A27a — English: Three Knights

1.c4 e5 2.Nc3 Nc6 3.Nf3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes b5 et d5 et la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (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, libère Bf1) ; d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes b4 et d4 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 g8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Nf6 (Développer Ng8) ; ...Be7 (Développer Bf8) ; ...Bg4 (Clouer Nf3).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (2v0)	● b4 (2v0), ● d4 (2v1)
Cases faibles	—	—
Centre	● d5 (2v0), ● e4 (1v0)	● d4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, a1, h1)	5 (g8, 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, ● d2-d3, ● e2-e3	● …d7-d6, ● …d7-d5, ● …e5-e4, ● …f7-f6, ● …f7-f5

Partie
1913 New York National – Round 3 – Staffer, John Homer – 0-1 – Jaffe, Charles – G11 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d3 Nf6 5. g3 d5 6. cxd5 Nxd5 7. Bg2 Be6 8. Bd2 Be7 9. O-O Qd7 10. a3 h6
1925 Leningrad ch-URS – Round 4 – Rabinovich, Ilya Mar – 1-0 – Nenarokov, Vladimir – G7 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 Nf6 7. g3 Be7 8. Bg2 O-O 9. b3 Re8 10. O-O Nd7
1926 Berlin – Round 1 – Ahues, Carl – 1-0 – Colle, Edgar – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. e3 e4 5. Nd4 Nxd4 6. exd4 Nf6 7. Be2 c6 8. d3 Bb4 9. O-O O-O 10. dxe4 fxe4
1929 Bradley Beach – Round 1 – Bigelow, Horace – 0-1 – Marshall Viele, Fabrizio Aaron – G1 1. c4 e5 2. Nf3 Nc6 3. Nc3 Nge7 4. g3 g6 5. Bg2 Bg7 6. d3 d6 7. Bg5 f6 8. Bd2 Be6 9. Rb1 Qd7 10. h4 h5
1931 Bled – Round ? – Nimzowitsch, Aron – 1/2-1/2 – Stoltz, Gösta – G154 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nge7 4. e3 g6 5. d4 exd4 6. exd4 Bg7 7. d5 Ne5 8. d6 Nf5 9. Nxe5 Bxe5 10. dxc7 Qxc7
1931 Budapest – Round 1 – Steiner, Endre – 1-0 – Szekely, Jeno – G1 1. c4 e5 2. Nc3 f5 3. Nf3 Nc6 4. d4 e4 5. Ng5 Bb4 6. Nh3 Nf6 7. e3 d5 8. Bd2 Be6 9. Nf4 Bxc3 10. bxc3 Bf7
1931 Moskou ch-URS – Round 1 – Kasparian, Genrikh – 0-1 – Goglidze, Viktor – G5 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d3 Nf6 5. g3 Be7 6. Bg2 O-O 7. O-O d6 8. Nd5 Nxd5 9. cxd5 Nb8 10. Bd2 c5
1931 Moskou ch-URS – Round 1 – Mazel, Isaak Y – 1/2-1/2 – Goglidze, Viktor – G4 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d3 Nf6 5. e4 Bc5 6. exf5 d5 7. cxd5 Nxd5 8. Bg5 Nxc3 9. bxc3 Qd6 10. Nh4 O-O
1934 Hastings3435 – Round 1 – Euwe, Max – 1-0 – Milner Barry, Philip – G1 1. c4 e5 2. Nf3 Nc6 3. Nc3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 O-O 9. O-O d6 10. Bg5 Bd7
1934 Leningrad ch-URS – Round 1 – Mazel, Isaak Y – 0-1 – Riumin, Nikolai – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 f6 5. e3 Nh6 6. b3 g6 7. Bb2 Bg7 8. Qd2 O-O 9. O-O-O Nf7 10. Be2 Re8
1934 NSW Ch – Round 9.1 – Koshnitsky, Gregory – 1-0 – Nield Alan E – G11 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. e3 Nf6 5. d4 e4 6. Nd2 Bb4 7. Ne2 d5 8. Nf4 Ne7 9. Qa4+ Nc6 10. a3 Bxd2+
1935 6. C.to Italiano – Round 5 – Monticelli, Mario – 1-0 – Del Pezzo, Gaetano – G4 1. c4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Nxe5 Bxf2+ 5. Kxf2 Nxe5 6. e4 d6 7. d4 Nc6 8. Be3 Nf6 9. Be2 Qe7 10. Bf3 O-O
1935 AUS Ch – Round 13 – Koshnitsky, Gregory – 0-1 – Hastings George H – G12 1. c4 e5 2. Nf3 Nc6 3. Nc3 f5 4. d4 e4 5. Ne5 Nxe5 6. dxe5 d6 7. Qd4 Ne7 8. Bg5 Nc6 9. Qd2 Qd7 10. exd6 Bxd6
1935 BCF Ch 28th – Round 4 – Golombek, Harry – 1-0 – Davey, Stanley Clifford – G9 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 O-O 9. O-O h6 10. Be3 Kh7
1936 Copenhagen – Round 1 – Andersen, Erik – 1-0 – Norman Hansen, Holger – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ng5 Bb4 6. d5 Ne5 7. Qb3 Bc5 8. Bf4 Qe7 9. e3 Nf6 10. Be2 O-O
