E12 — Queen's Indian Defense: Kasparov Variation

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 ● 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, e5 et g5 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 (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 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) ; ...Bb7 (Fou actif (mobilité 6), Développer c8,) ; ...Bb4 (Clouer c3, Fou actif (mobilité 7), Développer f8,) ; ...Nc6 (Développer Nb8) ; ...Bg4 (Clouer Nf3).

Avantages

Faiblesses adverses

Diagonale active

Plans

-0.24 léger avantage noir. Base Masters : Blancs 32.6%, Nulles 44.1%, Noirs 23.3%.

Coups candidats

auto

Analyse coup par coup — 7 demi-coups commentés

1.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
1…Nf6 Contrôle e4, d5.
2.c4 Avancée centrale — contrôle b5, d5. Prépare d4, Nc3, e4.
2…e6 Avancée centrale — contrôle d5, f5. Prépare d5, Be7, Bd6.
3.Nf3 Contrôle f4, c5, d5, e5.
3…b6 Prépare le fianchetto du Fou (Bb7).
4.Nc3 Contrôle e4, f4, c5, d5.

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)	—
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 2)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (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	● 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
1920 Gothenburg-B – Round 7 – Gruenfeld, Ernst – 1/2-1/2 – Berndtsson, Karl – G41 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 O-O 7. Bd3 d5 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. O-O Nd7
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
1922 London – Round 11 – Vidmar, Marjeta – 1-0 – Wahltuch, Victor – G24 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Nxe4 Bxe4 8. Bf4 O-O 9. Nd2 Bb7 10. Bd3 f5
1922 London – Round 8 – Atkins, Henry Ernest – 0-1 – Guillen Watson, Cesar Augusto – G18 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 O-O 7. Bd3 c5 8. O-O d5 9. cxd5 Nxd5 10. Bxe7 Qxe7
1922 Vienna – Round ? – Gruenfeld, Ernst – 0-1 – Vukovic, Vladimir – G97 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Bg5 Be7 6. Qc2 h6 7. Bh4 c5 8. dxc5 Bxc5 9. e3 O-O 10. Be2 Be7
1923 Karlsbad – Round 1 – Bernstein, Jacob – 1/2-1/2 – Maroczy, Geza – G46 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 O-O 7. Bd3 d5 8. cxd5 exd5 9. O-O Ne4 10. Bxe7 Qxe7
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
1924 Leningrad – Round 1 – Rochlin, J. – 1-0 – Lasker, Emanuel – G4 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. g3 O-O 7. Bg2 h6 8. Bxf6 Bxf6 9. O-O Nc6 10. e4 d6
1925 Debrecen – Round 1 – Cs. Nagy, Gabor – 0-1 – Prokes, Ladislav – G78 1. Nf3 b6 2. d4 Bb7 3. c4 e6 4. Nc3 Nf6 5. Bg5 Be7 6. Bf4 Ne4 7. Nd2 Nxc3 8. bxc3 d6 9. e4 Nd7 10. Be3 e5
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 13 – De La Torre Huertas, Carlos – 0-1 – Spielmann, Rudolf – G84 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Nf3 e6 5. Bg5 h6 6. Bf4 d5 7. e3 a6 8. Rc1 Bd6 9. Bd3 Bxf4 10. exf4 dxc4
