E26 — Nimzo-Indian: Saemisch, 5…c5 6.e3 Nc6 7.Bd3

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 Nc6 7.Bd3 ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Blancs s'appuient sur la paire de fous et la colonne semi-ouverte b.

Côté adverse. Le fou enfermé en c8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri, plusieurs pièces dorment encore (le cavalier g1, les fous c1 et f1 et les tours a1 et h1) et le pion isolé a3.

Plans. Nf3 (Développer Ng1) ; Bd2 (Développer Bc1) ; Bd3 (Développer Bf1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Attaque sur le roi adverse resté au centre.

Côté adverse. Le pion isolé a3, les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, le fou c8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...d5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	● c3, ● c4	—
Pions isolés	● a3	—
Arriérés	—	—
Chaînes	● f2→e3, c3→d4, e3→d4	● b6→c5, a7→b6, d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● d4 (3v1), ● e5 (1v0)	● d5 (2v1), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● b	—

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 2)
Paire de fous	● Oui	Non
Non développées	5 (● g1, ● c1, ● f1, ● a1, ● h1)	4 (● b8, ● c8, ● 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, ● e3-e4, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1939 Leningrad ch-URS – Round 2 – Kotov Lundqvist, Alex – 1-0 – Lisitsin, Georgy – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Qc2 d6 8. Nf3 Bd7 9. Bd3 Ba4 10. Qb2 Nbd7
1940 Moskou ch-URS – Round 1 – Rudakovsky, Iosif – 0-1 – Lisitsin, Georgy – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 d6 7. Bd3 Nc6 8. Ne2 b6 9. O-O Na5 10. e4 Qc7
1940 Moskou ch-URS – Round 1 – Rudakovsky, Iosif – 1/2-1/2 – Kotov Lundqvist, Alex – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 d6 10. f4 cxd4
1940 Moskou ch-URS – Round 1 – Stolberg, Mark Moiseevich – 0-1 – Lisitsin, Georgy – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 d6 10. f4 Nc6
1945 Moskou ch-URS – Round 1 – Kotov Lundqvist, Alex – 1/2-1/2 – Alatortsev, Vladimir N. – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 e5 10. O-O d6
1946 JUG Ch – Round 17 – Gligorić, Svetozar – 1/2-1/2 – Subaric, Mladen – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 d6 7. Bd3 Qe7 8. Ne2 O-O 9. e4 e5 10. f3 h6
1946 Moscow Ch – Round 1 – Kotov Lundqvist, Alex – 1/2-1/2 – Alatortsev, Vladimir N. – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 e5 9. e4 Qe7 10. O-O Nd7
1946 Treybal Memorial – Round 10 – Najdorf, Miguel – 1-0 – Rohacek, Ivan – G53 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Nc6 8. Nf3 Ba6 9. e4 cxd4 10. cxd4 d5
1946 Zagreb ch-YUG – Round 17 – Gligorić, Svetozar – 1/2-1/2 – Subaric, Mladen – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 d6 7. Bd3 Qe7 8. Ne2 O-O 9. e4 e5 10. f3 h6
1947 JUG Ch – Round 6 – Gligorić, Svetozar – 1-0 – Radojcic, Miroslav – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Qc2 d6 8. Bd3 Bd7 9. Ne2 Ba4 10. Qa2 e5
1947 Leningrad – Round 1 – Lisitsin, Georgy – 1-0 – Sokolsky, Alexey – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 d6 7. Bd3 O-O 8. Ne2 e5 9. O-O e4 10. Bb1 Be6
1947 Parnu – Round 1 – Lilienthal, Andor – 1-0 – Smyslov, Vladimir – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 b6 8. Ne2 d6 9. e4 Nd7 10. O-O e5
1948 Bad Gastein – Round 8 – Beni, Alfred – 0-1 – Mueller von Blumencron, Heiko – G59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 d6 7. Ne2 Nc6 8. Ng3 O-O 9. Bd3 b6 10. O-O Ba6