1936 Trade Unions – Round 1 – Mazel, Isaak Y – 0-1 – Lisitsin, Georgy – G2 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. e3 Nge7 7. g3 O-O 8. Bg2 Nxd4 9. exd4 Nf5 10. Ne2 Re8
1936 USA Ch New York, NY USA – Round 1 – Hanauer, Milton Loeb – 1/2-1/2 – Steiner, Heinrich Jun. – G1 1. c4 e5 2. Nf3 Nc6 3. Nc3 f5 4. d4 e4 5. Ne5 Nf6 6. f3 Bb4 7. Bg5 Qe7 8. Nxc6 dxc6 9. Qb3 h6 10. Bxf6 Bxc3+
1937 Tbilisi ch-URS – Round 1 – Ragozin, Viacheslav – 1/2-1/2 – Alatortsev, Vladimir N. – G2 1. c4 e5 2. Nf3 Nc6 3. Nc3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 O-O 9. O-O Re8 10. e4 d6
1938 Bad Oeynhausen – Round 15 – Eliskases, Erich – 1/2-1/2 – Rellstab, Ludwig – G81 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nb3 Nge7 7. h4 h6 8. Bf4 d6 9. Qd2 b6 10. e3 Bb7
1938 New York – Round ? – Marshall, Frank – 1-0 – McCormick, Edgar T – G12 1. c4 e5 2. Nc3 f5 3. Nf3 Nc6 4. d4 e4 5. Nd2 Nf6 6. e3 d5 7. cxd5 Nb4 8. Bc4 Nbxd5 9. Nxd5 Nxd5 10. Nxe4 Nxe3
1938 New York – Round 1 – Marshall Viele, Fabrizio Aaron – 1-0 – Mccormick Sanchez, Elliot Gael – G1 1. c4 e5 2. Nc3 f5 3. Nf3 Nc6 4. d4 e4 5. Nd2 Nf6 6. e3 d5 7. cxd5 Nb4 8. Bc4 Nbxd5 9. Nxd5 Nxd5 10. Nxe4 Nxe3
1938 USA Ch – Round 1 – Santasiere, Anthony – 0-1 – Dake, Arthur William – G2 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. e3 Nf6 5. d4 e4 6. Nd2 Bb4 7. Qb3 d6 8. Be2 O-O 9. O-O a5 10. f3 Bxc3
1938 USA Ch – Round 9 – Santasiere, Anthony – 1-0 – Suesman, Walter B – G23 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. e3 Nf6 5. d4 e4 6. Nd2 Bb4 7. Be2 Bxc3 8. bxc3 d6 9. Qb3 b6 10. Ba3 Na5
1941 USSR – Round 1 – Ragozin, Viacheslav – 0-1 – Rovner, Dmitry – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. g3 g6 5. d4 Bg4 6. dxe5 dxe5 7. Qa4 Bg7 8. Bg5 Qc8 9. Bg2 h6 10. Be3 Ne7
1942 Duras 60 Memorial – Round 6 – Zita, Filip – 1-0 – Saemisch, Friedrich – G23 1. c4 e5 2. Nf3 Nc6 3. Nc3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nc2 d6 7. e3 Nge7 8. Be2 Be6 9. Nd5 f5 10. Rb1 Bf7
1942 Kuibyshev – Round 1 – Sokolsky, Alexey – 0-1 – Smyslov, Vladimir – G1 1. c4 e5 2. Nc3 f5 3. Nf3 Nc6 4. e3 Nf6 5. d4 e4 6. Nd2 Bb4 7. Qb3 a5 8. Be2 d6 9. O-O O-O 10. a3 Bxc3
1942 Kuibyshev – Round 10 – Sokalsky, Alexander – 0-1 – Smyslov, Vasily – G45 1. c4 e5 2. Nc3 f5 3. Nf3 Nc6 4. e3 Nf6 5. d4 e4 6. Nd2 Bb4 7. Qb3 a5 8. Be2 d6 9. O-O O-O 10. a3 Bxc3
1942 Moscow Ch – Round 1 – Ragozin, Viacheslav – 1/2-1/2 – Alatortsev, Vladimir N. – G3 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Qe7 8. Bg2 Qb4 9. O-O Qxc4 10. Bf4 Ne7
1943 Sverdlovsk – Round 4 – Ragozin, Viacheslav – 1-0 – Zagoriansky, Evgeny – G19 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Nd2 Nf6 6. e3 Bb4 7. Nd5 O-O 8. Qb3 a5 9. Be2 a4 10. Qc2 Nxd5
1943 UJCS-17.Kongress – Round 2 – Zita, Frantisek – 1-0 – Thelen, Bedrich – G6 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nc2 Nge7 7. g3 d6 8. Bg2 O-O 9. Qd2 Be6 10. Ne3 Nf5
1944 Mar del Plata – Round 7 – Stahlberg, Gideon – 1-0 – Villegas, Benito – G58 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 Nge7 6. O-O O-O 7. d3 d6 8. Rb1 h6 9. b4 Be6 10. b5 Nd4
1945 Moscow Ch – Round 15 – Aramanovich, I – 0-1 – Alatortsev, Vladimir N. – G82 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nd5 Bg7 6. Bg5 Nce7 7. Nxd4 c6 8. Nc3 h6 9. Bf4 d5 10. e3 Nf6
1946 AUS Ch – Round 4.2 – Purdy, Cecil J S – 1/2-1/2 – Lindgren George – G6 1. c4 e5 2. Nc3 Nc6 3. Nf3 Bc5 4. e3 d6 5. d4 Bb6 6. Be2 Nge7 7. O-O O-O 8. Na4 exd4 9. exd4 Bg4 10. c5 dxc5
1946 Buenos Aires – Round 1 – Alvarez Martin, Pedro – 1-0 – Wexler, Bernardo – G3 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d3 Nf6 5. g3 Bb4 6. Bg2 Bxc3+ 7. bxc3 O-O 8. O-O d6 9. Rb1 Rb8 10. Nd2 Qe8