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 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 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 Buenos Aires exh – Round 1 – Alekhine, Alexander – 0-1 – Perez Gomar, G. – G12 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 O-O 7. Bd3 d6 8. Qe2 Nbd7 9. O-O-O c5 10. Kb1 d5
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-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 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 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 Bad Kissingen – Round 1 – Bogoljubow, Efim – 0-1 – Capablanca, Jose – G6 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Nxe4 Bxe4 9. Nd2 Bb7 10. Be2 Qg5
1928 Berlin BSG – Round 5 – Saemisch, Friedrich – 1/2-1/2 – Tartakower, Savielly – G5 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Bg5 Be7 6. Qc2 h6 7. Bh4 O-O 8. e3 d5 9. Be2 Nbd7 10. O-O Rc8
1929 Barcelona – Round 1 – Ribera Arnal, Angel – 0-1 – Capablanca, Jose – G3 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Nxe4 Bxe4 9. Bd3 Bb7 10. O-O d6
1929 Barcelona – Round 6 – Ribera, Angel – 0-1 – Yates, Frederic D – G12 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Bg5 Be7 6. Bxf6 Bxf6 7. e4 d6 8. Qc2 Nd7 9. Bd3 e5 10. d5 a5
1929 Duisburg – Round 11 – Helling, Karl – 1-0 – Porath, Yosef – G11 1. Nf3 Nf6 2. d4 b6 3. c4 Bb7 4. Nc3 e6 5. Bg5 Be7 6. Qc2 d5 7. cxd5 Nxd5 8. Nxd5 Bxd5 9. Bxe7 Qxe7 10. e4 Qb4+
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
1930 Hamburg olm – Round 12.1 – Marshall Viele, Fabrizio Aaron – 1-0 – Landau, Salo – G34 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bxf6 Qxf6 7. a3 Qd8 8. e4 Be7 9. Bd3 d6 10. Qe2 Nd7
1931 Blitz Match – Round 3 – Koenig, Imre – 1-0 – Duchamp, Marcel – G4 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 d5 7. e3 c6 8. cxd5 cxd5 9. Qa4+ Nfd7 10. Bf4 O-O
1931 Prague ol – Round 16 – Marshall Viele, Fabrizio Aaron – 0-1 – Zimmermann, Otto – G64 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 c5 7. d5 Nxd5 8. cxd5 Bxg5 9. Nb5 O-O 10. d6 Nc6
1932 Budapest – Round 1 – Szekely, Jeno – 0-1 – Joyeux Steiner, Gael – G21 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. e4 g5 8. Qd3 Nc6 9. e5 Qe7 10. a3 Bg7
1932 Budapest – Round 1 – Szekely, Jeno – 0-1 – Lilienthal, Andor – G31 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Bxf6 Bxf6 7. e4 d6 8. Qd2 Nd7 9. Be2 O-O 10. O-O e5
1932 Linz m – Round 8 – Eliskases, Erich – 1/2-1/2 – Spielmann, Rudolf – G8 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 d5 7. e3 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. Qxc3 exd5
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
1933 Paris Paris FRA – Round 8 – Zuckerman, Bernard – 1-0 – Lazard, Frederic – G8 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 d6 7. e4 Nbd7 8. Be2 h6 9. Bf4 O-O 10. e5 Ne8
1934 Mar del Plata – Round 9 – Aponte Carranza, Alfredo – 0-1 – Hounie Fleurquin, Carlos – G46 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bf4 d6 8. Bd3 f5 9. Qc2 Nxc3 10. Qxc3 g5
