A31a — English: Symmetrical, Two Knights

1.c4 c5 2.Nf3 Nf6 3.d4 * ● 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 e5 et g5 et la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8, le roi resté au centre et une pièce en prise (le pion en c5).

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1, 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) ; Nc3 (Développer Nb1) ; 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) ; ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...Bd6 (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	● e5 (2v0), ● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v1), ● e5 (2v0)	● e4 (1v0)

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. 0)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	5 (b1, 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	● d4-d5, ● e2-e3	● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1911 Karlsbad – Round 1 – Nimzowitsch, Aron – 1/2-1/2 – Schlechter, Carl – G5 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 d5 6. cxd5 Nxd5 7. Nxc6 bxc6 8. g3 Nxc3 9. Qxd8+ Kxd8 10. bxc3 e5
1925 Baden-Baden – Round 1 – De La Torre Huertas, Carlos – 1/2-1/2 – Alekhine, Alexander – G53 1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 Nc6 5. Nc3 g6 6. g3 Qb6 7. Nb3 Na5 8. Be3 Qd8 9. Nxa5 Qxa5 10. Bg2 Bg7
1925 Baden-Baden – Round 11 – Alekhine, Alexander – 1-0 – Saemisch, Friedrich – G129 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 b6 5. Nc3 Bb7 6. Bg5 Ne4 7. Nxe4 Bxe4 8. f3 Bb7 9. e4 f6 10. Be3 Nc6
1925 Baden-Baden GER – Round ? – Alekhine, Alexander – 1-0 – Saemisch, Friedrich – G7 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 b6 5. Nc3 Bb7 6. Bg5 Ne4 7. Nxe4 Bxe4 8. f3 Bb7 9. e4 f6 10. Be3 Nc6
1927 London – Round 5 – Fairhurst, William – 1/2-1/2 – Reti, Richard – G23 1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. e4 Nc6 7. Nb3 O-O 8. Be2 b6 9. O-O Bb7 10. Bf4 d6
1927 London Olympiad 1st – Round 12.13 – Nogues Acuna, Alejandro – 0-1 – Yates, Frederic D – G126 1. Nf3 c5 2. c4 Nf6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nb3 O-O 7. e4 Nc6 8. Be2 d6 9. Be3 Be6 10. O-O b6
1927 Trebitsch mem11 – Round 1 – Mueller, Hans – 1-0 – Hoenlinger, Baldur – G1 1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. Nc2 Bg7 7. g3 O-O 8. Bg2 d6 9. O-O Be6 10. b3 d5
1928 BCF Ch 21st – Round 11 – Barlow, Henry Stephens – 0-1 – Thomas, George Alan – G21 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. g3 Nc6 6. d5 Na5 7. e4 d6 8. h3 Bd7 9. Be3 O-O 10. Qd2 Re8
1928 Bradley Beach – Round 3 – Lasker, Edward – 0-1 – Turover, Isador – G7 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. Nc2 Bg7 7. g3 d6 8. Bg2 Bd7 9. O-O Qa5 10. Nb5 a6
1928 Budapest – Round 1 – Marshall Viele, Fabrizio Aaron – 1-0 – Merenyi, Lajos – G22 1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. e3 Bg7 5. Nc3 cxd4 6. exd4 d6 7. Bd3 O-O 8. O-O h6 9. Re1 Re8 10. h3 Bd7
1928 Trebitsch mem12 – Round 5 – Takacs, Sandor – 1-0 – Steiner, Endre – G7 1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. g3 d6 7. Bg2 Bd7 8. O-O Qc8 9. Re1 Bg7 10. b3 h5
1928 Trencianske Teplice SVK – Round 1 – Engel, Jindrich – 1-0 – Steiner, Endre – G2 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 b6 5. g3 Bb7 6. Nf3 e6 7. Bg2 Be7 8. Nc3 Qc8 9. Qd3 Na6 10. b3 d5
1929 Duisburg – Round 8 – Porath, Yosef – 0-1 – Richter, Kurt – G10 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. e4 d6 7. f3 Nc6 8. Be3 O-O 9. Qd2 Be6 10. Be2 Rc8
1929 Karlsbad – Round 1 – Menchik, Vera Frantsevna – 0-1 – Canal, Esteban – G162 1. Nf3 c5 2. c4 Nf6 3. d4 cxd4 4. Nxd4 b6 5. Nc3 Bb7 6. Bg5 Ne4 7. Nxe4 Bxe4 8. f3 Bb7 9. e4 g6 10. Be2 Bg7
1929 Karlsbad – Round 1 – Menchik, Vera Frantsevna – 0-1 – Rubinstein, Akiba – G170 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 d5 5. cxd5 a6 6. a3 Nxd5 7. g3 e5 8. Nc2 Bc5 9. Bg2 Be6 10. O-O Nc6
1929 Karlsbad – Round 20 – Thomas, George Alan – 0-1 – Euwe, Max – G204 1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 b6 5. Nd2 Bb7 6. N2f3 g6 7. e3 Bg7 8. Be2 O-O 9. b3 d5 10. O-O Nbd7
1929 Odessa ch-URS – Round 8 – Zubarev, Nikolay – 0-1 – Ravinsky, Grigory – G30 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. g3 Bg7 7. Bg2 Qb6 8. Nxc6 dxc6 9. O-O Be6 10. b3 Rd8
1932 Amsterdam/Karlsbad m – Round 5 – Flohr, Salo – 1/2-1/2 – Euwe, Max – G5 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 d5 6. cxd5 Nxd5 7. Ndb5 Nxc3 8. Qxd8+ Kxd8 9. Nxc3 Bg7 10. Bd2 Be6
1932 Swinemunde – Round 1 – Moritz, Bruno – 0-1 – Mieses, Jacques – G2 1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. d4 cxd4 5. Nxd4 Bb7 6. f3 g6 7. e4 d6 8. Be3 Bg7 9. Be2 O-O 10. Qd2 Nbd7
1933 New York – Round ? – Denker, Arnold S – 1-0 – MacMurray, D. – G31 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 d5 6. Qa4 Qd7 7. cxd5 Nxd5 8. Nxd5 Qxd5 9. Nb5 Qd7 10. Bd2 e5
1933 New York – Round 11 – Denker, Arnold S – 1-0 – Levenstein, Mark – G27 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 cxd4 5. Nxd4 d5 6. Bg5 Ne4 7. Nxe4 dxe4 8. Nb5 Bg7 9. Qxd8+ Kxd8 10. O-O-O+ Bd7