1948 Belgrade ch-YUG – Round 17 – Vukovic, Sava – 1/2-1/2 – Kulzinski, Nikolai – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 d6 8. Ne2 b6 9. e4 e5 10. O-O Na5
1948 Belgrade ch-YUG – Round 8 – Milic, Borislav – 0-1 – Kulzinski, Nikolai – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 d6 8. Ne2 b6 9. O-O Na5 10. e4 Qc7
1948 Buenos Aires – Round 1 – Najdorf, Miguel – 1-0 – Bolbochan, J. – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 b6 8. Nf3 O-O 9. e4 e5 10. Nxe5 cxd4
1948 GBR Ch 35th – Round 6 – Winter, William – 1/2-1/2 – Broadbent, Reginald – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 e5 9. d5 Ne7 10. Ng3 O-O
1948 Mar del Plata – Round 11 – Sanguinetti, Ricardo – 1/2-1/2 – Luckis, Marcos – G90 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 d6 7. Bd3 Nc6 8. Ne2 e5 9. d5 Na5 10. Ng3 b6
1948 Mar del Plata – Round 12 – Olivera, Alfredo – 1-0 – O'Kelly, Albéric de Galway – G99 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. f4 d6 8. Nf3 Qc7 9. Qc2 e5 10. d5 Na5
1948 Mar del Plata – Round 16 – Olivera, Alfredo – 0-1 – Luckis, Marcos – G130 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 e5 8. d5 Na5 9. e4 d6 10. Ne2 Nd7
1948 Mar del Plata – Round 17 – Sanguinetti, Ricardo – 1/2-1/2 – Abadia Castillo, Mateo – G142 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 d6 7. Nf3 O-O 8. Bd3 Nc6 9. e4 e5 10. d5 Ne7
1949 Budapest-Moscow – Round 10 – Kotov Lundqvist, Alex – 1-0 – Barcza, Gedeon – G74 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 d5 7. Nf3 O-O 8. Bb2 Qa5 9. Nd2 cxd4 10. cxd4 Nbd7
1949 Moskou ch-URS – Round 1 – Geller, Efim P – 0-1 – Sokolsky, Alexey – G52 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 b6 9. O-O e5 10. e4 Nd7
1949 Remedios de Escalada – Round 4 – Benko, Francisco – 0-1 – Bolbochan, Julio – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Qc2 d5 8. cxd5 exd5 9. Bd2 Ne4 10. Bd3 Nxd2
1949 URS Ch, semi final – Round 15 – Aratovsky, Nikolay – 0-1 – Sokolsky, Alexey – G106 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 b6 8. Ne2 d6 9. e4 e5 10. d5 Na5
1949 URS Ch, semi final – Round 7 – Furman, Slavomir – 1-0 – Arulaid, Alexander – G52 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 d6 7. Bd3 Nc6 8. Ne2 e5 9. O-O O-O 10. e4 Re8
1949 Venice – Round 3 – Gligorić, Svetozar – 1/2-1/2 – Mueller, Hans – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 d6 9. Ne2 Nc6 10. O-O Qe7
1950 BCF Ch 37th – Round 1 – Penrose, Jonathan – 1-0 – Broadbent, Reginald – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 e5 8. Ne2 d6 9. O-O O-O 10. Ng3 Re8
1950 Bled – Round 6 – Najdorf, Miguel – 1-0 – Matanovic, Aleksandar – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. Nf3 O-O 9. Qc2 d5 10. cxd5 exd5
1950 Candidats Playoff 1pl – Round 5 – Bronstein, David I – 1/2-1/2 – Boleslavsky, Isaac – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Nf3 Nxd2 9. Qxd2 O-O 10. Bd3 d6
1950 Candidats Tournament – Round 11 – Bronstein, David I – 1-0 – Smyslov, Vladimir – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 e5 8. Ne2 d6 9. e4 Nh5 10. O-O g5
1950 Candidats Tournament – Round 12 – Szabo, Laszlo – 0-1 – Keres, Paul Petrovich – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 e5 8. Ne2 d6 9. O-O Qe7 10. e4 Nd7
1950 Corr – Round 1 – Purdy, Cecil J S – 1-0 – Napolitano, Matteo – G5 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 e5 8. Ne2 d6 9. e4 Nh5 10. O-O g5
1950 Corr Wch1 – Round 1 – Van't Veer, P. – 0-1 – Barda, Olaf – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 d6 8. f3 Qc7 9. Bd3 Nc6 10. Ne2 b6