1946 Groningen – Round 15 – Kottnauer, Cenek – 1/2-1/2 – Steiner, Heinrich Jun. – G67 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. e3 Nf6 5. d4 e4 6. Ng1 Bb4 7. Bd2 O-O 8. Nge2 Kh8 9. Nf4 d6 10. h4 a5
1946 Mar del Plata – Round 15 – Stahlberg, Gideon – 1-0 – Maderna, Carlos – G130 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. e3 Bg7 5. d4 d6 6. Be2 Nge7 7. d5 Nb8 8. b3 Nd7 9. Bb2 a5 10. O-O O-O
1946 POL Ch – Round 16 – Pytlakowski, Andrzej – 1-0 – Borowski, Natan – G92 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. e3 Nf6 7. Be2 O-O 8. O-O Nxd4 9. exd4 d5 10. cxd5 Nxd5
1946 Staunton, Groningen NED – Round 15 – Kottnauer, Cenek – 1/2-1/2 – Steiner, Herman – G50 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. e3 Nf6 5. d4 e4 6. Ng1 Bb4 7. Bd2 O-O 8. Nge2 Kh8 9. Nf4 d6 10. h4 a5
1946 USA Ch New York, NY USA – Round 1 – Sandrin Chodorge, Antoine – 1/2-1/2 – Horowitz, Albert Israel – G2 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nd5 Bg7 6. Bg5 Nf6 7. Nxd4 O-O 8. Nb5 h6 9. Bxf6 Bxf6 10. Qd2 Bg7
1947 Parnu – Round ? – Renter, Raul – 1/2-1/2 – Flohr, Salo – G67 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Qe7 8. Bg2 Qb4 9. O-O Ba6 10. Nb5 Bxb5
1947 San Pablo blind sim – Round 41 – Najdorf, Miguel – 0-1 – Potter, William Norwood – G37 1. c4 e5 2. Nc3 Nc6 3. Nf3 Bc5 4. e3 d6 5. d4 exd4 6. exd4 Bb6 7. Be2 Bg4 8. Be3 Bxf3 9. Bxf3 Ba5 10. Rc1 Bxc3+
1948 New York – Round 9 – Pilnik, Herman – 1-0 – Kramer, George – G45 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ng1 Nf6 6. e3 Be7 7. Nge2 O-O 8. a3 d6 9. b4 Qe8 10. Bb2 Nd8
1948 South Fallsburg ch-USA – Round 1 – Sandrin, Albert – 0-1 – Platz, Joseph – G2 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ne5 d6 6. Nxc6 bxc6 7. g4 g6 8. gxf5 gxf5 9. Rg1 Be7 10. Bf4 Nf6
1948 US Open – Round 5 – Lyle, G. – 0-1 – Steiner, Herman – G25 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d3 Nf6 5. Bg5 Be7 6. Bxf6 Bxf6 7. Nd5 O-O 8. Nxf6+ Qxf6 9. Qc2 d6 10. g3 e4
1949 Budapest-Moscow – Round 7 – Florian, Tibor – 1/2-1/2 – Ragozin, Viacheslav – G47 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nc2 d6 7. e3 Be6 8. Be2 Nge7 9. Nd5 O-O 10. O-O Ne5
1949 URS Ch, semi final – Round 1 – Khasin, Abram – 1/2-1/2 – Goldberg, Grigory A – G2 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 Nge7 6. O-O O-O 7. d3 d6 8. Bd2 h6 9. Ne1 Be6 10. Nd5 f5
1950 Venice – Round 11 – Abadia Castillo, Mateo – 1/2-1/2 – Steiner, Heinrich Jun. – G88 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Nd2 Nf6 6. e3 Bb4 7. Qb3 Bxc3 8. Qxc3 d6 9. Be2 O-O 10. b3 Ne7
1951 FRG Ch Duesseldorf GER – Round 2 – Lehmann, Heinz – 1-0 – Pfeiffer, Gerhard – G2 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 Bd7 5. e4 g6 6. d5 Nb8 7. g3 Bg7 8. Bg2 a5 9. O-O Nf6 10. Ne1 O-O
1951 Hungary Ch – Round 1 – Barcza, Gedeon – 1-0 – Gecsei, Istvan – G3 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 d6 7. Nd5 c6 8. Nc3 Qf6 9. Qd2 Nh6 10. b3 Be7
1951 Moskou ch-URS – Round ? – Lipnitsky, Isaac – 1-0 – Averbakh, Yuri L – G123 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 Nge7 6. O-O O-O 7. d3 d6 8. Rb1 a5 9. a3 Bf5 10. h3 h6
1951 New York – Round 1 – Bisguier, Arthur B – 1/2-1/2 – Horowitz, Albert Israel – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 O-O 9. O-O d6 10. Bg5 Rb8
1951 Wertheim Memorial – Round 8 – Bisguier, Arthur B – 1/2-1/2 – Horowitz, Albert Israel – G43 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 O-O 9. O-O d6 10. Bg5 Rb8
1952 URS ch sf – Round 1 – Chaplinsky, Edgar – 0-1 – Bannik, Anatolij – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 O-O 9. Bg5 h6 10. Bf4 a5
1953 Bucharest – Round 2 – Tolush, Alexander – 0-1 – Smyslov, Vladimir – G17 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. e3 Bg7 5. d4 d6 6. d5 Nce7 7. Be2 f5 8. Qc2 Nf6 9. O-O O-O 10. Rd1 h6