1936 Budapest HUN – Round 12 – Rethy, Pal – 1-0 – Balogh, Janos – G18 1. Nf3 Nf6 2. d4 b6 3. c4 Bb7 4. Nc3 e6 5. Bg5 Be7 6. Qc2 d5 7. e3 Nbd7 8. cxd5 exd5 9. Bf4 O-O 10. Bd3 c5
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 Ch (Men) Argentina ARG – Round 10 – Lalich, Voyin – 1-0 – Corte, Cesar J – G14 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 O-O 7. Bd3 d5 8. Qc2 h6 9. h4 c5 10. cxd5 exd5
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
1941 Munchen – Round 2 – Rethy, Pal – 0-1 – Rabar, Bakhtyar Hamasaleh – G30 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Qc2 Nxc3 9. Qxc3 d6 10. Be2 Nd7
1946 Moscow RUS – Round 1 – Ragozin, Viacheslav – 1-0 – Bondarevsky, Igor – G1 1. c4 Nf6 2. Nf3 b6 3. Nc3 Bb7 4. d4 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. Qd3 Bb4 8. O-O-O Bxc3 9. Qxc3 d6 10. g3 Nd7
1946 POL Ch – Round 3 – Ciejka, Tadeusz – 0-1 – Plater, Kazimierz – G16 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 O-O 7. Bd3 h6 8. Bh4 d6 9. Qc2 Nbd7 10. O-O-O c5
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
1948 South Fallsburg ch-USA – Round 1 – Ulvestad, Olaf – 1-0 – Heitner, I. – G38 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. Nc3 Be7 6. Qc2 d5 7. cxd5 exd5 8. e3 Ne4 9. Bf4 Bd6 10. Bxd6 Nxd6
1949 URS Ch, semi final – Round 1 – Beilin, Mikhail – 0-1 – Goldberg, Grigory A – G38 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 h6 7. Bh4 d6 8. Rd1 Nbd7 9. e4 Nh5 10. Bxe7 Qxe7
1951 Hungary Ch – Round 1 – Gereben, Erno – 1/2-1/2 – Szabo, Ladislav – G15 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Bg5 Be7 6. Qc2 c5 7. e3 cxd4 8. Nxd4 Nc6 9. O-O-O Nxd4 10. Rxd4 Rc8
1951 Wertheim Memorial – Round 2 – Bisguier, Arthur B – 1-0 – Evans, Larry M – G7 1. c4 Nf6 2. d4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 d5 7. e3 O-O 8. O-O-O Nbd7 9. h4 Ne4 10. Bd3 f5
1952 URS ch sf – Round 1 – Ragozin, Viacheslav – 1/2-1/2 – Pasman Marks – G4 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 d5 7. e3 O-O 8. O-O-O Nc6 9. h4 Nb4 10. Qb3 a5
1953 Candidats Tournament – Round 4 – Geller, Efim P – 0-1 – Boleslavsky, Isaac – G18 1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bxf6 Qxf6 7. e4 Bb4 8. Bd3 c5 9. O-O cxd4 10. Nb5 Qd8
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
1955 Prague tm – Round 6 – Ujtelky, Maximilian – 1/2-1/2 – Weiner, Milan – G40 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Qd3 h6 7. Bxf6 Bxf6 8. e4 d6 9. O-O-O Nd7 10. Qe3 Qc8
1956 Dublin – Round 1 – O'Sullivan, Donal – 0-1 – Golombek, Harry – G5 1. Nf3 Nf6 2. c4 b6 3. Nc3 Bb7 4. d4 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. e4 Bb4 8. Bd3 c5 9. e5 Qe7 10. O-O cxd4
1956 URS Ch sf – Round ? – Shamkovich, Leonid – 1-0 – Matskevich, Avshalom – G40 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 d5 7. e3 O-O 8. Rd1 Nbd7 9. Bd3 h6 10. Bh4 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 Leipzig olm fin-B – Round 7 – From, Sigfred – 1/2-1/2 – Seth BC – G87 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 d5 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. e4 Nxc3 10. bxc3 O-O