1950 Dubrovnik olm – Round 1 – Mastichiadis, Fotis – 0-1 – O'Kelly, Albéric de Galway – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8
1950 Dubrovnik olm – Round 10 – Castillo Bermudez, Manuel – 0-1 – O'Kelly de Galway, Alberic – G143 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8
1950 Dubrovnik olm – Round 12 – Mastichiadis, Fotis – 0-1 – Euwe, Max – G172 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8
1950 Dubrovnik olm – Round 8 – Gligorić, Svetozar – 1/2-1/2 – Beni, Alfred – G104 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. O-O d6
1950 Mar del Plata – Round 13 – Sanguinetti, Ricardo – 1/2-1/2 – Marini, Liam – G107 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 d6 10. Nf3 Nc6
1950 Moskou ch-URS – Round 1 – Borisenko, Georgy K – 1-0 – Sokolsky, Alexey – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 d6 10. f4 Nc6
1950 Schiavno Zdroj – Round 1 – Simagin, Vladimir – 1/2-1/2 – Foltys, Jan – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 d6 10. O-O Nd7
1951 BCF Ch 38th – Round 3.4 – Klein, Ernst – 1/2-1/2 – Broadbent, Reginald – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 e5 8. Ne2 b6 9. d5 Na5 10. e4 d6
1951 Mar del Plata zt – Round 16 – Bianco Esposito, Antonio – 1/2-1/2 – Bolbochan, J. – G156 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 e5 8. Ne2 d6 9. f3 Qc7 10. O-O b6
1951 Mar del Plata zt – Round 22 – Bianco Esposito, Antonio – 1-0 – De Souza Mendes, Joao – G222 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 Nc6 10. f4 O-O
1951 Marianske Lazne zt – Round 1 – Stoltz, Gabriel – 0-1 – Pachman, Ludek – G6 1. c4 e6 2. Nc3 Nf6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. a4 d6
1951 Moskou ch-URS – Round 1 – Botvinnik, Mikhail – 1/2-1/2 – Keres, Paul Petrovich – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 b6 8. e4 d6 9. Ne2 e5 10. O-O Nd7
1951 Moskou ch-URS – Round 1 – Geller, Efim P – 1-0 – Lipnitsky, Isaac – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 e5 9. O-O Nd7 10. e4 b6
1951 Paignton Premier – Round 1 – Goodman, John Bertram – 0-1 – Barden, Leonard – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 O-O 9. e4 Ne8 10. Be3 d6
1951 Paignton Premier – Round 5 – Donner, Jan-Hein – 0-1 – Euwe, Max – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. Nf3 Ne4 9. O-O f5 10. Bb2 O-O
1951 Schlechter Memorial – Round ? – Steiner, Herman – 1/2-1/2 – Mueller, Hans – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 d6 9. Ne2 Nc6 10. e4 Nd7
1951 URS Ch sf – Round 2 – Kopaev, Nikolay A – 0-1 – Bonch-Osmolovsky, Mikhail – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 b6 8. Ne2 d6 9. O-O Qd7 10. Nf4 Ba6
1951 Vienna 5152 – Round 6 – Kovacs, MG. – 1-0 – Matanovic, Aleksandar – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8
1951 World chJ U20 1st – Round 10.6 – Selzer, Edgar – 0-1 – Ivkov, Borislav – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 O-O 9. Ne2 Nc6 10. e4 Ne8
1951 YUG Ch 6th – Round 11 – Simonovic, Borko – 0-1 – Puc, Stojan – G60 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 Qa5 8. Bd2 Qc7 9. Ne2 e5 10. O-O O-O
1951 YUG Ch 6th – Round 6 – Udovcic, Mijo – 0-1 – Puc, Stojan – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 O-O 8. Bd3 d6 9. f4 e5 10. fxe5 dxe5
1952 Budapest – Round 15 – Kottnauer, Cenek – 1-0 – Sliwa, Bogdan – G133 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 b6 8. e4 d6 9. Ne2 Qc7 10. O-O cxd4
1952 Buenos Aires – Round 6 – Huguet, Horacio E – 1-0 – Luckis, Marcos – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 Nc6 10. f4 d6