1953 Toronto CC Ch – Round 3 – Sarosy, Zoltan L – 1-0 – Morrison, John Stuart – G3 1. c4 e5 2. Nc3 Nc6 3. Nf3 Bc5 4. e3 d6 5. Be2 Nge7 6. O-O O-O 7. a3 a5 8. b3 f5 9. Bb2 Bd7 10. d4 Ba7
1954 Prague zt – Round 14 – Szabo, Ladislav – 1-0 – Pachman, Ludek – G74 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nd5 Bg7 6. Bg5 f6 7. Bf4 d6 8. Nxd4 a6 9. h4 h6 10. g3 f5
1954 Zuerich Zurich SUI – Round 2 – Schmid, Lothar – 1-0 – Beni, Alfred – G3 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Nd2 Nf6 6. e3 Be7 7. Be2 O-O 8. O-O Qe8 9. f3 Bb4 10. fxe4 Bxc3
1955 CSR Ch – Round 12 – Kozma, Julius – 1-0 – Florian, Jaromir – G89 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Nd2 d6 6. e3 g6 7. b3 Bg7 8. Bb2 Nf6 9. Be2 O-O 10. a3 Ne7
1955 DDR Ch 06th – Round 6 – Eising, Johannes – 1/2-1/2 – Dorawa, Bernhard – G27 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. e3 Bg7 5. Be2 Nge7 6. O-O O-O 7. a3 d5 8. cxd5 Nxd5 9. Qc2 Re8 10. d3 Be6
1955 URS Ch sf – Round 10 – Beilin, Mikhail – 0-1 – Chistiakov, Alexander – G11 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nd5 Bg7 6. Bg5 Nce7 7. Nxd4 c6 8. Nxe7 Nxe7 9. Qd2 h6 10. Bh4 d5
1956 AUT-DDR m – Round 2.4 – Herrmann, Ludwig – 0-1 – Kinzel, Anton – G10 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. e3 Nf6 5. d4 e4 6. Ng5 d6 7. h4 Qe7 8. Nh3 Nd8 9. Nf4 c6 10. d5 c5
1956 CSR Ch – Round 9 – Kozma, Julius – 1-0 – Marsalek, Josef – G76 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nd5 Bg7 6. Bg5 Nce7 7. Nxd4 c6 8. Nxe7 Nxe7 9. Qd2 d5 10. e3 O-O
1956 Moscow olm fin-B – Round 3 – Ojanen, Kaarle S – 1/2-1/2 – Vestol, Aage – G23 1. c4 e5 2. Nc3 d6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bd7 6. Nc2 Nf6 7. e4 Be7 8. Be2 O-O 9. f4 Re8 10. O-O Bf8
1959 URS Team Ch – Round ? – Korchnoi, Viktor – 1-0 – Aronin, Lev – G98 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Nd2 Nf6 6. e3 g6 7. a3 Bg7 8. b4 O-O 9. g3 d5 10. Nb3 Ne7
1960 Bariloche – Round 3 – Bianco Esposito, Antonio – 1-0 – Rossetto, Hector – G23 1. Nf3 Nc6 2. c4 e5 3. Nc3 g6 4. g3 Bg7 5. Bg2 Nge7 6. O-O d6 7. d3 O-O 8. Rb1 h6 9. b4 Be6 10. b5 Nb8
1961 Baku ch-URS – Round 10 – Taimanov, Mark E – 1/2-1/2 – Polugaevsky, Lev – G94 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. d5 exf3 6. dxc6 fxg2 7. cxd7+ Qxd7 8. Qxd7+ Bxd7 9. Bxg2 c6 10. O-O Nf6
1961 Katowice ch18-POL – Round 10 – Brzozka, Stefan – 1-0 – Klaput, Edward – G61 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 exd4 5. Nxd4 g6 6. Nd5 Bg7 7. Nb5 Rb8 8. Ndxc7+ Kf8 9. Bf4 Bxb2 10. Qxd6+ Qxd6
1961 Oberhausen etc – Round 7 – Udovcic, Mijo – 0-1 – Korchnoi, Viktor – G169 1. c4 e5 2. Nf3 Nc6 3. Nc3 f5 4. d3 d6 5. g3 g6 6. Bg2 Bg7 7. O-O Nge7 8. Bd2 h6 9. Rb1 Be6 10. b4 Qd7
1962 Erevan ch-URS – Round 1 – Khodos, German – 0-1 – Aronin, Lev – G3 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Nd2 Nf6 6. e3 g6 7. Be2 Bg7 8. O-O O-O 9. f3 exf3 10. Bxf3 b6
1962 Mar del Plata – Round 12 – Smyslov, Vladimir – 1/2-1/2 – Polugaevsky, Lev – G100 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. e3 Nf6 5. d4 e4 6. Nd2 d6 7. Be2 g6 8. b4 Bg7 9. b5 Ne7 10. O-O O-O
1962 Torremolinos zt – Round 1 – Gereben, Erno – 1-0 – Ulvestad, Olaf – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 Bb4 4. Nd5 a5 5. e3 e4 6. Nd4 d6 7. Nb5 f5 8. a3 Ne5 9. Nbxc7+ Kf8 10. Nxa8 Bc5
1963 Asztalos Memorial 6th – Round 3 – Bronstein, David I – 1-0 – Dely, Peter – G4 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Bg5 Be7 6. Bxe7 Qxe7 7. Nd5 Qd6 8. Nd2 Nge7 9. Nxe7 Nxe7 10. e3 O-O
1963 CSR Ch sf – Round 12.2 – Pribyl, Josef – 1-0 – Jansa, Vlastimil – G54 1. c4 e5 2. Nc3 f5 3. Nf3 Nc6 4. d4 e4 5. d5 exf3 6. dxc6 fxg2 7. cxd7+ Bxd7 8. Bxg2 Qh4 9. Be3 Nf6 10. Qb3 Be7