1934 Leningrad ch-URS – Round 19 – Mazel, Isaak Y – 0-1 – Bohatyrchuk, Fedir Parfenovych – G167 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. g3 Bg7 7. Bg2 a6 8. O-O Qc7 9. b3 O-O 10. Bb2 d6
1934 Zuerich – Round ? – Nimzowitsch, Aron – 1-0 – Mueller, Hans – G108 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. Nc2 Bg7 7. g3 d6 8. Bg2 Be6 9. Ne3 O-O 10. O-O Qc8
1935 AUS Ch – Round 8 – Koshnitsky, Gregory – 1-0 – Green Martin – G5 1. c4 Nf6 2. Nf3 c5 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qb6 6. Nc2 e6 7. e3 Be7 8. Be2 O-O 9. O-O a6 10. e4 Qc7
1935 Buenos Aires – Round 9 – Villegas, Benito – 1/2-1/2 – da Silva Rocha, Adhemar – G72 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 d5 5. cxd5 Nxd5 6. e4 Nb4 7. Qa4+ N8c6 8. Nxc6 Nxc6 9. Nc3 Bd7 10. Be3 e6
1935 Moskou – Round 8 – Levenfish, Grigory – 1-0 – Lisitsin, Georgy – G47 1. c4 Nf6 2. Nc3 c5 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. e4 d6 7. Be2 O-O 8. O-O Nbd7 9. Be3 Nc5 10. f3 b6
1936 Olympiad (unofficial) – Round 11 – Keres, Paul Petrovich – 1-0 – Andersen, Erik – G86 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 b6 5. f3 Bb7 6. e4 Nc6 7. Nc3 g6 8. Be3 Bg7 9. Qd2 O-O 10. Rd1 d6
1936 Olympiad (unofficial) – Round 4 – Tuern, Johannes – 0-1 – Hromadka, Karel – G30 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 b6 5. e4 Bb7 6. d5 d6 7. Bd2 Bg7 8. Qc1 O-O 9. Bh6 e6 10. Bxg7 Kxg7
1936 Podebrady – Round ? – Frydman, Paulino – 1-0 – Opocensky, Karel – G105 1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. g3 cxd4 5. Nxd4 d5 6. Bg2 dxc4 7. Qa4+ Bd7 8. Qxc4 Nc6 9. Nxc6 bxc6 10. O-O Bg7
1936 Podebrady – Round 17 – Frydman, Paulino – 1/2-1/2 – Richter, Kurt P – G54 1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 Nc6 5. Nc3 d5 6. cxd5 Nxd5 7. Nxc6 bxc6 8. Bd2 e6 9. e4 Nf6 10. Bg5 Qxd1+
1936 Trade Unions – Round 1 – Stepanov, Aleksandar – 0-1 – Yudovich, Mikhail M – G23 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. g3 g6 7. Bg2 Bg7 8. O-O O-O 9. Nc3 Rb8 10. Qa4 Qc7
1936 Trebitsch mem19 – Round 1 – Füster, Géza – 1/2-1/2 – Opocensky, Karel – G2 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. e4 cxd4 6. Nxd4 O-O 7. Be2 d6 8. O-O Nbd7 9. Be3 Nc5 10. f3 Bd7
1937 Bad Elster – Round 8 – Bluemich, Max – 1/2-1/2 – Rellstab, Ludwig – G27 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 d5 5. cxd5 Nxd5 6. e4 Nb4 7. Be3 N8c6 8. Nxc6 Qxd1+ 9. Kxd1 Nxc6 10. Nc3 Bd7
1939 Bad Oeynhausen ch-GER – Round 12 – Kieninger, Georg – 1-0 – Rellstab, Ludwig – G82 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 d5 5. cxd5 Nxd5 6. a3 g6 7. e4 Nc7 8. Nc3 Bg7 9. Be3 O-O 10. Bc4 Nd7
1939 Bad Oeynhausen ch-GER – Round 15 – Heinicke, Herbert – 1-0 – Gilg, Karl – G102 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 d5 5. cxd5 Nxd5 6. e4 Nb4 7. Bb5+ Bd7 8. Bc4 N8c6 9. Nxc6 Bxc6 10. Qb3 e6
1939 Prague olm qual – Round 1 – Kottnauer, Cenek – 1/2-1/2 – Louma, Josef – G1 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 d5 5. cxd5 Nxd5 6. e4 Nb4 7. Na3 e5 8. Bb5+ N8c6 9. Nxc6 Qxd1+ 10. Kxd1 bxc6
1940 Rakovnik – Round 1 – Zíta, František – 0-1 – Louma, Jiri – G1 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 d5 5. cxd5 Nxd5 6. e4 Nb4 7. Qa4+ N8c6 8. Nxc6 Nxc6 9. Be3 Bd7 10. Nc3 e6
1941 Brno zupni sjezd – Round 1 – Koska, Jiri – 1-0 – Hromadka, Karel – G1 1. d4 Nf6 2. Nf3 c5 3. d5 g6 4. c4 Bg7 5. Nc3 d6 6. e4 a6 7. h3 O-O 8. Bd3 e6 9. O-O exd5 10. exd5 Re8
1941 Montevideo – Round 6 – Eliskases, Erich – 1-0 – Canepa, Jose – G20 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 g6 6. Nc2 Bg7 7. g3 b6 8. Bg2 Bb7 9. O-O O-O 10. b3 Qc8
1941 Montevideo – Round 8 – Olivera, Alfredo – 1-0 – Canepa, Jose – G30 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 d5 6. Qa4 Qd7 7. cxd5 Nxd5 8. Nxd5 Qxd5 9. Nb5 Qd8 10. Bf4 e5
1942 Chocen – Round ? – Dobias, Josef – 0-1 – Hromadka, Karel – G47 1. Nf3 Nf6 2. c4 b6 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Bb7 6. f3 Nc6 7. e4 g6 8. Be3 Bg7 9. Be2 O-O 10. Qd2 Rc8
1942 Chocen NT – Round ? – Kottnauer, Cenek – 1-0 – Zita, Frantisek – G16 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 d5 5. cxd5 Nxd5 6. e3 e6 7. Be2 Be7 8. O-O O-O 9. Bd2 e5 10. Nf3 Nc6
1944 Brno ch CZE – Round 9 – Opocensky, Karel – 1/2-1/2 – Pachman, Ludek – G14 1. Nf3 c5 2. c4 Nf6 3. d4 cxd4 4. Nxd4 d5 5. cxd5 Nxd5 6. Nb5 Qa5+ 7. N1c3 Nxc3 8. Nxc3 e5 9. g3 Nc6 10. Bg2 Be6
1945 Ljubljana Liberation – Round 5 – Pachman, Ludek – 1/2-1/2 – Gligoric, Svetozar – G13 1. c4 Nf6 2. Nf3 c5 3. d4 cxd4 4. Nxd4 d5 5. cxd5 Nxd5 6. e4 Nb4 7. Qa4+ N4c6 8. Nxc6 Nxc6 9. Be3 g6 10. Nc3 Bg7
1946 New York ch-USA – Round 1 – Levin, Jerome A – 1/2-1/2 – Pinkus, Albert – G14 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 d5 5. cxd5 Nxd5 6. e4 Nc7 7. Nc3 e5 8. Ndb5 Qxd1+ 9. Nxd1 Nxb5 10. Bxb5+ Bd7
1947 Hilversum zt – Round 8 – Trifunovic, Petar – 1-0 – Doerner, Charles – G35 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qb6 6. Nc2 e6 7. e3 a6 8. Be2 d6 9. O-O Bd7 10. e4 Ne5
1947 Warsaw – Round 8 – Pachman, Ludek – 1-0 – Sliwa, Bogdan – G38 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 g6 5. f3 Bg7 6. e4 d6 7. Nc3 Nc6 8. Nc2 Be6 9. Be3 Rc8 10. Qd2 O-O