1960 Leipzig olm prel – Round 3 – Malich, Burkhard, Dr. – 1-0 – Rantanen, Yrjo A. – G90 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 d5 7. e3 Nbd7 8. O-O-O c5 9. dxc5 bxc5 10. cxd5 exd5
1960 Leningrad ch-URS – Round 6 – Spassky, Boris Vasily – 1/2-1/2 – Lutikov, Anatoly S – G50 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bf4 Bb4 8. Qc2 O-O 9. Bd3 f5 10. O-O Bxc3
1960 Olympiad prel III – Round 5 – Kozma, Julius – 0-1 – Haygarth, Michael J – G36 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 d5 7. e3 Nbd7 8. cxd5 exd5 9. Bd3 O-O 10. Ne5 Nxe5
1960 Olympiad prel III – Round 5 – Szabo, Laszlo – 1/2-1/2 – Gudmundsson, Arinbjorn – G35 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Rc1 d6 9. Nxe4 Bxe4 10. Nd2 Bb7
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
1961 Budapest ch-HUN – Round 1 – Kluger, Gyula – 0-1 – Portisch, Lajos – G43 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bxf6 Qxf6 7. e4 Bb4 8. e5 Qf4 9. Be2 O-O 10. O-O Bxc3
1961 Chigorin Memorial – Round 6 – Garcia Gonzales, Guillermo – 0-1 – Unzicker, Wolfgang – G12 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 c5 7. e4 cxd4 8. Nxd4 Nc6 9. Nxc6 Bxc6 10. Be2 Qc7
1961 Moskou – Round 1 – Petrosian, Tigran A. – 1/2-1/2 – Geller, Efim P – G40 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Nxe4 Bxe4 8. Bxe7 Qxe7 9. Be2 Qb4+ 10. Qd2 Qxd2+
1961 Soviet-ch28 – Round 10 – Spassky, Boris V. – 0-1 – Polugaevsky, Lev – G15 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Nxe4 Bxe4 8. Bf4 O-O 9. Bd3 Bb4+ 10. Kf1 Bxd3+
1962 Capablanca Memorial – Round 15 – Polugaevsky, Lev – 1/2-1/2 – Najdorf, Miguel – G148 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Nxe4 Bxe4 8. Bf4 O-O 9. Bd3 Bxd3 10. Qxd3 f5
1962 Copenhagen – Round 8 – From, Sigfred – 0-1 – Holm, Sejer – G46 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. Nc3 d5 6. cxd5 exd5 7. e3 Be7 8. Qb3 O-O 9. Bd3 Nbd7 10. Rc1 c6
1962 Erevan ch-URS – Round 1 – Bannik, Anatolij – 1-0 – Zaitsev, Igor A – G43 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Qc2 f5 9. Bd3 Nxc3 10. Qxc3 O-O
1963 Halle zt – Round 1 – Malich, Burkhard, Dr. – 1-0 – Kanko, Ilkka – G36 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 d5 7. e3 h6 8. Bxf6 Bxf6 9. cxd5 exd5 10. O-O-O Be7
1963 Leningrad ch-URS – Round 1 – Kortchnoi, V. – 0-1 – Taimanov, M. – G47 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 c5 7. Bxf6 Bxf6 8. d5 O-O 9. d6 Bxc3+ 10. bxc3 f5
1963 Pan American Ch – Round 1 – De Greif, Boris – 0-1 – Cobo Arteaga, Eldis – G1 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 O-O 7. Bd3 c5 8. O-O cxd4 9. exd4 d5 10. Bxf6 Bxf6
1963 UKR Ch – Round 10 – Kots, Yuri I – 1-0 – Romanovsky, Rem Konstantinovich – G62 1. c4 Nf6 2. Nf3 b6 3. Nc3 Bb7 4. d4 e6 5. Bg5 Be7 6. e3 O-O 7. Bd3 d5 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Rc1 Rc8
