D90a — Gruenfeld: Three Knights Variation

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte b5….

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. 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

Plan principal. Exploiter la case forte f5.

Atouts. Les Noirs s'appuient sur les cases fortes e4, g4 et f5, un avant-poste en f5 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1, le roi resté au centre et une pièce en prise (le pion en c4).

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. ...Nbd7 (Développer Nb8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...e6 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● e5 (2v0), ● g5 (2v0)	● e4 (2v1), ● g4 (2v0), ● f5 (2v0)
Cases faibles	—	● d5
Centre	● d4 (2v0), ● e5 (2v0)	● e4 (2v1)

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. 5)
Bf8		● Bf8 Non développé (mob. 2)
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	fermé
Ruptures	● c4-c5	● …e7-e6, ● …e7-e5

Partie
1911 Karlsbad – Round 1 – Dus Chotimirsky, Fedor – 0-1 – Schlechter, Carl – G28 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. cxd5 cxd5 6. Bg5 Bg7 7. Qb3 e6 8. e3 O-O 9. Bd3 Nc6 10. Ne5 Qa5
1923 DSB-23.Kongress – Round 9 – Gruenfeld, Ernst – 1-0 – Wegemund, Hubert – G30 1. d4 Nf6 2. Nf3 c6 3. c4 d5 4. Nc3 g6 5. cxd5 cxd5 6. Bg5 Bg7 7. Qb3 e6 8. e3 O-O 9. Bd3 Nc6 10. Ne5 Na5
1925 Debrecen – Round 1 – Seitz, Jakob Adolf – 1-0 – Steiner, Laszlo – G1 1. c4 g6 2. Nf3 Bg7 3. d4 Nf6 4. Nc3 d5 5. cxd5 Nxd5 6. Qb3 Nb6 7. e3 Be6 8. Qc2 O-O 9. Be2 Nc6 10. O-O Rc8
1927 London olm – Round 1 – Ruben, Carl – 1/2-1/2 – Stoltz, Gosta – G8 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 g6 5. cxd5 cxd5 6. Qb3 Nc6 7. e3 Bg7 8. Bd3 O-O 9. O-O a6 10. a4 Qd6
1931 Bled – Round 1 – Pirc, Vasja – 1/2-1/2 – Flohr, Salo – G11 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. Qb3 O-O 9. Be2 a6 10. O-O Na5
1932 Amsterdam/Karlsbad m – Round 6 – Euwe, Max – 0-1 – Flohr, Salo – G6 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 dxc4 6. a4 Nd5 7. Bd2 Nb4 8. Rc1 Bg7 9. Nb1 a5 10. Na3 c5
1932 London – Round 11 – De Winter Gallegos, Willy – 1/2-1/2 – Kashdan, Isaac – G35 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 g6 6. Bf4 a6 7. Qb3 Nc6 8. e3 Na5 9. Qc2 Bg7 10. Bd3 O-O
1933 Folkestone Olympiad 5th – Round 10.2 – Enevoldsen, Jens – 1/2-1/2 – Fine, Reuben – G86 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. Bf4 dxc4 6. Be5 Nbd7 7. e3 Nb6 8. Nd2 Be6 9. Be2 Bg7 10. Nce4 O-O
1933 New York – Round 9 – Denker, Arnold S – 0-1 – Fine, Reuben – G24 1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. h3 O-O 8. e3 Qb6 9. Qc2 Nc6 10. Bb5 Ne4
1934 Bad Liebenwerda – Round 5 – Saemisch, Friedrich – 1/2-1/2 – Flohr, Salo – G13 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 dxc4 6. e3 b5 7. Be2 Bg7 8. O-O O-O 9. a4 b4 10. Na2 a5
1935 GER Ch 3rd – Round 13 – Elstner, Rudolf – 0-1 – Rellstab, Ludwig – G17 1. c4 Nf6 2. Nc3 c6 3. d4 d5 4. cxd5 cxd5 5. Nf3 g6 6. Bf4 Nc6 7. e3 Bg7 8. h3 O-O 9. Be2 Qb6 10. Qc1 Bd7
1935 Moscow – Round 2 – Capablanca, Jose – 1/2-1/2 – Botvinnik, Mikhail – G11 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Qb3 Nxc3 7. bxc3 c5 8. e3 O-O 9. Be2 Nd7 10. O-O Qc7
1935 Moskou – Round 1 – Goglidze, Viktor – 0-1 – Botvinnik, Mikhail – G8 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Qb3 Nxc3 7. bxc3 O-O 8. e3 c5 9. Be2 Qc7 10. O-O b6
1935 Moskou – Round 12 – Spielmann, Rudolf – 1/2-1/2 – Flohr, Salo – G62 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 g6 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bg7 8. Bc4 c5 9. O-O O-O 10. Ba3 cxd4
1935 Warschau ol – Round ? – Pleci, Isaias – 1/2-1/2 – Romih, Max – G20 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 g6 6. Bf4 Nc6 7. e3 Bg7 8. Bd3 O-O 9. Rc1 Bg4 10. h3 Bxf3
1936 Munich – Round 1 – Frydman, Paulino – 1-0 – Romi – G2 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bg7 8. Bc4 O-O 9. O-O Bg4 10. h3 Bxf3
1936 Olympiad (unofficial) – Round 12 – Petrov, Vladimirs – 0-1 – Romih, Max – G88 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. cxd5 Nxd5 6. g3 Bg7 7. Bg2 O-O 8. O-O Nf6 9. e4 Bg4 10. h3 Bxf3
1936 Olympiad (unofficial) – Round 8 – Kiprov Alexander Alexandro – 1/2-1/2 – Luckis, Marcos – G66 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Qb3 Nb6 7. Bf4 O-O 8. e3 Be6 9. Qc2 Na6 10. Bxa6 bxa6
1938 Leningrad – Round 1 – Sokolsky, Alexey – 1/2-1/2 – Vasiliev, Viktor A – G2 1. c4 Nf6 2. Nc3 c6 3. d4 d5 4. Nf3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. h3 O-O 9. Bd3 b6 10. O-O Bb7
1938 Lodz – Round 1 – Frydman, Paulino – 1/2-1/2 – Kolski, Jakub – G10 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bg7 8. Bc4 O-O 9. Ba3 Nd7 10. O-O h6
1938 Paris L'Echiquier – Round 6 – Silberberg F – 1-0 – Romih, Max – G15 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bg7 8. Bc4 O-O 9. O-O Nd7 10. Be3 c5
1938 Plymouth Jubilee – Round 4 – Menchik, Vera – 0-1 – Alekhine, Alexander – G11 1. Nf3 d5 2. d4 c6 3. c4 Nf6 4. cxd5 cxd5 5. Nc3 g6 6. Bf4 Bg7 7. Be5 O-O 8. Qb3 Nc6 9. e3 Nxe5 10. Nxe5 Qc7
1939 Birmingham International 2nd – Round 6 – Reynolds, Arthur – 0-1 – List, Paul – G8 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. g3 O-O 6. Qb3 dxc4 7. Qxc4 Be6 8. Qb5 Nc6 9. Qxb7 Qd7 10. e3 a6
1940 Argentina – Round 13 – Piazzini, Luis – 0-1 – Maderna, Carlos – G11 1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. Nc3 g6 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bg7 8. Bc4 c5 9. O-O O-O 10. h3 Nc6