1948 Karlovy Vary – Round 10 – Vidmar, Marjeta – 1-0 – Stulik, Vlastimil – G107 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 b6 5. f3 d5 6. cxd5 Nxd5 7. e4 Nc7 8. Bf4 Bd7 9. Nc3 f6 10. Bxc7 Qxc7
1948 Moskou ch-URS – Round 15 – Konstantinopolsky, Alexander – 1/2-1/2 – Taimanov, Mark E – G130 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 e5 5. Nb5 Bc5 6. Nd6+ Ke7 7. Nxc8+ Qxc8 8. Nc3 d6 9. e3 Rd8 10. Be2 Nc6
1949 URS Ch, semi final – Round 6 – Sokolsky, Alexey – 1-0 – Bastrikov, Georgy – G45 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 d5 5. cxd5 Qxd5 6. Nc3 Qa5 7. g3 e5 8. Nb3 Qc7 9. Bg2 Bd7 10. O-O Bc6
1952 Buenos Aires – Round 1 – Alonso-Lej De Las Casas, Fernando – 1-0 – Patt Rubinstein, Jacobo – G8 1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. g3 d6 7. Bg2 Bd7 8. Nc2 Bg7 9. O-O O-O 10. b3 Qc8
1952 Helsinki olm – Round 1 – Reshevsky, Samuel – 1-0 – Czerniak, Magdalena – G43 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. d5 Bg7 5. g3 O-O 6. Bg2 d6 7. O-O e6 8. dxe6 Bxe6 9. Ng5 Nc6 10. Nxe6 fxe6
1952 Moskou ch-URS – Round 1 – Smyslov, Vladimir – 0-1 – Korchnoi, Viktor – G143 1. Nf3 c5 2. c4 Nf6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 d5 6. Bg5 dxc4 7. e3 Bg7 8. Bxc4 O-O 9. O-O a6 10. Qb3 Nbd7
1954 Belgrade – Round 16 – Rabar, Braslav – 0-1 – Czerniak, Moshe – G127 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 Bc5 6. Nd6+ Ke7 7. Nxc8+ Qxc8 8. Nc3 Bb4 9. Qb3 Na6 10. Bg5 Qc6
1954 CSR Ch – Round 5 – Pithart, Frantisek – 1/2-1/2 – Zíta, František – G36 1. c4 Nf6 2. Nf3 c5 3. d4 cxd4 4. Nxd4 d5 5. cxd5 Nxd5 6. e4 Nc7 7. Bf4 e5 8. Bxe5 Bb4+ 9. Nc3 O-O 10. Qf3 Re8
1954 DDR Ch U20 – Round 4 – Moehring, Guenther – 0-1 – Eising, Johannes – G16 1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. Nf3 Bg7 5. g3 O-O 6. Bg2 Nc6 7. e4 cxd4 8. Nxd4 Nxe4 9. Nxc6 Nxc3 10. Nxd8 Nxd1
1954 Hungary Ch – Round 1 – Szabo, Ladislav – 1/2-1/2 – Benko, Pal – G5 1. c4 Nf6 2. Nc3 c5 3. Nf3 g6 4. d4 cxd4 5. Nxd4 d5 6. cxd5 Nxd5 7. Ndb5 Nxc3 8. Qxd8+ Kxd8 9. Nxc3 Nc6 10. Bf4 e5
1954 Lodz ch POL – Round 16 – Blaszczak, Czeslaw – 0-1 – Witkowski, Stefan – G11 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 d5 6. cxd5 Nxd5 7. Nxc6 bxc6 8. g3 Nxc3 9. Qxd8+ Kxd8 10. bxc3 e5
1954 URS Team Ch – Round 10 – Chistiakov, Alexander – 0-1 – Suetin, Alexey S – G179 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 cxd4 5. Nxd4 d5 6. cxd5 Nxd5 7. Ndb5 Nxc3 8. Qxd8+ Kxd8 9. Nxc3 Bg7 10. Bf4 Be6
1955 American Continental – Round 16 – Sanguinetti, Renato – 0-1 – Redolfi, Argentino Rodolfo – G11 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. e3 O-O 6. Be2 b6 7. O-O Bb7 8. Qc2 cxd4 9. Nxd4 d6 10. Rd1 Nbd7
1955 CSR Ch – Round 7 – Kozma, Julius – 1/2-1/2 – Fichtl, Jiri – G57 1. Nf3 Nf6 2. d4 c5 3. c4 cxd4 4. Nxd4 b6 5. Nc3 Bb7 6. f3 Nc6 7. Nc2 e6 8. e4 Bc5 9. Be3 O-O 10. Be2 Qe7
1955 Hungary – Round 5 – Szabo, Ladislav – 1/2-1/2 – Ilivitsky, Georgy A – G12 1. c4 Nf6 2. Nf3 c5 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qb6 6. Nc2 e6 7. e3 Be7 8. Be2 O-O 9. O-O Rd8 10. e4 d6
1955 Hungary Ch – Round 1 – Jenei, Ferenc – 1/2-1/2 – Tapaszto Binet, Laszlo – G31 1. d4 Nf6 2. Nf3 c5 3. c4 g6 4. Nc3 Bg7 5. d5 O-O 6. Bg5 d6 7. e4 Qa5 8. Bd2 a6 9. Qc2 Re8 10. Be2 Nbd7
1955 Manhattan CC Ch 5556 – Round 3 – Lombardy, William J – 1/2-1/2 – Kevitz, Alexander – G11 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nc2 d5 6. cxd5 Qxd5 7. Bd2 Ne4 8. Ne3 Qc6 9. Nc3 Nxd2 10. Qxd2 Bc5
1955 Poland ch13 – Round 10 – Szapiro, Grzegorz – 0-1 – Pytlakowski, Andrzej – G30 1. d4 Nf6 2. c4 c5 3. Nf3 b6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Bf4 d6 7. Ndb5 e5 8. Bg5 a6 9. Bxf6 gxf6 10. Na3 f5
1955 Wch U20 final-B – Round 1 – Ciric, Dragoljub M – 0-1 – Lloyd, Kenneth – G1 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 cxd4 5. Qxd4 Nc6 6. Qd1 Bg7 7. e4 O-O 8. Be2 b6 9. O-O Bb7 10. Rb1 Rc8
1955 Zagreb – Round 18 – Minev, Nikolay N – 1/2-1/2 – Udovcic, Mijo – G175 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be7 8. e4 O-O 9. Be2 Nc6 10. Nc2 Be6
1956 Leningrad ch-URS – Round 1 – Simagin, Vladimir – 0-1 – Korchnoi, Viktor – G74 1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 g6 5. Nc3 d5 6. Bg5 dxc4 7. e3 Bg7 8. Bxc4 O-O 9. O-O a6 10. Qe2 b5
1956 Olympiad Moscow RUS – Round 5 – Ojanen, Kaarle S – 1-0 – Boutteville, Cesar – G18 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d5 6. cxd5 Nxd5 7. Nxc6 bxc6 8. Bd2 e5 9. Qa4 Bd7 10. Qc4 Bd6
1956 URS Ch sf – Round ? – Rovner, Dmitry – 1/2-1/2 – Stoliar, Efim Samoilovich – G7 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 b6 5. Nc3 Bb7 6. Bg5 e6 7. e4 h6 8. Bh4 g5 9. Bg3 Nxe4 10. Be5 f6
1957 Mar del Plata – Round 7 – Eliskases, Erich – 1/2-1/2 – Cuellar Gacharna, Miguel – G71 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 a6 6. Nc2 e5 7. g3 Bc5 8. Bg2 d6 9. O-O Be6 10. Nd5 Bxd5
1957 OWL Ch – Round 7 – Hantke Rolf – 1/2-1/2 – Josting, Friedel – G16 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 d5 5. cxd5 Nxd5 6. e3 e6 7. Be2 Be7 8. O-O O-O 9. a3 Bd7 10. e4 Nb6
1958 BUL Ch – Round ? – Kolarov, Atanas Stefanov – 1/2-1/2 – Bobotsov, Milko G – G67 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d5 6. Qa4 e6 7. cxd5 Nxd5 8. Nxc6 Nxc3 9. bxc3 Qd7 10. e4 bxc6