1963 HUN-RSFSR – Round 3.7 – Dely, Peter – 0-1 – Khodos, German – G23 1. c4 e5 2. Nf3 Nc6 3. Nc3 f5 4. e3 Nf6 5. d4 e4 6. Nd2 g6 7. f3 exf3 8. Nxf3 Bg7 9. Bd3 O-O 10. O-O Re8
1963 Spartak CC – Round ? – Katalymov, Boris – 1-0 – Cherepkov, Alexander V – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Bg5 Be7 6. Bxe7 Ngxe7 7. Nd2 Nxd4 8. Ndxe4 Ne6 9. Nd2 O-O 10. Nf3 d6
1963 Telnice/Usti – Round ? – Janata, Michael – 0-1 – Blatny, Frantisek – G3 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. d5 exf3 6. dxc6 fxg2 7. cxd7+ Qxd7 8. Bxg2 Qxd1+ 9. Kxd1 c6 10. Bf4 Be6
1964 CSR Ch – Round 15 – Kozma, Julius – 1/2-1/2 – Blatny, Frantisek – G110 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Bg5 Be7 6. Bxe7 Ncxe7 7. Nd2 Nf6 8. e3 O-O 9. Be2 c6 10. O-O d5
1964 ESP Ch 29th – Round 13 – Bordell Rosell, Roman – 1-0 – Puig, Pedro – G51 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 f6 5. d5 Nce7 6. e4 g6 7. g3 Bg7 8. Bg2 Nh6 9. h3 O-O 10. Be3 Nf7
1964 EU Team Ch sf – Round 5.7 – Maedler, Juergen, Dr. – 1/2-1/2 – Radovici, Corvin – G76 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. g3 g6 5. Bg2 Bg7 6. O-O Nge7 7. d3 O-O 8. Rb1 h6 9. Bd2 Be6 10. b4 Qd7
1964 Kiev ch-URS – Round 1 – Kholmov, Ratmir D – 1-0 – Goldenov, Boris P – G6 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Qe7 8. Bd2 Qe6 9. b3 Ne7 10. Rc1 Bb7
1964 Tel Aviv olm fin-B – Round 10 – Bonner, Gerald – 1/2-1/2 – Hoen, Ragnar Harald – G111 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 O-O 9. O-O d6 10. Qa4 Bd7
1964 WchT U26 11. fin-A – Round 6.1 – Brinck-Claussen, Bjorn – 1/2-1/2 – Hort, Vlastimil – G92 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 O-O 9. O-O d6 10. Qd2 Bf5
1964 YUG Ch 19th – Round 19 – Ivkov, Borislav – 1-0 – Mestrovic, Zvonimir – G17 1. c4 e5 2. Nc3 d6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Nf6 6. g3 Be7 7. Bg2 Bd7 8. O-O O-O 9. b3 Nxd4 10. Qxd4 Bc6
1965 Belgrade – Round 2 – Kavalek, Lubomir – 1-0 – Gheorghiu, Florin – G9 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Bg5 Be7 6. Bxe7 Ngxe7 7. Nd2 Nxd4 8. Ndxe4 Ne6 9. Ng3 O-O 10. e3 d6
1965 Budapest – Round 1 – Savon, Vladimir – 1-0 – Csom, Istvan – G2 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. e3 Bg7 5. d4 d6 6. Be2 Nf6 7. b3 O-O 8. Bb2 Bf5 9. d5 Nb4 10. O-O a5
1965 CSR Ch U18 – Round 5 – Pribyl, Josef – 1-0 – Boukal, Petr – G5 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Nd2 Nf6 6. e3 Bb4 7. Qb3 Bxc3 8. Qxc3 O-O 9. d5 Ne7 10. b4 d6
1965 Hamburg etc – Round 2 – Kestler, Hans-Guenther – 1/2-1/2 – Dely, Peter – G60 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ng1 Bb4 6. e3 Bxc3+ 7. bxc3 Nf6 8. Nh3 O-O 9. Be2 b6 10. O-O Ba6
1965 POL Ch 22th – Round 1 – Marszalek, Rafal – 0-1 – Sydor, Andrzej – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nd5 Bg7 6. Bg5 Nce7 7. Nxd4 c6 8. Nxe7 Nxe7 9. Qd2 O-O 10. e3 Re8
1965 Sarajevo – Round 11 – Polugaevsky, Lev – 1-0 – Kozomara, Vlado – G73 1. c4 e5 2. Nc3 d6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Nf6 6. e4 Be7 7. Be2 O-O 8. O-O Re8 9. Be3 Bf8 10. f3 Bd7
1965 Tallinn ch-URS – Round 1 – Osnos, Viatcheslav – 1/2-1/2 – Vasiukov, Evgeni – G8 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Bg5 Be7 6. Bxe7 Ncxe7 7. Nd2 Nf6 8. e3 O-O 9. Be2 d6 10. O-O c6
1965 Toronto CC Ch – Round 10 – Sarosy, Zoltan L – 1-0 – Avery, Peter – G10 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Nd2 Nxd4 6. Ndxe4 Ne6 7. Ng3 g6 8. e4 fxe4 9. Ngxe4 Bg7 10. Be3 Nf6
1965 USSR – Round 1 – Cherskikh – 0-1 – Cherepkov, Alexander V – G2 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d3 Nf6 5. g3 Bb4 6. Bg2 O-O 7. O-O Bxc3 8. bxc3 d6 9. Rb1 Qe8 10. Ne1 Qh5