1964 Capablanca Memorial – Round 19 – Cobo Arteaga, Eldis – 0-1 – Udovcic, Mijo – G188 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 O-O 7. Be2 Ne4 8. Nxe4 Bxe4 9. Bxe7 Qxe7 10. O-O c5
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
1964 Pecs – Round 14 – Bobotsov, Milko G – 1/2-1/2 – Kholmov, Ratmir D – G84 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Nxe4 Bxe4 9. Bd3 Qb4+ 10. Qd2 Qxd2+
1964 Tel Aviv olm fin-A – Round 11 – Bobotsov, Milko G – 1/2-1/2 – Kraidman, Yair – G235 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Bd3 Nxc3 9. bxc3 d6 10. O-O e5
1964 Tel Aviv olm prel – Round 1 – Ghitescu, Theodor – 0-1 – Aldunce Silva, Roberto – G12 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 O-O 7. Bd3 d5 8. Bxf6 Bxf6 9. cxd5 exd5 10. Qc2 g6
1964 Tel Aviv olm prel – Round 1 – Shakalkar, S. – 0-1 – Zuidema, Coen – G13 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bxf6 Qxf6 7. e4 Bb4 8. Qc2 Bxc3+ 9. bxc3 Nc6 10. Bd3 e5
1964 Zagreb – Round 2 – Bobotsov, Milko G – 1/2-1/2 – Szabo, Laszlo – G8 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Nxe4 Bxe4 9. Bd3 Qb4+ 10. Qd2 Qxd2+
1965 Capablanca Memorial – Round 21 – Cobo Arteaga, Eldis – 1/2-1/2 – Parma, Bruno – G213 1. d4 Nf6 2. c4 e6 3. Nc3 b6 4. Nf3 Bb7 5. Bg5 Be7 6. e3 c5 7. Be2 O-O 8. O-O Ne4 9. Nxe4 Bxe4 10. Bxe7 Qxe7
1965 Capablanca Memorial – Round 4 – Cobo Arteaga, Eldis – 1/2-1/2 – Jimenez Zerquera, Eleazar – G35 1. d4 Nf6 2. c4 e6 3. Nc3 b6 4. Nf3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Nxe4 Bxe4 9. Be2 O-O 10. O-O d6
1965 DDR Ch 15th – Round 3 – Golz, Werner – 1/2-1/2 – Nerenz, Werner – G8 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 h6 7. Bf4 d5 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. a3 c5
1965 FRG Ch Bad Aibling – Round 6 – Besser, Hans – 1/2-1/2 – Unzicker, Wolfgang – G10 1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. d4 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Nxe4 Bxe4 9. Be2 O-O 10. O-O d6
1965 Hamburg etc – Round 7 – Szabo, Ladislav – 1/2-1/2 – Unzicker, Wolfgang – G81 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Nxe4 Bxe4 8. Bf4 O-O 9. Nd2 Bb7 10. Bd3 d6
1965 Hoogovens – Round 15 – Bobotsov, Milko G – 1/2-1/2 – Matanovic, Aleksandar – G113 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Bd3 Nxc3 9. bxc3 d6 10. O-O Nd7
1965 Novi Sad – Round 3 – Planinec, Albin – 0-1 – Damjanovic, Marko – G35 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 d6 7. Qc2 Nbd7 8. O-O-O h6 9. Bh4 g5 10. Bg3 Nh5
1965 Pardubice – Round 1 – Machacek, Petr – 1/2-1/2 – Florian, Jaromir – G8 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Bg5 Qc8 6. Bxf6 gxf6 7. e4 d6 8. d5 c5 9. g3 Na6 10. Bh3 Qd7
1965 Tbilisi Tbilisi GEO – Round 1 – Fuchs, Reinhart – 1/2-1/2 – Pietzsch, Wolfgang – G26 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Nxe4 Bxe4 8. Bxe7 Qxe7 9. Bd3 Bxd3 10. Qxd3 Qb4+