1952 GBR-NLD m – Round 1.10 – Parr, Frank – 1/2-1/2 – Stumpers, Louis – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 d6 7. Bd3 Nc6 8. f4 e5 9. d5 e4 10. Be2 Na5
1952 Helsinki olm – Round 1 – Doerner, Charles – 0-1 – German, Eugenio – G65 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. f3 O-O 8. e4 Ne8 9. Be3 d6 10. Ne2 Nc6
1952 Helsinki olm – Round 1 – Enevoldsen, Harald – 1/2-1/2 – Hooper, David – G64 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. O-O Rc8
1952 Helsinki olm – Round 1 – Szabo, Ladislav – 1-0 – German, Eugenio – G8 1. c4 e6 2. d4 Nf6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8
1952 Helsinki olm – Round 1 – Szabo, Ladislav – 1/2-1/2 – Teschner, Rudolf – G11 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 e5 8. Ne2 e4 9. Bb1 O-O 10. Ng3 Re8
1952 Hollywood – Round 1 – Pafnutieff, Vladimir – 0-1 – Gligorić, Svetozar – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. O-O Ba6
1952 Hungary Ch – Round 11 – Koberl, Ferenc – 1/2-1/2 – Pogats, Jozsef Jr. – G62 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. O-O Rc8
1952 Moscow Ch – Round 7 – Averbakh, Yuri L – 0-1 – Estrin, Yakov – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Nf3 d6 8. Nd2 O-O 9. Be2 b6 10. O-O Ba6
1952 POL-ch10 – Round 10 – Boleslawski Zbigniew – 1-0 – Gawlikowski, Stanislaw – G70 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 d6 9. Ne2 Nc6 10. O-O O-O
1952 POL-ch10 – Round 10 – Grynfeld, Izaak – 1-0 – Gadalinski, Jan – G71 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 e5 9. O-O O-O 10. e4 Ne8
1952 POL-ch10 – Round 17 – Gawlikowski, Stanislaw – 0-1 – Gadalinski, Jan – G123 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 e5 8. Ne2 d6 9. Bb1 O-O 10. O-O Qe7
1952 POL-ch10 – Round 6 – Boleslawski Zbigniew – 0-1 – Gadalinski, Jan – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 e5 8. d5 e4 9. dxc6 exd3 10. Qxd3 dxc6
1952 Rio de Janeiro – Round 9 – Rabar, Braslav – 1-0 – Szentkiralyi Toth, Vince – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8
1952 URS ch sf – Round 3 – Koblencs, Alexander – 1/2-1/2 – Kan, Ilya A – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Nc6 8. Ne2 Ba6 9. e4 O-O 10. Bg5 h6
1953 Bucharest – Round 11 – Szabo, Ladislav – 0-1 – Sliwa, Bogdan – G104 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 Rc8 10. e4 d6
1953 Bucharest – Round 15 – Spassky, Boris Vasily – 1/2-1/2 – O'Kelly de Galway, Alberic – G142 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8
1953 Budapest HUN – Round ? – Sallay, Roland – 1-0 – Flesch, Janos – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. O-O Na5
1953 Mar del Plata – Round 7 – Gligoric, Sofija – 1-0 – Bolbochan, J. – G82 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 b6 8. Ne2 Na5 9. e4 Ba6 10. e5 Ng8
1953 URS chT sf – Round ? – Antoshin, Vladimir S – 1-0 – Poliak, Denis – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 O-O 9. e4 Ne8 10. d5 f5
1953 URS-training – Round 4 – Keres, Paul – 1-0 – Ragozin, Viacheslav – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 b6 9. O-O Bb7 10. Ng3 Qe7
1953 Zagreb – Round 3 – Preinfalk, Anton – 0-1 – Puc, Stojan – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 e5 9. f3 Ne7 10. d5 O-O
1954 Amsterdam olm – Round 1 – Kelly, Terry – 0-1 – Andersen, Borge – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. Nf3 O-O 9. O-O Be4 10. Ng5 Bxd3
1954 DDR Ch 05th – Round 12 – Kuhn, Paul – 1-0 – Fuchs, Reinhart – G62 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 Na5 10. e4 d6
1954 Gorki ch22-SU sf – Round 12 – Vladimirov, Boris T – 0-1 – Simagin, Vladimir – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 Nc6 10. Nf3 cxd4