1958 HUN Ch 13th – Round 2 – Koberl, Ferenc – 1/2-1/2 – Hajtun, Jozsef – G10 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. e3 Bg7 7. Be2 O-O 8. O-O d6 9. b3 Qa5 10. Bb2 Bd7
1958 Munich olm prel – Round 2 – Mashian, Yaacov – 1/2-1/2 – Palmason, Gudmundur – G42 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 Nc6 7. dxc5 Qa5 8. O-O Qxc5 9. Be3 Qa5 10. Nd2 d6
1958 Munich olm prel – Round 6 – Beckingham – 0-1 – Wade, Robert G – G130 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 g6 6. g3 Bg7 7. Nf3 O-O 8. Bg2 d6 9. O-O Be6 10. Nd5 Rc8
1958 Olympiad Munich GER – Round 3 – Prameshuber, Alexander – 0-1 – Prins, Laura – G3 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qa5 6. e3 Ne4 7. Qc2 Nxc3 8. Bd2 Nxd4 9. exd4 e5 10. Bxc3 Bb4
1959 Buenos Aires Ch – Round 7 – Incutto, Carlos – 1/2-1/2 – Palermo, Vicente – G26 1. c4 Nf6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 d5 5. cxd5 Nxd5 6. e4 Nc7 7. Bc4 e5 8. Qa4+ Bd7 9. Qb3 Qe7 10. Nf5 Qb4+
1959 Candidats Tournament – Round 14 – Petrosian, Tigran V – 1/2-1/2 – Gligorić, Svetozar – G52 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d5 6. cxd5 Nxd5 7. Nxc6 bxc6 8. Bd2 e6 9. g3 Be7 10. Bg2 O-O
1959 Santiago – Round 12 – Jauregui, Carlos – 1-0 – Ader Hausman, Walter – G65 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 g6 5. Nc3 d5 6. cxd5 Nxd5 7. Ndb5 Nxc3 8. Qxd8+ Kxd8 9. Nxc3 Bg7 10. Bd2 Bd7
1959 Warsaw Legion tt – Round 1.5 – Grynszpan, Adam – 0-1 – Zinn, Lothar – G9 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc2 g6 6. g3 Bg7 7. Bg2 O-O 8. O-O d6 9. Nc3 Bg4 10. Ne3 Qd7
1959 York ch-BCF – Round 2 – Fazekas, Stephan – 1/2-1/2 – Aabel Thomas Eapen – G26 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nc2 d5 6. cxd5 Qxd5 7. Bd2 Ne4 8. Nc3 Qxd2+ 9. Qxd2 Nxd2 10. Kxd2 Be6
1960 Baltic Nations – Round 4 – Burehall, Arne – 0-1 – Doda, Zbigniew – G8 1. Nf3 Nf6 2. d4 c5 3. c4 cxd4 4. Nxd4 Nc6 5. Nc3 Qb6 6. Nc2 e6 7. e3 d5 8. cxd5 exd5 9. Be2 Bf5 10. O-O Be7
1960 Buenos Aires ch-ARG – Round 9 – Incutto – 0-1 – Bolbochan, J. – G62 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 Qb6 6. Ndb5 a6 7. Na4 Qd8 8. Be3 axb5 9. Bb6 bxa4 10. Bxd8 Nxd8
1960 Leipzig olm fin-B – Round 8 – Robatsch, Karl – 1/2-1/2 – Jimenez Zerquera, Eleazar – G110 1. Nf3 Nf6 2. c4 c5 3. Nc3 g6 4. d4 Bg7 5. dxc5 Qa5 6. Nd2 Qxc5 7. e4 a6 8. Nb3 Qc7 9. Bg5 d6 10. Be2 Nbd7
1960 Ljubljana – Round 1 – Puc, Stojan – 1-0 – Janosevic, Dragoljub – G13 1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. dxc5 Na6 5. Nc3 Nxc5 6. b4 Nce4 7. Nxe4 Nxe4 8. Qd4 Nf6 9. Bb2 Bg7 10. e3 O-O
1960 Madrid zt – Round 10 – Lehmann, Heinz – 1/2-1/2 – Walther, Edgar – G70 1. c4 c5 2. Nc3 Nf6 3. Nf3 g6 4. d4 Bg7 5. e4 cxd4 6. Nxd4 d6 7. Be2 Nc6 8. Nb3 O-O 9. Bg5 Be6 10. f3 Rc8
1961 CAN Ch – Round 1 – Macskasy, Elod – 1-0 – Joyner, Lionel – G2 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 Nc6 7. dxc5 Qa5 8. O-O Qxc5 9. Qa4 d6 10. Be3 Qh5
1961 Netanya – Round 11 – Kraidman, Yair – 0-1 – Czerniak, Magdalena – G69 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nc2 d5 6. cxd5 Qxd5 7. Qxd5 Nxd5 8. e4 Nc7 9. Nc3 Be6 10. Be3 Nd7
1961 Netanya – Round 2 – Fischer, Ernst – 1/2-1/2 – Durão, Joaquim Manuel – G9 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O Nc6 7. d5 Na5 8. Qd3 d6 9. Nc3 a6 10. e4 b5
1962 Candidats Tournament – Round 23 – Petrosian, Tigran V – 1-0 – Korchnoi, Viktor – G84 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 d5 6. Bg5 dxc4 7. e3 Qa5 8. Bxf6 exf6 9. Bxc4 Bb4 10. Rc1 a6
1962 CSR Ch – Round 1 – Alster, Ladislav – 0-1 – Kavalek, Lubomir – G1 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. dxc5 O-O 6. e4 Qa5 7. e5 Ne4 8. Bd2 Nxd2 9. Qxd2 Nc6 10. Nd5 Qd8
1962 Hastings II – Round 5 – Aabel Thomas Eapen – 1/2-1/2 – Cafferty, Bernard – G11 1. c4 g6 2. Nc3 Bg7 3. d4 c5 4. Nf3 Nf6 5. e4 cxd4 6. Nxd4 Nc6 7. Nxc6 bxc6 8. Be2 O-O 9. O-O Rb8 10. Rb1 d6
1963 Enschede zt – Round 1 – Philippe, Georges – 0-1 – Pomar Salamanca, Arturo – G2 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 d6 6. g3 g6 7. Bg2 Bd7 8. O-O Bg7 9. Nf3 O-O 10. Bf4 Nh5
1963 Halle zt – Round 1 – Minev, Nikolay N – 1-0 – Kavalek, Lubomir – G26 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 d5 7. dxc5 dxc4 8. Qa4 Na6 9. Qxc4 Be6 10. Qh4 Nxc5
1963 Hoogovens – Round 1 – Van Scheltinga, Theo – 0-1 – Van den Berg, Cees – G17 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Nxc6 bxc6 7. g3 Bg7 8. Bg2 O-O 9. O-O Rb8 10. Rb1 c5
1963 Hoogovens – Round 1 – Van Scheltinga, Theo – 1/2-1/2 – Donner, Jan-Hein – G16 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 Qa5+ 6. Nc3 Ne4 7. Bd2 Qb6 8. Nxe4 Qxd4 9. Qc2 e6 10. Bg2 d5
1963 JUG-URS – Round 1 – Korchnoi, Viktor – 1-0 – Parma, Bruno – G1 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 Nxd4 6. Qxd4 d6 7. Bg2 g6 8. b3 Bg7 9. Bb2 O-O 10. O-O Qc7
1963 Leningrad Ch – Round ? – Reshko, Aron – 1-0 – Klaman, Konstantin Mikhailovich – G2 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Bc5 6. Nc3 Nc6 7. e3 O-O 8. Be2 d6 9. O-O Bf5 10. a3 a5