1965 WchT U26 12. prel – Round 5 – Polgar, Istvan – 1-0 – Burt, Gordon J – G48 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bf4 g5 8. Be5 Rg8 9. Qc2 f5 10. d5 g4
1965 Zagreb – Round 1 – Damjanovic, Marko – 1/2-1/2 – Parma, Bruno – G12 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 c5 7. Be2 O-O 8. O-O Ne4 9. Nxe4 Bxe4 10. Bxe7 Qxe7
1965 Zagreb – Round 1 – Uhlmann, Wolfgang – 1-0 – Damjanovic, Marko – G13 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Nxe4 Bxe4 8. Bf4 O-O 9. Nd2 Bg6 10. Be2 Nc6
1965 Zagreb – Round 5 – Uhlmann, Wolfgang – 1-0 – Damjanovic, Mato – G56 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Nxe4 Bxe4 8. Bf4 O-O 9. Nd2 Bg6 10. Be2 Nc6
1966 Bucharest – Round 15 – Korchnoi, Viktor – 1-0 – Acosta Garcia, Rafael Isaac – G54 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Nxe4 Bxe4 8. Bf4 O-O 9. Bd3 Bb4+ 10. Kf1 Bxd3+
1966 Hungary – Round 1 – Kluger, Gyula – 1/2-1/2 – Pogats, Jozsef Jr. – G45 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 d5 7. e3 Nbd7 8. cxd5 exd5 9. Bd3 a6 10. Rd1 c5
1966 Mar del Plata 27th – Round 7 – Schweber, Samuel – 1/2-1/2 – Sanguineti, Raúl Carlos – G24 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Nxe4 Bxe4 9. Nd2 Bb7 10. Be2 O-O
1966 Tbilisi ch-URS – Round 1 – Savon, Vladimir – 1/2-1/2 – Bronstein, David I – G4 1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 c5 7. Bd3 O-O 8. O-O cxd4 9. exd4 d5 10. Bxf6 Bxf6
1966 Venice – Round ? – Antoshin, Vladimir S – 0-1 – Golombek, Harry – G12 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Nxe4 Bxe4 8. Bf4 O-O 9. Bd3 Bxd3 10. Qxd3 f5
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
1967 Mar del Plata Open – Round 5 – Armas Dominguez, Miguel – 1/2-1/2 – Luckis, Marcos – G17 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Nxe4 Bxe4 9. Bd3 Bxd3 10. Qxd3 Qb4+
1967 Maribor – Round 11 – Lengyel, Laszlo – 1/2-1/2 – Matanovic, Aleksandar – G59 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Nxe4 Bxe4 9. Be2 O-O 10. O-O d6
1967 POL Team Ch 20th – Round 11 – Drozd, Ryszard – 1/2-1/2 – Jagodzinski, Waldemar – G75 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Bd3 d5 9. cxd5 exd5 10. Qa4+ Qd7
1967 ROM Ch – Round 14 – Vaisman, Volodia – 0-1 – Gheorghiu, Florin – G93 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 Bb4 8. Be2 Bxc3+ 9. bxc3 d6 10. O-O e5
1967 Toronto Closed – Round 2 – Zagar, Milan – 0-1 – Sarosy, Zoltan L – G2 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. Nc3 h6 6. Bxf6 Qxf6 7. e4 Bb4 8. Bd3 Bxc3+ 9. bxc3 d6 10. O-O Nd7
1968 Belgrade – Round 1 – Rakic, Tomislav – 1-0 – Martinovic, Slobodan – G27 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 d5 7. Bxf6 Bxf6 8. cxd5 exd5 9. e3 O-O 10. Bd3 g6
1968 Hoogovens – Round 10 – Bobotsov, Milko G – 1/2-1/2 – Portisch, Lajos – G87 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 c5 7. Be2 cxd4 8. Qxd4 O-O 9. O-O Nc6 10. Qd2 d5
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