1954 Olympiad final A – Round 1 – Kotov Lundqvist, Alex – 1-0 – Arnlaugsson, Gudmundur – G9 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 b6 8. e4 d6 9. Ne2 Bb7 10. O-O Qd7
1954 Olympiad final A – Round 1 – Milev, Zdravko – 0-1 – Olafsson, Fridrik – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8
1954 Olympiad final B – Round 1 – Beni, Alfred – 0-1 – O'Kelly, Albéric de Galway – G3 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 Rc8 10. e4 Na5
1954 Olympiad final B – Round 1 – Cs. Kovacs, Laszlo – 1-0 – Cala, Ugo – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 d6 8. Ne2 e5 9. O-O O-O 10. f3 b6
1954 Olympiad final B – Round 12 – Cs. Kovacs, Laszlo – 1/2-1/2 – Noradounghian, Georges – G74 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 Nc6 9. e4 d6 10. Ne2 e5
1954 Olympiad prel IV – Round 1 – Neu, Alexandre – 0-1 – O'Kelly, Albéric de Galway – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. Nf3 d6 9. O-O Nc6 10. e4 e5
1954 Prague zt – Round 18 – Balanel, Ion – 0-1 – Olafsson, Fridrik – G101 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 Nc6 9. e4 cxd4 10. cxd4 Nxd4
1954 URS Team Ch – Round 6 – Chistiakov, Alexander – 1-0 – Lisitsin, Georgy – G98 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 e5 9. O-O Qc7 10. e4 b6
1955 Budapest – Round 1 – Somogyi, Istvan – 0-1 – Barczay, Laszlo – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 O-O 9. Ne2 d6 10. O-O Nc6
1955 Budapest – Round 7 – Petrosian, Tigran A. – 1-0 – Benko, Pal – G91 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 b6 8. e4 e5 9. d5 Na5 10. Nf3 Qe7
1955 CSR Ch Army – Round 18 – Alster, Ladislav – 1-0 – Filip, Frantisek – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 d5 7. cxd5 exd5 8. Bd3 c4 9. Bc2 O-O 10. Ne2 Nc6
1955 Hastings5556 – Round 6 – Diez del Corral, Jesus – 0-1 – Persitz, Raaphi – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. Nf3 d6 9. O-O Qd7 10. Re1 Nc6
1955 Long Beach US-open – Round 10 – Dake, Arthur William – 1/2-1/2 – Turner, Abe J – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 O-O 9. Ne2 Nc6 10. e4 Ne8
1955 Moskou ch-URS – Round 1 – Botvinnik, Mikhail – 1/2-1/2 – Lisitsin, Georgy – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 b6 9. e4 Qd7 10. Bc2 Ba6
1955 Moskou ch-URS – Round 1 – Geller, Efim P – 0-1 – Spassky, Boris V. – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 b6 9. O-O Qd7 10. e4 Ba6
1955 Moskou ch-URS – Round 1 – Geller, Efim P – 1-0 – Lisitsin, Georgy – G48 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 b6 9. O-O Qd7 10. e4 Ba6
1955 Poland ch13 – Round 5 – Kwapisz, Stanislaw – 1-0 – Sliwa, Bogdan – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 Na5 10. e4 Ba6
1955 Poland ch13 – Round 6 – Doda, Zbigniew – 0-1 – Solecki, Zbigniew – G21 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 b6 8. Ne2 d6 9. e4 Qd7 10. O-O Ba6
1955 URS Ch sf – Round 1 – Cherepkov, Alexander V – 1/2-1/2 – Kholmov, Ratmir D – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8
1955 URS Ch sf – Round 1 – Vladimirov, Boris T – 0-1 – Byvshev, Vasily – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 e5 8. Ne2 d6 9. e4 h6 10. O-O g5
1955 URS Ch sf – Round 1 – Vladimirov, Boris T – 0-1 – Kholmov, Ratmir D – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8
1956 BCF Major Open – Round 4 – Richards, DJ. – 0-1 – Cafferty, Bernard – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Bb7 8. Ng3 O-O 9. Bd3 Nc6 10. e4 Ne8
