E55a — Nimzo-Indian: Main Line, Bronstein Variation

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O dxc4 8.Bxc4 Nbd7 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur une majorité de pions à l'centre (2 contre 1), les cases fortes b5 et e5, un fou actif en c4, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Le fou enfermé en c8.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. Bd2 (Développer Bc1) ; h3 (Empêcher ...Bg4) ; Tour sur colonne c.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), un avant-poste en d5, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Le fou enfermé en c1.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. b6+Bb7 (PRIORITÉ: libérer le Bc8 (b6+Bb7, ...Bg4, ...Bf5)) ; ...Bg4 (Clouer Nf3) ; ...e5 (Rupture) ; Tour sur colonne d.

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● f7→e6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● e5 (2v1)	—
Cases faibles	—	—
Centre	● d4 (3v1), ● e5 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bc4	● Bc4 Actif (mob. 7)
Bb4		● Bb4 Ok (mob. 3)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	2 (c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d4-d5, ● e3-e4	● …e6-e5

Partie
1948 Moskou ch-URS – Round 7 – Ilivitsky, Georgy A – 1-0 – Lisitsin, Georgy – G65 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 dxc4 7. Bxc4 c5 8. O-O Nbd7 9. Qe2 Qe7 10. e4 cxd4
1953 Candidats Tournament – Round 4 – Keres, Paul Petrovich – 1/2-1/2 – Euwe, Max – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nbd7 8. a3 dxc4 9. Bxc4 cxd4 10. exd4 Be7
1953 Mar del Plata – Round 14 – Bolbochan, J. – 1/2-1/2 – Rossetto, Hector – G142 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 dxc4 7. Bxc4 a6 8. O-O c5 9. Qe2 Nbd7 10. Rd1 b5
1953 Wch U20 qual – Round 7 – Sherwin, James T – 1-0 – Ivkov, Borislav – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nbd7 8. a3 dxc4 9. Bxc4 cxd4 10. exd4 Be7
1954 Olympiad final A – Round 11 – Gligoric, Sofija – 1/2-1/2 – Filip, Marius Liviu – G113 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nbd7 8. a3 cxd4 9. exd4 dxc4 10. Bxc4 Bxc3
1955 Buenos Aires CA – Round 2 – Pachman, Ludek – 0-1 – Alvarez Martin, Pedro – G17 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 c5 5. e3 O-O 6. Bd3 d5 7. O-O Nbd7 8. a3 cxd4 9. exd4 dxc4 10. Bxc4 Bxc3
1955 Zagreb – Round 6 – Minev, Nikolay N – 1/2-1/2 – Karaklajic, Nikola – G70 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. Rd1 Qc7
1956 Alekhine Memorial – Round ? – Gligorić, Svetozar – 1-0 – Unzicker, Wolfgang – G93 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. d5 Bxc3
1956 Alekhine Memorial – Round ? – Gligorić, Svetozar – 1/2-1/2 – Smyslov, Vasily – G92 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Bd3 b6 10. Qe2 Bb7
1956 Belgrade – Round 1 – Petrosian, Tigran A. – 1/2-1/2 – Djurasevic, Bozidar – G4 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Nf3 c5 5. e3 O-O 6. Be2 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. Nb5 Be7
1956 Belgrade – Round 1 – Smyslov, Vladimir – 1/2-1/2 – Karaklajic, Nikola – G2 1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. d4 Bb4 5. e3 O-O 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Bd3 b6 10. a3 cxd4
1956 Candidats Tournament – Round 7 – Bronstein, David I – 1/2-1/2 – Smyslov, Vladimir – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Bb3 b6 10. a3 cxd4
1956 Dresden – Round 5 – Kholmov, Ratmir D – 1/2-1/2 – Averbakh, Yuri L – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nbd7 8. a3 dxc4 9. Bxc4 cxd4 10. exd4 Bxc3
1956 GDR Ch – Round 13 – Dittmann, Sieghart – 1/2-1/2 – Bertholdt, Dieter – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qd3 a6 10. a4 cxd4
1956 GDR Ch Leipzig GER – Round 1 – Dittmann, Sieghart – 0-1 – Fuchs, Reinhart – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qb3 a6 10. a3 Bxc3
1956 Leningrad ch-URS – Round 1 – Borisenko, Georgy K – 1/2-1/2 – Tal, Mikhail – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O Nbd7 8. a3 dxc4 9. Bxc4 cxd4 10. Nb5 Be7
1956 Marianske Lazne/Praha – Round 13 – Wade, Robert G – 1/2-1/2 – Balanel, Ion – G87 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Be2 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. a3 cxd4