1965 WchT U26 12. prel – Round 3 – Kavalek, Lubomir – 1-0 – Bleiman, Yaacov – G20 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 O-O 9. O-O h6 10. Qd2 d6
1966 ARMIES-ch3 Prague CZE – Round 9 – Bobotsov, Milko G – 1-0 – Novak, Stanislav – G15 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. e3 Bg7 5. d4 d6 6. Be2 Bd7 7. d5 Nce7 8. e4 f5 9. Ng5 Qc8 10. f4 Nh6
1966 Asztalos Memorial 9th – Round 10 – Barczay, Laszlo – 1/2-1/2 – Dely, Peter – G50 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ng5 h6 6. Nh3 g5 7. f3 exf3 8. exf3 Bg7 9. d5 Nd4 10. Be3 c5
1966 Bucharest Bucharest ROM – Round 1 – Haro Garcia, Gilberto – 0-1 – Ghitescu, Theodor – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 Nge7 6. O-O O-O 7. Rb1 a5 8. d3 d6 9. Bd2 h6 10. Qc1 Kh7
1966 Harrachov – Round 1 – Kavalek, Lubomir – 1/2-1/2 – Taimanov, Mark E – G2 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Qe7 8. Bd2 Rb8 9. Rb1 Nf6 10. Bg2 O-O
1966 Hungary – Round 1 – Hajtun, Joseph – 0-1 – Tompa, Janos – G3 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. e3 Nf6 7. Be2 O-O 8. O-O Re8 9. Nxc6 bxc6 10. Bf3 Bb7
1966 Kislovodsk – Round 5 – Stefanov , Preslav – 0-1 – Kholmov, Ratmir D – G27 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d3 Nf6 5. g3 d6 6. Bg2 g6 7. O-O Bg7 8. Rb1 O-O 9. b4 h6 10. b5 Ne7
1966 Lanjaron – Round 1 – O'Kelly, Albéric de Galway – 1-0 – Zinser, Sylvain – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nc2 Nge7 7. e4 d6 8. Be3 Be6 9. Qd2 Ne5 10. b3 Ng4
1966 Venice tt – Round 2 – Crepinsek, Ljubomir – 1-0 – Szabados, Eugenio – G8 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nd5 Bg7 6. Bg5 f6 7. Bf4 d6 8. Nxd4 Nge7 9. Nb5 Nxd5 10. cxd5 Nb8
1967 CSR Ch – Round 7 – Trapl, Jindrich – 1/2-1/2 – Blatny, Frantisek – G42 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nge7 4. g3 d6 5. Bg2 g6 6. O-O Bg7 7. Rb1 a5 8. a3 O-O 9. b4 axb4 10. axb4 Bf5
1967 FRA Ch 42nd – Round 5 – Sanner, Michel – 0-1 – Thiellement, Andre – G3 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Nd2 Nf6 6. e3 g6 7. a3 Bg7 8. b4 O-O 9. Be2 d6 10. b5 Ne7
1967 Havana Armies Ch 4th – Round 13 – Pribyl, Josef – 1-0 – Ozsvath, Andras – G79 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Nd2 Nf6 6. e3 g6 7. f3 exf3 8. Nxf3 Bg7 9. Bd3 O-O 10. O-O Ne7
1967 Hoogovens – Round 4 – Darga, Klaus – 1/2-1/2 – Ghitescu, Theodor – G24 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nd5 h6 6. Nxd4 a6 7. Bf4 d6 8. Nxc6 bxc6 9. Qd4 f6 10. Nc3 Bg7
1967 Skopje – Round 2 – Panov, Vladimir – 1-0 – Dely, Peter – G19 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Nd2 Nf6 6. e3 g6 7. Be2 Bg7 8. Rb1 O-O 9. b4 d6 10. Qb3 f4
1967 Sofia tt – Round 3 – Padevsky, Nikola – 1/2-1/2 – Zinn, Lothar – G35 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nc2 d6 7. e4 Nh6 8. Be2 O-O 9. Be3 f5 10. Qd2 Nf7
1967 Sofia tt – Round 3 – Skalkotas, Nikolaos – 0-1 – Drimer, Dolfi – G36 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 Nge7 6. O-O O-O 7. d3 d6 8. Rb1 Be6 9. e4 h6 10. b4 Qd7
1967 Sofia tt – Round 4 – Ghitescu, Theodor – 1/2-1/2 – Zinn, Lothar – G53 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nd5 Bg7 6. Bg5 Nce7 7. Nxd4 c6 8. Nxe7 Nxe7 9. Qd2 O-O 10. e3 d5
1967 Vrnjacka Banja zt – Round 16 – Bobotsov, Milko G – 1/2-1/2 – Bilyap, Siracettin – G109 1. c4 e5 2. Nc3 d6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Nf6 6. e4 Be7 7. Be2 O-O 8. Be3 Re8 9. f3 Nxd4 10. Qxd4 Be6
1968 Alma Ata ch-URS – Round 19 – Osnos, Viatcheslav – 1/2-1/2 – Klovans, Janis – G156 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. e3 Bg7 5. d4 d6 6. Be2 Nf6 7. h3 O-O 8. d5 Ne7 9. g4 c6 10. e4 a6