1956 BCF Major Open – Round 9 – Banda Howard – 0-1 – Cafferty, Bernard – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8
1956 Candidats Tournament – Round 2 – Geller, Efim P – 0-1 – Smyslov, Vladimir – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Nc6 8. Ng3 O-O 9. Bd3 Ba6 10. e4 Ne8
1956 ITA-ch18 Rovigo – Round 7 – Venni, Tito – 1/2-1/2 – Porreca, Giorgio – G21 1. d4 e6 2. c4 Bb4+ 3. Nc3 Nf6 4. a3 Bxc3+ 5. bxc3 c5 6. e3 d6 7. Nf3 O-O 8. Bd3 Nc6 9. e4 e5 10. d5 Ne7
1956 JUG-URS – Round ? – Averbakh, Yuri L – 1-0 – Rabar, Braslav – G23 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 O-O 8. Ng3 Nc6 9. e4 Ne8 10. Be3 d6
1956 JUG-URS – Round 1 – Geller, Efim P – 1-0 – Djurasevic, Bozidar – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Nc6 8. Ng3 O-O 9. Bd3 Ba6 10. e4 Ne8
1956 Leningrad ch-URS – Round 8 – Polugaevsky, Lev – 0-1 – Averbakh, Yuri L – G132 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. O-O Na5
1957 Corr – Round ? – Napolitano, Mario – 0-1 – Batik, Frantisek – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Nf3 d6 8. Qc2 e5 9. d5 Ne7 10. Bd3 O-O
1957 DDR Ch 08th – Round 13 – Golz, Werner – 1/2-1/2 – Braun, Gottfried, Dr. – G81 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Ne2 Nc6 8. Ng3 O-O 9. e4 Ne8 10. Be3 Ba6
1957 EU Team Ch – Round 5 – Averbakh, Yuri L – 1/2-1/2 – Jaeger, Willy – G41 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 d6 7. Bd3 e5 8. Ne2 Nc6 9. O-O O-O 10. Ng3 Qe7
1957 Minsk zt – Round 16 – Uusi, Gunnar – 1/2-1/2 – Barshauskas, Vitautas – G110 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8
1957 Reykjavik ol stud tt – Round ? – Kolarov, Atanas S. – 1/2-1/2 – Persitz, Raaphi – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 d6 10. e4 Qd7
1957 Rio de Janeiro zt – Round 1 – Rubio Aguado, Fernando – 1/2-1/2 – Najdorf, Miguel – G12 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Nc6 8. Nf3 d6 9. e4 e5 10. h3 Qc7
1957 URS Ch, semi final – Round 4 – Vladimirov, Boris T – 0-1 – Gipslis, Aivars – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 O-O 8. Ng3 Ba6 9. e4 d5 10. Bg5 h6
1958 Argentina – Round 2 – Garcia Rodriguez, Raimundo – 0-1 – Shocron, Ruben – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 d6 7. Bd3 Nc6 8. Ne2 b6 9. O-O Qd7 10. e4 Ba6
1958 Kiev Ch – Round 9 – Shianovsky, Vladislav I – 1-0 – Ousatchi, Mark – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 e5 8. Ne2 d5 9. cxd5 Qxd5 10. e4 Qd8
1959 FRG Ch Nuerenberg GER – Round 7 – Lehmann, Heinz – 1-0 – Weise, Dieter – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Ba6 8. Ng3 Qc7 9. e4 d6 10. Bf4 cxd4
1960 Leipzig olm fin-B – Round 7 – Toran Albero, Roman – 1-0 – De Lange, Daan – G86 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 d5 7. cxd5 Nxd5 8. Bd2 cxd4 9. cxd4 Nc6 10. Nf3 O-O
1961 Baku ch-URS – Round 10 – Vladimirov, Boris T – 1/2-1/2 – Bronstein, David I – G97 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 d6 10. Nf3 Nd7
1961 Baku ch-URS – Round 19 – Vladimirov, Boris T – 0-1 – Shamkovich, Leonid – G173 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Nc6 8. Ng3 d6 9. e4 e5 10. dxc5 dxc5
1961 Bled – Round 10 – Gligorić, Svetozar – 1-0 – Ivkov, Borislav – G93 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 b6 8. Nf3 d6 9. e4 e5 10. d5 Na5
1961 Bled – Round 12 – Germek, Milan – 1/2-1/2 – Pachman, Ludek – G111 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 O-O 8. Ng3 Nc6 9. Bd3 Ba6 10. e4 Ne8
1961 CSR Ch – Round 5 – Trapl, Jindrich – 1-0 – Marsalek, Josef – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 Rc8 10. e4 d6