1956 Moscow olm fin-A – Round 11 – Ivkov, Borislav – 0-1 – Benko, Pal – G182 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1956 Moscow olm fin-A – Round 7 – Najdorf, Miguel – 1/2-1/2 – Unzicker, Wolfgang – G111 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. Nb5 Be7
1956 Moscow olm fin-A – Round 8 – Najdorf, Miguel – 1/2-1/2 – Padevsky, Nikola – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1956 Moscow olm fin-A – Round 8 – Wade, Robert G – 1/2-1/2 – Ivkov, Borislav – G128 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. Qxd4 Bxc3
1956 Moscow olm prel – Round 1 – Stenberg, O. – 1/2-1/2 – Smyslov, Vladimir – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. exd4 Bxc3
1956 Moscow olm prel – Round 2 – Middleton, Ian – 0-1 – Karaklajic, Nikola – G48 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. e3 O-O 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 cxd4
1956 Olympiad Moscow RUS – Round 7 – Bronstein, David I – 1-0 – Jezek, Jaroslav – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. Qb3 Qe7 10. Rd1 cxd4
1956 URS Ch sf – Round ? – Mikenas, Vladas – 0-1 – Khasin, Abram – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 cxd4 10. exd4 Nb6
1956 URS Ch sf – Round ? – Zamikhovsky, Abram – 1/2-1/2 – Klavins, Janis – G41 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. Nb5 Be7
1956 YUG-GER – Round 2.1 – Gligoric, Svetozar – 1/2-1/2 – Unzicker, Wolfgang – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Bd3 b6 10. Qe2 Bb7
1957 Dallas – Round 1 – Gligorić, Svetozar – 1/2-1/2 – Reshevsky, Samuel – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Bd3 b6 10. Qe2 Bb7
1957 Hoogovens – Round 1 – Van Scheltinga, Theo – 1/2-1/2 – O'Kelly de Galway, Alberic – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Ne2 Nb6 10. Bd3 cxd4
1957 Leningrad Ch – Round 17 – Cherepkov, Alexander V – 1-0 – Zilber, Israel – G127 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 Bxc3 10. bxc3 Qc7
1957 Mar del Plata – Round 1 – Najdorf, Miguel – 1-0 – Kotov Lundqvist, Alex – G11 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 Nb6
1957 Mar del Plata – Round 10 – Alonso-Lej De Las Casas, Fernando – 0-1 – Eliskases, Erich – G91 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. Nb5 Be7
1957 Mar del Plata – Round 15 – Najdorf, Miguel – 1-0 – Kotov Lundqvist, Alex – G128 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 Nb6
1957 Mar del Plata – Round 5 – Panno, Oscar – 1-0 – Albert Seguer, Eladio – G51 1. c4 e6 2. Nf3 Nf6 3. Nc3 d5 4. d4 Bb4 5. e3 O-O 6. Bd3 dxc4 7. Bxc4 c5 8. O-O Nbd7 9. Qe2 cxd4 10. exd4 a6
1957 Minsk zt – Round 13 – Luik, Helmuth – 0-1 – Boleslavsky, Isaac – G90 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. Qxd4 Bc5
1957 Minsk zt – Round 16 – Zelinsky, Yuri – 0-1 – Vistaneckis, Isakas – G111 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 d5 6. Bd3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. exd4 Bxc3
1957 Minsk zt – Round 3 – Roizman, Abram Y – 0-1 – Gipslis, Aivars – G18 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. axb4 dxc3
1957 Minsk zt – Round 5 – Suetin, Alexey S – 1-0 – Luik, Helmuth – G35 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. Qd3 b6 10. a3 cxd4
1957 Minsk zt – Round 6 – Uusi, Gunnar – 1-0 – Roizman, Abram Y – G40 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qb3 b6 10. Rd1 Bb7
1957 Moskou ch-URS – Round 2 – Furman, Slavomir – 1-0 – Stolyar, E. – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qd3 Qe7 10. Rd1 a6
1957 Moskou ch-URS – Round 8 – Furman, Slavomir – 1/2-1/2 – Kholmov, Ratmir D – G81 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qd3 a6 10. a4 Re8
1957 New York ch-USA – Round 10 – Turner, Abe J – 1-0 – Bisguier, Arthur B – G60 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 cxd4
1957 Sofia zt – Round 1 – Niemela, Ilmari Aarne – 1/2-1/2 – Sliwa, Bogdan – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. exd4 Bxc3
1957 Sofia zt Sofia BUL – Round 1 – Fuchs, Reinhart – 1/2-1/2 – Karaklajic, Nikola – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qb3 Bxc3 10. bxc3 b6