1940 New York ch-USA – Round 14 – Denker, Arnold S – 1-0 – Woliston, Philip – G81 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. g3 O-O 6. Qb3 c6 7. Bg2 dxc4 8. Qxc4 Be6 9. Qd3 Nbd7 10. O-O Nb6
1940 New York ch-USA – Round 6 – Woliston, Philip – 0-1 – Pinkus, Albert – G29 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Qb3 Nxc3 7. bxc3 c5 8. e3 O-O 9. Be2 Qc7 10. O-O b6
1940 URS-sf – Round 1 – Fridman, Daniel – 0-1 – Zhukhovitsky, Samuel – G33 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. g3 O-O 6. cxd5 Nxd5 7. Bg2 Nxc3 8. bxc3 c5 9. O-O Nc6 10. e3 Qa5
1941 Munchen – Round 7 – Füster, Géza – 0-1 – Cortlever, Nico – G60 1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. cxd5 cxd5 5. Nc3 g6 6. Bf4 Nc6 7. e3 Bg7 8. Bb5 O-O 9. O-O Na5 10. b4 a6
1942 Chocen – Round ? – Kottnauer, Cenek – 0-1 – Richter, Emil – G8 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. d4 g6 5. Nf3 Bg7 6. Qb3 Nb6 7. Bf4 Be6 8. Qa3 O-O 9. e3 N8d7 10. Ng5 Bc4
1942 Moscow RUS – Round 1 – Kan, Ilya A – 1-0 – Alatortsev, Vladimir N. – G2 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 Nxd5 6. e4 Nb6 7. Be2 Bg7 8. a4 a5 9. Be3 O-O 10. Qb3 Na6
1942 Sverdlovsk – Round 10 – Sokolsky, Alexey – 1-0 – Poliak, Abram – G48 1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Bd3 Nc6 9. h3 Bf5 10. O-O Rc8
1944 Brno ch CZE – Round 8 – Pachman, Ludek – 1-0 – Olexa, Vilem – G11 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 g6 6. Bf4 Bg7 7. e3 a6 8. Be2 O-O 9. O-O Nc6 10. Ne5 Na7
1944 La Plata Jockey Club – Round 5 – Stahlberg, Gideon – 1-0 – Lynch, Julio – G24 1. c4 Nf6 2. Nf3 c6 3. d4 d5 4. Nc3 g6 5. Qb3 dxc4 6. Qxc4 Bg7 7. Qb3 Nbd7 8. e4 Nb6 9. Be2 O-O 10. O-O Be6
1944 Mar del Plata – Round 1 – Flores Alvarez, Rodrigo – 1-0 – Maderna, Carlos – G5 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 g6 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bg7 8. Ba3 O-O 9. Be2 b6 10. O-O Qc7
1944 Moskou ch-URS – Round 1 – Flohr, Salo – 1-0 – Tolush, Alexander – G56 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nb6 8. Qc2 Bg4 9. Ne5 Be6 10. Be3 O-O
1944 Moskou ch-URS – Round 1 – Flohr, Salo – 1/2-1/2 – Mikenas, Vladas – G57 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Bd7 6. Qb3 dxc4 7. Qxc4 O-O 8. e3 c6 9. Be2 Be6 10. Qa4 h6
1945 Moscow Ch – Round 15 – Lilienthal, Andor – 1-0 – Simagin, Vladimir – G85 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nc7 8. Be3 Nd7 9. Rd1 O-O 10. Be2 Nb6
1945 Moscow Ch – Round 17 – Flohr, Salo – 1-0 – Zhivtsov, A. – G97 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nxc3 8. bxc3 O-O 9. Ba3 Nd7 10. Rd1 Re8
1945 Moscow Ch – Round 6 – Zhivtsov, A. – 1-0 – Zagoriansky, Evgeny – G33 1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. d4 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 a6 8. Ne5 Qb6 9. Qb3 Qb4 10. Be2 Nd7
1945 Moscow Ch – Round 9 – Fridstein, German – 1/2-1/2 – Ragozin, Viacheslav – G46 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 g6 6. Qb3 Nc6 7. Bf4 a6 8. e3 Bg7 9. Be2 O-O 10. Ne5 Na5
1945 Moscow RUS – Round 1 – Bondarevsky, Igor – 0-1 – Ragozin, Viacheslav – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bg5 Ne4 6. Bf4 Bg7 7. e3 O-O 8. Bd3 Bf5 9. O-O Nxc3 10. bxc3 dxc4
1945 Tbilisi – Round 1 – Petrosian, Tigran A. – 0-1 – Kasparian, Genrikh – G6 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Bd7 6. Qb3 dxc4 7. Qxc4 O-O 8. Bf4 c6 9. e4 Be6 10. Qd3 Na6
1946 Barcelona – Round 13 – Perez Perez, Francisco Jose – 1/2-1/2 – Wood, Gabriel – G76 1. c4 Nf6 2. Nc3 c6 3. d4 d5 4. Nf3 g6 5. cxd5 Nxd5 6. e4 Nb6 7. Be2 Bg7 8. O-O Bg4 9. Be3 O-O 10. h3 Bxf3
1946 Buenos Aires ch-ARG – Round 1 – Bolbochan, J. – 1-0 – Lipiniks, Leonardo – G25 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nxc3 8. bxc3 O-O 9. Ba3 b6 10. Rd1 Qc7
1946 Buenos Aires ch-ARG – Round 1 – Sanguinetti, Renato – 1-0 – Rebizzo, Cayetano – G24 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Nc6 6. Bf4 O-O 7. e3 e6 8. h3 Ne8 9. Be2 Bd7 10. Qa3 dxc4
1946 Buenos Aires ch-ARG – Round 19 – Lipiniks, Leonardo – 0-1 – Sanguinetti, Renato – G76 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Bd2 O-O 7. Rc1 c5 8. dxc5 Na6 9. e4 Ndb4 10. Be3 Qa5
1946 London-A – Round 4 – Friedmann, O. – 1-0 – Prins, Laura – G9 1. c4 Nf6 2. Nc3 g6 3. d4 d5 4. Nf3 Bg7 5. Qa4+ Bd7 6. Qb3 dxc4 7. Qxc4 O-O 8. e4 Na6 9. Qb3 c5 10. d5 Qb6
1946 Moscow-Prague – Round 7 – Sajtar, Jaroslav – 0-1 – Smyslov, Vladimir – G29 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Bd7 6. Qb3 Bc6 7. Bf4 dxc4 8. Qxc4 O-O 9. Rd1 Nbd7 10. Ne5 Nxe5
1946 Moscow-Prague tt – Round 5 – Simagin, Vladimir – 1/2-1/2 – Sajtar, Jaroslav – G5 1. c4 Nf6 2. Nf3 g6 3. d4 Bg7 4. Nc3 d5 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nb6 8. Qc2 Be6 9. Be2 Bc4 10. Be3 Na6
1946 Nt – Round 2 – Endzelins, Lucius – 1/2-1/2 – Nuernberg, Friedrich – G2 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 g6 6. Bf4 Bg7 7. Rc1 O-O 8. h3 Nc6 9. e3 Qb6 10. Qb3 Qxb3
1946 Pittsburgh Open – Round 1 – Surgies, Mark – 0-1 – Almgren, Sven – G35 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nb6 8. Qd1 Bg4 9. Be3 O-O 10. Be2 N8d7
1946 Pittsburgh Open – Round 1 – Ulvestad, Olaf – 1-0 – Kupchik, Abraham – G37 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. g3 c6 6. Bg2 O-O 7. Qb3 dxc4 8. Qxc4 Nbd7 9. O-O Nb6 10. Qd3 Nfd5