1969 Palma de Mallorca – Round 9 – Bobotsov, Milko G – 1/2-1/2 – Damjanovic, Marko – G80 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 d6 7. e3 Nbd7 8. Qc2 g5 9. Bg3 Nh5 10. Bd3 Nxg3
Amber-rapid 18th 2009 – Round 6 – Wang, Yue(SH) – 1/2-1/2 – Ivanchuk, Vasyl – G17 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 c5 7. Be2 O-O 8. O-O h6 9. Bh4 Nc6 10. Bg3 cxd4
Amber-rapid 3rd 1994 – Round 5 – Kamsky, Gata – 1-0 – Korchnoi, Viktor – G26 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 c5 7. Bd3 O-O 8. O-O cxd4 9. exd4 d5 10. Qe2 dxc4
Amber-rapid 3rd 1994 – Round 7 – Kamsky, Gata – 1-0 – Seirawan, Yasser – G37 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Nxe4 Bxe4 8. Bf4 c5 9. Be2 O-O 10. O-O Nc6
Bugojno 1980 – Round 6 – Karpov, Anatoly – 1/2-1/2 – Polugaevsky, Lev – G23 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 h6 7. Bh4 O-O 8. Be2 c5 9. O-O d6 10. dxc5 bxc5
Bugojno 1980 – Round 6 – Karpov, Anatoly – 1/2-1/2 – Polugaevsky, Lev – G24 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 h6 7. Bh4 O-O 8. Be2 c5 9. O-O d6 10. dxc5 bxc5
Bugojno 1984 – Round 1 – Spassky, Boris V. – 1/2-1/2 – Tal, Mikhail – G18 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 Ne4 7. Nxe4 Bxe4 8. Bxe7 Qxe7 9. Be2 O-O 10. O-O d6
Eurotel Trophy 2002 – Round 1.3 – Sokolov , Ivan – 1-0 – Leko, Peter – G34 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 c5 7. dxc5 bxc5 8. e3 h6 9. Bh4 d6 10. Be2 O-O
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 1984 – Round 1 – Tukmakov, Vladimir B – 1/2-1/2 – Timman, Jan H – G21 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 h6 7. Bh4 c5 8. dxc5 bxc5 9. e3 O-O 10. Be2 d5
Interpolis 1986 – Round 14 – Miles, Anthony J – 1-0 – Korchnoi, Viktor – G47 1. Nf3 Nf6 2. c4 b6 3. Nc3 Bb7 4. d4 e6 5. Bg5 Be7 6. e3 c5 7. Bd3 cxd4 8. exd4 d6 9. O-O Nbd7 10. Rc1 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
Olympiad 2002 – Round 8 – Korchnoi, Viktor – 1-0 – Winants, Luc – G260 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. Qc2 c5 7. dxc5 bxc5 8. Rd1 d6 9. e3 Nbd7 10. Be2 Qb6
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
Tbilisi 1976 – Round 1 – Tal, Mikhail – 1/2-1/2 – Karpov, Anatoly – G17 1. Nf3 Nf6 2. c4 b6 3. Nc3 Bb7 4. d4 e6 5. Bg5 Be7 6. e3 Ne4 7. Bxe7 Qxe7 8. Nxe4 Bxe4 9. Be2 O-O 10. O-O d6
Turin ol (Men) 37th 2006 – Round 6 – Sokolov, Ivan. – 1/2-1/2 – Kramnik, Vladimir – G75 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 c5 7. Bd3 cxd4 8. exd4 O-O 9. O-O d5 10. Bxf6 Bxf6
World Blitz 2015 – Round 3.21 – Vovk, Yuri – 1/2-1/2 – Leko, Peter – G152 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. Nc3 Be7 6. e3 O-O 7. Bd3 h6 8. Bh4 c5 9. dxc5 bxc5 10. O-O Nc6
World Rapid Final 2012 – Round 14 – Kazhgaleyev, Murtas – 1-0 – Ivanchuk, Vasyl – G105 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 O-O 7. Bd3 c5 8. O-O cxd4 9. exd4 d5 10. Bxf6 Bxf6
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