1963 POL Ch 20th – Round 15 – Sliwa, Bogdan – 1-0 – Manasterski, Lutoslaw – G90 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 g6 6. e4 Bg7 7. Be2 O-O 8. O-O Na6 9. Be3 Nc5 10. f3 Re8
1963 Sweden – Round 1 – Ek, Hans – 1-0 – Dahl Schutt, Frederik – G4 1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 a6 6. e4 d6 7. Be2 e6 8. O-O Bd7 9. Nc2 Qc7 10. b3 b5
1963 UKR Ch – Round 12 – Lazarev, Efim M. – 1-0 – Berezhnoy, Viktor – G80 1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. d5 e6 5. Nc3 exd5 6. cxd5 Bg7 7. d6 O-O 8. Bg5 h6 9. Bh4 Nc6 10. e3 Qa5
1964 CAN-op – Round 9 – Marchand, Erich W – 1-0 – Sarosy, Zoltan L – G15 1. c4 Nf6 2. Nf3 c5 3. d4 cxd4 4. Nxd4 b6 5. Nc3 Bb7 6. f3 g6 7. e4 d6 8. Be2 Bg7 9. Be3 Nc6 10. O-O O-O
1964 FRG Ch qual 9th – Round 3 – Hund, Gerhard – 1/2-1/2 – Huebner, Robert – G9 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 d5 5. cxd5 Nxd5 6. Qa4+ Bd7 7. Qb3 Nb6 8. e4 g6 9. Be3 Bg7 10. a4 Nc6
1964 Hoogovens-B – Round 10 – Kramer, Hanspeter – 1/2-1/2 – Van Geet, Dirk Daniel – G34 1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 d5 5. cxd5 Nxd5 6. e4 Nb4 7. Qa4+ N8c6 8. Nxc6 Nxc6 9. Be3 e6 10. Nc3 Bd7
1964 It Detmold GER – Round 1 – Speer, Albrecht – 1/2-1/2 – Mulkers, Willy – G1 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 Be6 10. Qd2 Qa5
1964 Magdeburg ch DDR – Round 17 – Golz, Werner – 1-0 – Postler, Reinhard – G40 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. g3 Bg7 7. Bg2 O-O 8. Nc2 d6 9. O-O Be6 10. b3 a6
1964 Tel Aviv olm fin-A – Round 8 – Meza Pomar, Aroa – 1/2-1/2 – Petrosian, Tigran A. – G166 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. g3 Qa5+ 6. Nc3 Ne4 7. Nb5 Nxc3 8. Nxc3 g6 9. Bd2 Bg7 10. Nd5 Qd8
1965 Chacabuco – Round 1 – Chocron, Alberto – 0-1 – Foguelman, Alberto – G5 1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. Nf3 Bg7 5. e3 O-O 6. Be2 cxd4 7. Nxd4 Nc6 8. Nxc6 dxc6 9. Qxd8 Rxd8 10. e4 Nd7
1965 Pardubice – Round 12 – Opocensky, Karel – 1/2-1/2 – Cibulka, Vladimir – G78 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. g3 d6 6. Bg2 Bd7 7. Nc3 g6 8. O-O Bg7 9. Nc2 O-O 10. b3 Qc8
1965 Tallinn ch-URS – Round 1 – Korchnoi, Viktor – 1/2-1/2 – Suetin, Alexey S – G6 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nb5 a6 6. N5c3 e6 7. e4 b6 8. Bf4 d6 9. Be2 Bb7 10. O-O Be7
1965 Toronto CC Ch – Round 1 – Sarosy, Zoltan L – 1-0 – Zimmermann, Agnes – G1 1. c4 c5 2. Nf3 Nf6 3. d4 d6 4. dxc5 dxc5 5. Qxd8+ Kxd8 6. Ne5 Be6 7. b3 g5 8. Bxg5 Ne4 9. Bf4 Bg7 10. Na3 f6
1965 Toronto CC Ch – Round 3 – Sarosy, Zoltan L – 1-0 – Carleton, Thomas – G3 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qb6 6. e3 g6 7. Be2 Bg7 8. O-O O-O 9. b3 d5 10. cxd5 Nxd4
1966 Clare Benedict Cup 13th – Round 2 – Kottnauer, Cenek – 0-1 – Diez del Corral, Jesus – G7 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. g3 Bg7 5. Bg2 O-O 6. O-O Na6 7. Nc3 d6 8. h3 Bd7 9. Kh2 Qc8 10. b3 Bc6
1966 Corr – Round 1 – Bozic, Aleksandar – 1/2-1/2 – Pete, Josip – G3 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 g6 6. g3 d6 7. Bg2 Bd7 8. O-O Bg7 9. Nc2 O-O 10. b3 a6
1966 CSR Ch Int 1st – Round 7 – Kavalek, Lubomir – 1/2-1/2 – Pietzsch, Wolfgang – G36 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6 6. Nb3 e6 7. Bg5 Bb4 8. Bxf6 gxf6 9. Rc1 a5 10. a3 a4
1966 OWL Ch – Round 10 – Werner, Stephan – 1-0 – Meseberg, Willi – G39 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 b6 5. Nc3 Bb7 6. f3 g6 7. e4 d6 8. Be3 Nbd7 9. Be2 Bg7 10. O-O Rc8
1966 Panamerican – Round 1 – Abad Martinez, Diego – 1/2-1/2 – Schweber, Samuel – G14 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. e3 Bg7 5. Be2 b6 6. Nc3 Bb7 7. O-O O-O 8. Qc2 d6 9. b3 Nc6 10. a3 e5
1966 Sochi Chigorin Memorial 04th – Round 8 – Krogius, Nikolai V – 1-0 – Vladimirov, Boris T – G33 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. g3 Qb6 6. Nb3 Ne4 7. Be3 Qb4+ 8. N1d2 Nxd2 9. Bxd2 Qxc4 10. Bg2 e6
1966 Venice – Round 1 – Golombek, Harry – 1-0 – Fletzer – G1 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 d6 6. g3 Bd7 7. Bg2 Rc8 8. O-O Na5 9. b3 g6 10. Bb2 Qb6
1967 DEN Ch – Round 1 – Kolbak, Jens – 0-1 – Jakobsen, Ole – G1 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 d5 7. dxc5 Qa5 8. Qa4 Qxc5 9. cxd5 Nxd5 10. Nxd5 Qxd5
1967 Hastings6768 – Round 1 – Whiteley, Andrew Jonathan – 1/2-1/2 – Kaplan, Julio – G1 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nf3 d6 5. g3 Bg7 6. Bg2 O-O 7. O-O Na6 8. Nc3 Nc7 9. Nd2 Rb8 10. a4 b6
1967 It II Beverwijk NED – Round 13 – Van Scheltinga, Theo – 1/2-1/2 – Enevoldsen, Jens – G27 1. d4 Nf6 2. Nf3 c5 3. c4 g6 4. Nc3 cxd4 5. Nxd4 Bg7 6. e4 d6 7. Be2 O-O 8. Be3 Nbd7 9. O-O a6 10. Qd2 Nc5
1967 Moscow – Round 1 – Smyslov, Vladimir – 1/2-1/2 – Botvinnik, Mikhail – G1 1. c4 c5 2. Nf3 Nf6 3. Nc3 b6 4. d4 cxd4 5. Nxd4 Bb7 6. Bg5 d6 7. f3 Nbd7 8. e4 e6 9. Qd2 a6 10. Be2 Be7
1967 Palma de Mallorca – Round 12 – Medina-Garcia, Antonio – 1-0 – Matulovic, Milan – G87 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 b6 5. Nc3 Bb7 6. f3 d6 7. e4 e6 8. Be3 Nbd7 9. Be2 Be7 10. O-O O-O
1967 Skopje – Round 7 – Kholmov, Ratmir D – 1-0 – Danov, Kiril – G60 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 d6 6. e3 Bd7 7. Be2 g6 8. O-O Bg7 9. b3 O-O 10. Bb2 a6