1946 POL Ch – Round 15 – Gadalinski, Jan – 0-1 – Matkowski, Wiktor – G88 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Be2 Nc6 9. O-O Bf5 10. Rc1 Rc8
1947 GBR Ch 34th – Round 1 – Wood, Gabriel Jacquin – 1-0 – Fairhurst, William – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Nh5 8. Be5 f6 9. Bg3 Nxg3 10. hxg3 Bg7
1947 Mar del Plata – Round 8 – Sanguinetti, Ricardo – 1/2-1/2 – Rossetto, Hector – G71 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 c5 5. cxd5 Qa5 6. dxc5 Bg7 7. Bd2 Qxc5 8. Qb3 O-O 9. Rc1 Nbd7 10. e3 Nb6
1947 Midlands-Czechoslovakia – Round 2 – Sajtar, Jaroslav – 1-0 – Blow, Ronald – G13 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nb6 8. Qd1 Bg4 9. Be3 N8d7 10. Qd2 Bxf3
1947 Moscow – Round 5 – Fridstein, German – 1-0 – Aronin, Lev – G31 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 g6 5. cxd5 Nxd5 6. g3 Bg7 7. Bg2 O-O 8. O-O Nb6 9. Bf4 Bg4 10. Ne5 Bf5
1947 Moscow Ch – Round 1 – Kan, Ilya A – 0-1 – Bogatyrev, O – G12 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Qb3 Nxc3 7. bxc3 O-O 8. Ba3 b6 9. e3 c5 10. Be2 Qc7
1947 Moscow RUS – Round 1 – Kan, Ilya A – 0-1 – Ragozin, Viacheslav – G4 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 g6 5. cxd5 Nxd5 6. e4 Nb6 7. Be3 Bg7 8. Be2 O-O 9. a4 Be6 10. O-O Na6
1948 GER Ch Essen GER – Round 4 – Nuernberg, Friedrich – 1/2-1/2 – Teschner, Rudolf – G7 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bd2 O-O 6. cxd5 Nxd5 7. e4 Nxc3 8. Bxc3 c5 9. Be2 e6 10. O-O Nc6
1948 Karlovy Vary – Round 15 – Sajtar, Jaroslav – 0-1 – Stoltz, Gabriel – G149 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 g6 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bg7 8. Ba3 O-O 9. Qb3 b6 10. Rd1 Qc7
1948 Saltsjobaden Interzonal – Round 7 – Lilienthal, Andor – 1/2-1/2 – Steiner, Lajos – G60 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Qa4+ c6 7. e4 Nb6 8. Qc2 Bg4 9. Ne5 Be6 10. Be3 O-O
1949 Budapest-Moscow – Round 13 – Flohr, Salo – 1-0 – Gereben, Erno – G96 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Qa4+ Bd7 7. Qb3 Bc6 8. e3 O-O 9. Be2 a5 10. O-O a4
1949 Budapest-Moscow – Round 9 – Lilienthal, Andor – 1-0 – Gereben, Erno – G65 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Qa4+ c6 7. e4 Nb6 8. Qc2 Bg4 9. Ne5 Be6 10. Be3 N8d7
1949 CZE-AUT Prague CZE – Round 1 – Gruenfeld, Ernst – 0-1 – Pachman, Ludek – G4 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Bd7 6. Qb3 dxc4 7. Qxc4 O-O 8. e3 Na6 9. Qb3 c5 10. Bxa6 bxa6
1949 CZE-AUT Prague CZE – Round 1 – Richter, Emil – 1/2-1/2 – Beni, Alfred – G5 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Nf3 Bg7 6. Qa4+ c6 7. e4 Nb6 8. Qc2 Bxd4 9. Bh6 c5 10. Rd1 Nc6
1949 Moscow – Round 1 – Flohr, Salo – 1-0 – Gereben, Erno – G14 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Qa4+ Bd7 7. Qb3 Bc6 8. e3 O-O 9. Be2 a5 10. O-O a4
1949 Remedios de Escalada – Round 1 – Rossetto, Hector – 1-0 – Gorini Carlos – G3 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d5 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nxc3 8. bxc3 O-O 9. Be2 c5 10. O-O cxd4
1949 Schlechter Memorial – Round 1 – Cs. Kovacs, Laszlo – 0-1 – Paoli, Enrico – G22 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Bd7 6. Qb3 dxc4 7. Qxb7 Nc6 8. Bf4 Rb8 9. Qxc7 Qxc7 10. Bxc7 Rxb2
1949 Stevenson Mem SCCU Ch – Round 3 – Heaton, H. – 0-1 – Pachman, Ludek – G6 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. g3 Bg7 5. Nf3 dxc4 6. Qa4+ Nfd7 7. Qxc4 Nb6 8. Qd3 O-O 9. Bg2 Nc6 10. e3 e5
1949 Trencianske Teplice – Round 12 – Pachman, Ludek – 1-0 – Platt, Jerome – G71 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nb6 8. Qc2 O-O 9. Be3 Be6 10. Rd1 Bc4
1949 URS Ch, semi final – Round 14 – Chistiakov, Alexander – 1/2-1/2 – Lubienski, Tadeusz – G100 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Qa4+ c6 7. e4 Nb6 8. Qc2 Bg4 9. Ne5 Be6 10. Be3 O-O
1949 URS Ch, semi final – Round 17 – Kirilov, Valentins – 1/2-1/2 – Arulaid, Alexander – G125 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Qa4+ Nc6 7. Nxd5 Qxd5 8. e3 O-O 9. Bc4 Qh5 10. Be2 Bd7
1950 FRG Ch Bad Pyrmont GER – Round 4 – Schifferdecker, Wilhelm – 0-1 – Lehmann, Heinz – G6 1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 dxc4 6. e4 b5 7. a4 b4 8. Na2 Nxe4 9. Bxc4 Bg7 10. O-O Nd6
1950 Mar del Plata – Round 5 – Alvarez Martin, Pedro – 1-0 – Bolbochan, J. – G39 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Bd7 6. Qb3 dxc4 7. Qxc4 O-O 8. e4 Na6 9. Be2 Rb8 10. Bf4 b5
1950 URS Ch sf Tartu – Round 5 – Chekhover, Vitaly – 1/2-1/2 – Ebralidze, Arkhil – G4 1. c4 c6 2. d4 Nf6 3. Nc3 d5 4. Nf3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Bd3 Nc6 9. O-O Bf5 10. Bxf5 gxf5
1951 Buenos Aires – Round 10 – Cruz Garibaldi, Milton Esteban – 1-0 – Benko, Francisco – G61 1. c4 Nf6 2. Nc3 d5 3. d4 g6 4. Nf3 Bg7 5. h3 O-O 6. Bf4 c5 7. e3 cxd4 8. Nxd4 Nc6 9. Nxc6 bxc6 10. Be2 Be6
1951 Buenos Aires ch-ARG – Round 1 – Najdorf, Miguel – 1-0 – Rebizzo, Cayetano – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 Nxd5 6. e4 Nc7 7. Be2 Bg7 8. h3 O-O 9. O-O Nd7 10. Bf4 Ne6
1951 URS Ch sf – Round 7 – Taimanov, Mark E – 0-1 – Lilienthal, Andor – G9 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Bd3 Nc6 9. h3 Be6 10. O-O Rc8
1951 World Championship 19th – Round 4 – Bronstein, David I – 1/2-1/2 – Botvinnik, Mikhail – G3 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Be2 Nc6 9. h3 Ne4 10. Rc1 Be6