1961 Graz 1st – Round 5 – Robatsch, Karl – 0-1 – Pachman, Ludek – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 O-O 8. Ng3 Nc6 9. Bd3 Ba6 10. O-O Na5
1961 Oberhausen etc – Round 3 – Trapl, Jindrich – 1-0 – Tolush, Alexander – G83 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Ba6 8. Ng3 Nc6 9. e4 O-O 10. Bg5 h6
1961 Palanga Baltic Ch – Round ? – Buslaev, Aleksander – 1/2-1/2 – Vistaneckis, Isakas – G6 1. c4 e6 2. d4 Nf6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8
1962 LAT Ch – Round ? – Mileika, Janis – 0-1 – Gipslis, Aivars – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 O-O 9. Ne2 Nc6 10. e4 Ne8
1962 Marianske Lazne – Round 6 – Kluger, Gyula – 1/2-1/2 – Djurasevic, Bozidar – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 O-O 8. Ng3 d5 9. cxd5 exd5 10. Bd3 Ba6
1962 New York m – Round 8 – Lombardy, William J – 0-1 – Evans, Larry M – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Ne2 cxd4 8. exd4 O-O 9. Bd2 Ne4 10. Ng3 Nxd2
1962 Sarajevo – Round 11 – Gligorić, Svetozar – 1-0 – Osmanagic, Dusan – G58 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Ne2 d6 8. Ng3 e5 9. d5 Na5 10. e4 b6
1962 Varna olm – Round 5 – Johannessen, Svein – 1-0 – Filipov, Filip BUL2 – G217 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Ne2 e5 8. Ng3 O-O 9. d5 Na5 10. e4 Ne8
1962 Varna olm – Round 7 – Colon Cortegoso, Marta – 1/2-1/2 – Gunsberger, Alexander – G289 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Nf3 O-O 8. Bd3 Bb7 9. O-O Ne4 10. Bxe4 Bxe4
1963 Capablanca Memorial – Round 20 – Calero, Ivan – 0-1 – Ivkov, Borislav – G186 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. a4 Nc6 8. Ba3 d6 9. Nf3 O-O 10. Bd3 Ba6
1964 Hoogovens-B – Round 4 – Muller, Hans P – 1/2-1/2 – Kieninger, Georg – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Ba6 8. Ng3 Qc7 9. e4 cxd4 10. cxd4 Bxc4
1964 Magdeburg – Round 12 – Wehnert, Lutz – 1/2-1/2 – Neukirch, Detlef – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 d6 7. Ne2 e5 8. Ng3 Nc6 9. Bd3 Qe7 10. O-O h5
1964 URS – Round ? – Donchenko, Anatoly – 1-0 – Liberzon, Vladimir M – G5 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Ne2 O-O 8. Ng3 Nc6 9. Bd3 Ba6 10. Qe2 Qc7
1964 URS – Round ? – Vladimirov, Boris T – 1-0 – Estrin, Boris – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Ne2 O-O 8. Ng3 Bb7 9. Bd3 Nc6 10. O-O Ne8
1964 Worcester US Open – Round 10 – Meyer, John – 1/2-1/2 – Zalys, Ignas – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 d6 7. Bd3 Nc6 8. Ne2 e5 9. Qc2 O-O 10. O-O Qe7
1965 BRA Ch 32th – Round 11 – Cotta, Eduardo – 1-0 – Alves, Francisco H B Severino – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 O-O 9. e4 d6 10. Bg5 Nbd7
1965 IBM I – Round 7 – Szabo, Ladislav – 1-0 – Zuidema, Coen – G10 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 O-O 9. e4 Ne8 10. Be3 Nc6
1965 It II – Round 2 – Piket, Joop – 1-0 – Kramer, Haije – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 Nc6 10. Nf3 d6
1967 Buenos Aires VC Ch – Round 9 – Morgado, Juan Sebastian – 0-1 – Castelli, Raul A – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 d6 10. O-O Qc7
1968 CCOL5 fin 6568 – Round ? – Parr, Frank – 0-1 – Sauermann, Wilfried – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Bb7 8. f3 O-O 9. Ng3 Nc6 10. Be2 Na5
1968 Riga – Round 1 – Nisman, Boris I – 0-1 – Karpov, Aleksandr – G3 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Ne2 b6 8. Ng3 Ba6 9. Bd3 Na5 10. Qe2 d6
1969 Corr – Round ? – Nielsen, Axel – 1/2-1/2 – Pedersen, Svend – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 Rc8 10. e4 Na5