1967 US Open – Round 6 – Saidy, Anthony – 1/2-1/2 – Benko, Pal – G17 1. c4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d5 6. Bg5 dxc4 7. e3 Bg7 8. Bxc4 O-O 9. O-O a6 10. a4 Bd7
1967 Venice Venice ITA – Round 9 – Pachman, Ludek – 1/2-1/2 – Kupper, Josef – G30 1. Nf3 c5 2. c4 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d5 6. Bg5 dxc4 7. e3 Bg7 8. Bxc4 O-O 9. O-O a6 10. Rc1 b5
1967 YUG Ch 22th – Round 5 – Ivkov, Borislav – 1/2-1/2 – Kovacevic, Vlatko – G20 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 d5 5. cxd5 Qa5+ 6. Nc3 Nxd5 7. Bd2 e5 8. Rc1 Nxc3 9. Rxc3 Qd8 10. Nb5 Nc6 1/2-1/2
1968 Churchill Memorial Open 16th – Round 1 – Doda, Zbigniew – 1-0 – Burton, Graham P – G2 1. Nf3 Nf6 2. d4 g6 3. c4 c5 4. d5 d6 5. Nc3 Bg7 6. e4 e6 7. dxe6 fxe6 8. e5 dxe5 9. Qxd8+ Kxd8 10. Nxe5 Ke7
1968 IBM-B – Round 11 – Van Scheltinga, Theo – 0-1 – Hartoch, Robert G – G37 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 d6 6. Bg5 Be6 7. e3 Qb6 8. Bxf6 gxf6 9. N1c3 a6 10. Qa4 Nd7
1968 IBM-B – Round 5 – Van Scheltinga, Theo – 1/2-1/2 – Gereben, Erno – G19 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Bg5 Qa5 7. Bxf6 gxf6 8. e3 Rg8 9. Nxc6 bxc6 10. Be2 Rb8
1968 Lugano ol (Men) fin-C – Round 13 – Weiss, Fernando – 0-1 – Zwaig, Arne – G29 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 cxd4 7. Nxd4 Qc7 8. Qd3 Nc6 9. Nxc6 bxc6 10. O-O Ba6
1968 Skopje/Ohrid – Round 11 – Gheorghiu, Florin – 1-0 – Matulovic, Milan – G87 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 Nxd4 6. Qxd4 g6 7. Bg5 Bg7 8. Nd5 O-O 9. Bxf6 exf6 10. Qd2 d6
1968 Skopje/Ohrid – Round 15 – Gheorghiu, Florin – 1/2-1/2 – ? – G124 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 b6 5. f3 Bb7 6. e4 d6 7. Nc3 e6 8. Be3 Be7 9. Be2 O-O 10. O-O Nbd7
1968 Toronto CAN Open – Round 9 – Fuster, Geza – 1/2-1/2 – Coudari, Camille – G19 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. g3 d6 6. Bg2 Bd7 7. O-O g6 8. b3 Bg7 9. Bb2 O-O 10. Nc3 Rb8
1968 YUG Ch 23th – Round 9 – Bertok, Mario Jr. – 1-0 – Dzajkovski, Matej – G44 1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Nb3 Bg7 7. e4 O-O 8. Be2 d6 9. Be3 Be6 10. f3 Nd7
1969 IBM – Round 8 – Portisch, Lajos – 1-0 – Donner, Jan-Hein – G30 1. c4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 d5 6. cxd5 Nxd5 7. Nxc6 bxc6 8. Bd2 Nxc3 9. Bxc3 Qxd1+ 10. Rxd1 f6
1969 Luhacovice – Round 7 – Smejkal, Jakub – 1-0 – Beni, Alfred – G59 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 d5 5. cxd5 Nxd5 6. g3 e5 7. Nb3 Bb4+ 8. Bd2 Nc6 9. Bg2 Be6 10. O-O O-O
1969 Raach zt – Round ? – Ivkov, Borislav – 1-0 – Hartoch, Robert G – G185 1. c4 Nf6 2. Nf3 g6 3. d4 c5 4. d5 d6 5. g3 Bg7 6. Bg2 O-O 7. O-O Na6 8. Nc3 Nc7 9. a4 Rb8 10. e4 Bg4
1969 Venice – Round 8 – Ivkov, Borislav – 1/2-1/2 – Benko, Pal – G46 1. c4 c5 2. Nf3 Nf6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 d5 6. cxd5 Nxd5 7. Ndb5 Nxc3 8. Qxd8+ Kxd8 9. Nxc3 Bg7 10. Bd2 Nc6
1969 YUG Ch 24th – Round 3 – Stupica, Janez – 0-1 – Planinec, Albin – G7 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 b6 5. Nc3 Bb7 6. f3 d6 7. e4 Nbd7 8. Be2 e6 9. O-O Be7 10. b3 O-O
1969 Zagreb – Round 11 – Cebalo, Miso – 0-1 – Lombardy, William J – G73 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 Bc5 6. Nd6+ Ke7 7. Nxc8+ Qxc8 8. Nc3 Qc6 9. e3 Bb4 10. Bd2 Na6
1970 Vinkovci – Round 12 – Hort, Vlastimil – 1/2-1/2 – Minic, Dragoljub – G28 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 b6 5. Nc3 Bb7 6. f3 d6 7. e4 e6 8. Be2 Be7 9. O-O O-O 10. Be3 Nbd7
1972 Skopje ol (Men) fin-A – Round 15 – Gheorghiu, Florin – 1/2-1/2 – Petrosian, Tigran L. – G128 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 g6 5. Nc3 d5 6. cxd5 Nxd5 7. Ndb5 Nxc3 8. Qxd8+ Kxd8 9. Nxc3 Bg7 10. Bd2 Nc6
1973 Leningrad Interzonal – Round 6 – Cuellar Alpire, Mariana – 0-1 – Karpov, Anatoly – G68 1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 Nc6 5. Nc3 Qb6 6. e3 e6 7. Be2 Be7 8. O-O O-O 9. b3 a6 10. Bb2 d6
1975 URS Team Ch – Round ? – Khasin, Alexander – 1/2-1/2 – Zheliandinov, Viktor – G530 1. Nf3 c5 2. c4 Nf6 3. d4 cxd4 4. Nxd4 b6 5. Nc3 Bb7 6. f3 Nc6 7. e4 e6 8. Be3 Be7 9. Be2 O-O 10. O-O Qb8
1975 URS Team Ch – Round 5 – Mikenas, Vladas – 0-1 – Kapengut, Albert – G97 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 a6 5. Nc3 d5 6. cxd5 Nxd5 7. Bd2 e5 8. Nf3 Nc6 9. Qa4 Nb6 10. Qc2 Be7
1975 URS Team Ch – Round 5 – Zamruk, Aleksandar – 1/2-1/2 – Yurtaev, Leonid – G98 1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. dxc5 Qa5 6. Bd2 Qxc5 7. Rc1 Nc6 8. e3 O-O 9. Be2 d6 10. O-O a6
20. European Teams 2015 – Round 7.4 – Vallejo Pons, Francisco – 1/2-1/2 – Leko, Peter – G307 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 Nc6 5. g3 e5 6. Nb5 Bb4+ 7. Bd2 a6 8. Bxb4 axb5 9. Bd6 Qa5+ 10. Nd2 Ne4
2026 Tata Steel India Blitz - Round 8.2 - Erigaisi Arjun - 0-1 - Praggnanandhaa R - G37 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 Nc6 5. g3 e5 6. Nb5 Bb4+ 7. N1c3 d6 8. a3 Bxc3+ 9. Nxc3 Be6 10. Bg2 Bxc4
4. London Chess Classic 2012 – Round 1.3 – Aronian, Levon – 0-1 – Nakamura, Hikaru – G3 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 e5 6. Nb5 Bb4+ 7. Bd2 a6 8. N5c3 d5 9. cxd5 Nxd5 10. Bg2 Be6