1952 Budapest – Round 3 – Geller, Efim P – 1-0 – Barcza, Gedeon – G30 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 g6 5. Bf4 dxc4 6. e3 Nd5 7. Be5 f6 8. Bxb8 Rxb8 9. Bxc4 Be6 10. Qb3 b5
1952 Havana – Round 17 – Ortega, Rogelio – 0-1 – Gligorić, Svetozar – G132 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. g3 O-O 6. cxd5 Nxd5 7. Bg2 c5 8. Nxd5 Qxd5 9. O-O cxd4 10. Be3 d3
1952 Helsinki olm – Round 1 – Acevedo Ortega, Rodrigo Andres – 1/2-1/2 – Heinicke, Herbert – G153 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. g3 O-O 7. Nxd5 Qxd5 8. Bg2 c5 9. O-O cxd4 10. Be3 d3
1952 ITA-ch15 – Round 1 – Szabados, Eugenio – 1-0 – Matteucci, Guido – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bg5 Ne4 6. cxd5 Nxc3 7. bxc3 cxd5 8. e3 Bg7 9. Bb5+ Bd7 10. Bd3 Nc6
1952 Liberation – Round 13 – O'Kelly de Galway, Alberic – 1/2-1/2 – Golombek – G38 1. c4 Nf6 2. Nc3 d5 3. d4 c6 4. Nf3 g6 5. Bf4 dxc4 6. e3 b5 7. a4 Nd5 8. axb5 Nxc3 9. bxc3 cxb5 10. Be5 f6
1952 Moscow RUS – Round 1 – Chistiakov, Alexander – 1/2-1/2 – Simagin, Vladimir – G3 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d5 5. cxd5 Nxd5 6. Qa4+ c6 7. e4 Nxc3 8. bxc3 O-O 9. Rb1 c5 10. Be2 Nc6
1952 Moskou ch-URS – Round 1 – Kan, Igor – 1/2-1/2 – Ilivitsky, Georgy A – G80 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nb6 8. Qc2 Bg4 9. Ne5 Be6 10. Be3 O-O
1952 Rio de Janeiro – Round 16 – Eidelman Mauricio – 0-1 – De Souza Mendes, Joao – G90 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qa4+ c6 6. e3 O-O 7. cxd5 cxd5 8. Bd3 Nc6 9. a3 Bd7 10. Qc2 Rc8
1952 Rosario – Round ? – Garcia Vera, Romeo – 1-0 – Giustina, Orestes – G9 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bg7 8. Bc4 O-O 9. h3 Nd7 10. O-O h6
1952 URS Ch sf Leningrad RUS – Round ? – Bondarevsky, Igor – 1-0 – Kuzminykh, Evgeny – G7 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Bd3 Nh5 9. Be5 f6 10. Bxb8 Rxb8
1953 Hastings ch-BCF – Round 10 – Wallis, Philip N – 1-0 – Haggai Mawejje Israel – G93 1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. Nc3 g6 5. Bg5 Ne4 6. Bf4 Bg7 7. e3 O-O 8. Bd3 Nxc3 9. bxc3 dxc4 10. Bxc4 c5
1954 Amsterdam olm – Round 1 – Bolbochan, J. – 1-0 – Gudmundsson, Gardar Vidir – G20 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. h3 Bg7 8. e3 O-O 9. Be2 a6 10. Ne5 Qb6
1954 Montevideo – Round 1.9 – Flohr, Salo – 1-0 – Rotunno, Ernesto – G33 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nb6 8. Qc2 N8d7 9. Be2 O-O 10. O-O e5
1954 Olympiad prel I – Round 1 – Bronstein, David I – 1-0 – Cortlever, Nico – G2 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. Be2 O-O 9. h3 b6 10. Ne5 Bb7
1954 URS Ch, semi final – Round 1 – Moiseev, O. – 1/2-1/2 – Kortchnoi, V. – G9 1. c4 Nf6 2. Nc3 d5 3. d4 g6 4. Nf3 Bg7 5. Qa4+ Bd7 6. Qb3 Bc6 7. Ne5 dxc4 8. Qxc4 O-O 9. Nxc6 Nxc6 10. e3 e5
1954 URS-chTJ Coop – Round ? – Chistiakov, Alexander – 1-0 – Korchnoi, Viktor – G20 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nb6 8. Qc2 Bg4 9. Ne5 Be6 10. Be3 O-O
1955 Moscow Ch – Round 4 – Antoshin, Vladimir S – 1-0 – Flohr, Salo – G24 1. c4 Nf6 2. Nc3 c6 3. d4 d5 4. Nf3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Be2 Nc6 9. Ne5 Nd7 10. Nd3 e6
1956 Moscow olm fin-B – Round 7 – Morcken, Otto B – 0-1 – Letelier Martner, Rene – G72 1. d4 Nf6 2. c4 d5 3. Nc3 g6 4. Nf3 Bg7 5. g3 c5 6. dxc5 Qa5 7. Qb3 Na6 8. Bg2 O-O 9. Nd2 d4 10. Qb5 Qb4
1956 Moskou olm – Round 1 – Morcken, Otto B – 0-1 – Boutteville, Cesar – G19 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 Nxd5 6. g3 Nxc3 7. bxc3 Bg7 8. Bg2 O-O 9. O-O Nd7 10. a4 Qa5
1957 CSR Ch – Round 18 – Zita, Frantisek – 1/2-1/2 – Dolezal, Jiri – G76 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. g3 dxc4 6. Qa4+ Nfd7 7. Qxc4 O-O 8. Bg2 Nb6 9. Qc5 Na6 10. Qa3 Qd6
1957 Leningrad Ch – Round 14 – Zilber, Israel – 1-0 – Ragozin, Viacheslav – G102 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 g6 6. Bf4 Bg7 7. Bxb8 Rxb8 8. Qa4+ Bd7 9. Qxa7 O-O 10. Qa3 b5
1957 Manhattan CC Ch 5657 fin – Round 6 – Turner, Abe J – 1-0 – Feuerstein, Arthur – G18 1. Nf3 g6 2. d4 Nf6 3. c4 c6 4. Nc3 d5 5. Qa4 Nbd7 6. cxd5 Nb6 7. Qb3 Nbxd5 8. e3 Bg7 9. Bc4 O-O 10. O-O Nb6
1957 Moskou ch-URS – Round 3 – Tal, Mikhail – 1-0 – Bronstein, David I – G34 1. d4 c6 2. c4 Nf6 3. Nc3 d5 4. Nf3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. Be2 O-O 9. O-O Nh5 10. Be5 f6
1957 Sofia zt Sofia BUL – Round 1 – Basjuni, Sad Zaglul – 1/2-1/2 – Barcza, Gedeon – G33 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Bd2 O-O 7. Rc1 Nc6 8. e4 Nb6 9. d5 Nb8 10. a4 c6
1958 Buenos Aires V – Round 7 – Bolbochan, J. – 1/2-1/2 – Estrada, Walter – G30 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Bd3 Nc6 9. O-O Bg4 10. h3 Bxf3
1958 HUN Ch 14th – Round 4 – Kluger, Gyula – 1/2-1/2 – Szabo, Laszlo – G9 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Bd3 Nc6 9. h3 Nd7 10. Be2 Nb6
1958 Munchen olm – Round 1 – Donner, Jan-Hein – 1/2-1/2 – Czerniak, Moshe – G3 1. c4 Nf6 2. d4 c6 3. Nc3 d5 4. Nf3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. Be2 O-O 9. Ne5 Qb6 10. a3 a5
1958 Munich olm prel – Round 4 – Szabo, Laszlo – 1/2-1/2 – Fairhurst, William – G84 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 dxc4 6. e3 b5 7. a4 b4 8. Nb1 Ba6 9. Nfd2 c3 10. bxc3 Bxf1