1968 Bristol ch-BCF – Round 2 – Keene, Raymond D – 1-0 – Aabel Thomas Eapen – G32 1. Nf3 Nc6 2. c4 e5 3. Nc3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 Rb8 9. Qa4 a6 10. O-O c5
1968 CCOL5 fin 6568 – Round ? – Poder, William – 1/2-1/2 – Zinn, Lothar – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nd5 d6 6. Nxd4 Be6 7. Nxc6 bxc6 8. Qd4 f6 9. Qe4 Kf7 10. Nf4 Bd7
1968 CSR Ch – Round 18 – Kavalek, Lubomir – 1-0 – Blatny, Frantisek – G156 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Bg5 Be7 6. Bxe7 Ncxe7 7. Nd2 Nf6 8. e3 d6 9. f3 exf3 10. Qxf3 c6
1968 IBM I – Round 13 – Bronstein, David I – 1-0 – Shamkovich, Leonid – G45 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 Ne7 7. b3 Nc6 8. Qd2 Be7 9. Nd5 Bf6 10. Nxf6+ Qxf6
1968 Meldorf U26 – Round 7 – Klibor, Lutz – 1/2-1/2 – Tompa, Janos – G27 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 d6 6. O-O Nge7 7. d3 O-O 8. Bd2 h6 9. Ne1 Be6 10. f4 Qd7
1968 ROM Ch – Round 7 – Vaisman, Volodia – 1/2-1/2 – Szabo, Iuliu inactive – G38 1. c4 e5 2. Nc3 d6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 g6 6. Nxc6 bxc6 7. g3 Bg7 8. Bg2 Bd7 9. O-O Ne7 10. Qd2 O-O
1968 URS Team Ch – Round 1 – Nei, Iivo – 1/2-1/2 – Osnos, Viatcheslav – G4 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Bg5 Be7 6. Bxe7 Qxe7 7. Nd5 Qd6 8. Nd2 Nge7 9. e3 Nxd5 10. cxd5 Qxd5
1969 Buesum – Round 3 – Larsen, Bent Ravn – 1-0 – Huebner, Robert – G13 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 O-O 9. O-O Rb8 10. Qc2 Nf5
1969 Capablanca Memorial – Round 13 – Garcia Martinez, Salomon – 0-1 – Drimer, Dolfi – G94 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nc2 d6 7. g3 h5 8. h4 Nh6 9. Bg5 f6 10. Bd2 Ne5
1969 Capablanca Memorial – Round 8 – O'Kelly, Albéric de Galway – 1/2-1/2 – Garcia Martinez, Silvino – G58 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ng5 Be7 6. Nh3 Nf6 7. e3 O-O 8. a3 a6 9. Be2 Qe8 10. f4 d6
1969 DSV-Turnier – Round 2 – Zinn, Lothar – 1/2-1/2 – Vogt, Lothar – G6 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nd5 Bg7 6. Bg5 Nce7 7. Nxd4 c6 8. Nc3 Qa5 9. Qd2 d5 10. Nb3 Qb4
1969 DSV-Turnier – Round 8 – Golz, Werner – 1-0 – Vogt, Lothar – G38 1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 exd4 5. Nxd4 g6 6. g3 Bg7 7. Nxc6 bxc6 8. Bg2 Ne7 9. O-O O-O 10. Qa4 Bd7
1969 Praia da Rocha zt – Round 9 – Filip, Miroslav – 1-0 – Huguet, Bernard – G26 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 O-O 9. O-O d6 10. Qa4 Be6
1969 Team match FRG-CSR – Round 1 – Kestler, Hans-Guenther – 1-0 – Hlousek, Zdenek – G3 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 d6 9. O-O O-O 10. Qa4 Be6
1969 Toronto CC Ch 1968-69 – Round 13 – Sarosy, Zoltan L – 1-0 – Ramanauskas, Arnas – G10 1. c4 e5 2. Nc3 Nc6 3. Nf3 Be7 4. e4 Nf6 5. d4 exd4 6. Nxd4 Bb4 7. Nf5 Bxc3+ 8. bxc3 O-O 9. Bd3 d6 10. Ne3 Re8
1969 Toronto Closed reserves 1 – Round 1 – Sarosy, Zoltan L – 0-1 – Rajagopal, Mohan – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Nd2 Nf6 6. e3 Bb4 7. Qb3 Bxc3 8. Qxc3 d6 9. Be2 O-O 10. O-O a5
1969 WchT U26 qual-A – Round 1 – McGrillen, Hugh – 0-1 – Tukmakov, Vladimir B – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. e3 Nf6 8. Be2 O-O 9. O-O d5 10. Bf3 Ba6
1971 Moscow – Round ? – Kotov, Alexander A – 0-1 – Liberzon, Vladimir – G15 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ng5 Bb4 6. d5 Ne5 7. Qd4 Qe7 8. Bf4 Ng6 9. d6 cxd6 10. Nh3 Nxf4
1975 Torneo Internazionale – Round 7 – Camilleri, Henry – 0-1 – Musolino, Paolo – G1 1. c4 e5 2. Nc3 Nc6 3. Nf3 Bc5 4. e3 Bb4 5. Qc2 a5 6. d4 d6 7. a3 Bxc3+ 8. Qxc3 Bg4 9. Be2 e4 10. Ng1 Nf6
World Blitz 2017 – Round 4.38 – Khismatullin, Denis – 0-1 – Fedorchuk, Sergey A. – G204 1. c4 e5 2. Nc3 Nc6 3. Nf3 Bc5 4. e3 d6 5. d4 exd4 6. exd4 Bb4 7. Bd2 Bxc3 8. Bxc3 d5 9. cxd5 Qxd5 10. Ne5 Nge7

