3 — 37.9% (5103 parties)

1921 — Davidson Gallego, Jorge vs D Marco, Gianni — 1/2-1/2 — The Hague NED
1926 — Ahues, Carl vs Gruenfeld, Ernst — 0-1 — Berlin GER
1927 — Flohr, Salo vs Poisl, Arnost — 1-0 — Prague CZE
1929 — Baratz, Abraham vs Lazard, Frederic — 1/2-1/2 — Paris FRA
1930 — Sultan Khan, Mir vs Capablanca, José Raúl — 1-0 — Hastings ENG

5.Bg5 — 32.5% (4379 parties)

1909 — Gregory, Bernhard vs Rozanov, Vasily I — 1-0 — St Petersburg RUS
1915 — Nenarokov, Vladimir vs Alekhine, Alexander — 0-1 — Moscow RUS
1918 — Gruer, EW. vs Mlotkowski, Stasch — 1/2-1/2 — Los Angeles, CA USA
1920 — Von Gelder vs Euwe, Max — 0-1 — Amsterdam NED
1920 — Gruenfeld, Ernst vs Berndtsson, Karl — 1/2-1/2 — Goteborg SWE

5.e3 — 16.0% (2148 parties)

1914 — Bernstein, Ossip vs Nimzowitsch, Aron — 1/2-1/2 — St Petersburg RUS
1920 — Rabinovich, Ilya Mar vs Alekhine, Alexander — 0-1 — Moskou ch-URS
1920 — Van Trotsenburg, B vs Euwe, Max — 0-1 — Amsterdam NED
1920 — Marchand, Max vs Berndtsson, Karl — 1-0 — Goteborg SWE
1920 — Marchand, Max vs Saemisch, Friedrich — 1-0 — Goteborg SWE

5.g3 — 6.5% (872 parties)

1920 — Bogoljubow, Efim vs Spielmann, Rudolf — 0-1 — Goteborg SWE
1921 — Alekhine, Alexander vs Saemisch, Friedrich — 1/2-1/2 — Triberg
1921 — Bogoljubow, Efim vs Alekhine, Alexander — 1/2-1/2 — Triberg
1922 — Saemisch, Friedrich vs Reti, Richard — 0-1 — Berlin GER
1922 — Saemisch, Friedrich vs Reti, Richard — 1/2-1/2 — Berlin m/2

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