1958 Munich olm prel – Round 9 – Uhlmann, Wolfgang – 1-0 – Fairhurst, William – G86 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 dxc4 6. e3 b5 7. a4 b4 8. Na2 Ba6 9. Be2 Nbd7 10. O-O Qa5
1958 UKR Ch – Round 9 – Bannik, Anatolij – 1/2-1/2 – Zamikhovsky, Abram – G39 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Nf3 exd5 9. e3 Bd6 10. Bd3 Nd7
1959 GDR Ch Leipzig GER – Round 11 – Baumbach, Friedrich, Dr. – 1/2-1/2 – Hartmann, Claus – G50 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Qb3 Nb6 7. e3 O-O 8. Be2 Be6 9. Qc2 Nc6 10. a3 a5
1959 Skittles – Round ? – Mueller, E.H. – 1/2-1/2 – Blackstone, John – G12 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. b3 c5 6. e3 Bg4 7. Be2 dxc4 8. bxc4 Nc6 9. O-O cxd4 10. Nxd4 Nxd4
1959 UKR Ch – Round 8 – Sakharov, Yuri N – 1/2-1/2 – Bannik, Anatolij – G56 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Be2 Nc6 9. O-O Nh5 10. Bg5 h6
1959 United States Open Championship – Round 1 – Aronson, Ninus – 0-1 – Osbun, Erik – G1 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. h3 6. ... O-O 7. e3 7. ... c5 8. Bc4 Nxc3 9. bxc3 Qc7 10. Qe2 10. ... Nc6
1960 Avantgard Ch – Round 12 – Cherbak, VP. – 1/2-1/2 – Zamikhovsky, Abram – G61 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. Be2 O-O 9. Ne5 Qa5 10. O-O Nd7
1960 Leipzig olm fin-B – Round 2 – Letelier Martner, Rene – 1-0 – Johannessen, Svein – G16 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. cxd5 cxd5 5. Nf3 g6 6. Bf4 Nc6 7. e3 Bg7 8. Be2 O-O 9. Ne5 Nd7 10. Nxd7 Qxd7
1960 Leningrad tt – Round 7 – Trmal, Jaroslav – 1/2-1/2 – Hollis, Adrian – G92 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Bd7 6. Qb3 dxc4 7. Qxb7 Nc6 8. Bf4 Rb8 9. Qxc7 Qxc7 10. Bxc7 Rxb2
1960 Olympiad final C – Round 2 – Camilleri, Henry – 1-0 – Boutteville, Cesar – G4 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. cxd5 Nxd5 6. e4 Nb6 7. Be3 Bg7 8. Qd2 O-O 9. Bh6 Bg4 10. Bxg7 Kxg7
1960 Sao Paulo zt – Round 1 – Bolbochan, J. – 1/2-1/2 – Estrada, Walter – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. h3 O-O 9. Be2 b6 10. O-O Bb7
1961 Arlesheim int – Round 2 – Gereben, Erno – 0-1 – Blau, Max – G4 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 Nxd5 6. e4 Nb6 7. Be2 Bg7 8. Be3 O-O 9. Qd2 Be6 10. O-O Bc4
1961 Budapest ch-HUN – Round 1 – Molnar, Illes – 1/2-1/2 – Bilek, Istvan – G24 1. d4 d5 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bg7 5. cxd5 Nxd5 6. Qa4+ Bd7 7. Qb3 Nb6 8. e4 Bg4 9. a4 Bxf3 10. gxf3 Nc6
1961 GDR Ch Premnitz GER – Round 12 – Fuchs, Reinhart – 1/2-1/2 – Zinn, Lothar – G54 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nf6 5. Nc3 g6 6. Bf4 Bg7 7. e3 O-O 8. Be2 a6 9. h3 b5 10. O-O Nbd7
1961 GDR Ch Premnitz GER – Round 12 – Kahn, Manfred – 0-1 – Uhlmann, Wolfgang – G55 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nb6 8. Qc2 Bg4 9. Ne5 Be6 10. Be3 Qd6
1961 Mar del Plata – Round 1 – Bielicki, Carlos – 1-0 – Wexler, Bernardo – G3 1. c4 Nf6 2. Nc3 c6 3. d4 d5 4. Nf3 g6 5. Bg5 Ne4 6. Bf4 Bg7 7. e3 Qa5 8. Qb3 O-O 9. cxd5 Nxc3 10. Qxc3 Qxc3+
1961 New York ch-USA – Round 6 – Kramer, Gerald – 0-1 – Benko, Pal – G25 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Qb3 Nxc3 7. bxc3 c5 8. e3 O-O 9. Be2 Nc6 10. O-O Na5
1961 Rostov – Round 2 – Taimanov, Mark E – 1-0 – Ujtelky, Maximilian – G5 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. Be2 Nh5 9. Bg5 h6 10. Bh4 Bf6
1962 Capablanca Memorial – Round 1 – Jimenez Zerquera, Eleazar – 1/2-1/2 – Cobo Arteaga, Eldis – G3 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. h3 Qb6 9. Qb3 Qxb3 10. axb3 Nc6
1962 Lasker Memorial – Round 14 – Udovcic, Mijo – 1/2-1/2 – Malich, Burkhard, Dr. – G15 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. h3 O-O 9. Bd3 Bf5 10. Ne5 Rc8
1962 Lasker Memorial Berlin-Ost – Round 10 – O'Kelly de Galway, Alberic – 1/2-1/2 – Malich, Burkhard, Dr. – G45 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. h3 O-O 9. Ne5 Nxe5 10. Bxe5 Ne4
1962 Mar del Plata KIM – Round 5 – Goldenberg, Edgardo – 1/2-1/2 – Rossetto, Hector – G13 1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bg5 Bg7 7. Qb3 e6 8. e3 O-O 9. Bd3 Nc6 10. O-O Qa5
1962 Varna olm – Round 1 – Ojanen, Kaarle S – 1-0 – Boutteville, Cesar – G14 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Qb6 7. Qb3 Na6 8. Qxb6 axb6 9. a3 Bd7 10. Be5 Rc8
1962 Varna olm – Round 4 – Evans, Larry Melvyn – 1-0 – Beni, Alfred – G158 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. Bxb8 Rxb8 8. Qa4+ b5 9. Qxa7 Rb7 10. Qc5 b4
1963 Club Argentino – Round 2 – Panno, Oscar – 1-0 – Schweber, Samuel – G9 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 g6 5. cxd5 Nxd5 6. e4 Nb6 7. h3 Bg7 8. Be3 Be6 9. b3 c5 10. Rc1 cxd4
1963 FRG Ch Bad Pyrmont GER – Round 4 – Lohsse, Hans Peter – 0-1 – Pfleger, Helmut, Dr. – G8 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. h3 O-O 9. Bd3 e6 10. O-O Ne8
1963 Pan American Ch – Round 1 – Cadena Munoz, Juan Jose – 0-1 – Jimenez Zerquera, Eleazar – G4 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. g3 c5 7. Bg2 Nc6 8. Nxd5 Qxd5 9. dxc5 Qxd1+ 10. Kxd1 Bf5
1963 Pan American Ch – Round 13 – Cobo Arteaga, Eldis – 1/2-1/2 – Cadena Munoz, Juan Jose – G54 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 a6 8. h3 Nc6 9. Be2 Bd7 10. Ne5 e6 1/2-1/2
1963 Polanica Zdroj – Round 1 – Balcerowski, Witold – 1/2-1/2 – Czerniak, Magdalena – G4 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Be2 Nc6 9. O-O Nh5 10. Bg5 h6