40. Olympiad Open 2012 – Round 1.13 – Kojima, Shinya – 0-1 – Dominguez Perez, Leinier – G17 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 e5 6. Nb5 Bb4+ 7. N1c3 d6 8. Bg2 a6 9. Na3 Bxc3+ 10. bxc3 O-O
42. Olympiad 2016 – Round 8.3 – Adhiban, B. – 1/2-1/2 – Howell, David W L – G581 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 Nc6 5. g3 e5 6. Nb5 Bb4+ 7. N1c3 d6 8. a3 Bxc3+ 9. Nxc3 Be6 10. Bg5 Bxc4
Amber-rapid 12th 2003 – Round 8 – Gelfand, Boris – 1/2-1/2 – Topalov, Veselin – G30 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 Qb6 6. Nb3 e6 7. Bg2 Ne5 8. Qc2 Qa6 9. c5 d5 10. cxd6 Bxd6
Amber-rapid 20th 2011 – Round 11 – Grischuk, Alexander – 1/2-1/2 – Gashimov, Vugar – G31 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. g3 d6 6. Bg2 Bd7 7. Nc3 g6 8. Nxc6 Bxc6 9. e4 Bg7 10. O-O Nd7
Chess Classics Giants 1998 – Round 4 – Kasparov, Garry – 1/2-1/2 – Kramnik, Vladimir – G3 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 Nc6 5. g3 g6 6. Bg2 Bg7 7. Nc3 O-O 8. Nc2 d6 9. O-O Be6 10. b3 Qd7
EU-Cup 24th 2008 – Round 5 – Roiz, Michael – 1/2-1/2 – Avrukh, Boris – G57 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 Qb6 6. Nb3 Ne5 7. c5 Qc6 8. Rg1 d5 9. cxd6 e6 10. Bg2 Qxd6
FIDE GP 2010 – Round 13 – Leko, Peter – 1-0 – Gashimov, Vugar – G78 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. g3 d6 6. Bg2 Bd7 7. Nc3 g6 8. O-O Bg7 9. Nc2 Ng4 10. Bd2 h5
GCT Blitz Paris 2021 – Round 6.1 – Rapport, Richard – 0-1 – Firouzja, Alireza – G25 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 d6 6. Bg2 Bd7 7. Nc3 g6 8. Nxc6 bxc6 9. e4 Bg7 10. Qe2 Bg4
Kosmos m 5' 1998 – Round 7 – Kasparov, Garry – 1/2-1/2 – Kramnik, Vladimir – G7 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 d6 6. Bg2 Bd7 7. Nc3 g6 8. Nxc6 bxc6 9. c5 d5 10. e4 dxe4
Moscow Tal Memorial 7. Blitz 2012 – Round 9 – Tomashevsky, Evgeny – 0-1 – Carlsen, Magnus – G29 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 h5 6. Bg2 h4 7. Nc3 g6 8. Bg5 hxg3 9. hxg3 Rxh1+ 10. Bxh1 Bg7
PCA/Intel-GP 1995 – Round 1 – Bacrot, Etienne – 1/2-1/2 – Kramnik, Vladimir – G2 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 d6 6. Bg2 Bd7 7. O-O g6 8. Nc3 Bg7 9. Nc2 O-O 10. b3 a6
RUS Ch Superfinal 2005 – Round 1 – Tomashevsky, Evgeny – 1/2-1/2 – Morozevich, Alexander – G6 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 Qb6 6. Nc2 h5 7. h3 Ne4 8. e3 Qa5+ 9. Nd2 Qf5 10. Nf3 Qa5+
Saint Louis Blitz 2021 – Round 5.2 – Rapport, Richard – 0-1 – Svidler, Peter – G21 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 e5 6. Nb5 Bb4+ 7. Bd2 a6 8. N5c3 d5 9. cxd5 Nxd5 10. Bg2 Be6
Sparkassen GM 2009 – Round 9 – Bacrot, Etienne – 1/2-1/2 – Leko, Peter – G25 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 Qb6 6. Nc2 e6 7. Bg2 Be7 8. O-O O-O 9. Nc3 d6 10. e4 a6
SuperUnited Blitz 2022 – Round 11.2 – Mamedyarov, Shakhriyar – 1/2-1/2 – Dominguez Perez, Leinier – G52 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 Nc6 5. g3 e5 6. Nb5 Bb4+ 7. N1c3 d6 8. a3 Bxc3+ 9. Nxc3 Be6 10. Bg5 Bxc4
SuperUnited Rapid 2022 – Round 7.1 – Mamedyarov, Shakhriyar – 0-1 – Vachier-Lagrave, Maxime – G31 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 e5 6. Nb5 Bb4+ 7. N1c3 d6 8. a3 Bxc3+ 9. Nxc3 Be6 10. Bg5 Bxc4
World Blitz 2015 – Round 3.36 – Lagno, Kateryna – 0-1 – Karjakin, Sergey – G167 1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 Nc6 5. g3 e5 6. Nb5 Bb4+ 7. N1c3 d6 8. a3 Bxc3+ 9. Nxc3 Be6 10. Bg2 Bxc4
World Blitz 2015 – Round 9.27 – Iturrizaga Bonelli, Eduardo – 0-1 – Moiseenko, Alexander – G545 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 e5 6. Nb5 d6 7. Bg2 Be6 8. N1a3 Be7 9. O-O a6 10. Nc3 O-O
World Blitz 2016 – Round 3.19 – Fressinet, Laurent – 0-1 – Vachier-Lagrave, Maxime – G105 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 e5 6. Nb5 Bb4+ 7. Bd2 a6 8. Bxb4 axb5 9. Bd6 Ne4 10. c5 Qa5+
World Blitz 2016 – Round 3.45 – Mchedlishvili, Mikheil – 0-1 – Quintiliano, Renato R. – G130 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 e5 6. Nb5 Bb4+ 7. N1c3 d6 8. Bg2 a6 9. Na3 Bxc3+ 10. bxc3 Be6
World Blitz Final 2012 – Round 10 – Kotsur, Pavel – 0-1 – Andreikin, Dmitry – G71 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 d6 6. Bg2 Bd7 7. O-O g6 8. Nc3 Bg7 9. Nc2 Qc8 10. Nd5 Ne5
World Blitz Final 2012 – Round 18 – Svidler, Peter – 1/2-1/2 – Andreikin, Dmitry – G133 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 d6 6. Bg2 Bd7 7. Nc3 g6 8. O-O Bg7 9. c5 dxc5 10. Nb3 O-O
World ChampionshipCandidates 2011 – Round 2.5 – Kramnik, Vladimir – 1/2-1/2 – Grischuk, Alexander – G10 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 e5 6. Nb5 Bb4+ 7. N1c3 d6 8. Bg2 a6 9. Na3 Bxc3+ 10. bxc3 O-O
XIX Ciudad 2006 – Round 1.3 – Bruzon Batista, Lazaro – 1/2-1/2 – Anand, Viswanathan – G6 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 Qb6 6. Nc2 e6 7. Bg2 d5 8. O-O Be7 9. cxd5 Nxd5 10. Ne3 Nxe3
XXVI SuperGM 2009 – Round 6 – Ivanchuk, Vasyl – 1/2-1/2 – Dominguez Perez, Leinier – G24 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 Qb6 6. Nc2 e6 7. Bg2 d5 8. O-O Be7 9. cxd5 Nxd5 10. Nc3 Nxc3