E26 — Nc6 7.Bd3 - Saemisch, 5…c5 6.e3 Nc6 7.Bd3

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 Nc6 7.Bd3

Eval: [-0.24]

Les coups candidats

7…Bd3 — 72.9% (509 parties)

Ambassadeurs : Mastichiadis, Fotis (5x), O'Kelly, Albéric de Galway (4x), Euwe, Max (4x), Najdorf, Miguel (3x), Gligorić, Svetozar (3x), Beni, Alfred (3x), Szabo, Ladislav (3x), Averbakh, Yuri L (3x)

7…Ne2 — 16.6% (116 parties)

Ambassadeurs : Vladimirov, Boris T (5x), Geller, Efim P. (4x), Pachman, Ludek (3x), Averbakh, Yuri L (2x), Shamkovich, Leonid (2x), Shamkovich (2x), Djurasevic, Bozidar (2x), Smyslov, Vasily (2x)

7…Nf3 — 6.4% (45 parties)

Ambassadeurs : Wallis, Philip N (2x), Ilinsky, Yury (2x), Earnest Junior (1x), Loftsson, Julius H (1x), Colon Cortegoso, Marta (1x), Gunsberger, Alexander (1x), Spassky, Boris Vasily (1x), Bykov, Valery (1x)

7…f3 — 1.1% (8 parties)

Ambassadeurs : Gandia Vano, Erik (1x), Buerger, E. (1x), Doerner, Charles (1x), German, Eugenio (1x), Ntailanis, N. (1x), Georghiou, Antonis (1x), Merino Araguas, Jose Javier (1x), Esquivias Gomez, Francisco Javier (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…Bd3	7…Ne2	7…Nf3	7…f3
<1800	15	67%	7%	20%	7%
1800-2200	157	76%	9%	8%	1%
2200-2600	199	83%	14%	2%	1%
2600+	4	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7…Bd3	7…Ne2	7…Nf3	7…f3
1940s	4	100%	—	—	—
1950s	99	79%	17%	2%	1%
1960s	84	40%	44%	12%	1%
1970s	42	45%	48%	5%	—
1980s	52	63%	25%	4%	2%
1990s	85	75%	15%	5%	—
2000s	124	84%	6%	6%	2%
2010s	131	81%	4%	11%	1%
2020s	77	87%	4%	4%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…Bd3	81%	87%	▲ +6.1%
7…Ne2	4%	4%	+0.1%
7…Nf3	11%	4%	▼ -7.6%
7…f3	1%	3%	▲ +1.8%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 4 parties
Botvinnik, Mikhail — 3 parties
Smyslov, Vladimir — 1 partie

Parties historiques

7…Bd3 — 72.9% (509 parties)

1945 — Kotov Lundqvist, Alex vs Alatortsev, Vladimir N. — 1/2-1/2 — Moskou ch-URS
1946 — Najdorf, Miguel vs Rohacek, Ivan — 1-0 — Prague CZE
1949 — Gligorić, Svetozar vs Mueller, Hans — 1/2-1/2 — Venice ITA
1949 — Beni, Alfred vs Bhend, Edwin — 1/2-1/2 — Arbon
1950 — Mastichiadis, Fotis vs Euwe, Max — 0-1 — Dubrovnik CRO

7…Ne2 — 16.6% (116 parties)

1952 — Huguet, Horacio E vs Cruz Garibaldi, Milton Esteban — 1-0 — Buenos Aires ARG
1956 — Averbakh, Yuri L vs Rabar, Braslav — 1-0 — Belgrade SRB
1956 — Geller, Efim P. vs Smyslov, Vasily — 0-1 — Amsterdam NED
1956 — Geller, Efim P. vs Smyslov, Vasily — 0-1 — Amsterdam ct
1956 — Geller, Efim P. vs Smyslov, Vladimir — 0-1 — Amsterdam NED

7…Nf3 — 6.4% (45 parties)

1950 — Spassky, Boris Vasily vs Bykov, Valery — 1-0 — Leningrad RUS
1959 — Wallis, Philip N vs Cafferty, Bernard — 1/2-1/2 — ?
1960 — Wallis, Philip N vs Wilkinson, Bernard Landon — 1-0 — Coventry ENG
1961 — Ilinsky, Yury vs Seoev, Robert — 1-0 — Novgorod RUS
1961 — Ilinsky, Yury vs Rosenfeld, Isai K — 0-1 — Novgorod RUS

7…f3 — 1.1% (8 parties)

1952 — Doerner, Charles vs German, Eugenio — 0-1 — Helsinki olm
1968 — Gandia Vano, Erik vs Buerger, E. — 0-1 — Illinois Open
1988 — Ntailanis, N. vs Georghiou, Antonis — 1/2-1/2 — ?
2007 — Fuertes Guevara, Francisco Javier vs Alzola, Enrique — 1-0 — ICCF
2008 — Merino Araguas, Jose Javier vs Esquivias Gomez, Francisco Javier — 1/2-1/2 — Madrid ESP

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