1963 Rubinstein Memorial – Round 2 – Balcerowski, Witold – 1/2-1/2 – Czerniak, Moshe – G11 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Be2 Nc6 9. O-O Nh5 10. Bg5 h6
1964 BRA Ch – Round 6 – De Freitas, Marcio Elisio – 1-0 – Mangini, Jose Henrique de Mello – G19 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nb6 8. Qc2 Bg4 9. Ne5 Be6 10. Be3 O-O
1964 Magdeburg – Round 14 – Starck, Bodo – 0-1 – Muehlberg, Siegfried – G49 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Nh5 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nxg3
1964 Reggio Emilia ITA – Round 10 – Bertok, Mario Jr. – 1-0 – Malcanek, Oldrich – G31 1. c4 Nf6 2. Nc3 g6 3. d4 d5 4. Nf3 Bg7 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nb6 8. Qd1 Bg4 9. Be3 O-O 10. Be2 N8d7
1964 Rubinstein Memorial – Round 9 – Hort, Vlastimil – 1-0 – Czerniak, Magdalena – G36 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. h3 O-O 9. Be2 Qb6 10. Nb5 Qa5+
1964 Stevenson Memorial XII – Round 9 – Cafferty, Bernard – 1/2-1/2 – Golombek, Harry – G9 1. c4 Nf6 2. Nc3 d5 3. d4 c6 4. Nf3 g6 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bg7 8. Bc4 O-O 9. O-O Nd7 10. Bg5 Nf6
1964 Tel Aviv olm fin-B – Round 12 – Perez Perez, Francisco Jose – 1/2-1/2 – Malich, Burkhard, Dr. – G143 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ c6 6. cxd5 Nxd5 7. e4 Nc7 8. Be3 O-O 9. Be2 Nd7 10. O-O Nb6
1964 WchT U26 11. fin-B – Round 9.3 – Celis Stephane – 0-1 – Garcia Martinez, Silvino – G44 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. g3 O-O 6. cxd5 Nxd5 7. Bg2 Nxc3 8. bxc3 c5 9. O-O Nc6 10. e3 Be6
1965 Budapest – Round 1 – Toth, Bela – 1/2-1/2 – Marszalek, Rafal – G6 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. Bf4 dxc4 6. e3 Be6 7. Ne5 Bg7 8. Bxc4 Bxc4 9. Nxc4 Nbd7 10. h3 O-O
1965 Budapest HUN – Round 15 – Kovacs, Laszlo M – 0-1 – Padevsky, Nikola – G36 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Qb3 Nb6 7. Bf4 Be6 8. Qc2 O-O 9. Rd1 c6 10. Be5 Bxe5
1965 FRG Ch Bad Aibling – Round 5 – Hodakowsky, Georg – 1-0 – Delander, Adolf – G6 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 Nbd7 6. e3 Bg7 7. Rc1 O-O 8. h3 Qa5 9. a3 c5 10. Be2 cxd4
1965 Hastings ch-BCF – Round 4 – Beach, TJ. – 1/2-1/2 – Clarke, Peter H – G46 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 g6 5. cxd5 Nxd5 6. g3 Bg7 7. Bg2 O-O 8. O-O Re8 9. Qb3 Nb6 10. Ng5 Rf8
1965 Mar del Plata – Round 7 – Najdorf, Miguel – 1-0 – Pilnik, Herman – G54 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. h3 O-O 9. Bd3 Qb6 10. a3 a6
1966 Havana CUB – Round 2 – Balcerowski, Witold – 1-0 – Aranibar Salazar, Hilton – G11 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Be2 Bf5 9. O-O Qb6 10. Na4 Qa5
1966 Havana CUB – Round 4 – Martinez Diaz, Juan Ramon – 0-1 – Cobo Arteaga, Eldis – G32 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. g3 c5 7. Qb3 Nxc3 8. bxc3 O-O 9. Bg2 Nc6 10. O-O cxd4
1966 URS Team Ch – Round 1 – Nikolaevsky, Yuri V – 1/2-1/2 – Semenov, Vladimir. – G1 1. c4 c6 2. Nf3 Nf6 3. Nc3 d5 4. d4 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. Qb3 O-O 9. Be2 Na5 10. Qa3 Bg4
1967 FRG Ch Kiel GER – Round 6 – Cording, Harm – 1-0 – Delander, Adolf – G23 1. c4 Nf6 2. Nc3 c6 3. d4 d5 4. Nf3 g6 5. cxd5 cxd5 6. Bf4 a6 7. e3 Bg7 8. Be2 O-O 9. O-O b6 10. Rc1 Nh5
1967 Germany – Round 1 – Ostermeyer, Peter, Dr. – 1-0 – Besser, Hans – G2 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Be2 Nc6 9. O-O Bg4 10. Rc1 e6
1967 Leningrad RUS – Round 1 – Osnos, Viatcheslav – 0-1 – Shekhtman, E. – G5 1. d4 Nf6 2. c4 g6 3. Nf3 c6 4. Nc3 d5 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. h3 Ne4 9. Nxe4 dxe4 10. Nd2 Qa5
1967 Leningrad RUS – Round 7 – Gufeld, Eduard – 1/2-1/2 – Osnos, Viatcheslav – G8 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e4 O-O 6. Bd2 e6 7. Rb1 Nbd7 8. b4 c6 9. Be2 Nxe4 10. O-O Nxd2
1967 Reggio Emilia 6768 10th – Round 7 – Bertok, Mario Jr. – 1/2-1/2 – Ciocaltea, Victor – G23 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Be2 Nc6 9. O-O Bg4 10. h3 Bxf3
1968 Cardenas – Round 1 – Diaz, Joaquin, Dr. – 1/2-1/2 – Estrada Degrandi, Walter – G6 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. cxd5 cxd5 6. Bf4 a6 7. e3 Bg7 8. Bd3 O-O 9. O-O Bg4 10. h3 Bxf3
1968 CSR Ch – Round 11 – Acosta Fabian, Janna Paloma – 1-0 – Hlousek, Zdenek – G96 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Bd7 6. Qb3 dxc4 7. Qxc4 O-O 8. Bf4 c6 9. e4 b5 10. Qd3 Qa5
1968 CSR Team Ch Harrachov – Round 1 – Kupka, Slavoj – 1/2-1/2 – Petras, Jan – G1 1. d4 d5 2. c4 c6 3. Nc3 g6 4. cxd5 cxd5 5. Nf3 Nf6 6. Bf4 Bg7 7. e3 O-O 8. Be2 Nc6 9. O-O Bf5 10. Ne5 Nxe5
1968 Hungary – Round 1 – Barczay, Laszlo – 1/2-1/2 – Bilek, Istvan – G36 1. d4 d5 2. Nf3 c6 3. c4 Nf6 4. cxd5 cxd5 5. Nc3 g6 6. Bf4 Bg7 7. e3 O-O 8. Bd3 Nc6 9. O-O Nb4 10. Be5 Bg4
1968 Hungary – Round 1 – Sapi, Laszlo – 1-0 – Polgar, Istvan – G147 1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. cxd5 cxd5 5. Nc3 g6 6. Bf4 Bg7 7. e3 O-O 8. Bd3 Nc6 9. h3 Be6 10. O-O Nd7
1968 Lugano SUI – Round 13 – Gligorić, Svetozar – 1/2-1/2 – Hort, Vlastimil – G113 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bg7 8. Bc4 O-O 9. O-O Nd7 10. Bg5 b5
1968 Reykjavik – Round 1 – Taimanov, Mark E – 1-0 – Uhlmann, Wolfgang – G2 1. c4 c6 2. Nf3 Nf6 3. d4 g6 4. Nc3 d5 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. h3 Nc6 9. Bd3 Bf5 10. Bxf5 gxf5