A31a — Symmetrical Two Knights

1.c4 c5 2.Nf3 Nf6 3.d4

Eval: [+0.07]

Les coups candidats

3…cxd4 — 70.3% (15817 parties) →

Ambassadeurs : Gheorghiu, Florin (39x), ? (35x), Rashkovsky, Nukhim N (31x), Raetsky, Alexander (29x), Hausner, Ivan (25x), Adamski, Jan (25x), Alburt, Lev (24x), Likavsky, Tomas (24x)

3…g6 — 16.1% (3620 parties) →

Ambassadeurs : Scarella, Enrique Alejandro (8x), Nemet, Ivan (6x), Likavsky, Tomas (6x), Ghitescu, Theodor (5x), Moody, David W (5x), Pham, Minh Hoang (5x), Poulin, Mathieu (5x), Yu, Zong Yang (5x)

3…e6 — 11.8% (2642 parties) →

Ambassadeurs : Spielmann, Rudolf (5x), Velimirovic, Dragoljub (5x), Heinig, Wolfram, Dr. (5x), Le Ba Thanh (5x), Gurevich, Dmitry (5x), Gutierrez Herrera, Jose Antonio (5x), Moody, David W (4x), Taylor, Gordon (4x)

3…d6 — 0.6% (133 parties)

Ambassadeurs : Della-Rossa, Anastasia (2x), Sarosy, Zoltan L (1x), Zimmermann, Agnes (1x), Bukic, Enver (1x), Ghinda, Mihail-Viorel (1x), Silman, Jeremy (1x), Crewse (1x), Radzikowska, Krystyna (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	3…cxd4	3…g6	3…e6	3…d6
<1800	703	53%	25%	18%	2%
1800-2200	8142	67%	19%	12%	1%
2200-2600	8170	80%	10%	9%	0%
2600+	256	92%	2%	6%	—

Évolution par décennie (% des parties)

Décennie	N parties	3…cxd4	3…g6	3…e6	3…d6
1920s	35	60%	3%	20%	—
1930s	56	82%	9%	5%	—
1940s	45	67%	7%	22%	—
1950s	171	64%	17%	16%	—
1960s	316	64%	21%	13%	0%
1970s	1120	69%	15%	14%	0%
1980s	1622	76%	11%	12%	0%
1990s	4374	69%	18%	11%	1%
2000s	6288	69%	16%	12%	1%
2010s	7323	70%	16%	12%	1%
2020s	1134	78%	12%	8%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
3…cxd4	70%	78%	▲ +7.9%
3…g6	16%	12%	▼ -4.3%
3…e6	12%	8%	▼ -3.5%
3…d6	1%	0%	-0.2%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 10 parties
Smyslov, Vladimir — 10 parties
Tal, Mikhail — 10 parties
Kasparov, Garry — 10 parties
Carlsen, Magnus — 8 parties
Kramnik, Vladimir — 7 parties
Karpov, Anatoly — 6 parties
Karpov, Aleksandr — 5 parties
Hou, Yifan — 5 parties
Ju, Wenjun — 5 parties
Euwe, Max — 4 parties
Anand, Viswanathan — 3 parties
Lasker, Emanuel — 1 partie
Botvinnik, Mikhail — 1 partie

Parties historiques

3…cxd4 — 70.3% (15817 parties)

1924 — Michell, Reginald vs Blake, Joseph — 1/2-1/2 — Southport ENG
1925 — Alekhine, Alexander vs Saemisch, Friedrich — 1-0 — Baden-Baden GER
1925 — Alekhine, Alexander vs Saemisch, Friedrich — 1-0 — Baden-Baden GER
1925 — De La Torre Huertas, Carlos vs Alekhine, Alexander — 1/2-1/2 — Baden-Baden GER
1926 — Antze, Oskar vs Von Gottschall, Hermann — 1/2-1/2 — Hannover GER

3…g6 — 16.1% (3620 parties)

1928 — Barlow, Henry Stephens vs Thomas, George Alan — 0-1 — Tenby
1933 — Denker, Arnold S vs Levenstein, Mark — 1-0 — New York, NY USA
1936 — Füster, Géza vs Opocensky, Karel — 1/2-1/2 — Vienna AUT
1936 — Tuern, Johannes vs Hromadka, Karel — 0-1 — Munich GER
1937 — Prikryl, Antonin vs Hromadka, Karel — 0-1 — Praag

3…e6 — 11.8% (2642 parties)

1926 — Przepiorka, Dawid vs Spielmann, Rudolf — 1-0 — Munich GER
1927 — Machate vs Spielmann, Rudolf — 0-1 — Magdeburg GER
1927 — Alekhine, Alexander vs Castillo MPerea AMuno L — 1-0 — Santiago de Chile
1927 — Alekhine, Alexander vs Allies, Chez-Ray — 1-0 — Santiago de Chile
1927 — Porath, Yosef vs Kraemer, Adolf — 1-0 — Gleiwitz

3…d6 — 0.6% (133 parties)

1965 — Sarosy, Zoltan L vs Zimmermann, Agnes — 1-0 — Toronto CAN
1971 — Bukic, Enver vs Ghinda, Mihail-Viorel — 1/2-1/2 — Bucharest ROU
1972 — Bonham, Reginald W vs Taeymans, Jef — 1-0 — Pula CRO
1975 — Klausen, Knud vs Maenhout, E — 1-0 — Bad Berleburg
1976 — Fesche, Svein Tore vs Winters, Harry — 1-0 — Kuortane

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