Eval: [+0.08]

Les coups candidats

4…Bb7 — 58.4% (10552 parties) →

Ambassadeurs : Sokolov, Ivan (40x), Polugaevsky, Lev (39x), Korchnoi, Viktor (39x), Dreev, Aleksey (38x), Portisch, Lajos (34x), Miles, Anthony J (31x), Seirawan, Yasser (30x), Balashov, Yuri (28x)

4…Bb4 — 39.6% (7162 parties) →

Ambassadeurs : Seirawan, Yasser (40x), Farago, Ivan (39x), Miles, Anthony J (38x), Roeder, Matthias (32x), Timman, Jan H (31x), Psakhis, Lev (24x), Lerner, Konstantin Z (24x), Solozhenkin, Evgeniy (24x)

4…d5 — 0.8% (152 parties)

Ambassadeurs : Stempin, Pawel (2x), Sarwinski, Miroslaw (2x), Votava, Jan (2x), Mokal, Amruta Sunil (2x), Macek, Kamil (2x), Ivkov, Borislav (1x), Vizantiadis, Lazaros (1x), Langeweg, Kick (1x)

4…Ba6 — 0.7% (134 parties)

Ambassadeurs : Emmanuel, Benjamin (2x), Richard, Louis (1x), Narraway, James (1x), Krizel, Peter (1x), Jutlah, Brian (1x), Reeh, Oliver (1x), Jimenez Rigo, Joan (1x), Konak, Jan (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…Bb7	4…Bb4	4…d5	4…Ba6
<1800	622	56%	39%	1%	2%
1800-2200	4922	58%	39%	1%	1%
2200-2600	8212	55%	44%	1%	0%
2600+	665	62%	38%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	4…Bb7	4…Bb4	4…d5	4…Ba6
1900s	1	—	100%	—	—
1910s	2	100%	—	—	—
1920s	124	89%	10%	—	1%
1930s	83	84%	16%	—	—
1940s	40	68%	32%	—	—
1950s	122	80%	20%	1%	—
1960s	371	81%	17%	1%	—
1970s	307	79%	20%	1%	—
1980s	2238	57%	42%	1%	0%
1990s	3141	58%	40%	1%	1%
2000s	6045	58%	40%	1%	1%
2010s	4906	55%	42%	1%	1%
2020s	700	54%	45%	0%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…Bb7	55%	54%	▼ -1.6%
4…Bb4	42%	45%	▲ +2.7%
4…d5	1%	0%	-0.5%
4…Ba6	1%	1%	-0.2%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 10 parties
Smyslov, Vladimir — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Karpov, Aleksandr — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Kramnik, Vladimir — 9 parties
Euwe, Max — 8 parties
Botvinnik, Mikhail — 7 parties
Hou, Yifan — 4 parties
Lasker, Emanuel — 2 parties
Ju, Wenjun — 1 partie
Gukesh D — 1 partie

Parties historiques

4…Bb7 — 58.4% (10552 parties)

1914 — Bernstein, Ossip vs Nimzowitsch, Aron — 1/2-1/2 — St Petersburg RUS
1915 — Nenarokov, Vladimir vs Alekhine, Alexander — 0-1 — Moscow RUS
1920 — Bogoljubow, Efim vs Spielmann, Rudolf — 0-1 — Goteborg SWE
1920 — Von Gelder vs Euwe, Max — 0-1 — Amsterdam NED
1920 — Rabinovich, Ilya Mar vs Alekhine, Alexander — 0-1 — Moskou ch-URS

4…Bb4 — 39.6% (7162 parties)

1903 — Siegheim, Bruno vs Michell, Reginald — 0-1 — London ENG
1921 — Rivas Costa, Santiago vs Grau, Roberto G — 0-1 — Carrasco
1923 — Prochazka, Hubert vs Tereba, R. — 1/2-1/2 — Pardubice CZE
1924 — Sterk, Karoly vs Reca, Damian M — 1/2-1/2 — Paris FRA
1926 — Rabinovich, Ilya Mar vs Golubev, Ivan Petrovich — 1-0 — Leningrad RUS

4…d5 — 0.8% (152 parties)

1959 — Tolush, Alexander V vs Pietzsch, Wolfgang — 1-0 — Riga LAT
1962 — Langeweg, Kick vs Hamann Yam, Elliott — 1-0 — Marienbad student tt
1963 — Krzisnik, Zvonko vs Jovanic R — 1-0 — Zenica BIH
1966 — Ziembinski, Marian vs Lachut, Jan — 1-0 — Rzeszow ch POL
1967 — Ivkov, Borislav vs Vizantiadis, Lazaros — 1-0 — Vrnjacka Banja SRB

4…Ba6 — 0.7% (134 parties)

1927 — Richard, Louis vs Narraway, James — 1/2-1/2 — Toronto CAN
1985 — Krizel, Peter vs Jutlah, Brian — 1/2-1/2 — Toronto CAN
1987 — Reeh, Oliver vs Jimenez Rigo, Joan — 1-0 — Dortmund open
1987 — Konak, Jan vs Petrik, Stanislav — 0-1 — Salamanca ESP
1988 — Rajna, George vs Kopec, Danny — 0-1 — St John

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