1968 Sarajevo – Round 1 – Barczay, Laszlo – 1/2-1/2 – Leban, Slavko – G4 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Bd3 Nc6 9. h3 Qb6 10. Qd2 Bf5 1/2-1/2
1968 Skopje/Ohrid – Round 9 – Bukic, Enver – 1-0 – Ilievski, Dimitar – G72 1. c4 c6 2. Nf3 d5 3. d4 Nf6 4. Nc3 g6 5. Bf4 dxc4 6. e3 Nd5 7. Be5 f6 8. Bxb8 Rxb8 9. Bxc4 Be6 10. Qb3 b5
1968 Solingen – Round 14 – Nowak, Jan – 0-1 – Lehmann, Heinz – G62 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. g3 dxc4 6. Qa4+ Nfd7 7. Qxc4 Nc6 8. e3 O-O 9. Bg2 e5 10. d5 Nb6
1968 Vinkovci – Round 8 – Bertok, Mario Jr. – 1-0 – Nikolic, Emil – G47 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Bd7 6. Qb3 dxc4 7. Qxc4 O-O 8. e4 Na6 9. e5 Be6 10. exf6 Bxc4
1969 Athene zt – Round 12 – Gheorghiu, Florin – 1-0 – Spiridonov, Nikola – G18 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. h3 O-O 9. Bd3 a6 10. O-O Bf5
1969 Budapest ch-HUN – Round 1 – Sapi, Laszlo – 1/2-1/2 – Szekely, Mihaly – G44 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Bd2 O-O 7. Rc1 b6 8. g3 Bb7 9. Bg2 e6 10. O-O Nd7
1969 IBM-B – Round 1 – Van Scheltinga, Theo – 1/2-1/2 – Johannessen, Simon T – G4 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. h3 O-O 9. Be2 Ne4 10. O-O Nxc3
1969 Liberation – Round 1 – Gligorić, Svetozar – 1/2-1/2 – Botvinnik, Mikhail – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Bg7 7. e3 O-O 8. Be2 Nc6 9. Ne5 Bd7 10. O-O e6
1969 Luhacovice – Round 5 – Jansa, Vlastimil – 1-0 – Kolarov, Atanas Stefanov – G45 1. c4 Nf6 2. Nf3 c6 3. d4 d5 4. Nc3 g6 5. cxd5 cxd5 6. Bf4 Nc6 7. e3 Bg7 8. Bd3 O-O 9. h3 a6 10. O-O b5
1969 Monte Carlo – Round 1 – Smyslov, Vladimir – 1/2-1/2 – Hort, Vlastimil – G7 1. c4 Nf6 2. Nf3 g6 3. d4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Bd2 O-O 7. Rc1 Nxc3 8. Bxc3 Qd5 9. b3 Bg4 10. Ne5 Be6
1969 Moscow RUS – Round ? – Chistiakov, Alexander – 1-0 – Gusev, Yuri S – G7 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Qa4+ c6 7. e4 Nb6 8. Qc2 Bg4 9. Ne5 Be6 10. Be3 N8d7
1969 Moskou ch-URS – Round 1 – Balashov, Yuri S – 1-0 – Tukmakov, Vladimir B – G84 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Bd2 O-O 7. Rc1 Nb6 8. e3 Nc6 9. Bb5 e5 10. Bxc6 exd4
1969 Moskou ch-URS – Round 1 – Smyslov, Vladimir – 1-0 – Stein, Leon Rico – G85 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Bd2 O-O 7. Rc1 Nb6 8. e3 N8d7 9. Be2 e5 10. O-O exd4
1969 New York ch-USA – Round 2 – Burger, Kim – 1/2-1/2 – Byrne, David – G8 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Bd2 O-O 7. Rc1 Nb6 8. e3 N8d7 9. Be2 e5 10. O-O c6
1969 Palma de Mallorca – Round 11 – Toran Albero, Roman – 1/2-1/2 – Unzicker, Wolfgang – G101 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Bd2 O-O 7. Rc1 Nb6 8. e3 N8d7 9. Be2 e5 10. O-O exd4
1969 Skopje – Round 1 – Smyslov, Vladimir – 1-0 – Uhlmann, Wolfgang – G8 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Bd2 O-O 7. Rc1 Nb6 8. e3 Bg4 9. Be2 c6 10. O-O Bxf3
1969 Skopje Skopje MKD – Round ? – Yoffie, Marc – 0-1 – Uhlmann, Wolfgang – G13 1. Nf3 g6 2. d4 Nf6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Qb3 Nb6 7. Bf4 O-O 8. e3 a5 9. a4 Nc6 10. Be2 Nb4
1969 USSR – Round 1 – Chistiakov, Alexander – 1/2-1/2 – Estrin, Yakov – G21 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Qa4+ c6 7. e4 Nxc3 8. bxc3 O-O 9. Be2 Nd7 10. O-O e5
1969 WchT U26 fin-A 16th – Round 6.1 – Spassov, Liuben – 0-1 – Tukmakov, Vladimir B – G37 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Qa4+ Bd7 7. Qb3 Nb6 8. e3 O-O 9. Be2 a5 10. a4 Nc6
1970 Belgrade URS-World – Round 4.2 – Petrosian, Tigran V. – 1/2-1/2 – Fischer, Robert James Jamesames – G4 1. c4 g6 2. d4 Nf6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Bd2 c5 7. Rc1 Nxc3 8. Bxc3 cxd4 9. Nxd4 O-O 10. e3 Qd5
1970 Palma de Mallorca Interzonal – Round 23 – Uhlmann, Wolfgang – 1-0 – Naranja, Renato – G148 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Bd2 Nb6 7. Bg5 h6 8. Bh4 O-O 9. e3 Be6 10. Be2 N8d7
1971 Moscow – Round 6 – Smyslov, Vassily – 1/2-1/2 – Savon, Vladimir Andreevichndreevich – G41 1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. d4 d5 5. cxd5 Nxd5 6. Bd2 c5 7. Rc1 Nxc3 8. Bxc3 cxd4 9. Nxd4 O-O 10. e3 Qd5
1972 San Antonio – Round ? – Saidy, Anthony – 0-1 – Byrne, David – G53 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Nc6 6. Bf4 O-O 7. e3 dxc4 8. Bxc4 Nh5 9. Bg5 h6 10. Bh4 g5
1974 Manila – Round 10 – Naranja, Renato – 1/2-1/2 – Petrosian, Tigran V. – G21 1. c4 Nf6 2. Nf3 g6 3. d4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Bd2 Nb6 7. Qc2 Nc6 8. Rd1 O-O 9. e3 Bf5 10. Qc1 a5
1975 Portoroz/Ljubljana – Round 1 – Furman, Slavomir – 1/2-1/2 – Garcia Martinez, Salomon – G37 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Bd7 6. Qb3 dxc4 7. Qxc4 Nc6 8. Bg5 Be6 9. Qa4 Nd5 10. e3 h6
1975 Portoroz/Ljubljana – Round 10 – Furman, Slavomir – 0-1 – Ribli, Zoltan – G38 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qa4+ Bd7 6. Qb3 dxc4 7. Qxc4 O-O 8. e4 Na6 9. e5 Ne8 10. Be2 c6
1975 URS Team Ch – Round 1 – Romanishin, Oleg M – 1-0 – Lukin, Andrei M – G190 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. Qb3 Nxc3 7. bxc3 c5 8. e3 O-O 9. Ba3 Nd7 10. Bb5 b6
1975 URS Team Ch – Round 4 – Kolpakov, Matvey – 0-1 – Voskanyan, Vahagn – G187 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bd2 c6 6. e3 O-O 7. cxd5 cxd5 8. Bd3 Nc6 9. O-O Bf5 10. Bxf5 gxf5