A27a — Three Knights

1.c4 e5 2.Nc3 Nc6 3.Nf3

Eval: [+0.12]

Les coups candidats

3…Nf6 — 43.2% (5465 parties) →

Ambassadeurs : Zielinski, Sergej (27x), Uhlmann, Wolfgang (25x), Beck, Georges (21x), Vetter, Udo (20x), Portych, Václav (20x), ? (19x), Fedukin, Alexandre (15x), Grimm, Wolfgang, Dr. (14x)

3…f5 — 24.0% (3030 parties) →

Ambassadeurs : Pech, Jaroslav Jr (14x), Moody, David W (13x), Cafferty, Bernard (12x), Ikonnikov, Vyacheslav (12x), Vetter, Udo (11x), Uhlmann, Wolfgang (10x), Browne, Walter Shawn (10x), Feistenauer, Fred (10x)

3…g6 — 18.8% (2380 parties) →

Ambassadeurs : Banas, Jan (13x), Uhlmann, Wolfgang (11x), McNab, Colin A (10x), Lenz, Juergen (10x), Jirka, Jiri (7x), Ragozin, Viacheslav (6x), Alatortsev, Vladimir N. (6x), De Potter, Jurgen (6x)

3…d6 — 7.0% (884 parties) →

Ambassadeurs : Ruckschloss, Karol (8x), Banas, Jan (5x), Brodie, Hugh (4x), Villing, Dieter (4x), Pedersen, Svend (4x), Holfelder, Hans-Joachim (4x), Frindt, Kornel (4x), Rovner, Dmitry (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	3…Nf6	3…f5	3…g6	3…d6
<1800	462	49%	19%	10%	9%
1800-2200	4067	40%	26%	19%	8%
2200-2600	4399	42%	27%	23%	5%
2600+	186	56%	23%	15%	1%

Évolution par décennie (% des parties)

Décennie	N parties	3…Nf6	3…f5	3…g6	3…d6
1910s	1	—	100%	—	—
1920s	44	75%	7%	2%	11%
1930s	109	57%	19%	13%	7%
1940s	77	47%	17%	23%	8%
1950s	78	46%	15%	22%	10%
1960s	161	28%	28%	28%	10%
1970s	416	33%	33%	22%	10%
1980s	748	39%	34%	18%	5%
1990s	2729	40%	25%	21%	8%
2000s	3503	45%	21%	19%	8%
2010s	3838	47%	22%	17%	6%
2020s	946	38%	31%	17%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
3…Nf6	47%	38%	▼ -8.5%
3…f5	22%	31%	▲ +8.5%
3…g6	17%	17%	-0.3%
3…d6	6%	4%	▼ -1.3%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 10 parties
Carlsen, Magnus — 7 parties
Lasker, Emanuel — 4 parties
Karpov, Anatoly — 4 parties
Euwe, Max — 3 parties
Alekhine, Alexander — 3 parties
Kramnik, Vladimir — 2 parties
Steinitz, Wilhelm — 1 partie
Karpov, Aleksandr — 1 partie
Anand, Viswanathan — 1 partie
Kasparov, Garry — 1 partie
Gukesh D — 1 partie

Parties historiques

3…Nf6 — 43.2% (5465 parties)

1921 — Tartakower, Savielly vs Gruenfeld, Ernst — 1/2-1/2 — Vienna m4 Vienna AUT
1924 — Mahon, T. vs Jackson, Edward — 0-1 — New York, NY USA
1925 — Tartakower, Savielly vs Saemisch, Friedrich — 1-0 — Ch World (match) New York (US
1925 — Villegas, Benito vs Romano, Valentin — 1-0 — Montevideo URU
1925 — Steinitz, Wilhelm vs Lasker, Emanuel — 1-0 — Belgie m

3…f5 — 24.0% (3030 parties)

1913 — Staffer, John Homer vs Jaffe, Charles — 0-1 — New York, NY USA
1926 — Ahues, Carl vs Colle, Edgar — 1-0 — Berlin GER
1927 — Babel August vs Pitschak, Rudolf — 1-0 — Magdeburg GER
1928 — Kevitz, Alexander vs Lasker, Emanuel — 1-0 — New York, NY USA
1930 — Carls, Carl vs Soler Bordas, Placido — 1/2-1/2 — Hamburg GER

3…g6 — 18.8% (2380 parties)

1927 — Reti, Richard vs Perez Wertheim, Rodolfo — 1-0 — The Hague NED
1931 — Mazel, Isaak Y vs Riumin, Nikolai — 1/2-1/2 — ?
1932 — Mueller, Hans vs Kmoch, Hans — 1/2-1/2 — Wenen Trebitsch
1933 — Buerger, Victor vs Pitschak, Rudolf — 0-1 — Brno ch
1933 — Wolthuis, Jan Aksel vs Reid, Peter — 1-0 — Hastings ENG

3…d6 — 7.0% (884 parties)

1925 — Rabinovich, Ilya Mar vs Nenarokov, Vladimir — 1-0 — Leningrad ch-URS
1926 — Van Hoorn, Peter vs Loman, Rudolf — 0-1 — Utrecht NED
1926 — Ahues, Carl vs Saemisch, Friedrich — 1/2-1/2 — Berlin GER
1928 — Opocensky, Karel vs Walter, Max — 1-0 — Brno CZE
1928 — Opocensky, Karel vs Walter, Max — 1-0 — ?

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