D90a — Three Knights Variation

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3

Eval: [+0.18]

Les coups candidats

4…Bg7 — 98.9% (36767 parties) →

Ambassadeurs : Ftacnik, Lubomir (126x), Uhlmann, Wolfgang (86x), Jansa, Vlastimil (83x), Pribyl, Josef (79x), Korchnoi, Viktor (76x), Tukmakov, Vladimir B (70x), Kolanek, Roman (69x), Timman, Jan H (58x)

4…c6 — 0.7% (270 parties) →

Ambassadeurs : Beck, Georges (9x), Flecher, Joseph (5x), Angermann, Immo-Frank (3x), Humbert, Patrick (3x), Gorniak, Janusz (3x), Carter, Maurice H (3x), Vladimirov, Yevgeniy (2x), Powell, Lisa (2x)

4…dxc4 — 0.1% (42 parties)

Ambassadeurs : Lupulescu, Constantin (2x), Wisskirchen, Andreas (1x), Vetter, Herbert (1x), Bolduc, Steve (1x), Lacroix, Serge (1x), Van Leoprechting, G. (1x), Roman Figueredo, Adam (1x), Johansson Hubert (1x)

4…e6 — 0.1% (29 parties)

Ambassadeurs : Galeb, Antoine (1x), Naftel, S. (1x), Weltmander, J. (1x), Reich, H. (1x), Klepej Jozsef (1x), Szabo, Ervin (1x), Maurer, Leon (1x), Reinert Mi (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…Bg7	4…c6	4…dxc4	4…e6
<1800	915	97%	2%	0%	0%
1800-2200	10832	99%	1%	0%	0%
2200-2600	16563	100%	0%	0%	0%
2600+	1155	100%	—	0%	—

Évolution par décennie (% des parties)

Décennie	N parties	4…Bg7	4…c6	4…dxc4	4…e6
1880s	1	100%	—	—	—
1920s	12	92%	8%	—	—
1930s	120	98%	2%	—	—
1940s	292	99%	1%	—	—
1950s	303	100%	0%	—	—
1960s	978	99%	1%	—	—
1970s	1490	100%	0%	0%	0%
1980s	2932	99%	0%	0%	—
1990s	6305	99%	1%	0%	0%
2000s	8896	98%	1%	0%	0%
2010s	12827	99%	1%	0%	0%
2020s	3020	99%	0%	0%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…Bg7	99%	99%	+0.4%
4…c6	1%	0%	-0.2%
4…dxc4	0%	0%	-0.1%
4…e6	0%	0%	-0.0%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Tal, Mikhail — 9 parties
Karpov, Aleksandr — 8 parties
Euwe, Max — 6 parties
Ding, Liren — 5 parties
Ju, Wenjun — 5 parties
Alekhine, Alexander — 2 parties
Gukesh D — 2 parties
Lasker, Emanuel — 1 partie

Parties historiques

4…Bg7 — 98.9% (36767 parties)

1887 — Vasselon, Christian vs Daillet, Emmanuel — 0-1 — Ch France (corr.)
1922 — Ardid, R. vs Alekhine, Alexander — 0-1 — ESP
1922 — Rubinstein, Akiba vs Alekhine, Alexander — 1-0 — ?
1924 — Colle, Edgar vs Matisons, Hermanis — 1/2-1/2 — Paris FRA
1924 — Khadilkar, Vinayak Kashinath vs Atkins, Henry Ernest — 0-1 — Southport ENG

4…c6 — 0.7% (270 parties)

1923 — Price, Harold Edwin vs Maroczy, Geza — 0-1 — Hastings ENG
1935 — Ullrich Bruno vs Landau, Salo — 0-1 — Hastings ENG
1937 — Reshevsky, Samuel vs Mikenas, Vladas — 1-0 — Kemeri LAT
1938 — Carlsson, Henrik 2002 vs Bergqvist, Nils — 1/2-1/2 — Stockholm SWE
1948 — Opocensky, Karel vs Grob, Henry — 1/2-1/2 — Venice ITA

4…dxc4 — 0.1% (42 parties)

1977 — Johansson Hubert vs Gutierrez Mendoza, Mijail Fischer — 1-0 — Stockholm SWE
1981 — Bolduc, Steve vs Lacroix, Serge — 0-1 — Montreal CAN
1986 — Wisskirchen, Andreas vs Vetter, Herbert — 0-1 — Germany West
1988 — Van Leoprechting, G. vs Roman Figueredo, Adam — 1-0 — St Ingbert
1991 — Zobbe, Egon V vs Zimmermann, Hans-Dieter — 1-0 — CIF FT-91-0258B

4…e6 — 0.1% (29 parties)

1970 — Galeb, Antoine vs Naftel, S. — 1-0 — Siegen olm
1973 — Weltmander, J. vs Reich, H. — 1-0 — corr ICCF
1976 — Klepej Jozsef vs Szabo, Ervin — 1-0 — Salgotarjan
1996 — Chang, Hon Kun Philip vs HO, Iat Kei Peter — 1-0 — Macau ch-Asia jrb
1997 — Kuchta, Jiri vs Hlavacova, Lucie — 1/2-1/2 — Klatovy CZE

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