1957 Sombor – Round 14 – Gligorić, Svetozar – 1-0 – Karaklajic, Nikola – G136 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Bd3 b6 10. Qe2 Bb7
1957 URS Ch, semi final – Round 10 – Lutikov, Anatoly S – 1/2-1/2 – Gipslis, Aivars – G109 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 Ba5
1957 URS Ch, semi final – Round 14 – Lutikov, Anatoly S – 1/2-1/2 – Kholmov, Ratmir D – G138 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. Nb5 Be7
1957 URS Ch, semi final – Round 17 – Geller, Efim P – 1/2-1/2 – Boleslavsky, Isaac – G151 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 d5 6. Bd3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. Rd1 b5
1957 URS Ch, semi final – Round 3 – Prokhorovich, Taras E – 0-1 – Kholmov, Ratmir D – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Ne2 cxd4 10. exd4 Nb6
1957 URS Ch, semi final – Round 7 – Geller, Efim P – 1/2-1/2 – Furman, Slavomir – G63 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 b6 9. Qe2 Nbd7 10. Rd1 cxd4
1957 Vienna AUT – Round 4 – Gligorić, Svetozar – 1/2-1/2 – Unzicker, Wolfgang – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1957 WchT U26 04th – Round 4.1 – Kozma, Julius – 1/2-1/2 – Bertholdt, Dieter – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. d5 Bxc3
1957 WchT U26 04th – Round 5.2 – Bertholdt, Dieter – 0-1 – Portisch, Lajos – G59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 cxd4 10. exd4 b6
1958 Asztalos Memorial – Round 11 – Tolush, Alexander V – 0-1 – Portisch, Lajos – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. d5 Bxc3
1958 BUL Ch – Round ? – Bobotsov, Milko G – 1-0 – Milev, Zdravko – G9 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Bb4 5. e3 c5 6. Bd3 dxc4 7. Bxc4 Nbd7 8. O-O O-O 9. Qe2 b6 10. Rd1 cxd4
1958 GDR Ch Schkopau GER – Round 7 – Uhlmann, Wolfgang – 1-0 – Handel, Horst – G41 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 Ba5
1958 JUG-13ch – Round 12 – Gligorić, Svetozar – 1/2-1/2 – Puc, Stojan – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 d5 6. Bd3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. Bd3 a6 10. a3 Ba5
1958 Munich olm fin-B – Round 6 – Johansson, Ingemar 1966 – 1-0 – Sliwa, Bogdan – G24 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Bd3 b6 10. Qe2 Bb7
1958 Munich olm fin-B – Round 6 – Thorbergsson, Freysteinn – 1/2-1/2 – Szukszta, Janus – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. Qxd4 Bc5
1958 Munich olm prel – Round 5 – Dittmann, Sieghart – 1-0 – Szukszta, Janus – G112 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 b6 9. Qe2 Nbd7 10. Rd1 cxd4
1958 Munich olm prel – Round 7 – Dittmann, Sieghart – 1/2-1/2 – Eliskases, Erich – G56 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 cxd4
1958 New York ch-USA – Round 2 – Weinstein, Raymond – 1/2-1/2 – Byrne, Ray – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 Qe7 10. a3 Ba5
1958 Portoroz Interzonal – Round 8 – Bronstein, David I – 1/2-1/2 – Averbakh, Yuri L – G74 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Bd2 cxd4 10. exd4 b6
1958 Riga ch-URS – Round 1 – Boleslavsky, Isaac – 1/2-1/2 – Geller, Efim P – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 b6 9. Qe2 Nbd7 10. Re1 cxd4
1958 Riga ch-URS – Round 1 – Borisenko, Georgy K – 1/2-1/2 – Gipslis, Aivars – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qd3 a6 10. a3 cxd4
1958 Sarajevo Sarajevo BIH – Round 1 – Sokolov, Vladimir – 1/2-1/2 – Ivkov, Borislav – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. d5 Bxc3
1958 Tashkent ch URS sf – Round ? – Osnos, Viatcheslav – 1-0 – Grushevsky, Alexander – G6 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 Nbd7 5. Bd3 Bb4+ 6. Nc3 O-O 7. O-O dxc4 8. Bxc4 c5 9. a3 Ba5 10. Qc2 a6
1958 URS Ch sf – Round ? – Simagin, Vladimir – 1/2-1/2 – Kholmov, Ratmir D – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Ne2 cxd4 10. a3 Be7
1958 WchT U26 fin-A 05th – Round 5 – Gurgenidze, Bukhuti – 1/2-1/2 – Handel, Horst – G48 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 Ba5 10. Qe2 a6
1958 YUG Ch 13th – Round 10 – Sofrevski, Jovan – 1/2-1/2 – Puc, Stojan – G56 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Bb4 5. e3 c5 6. Bd3 a6 7. O-O dxc4 8. Bxc4 O-O 9. Qe2 Nbd7 10. Rd1 b5
1958 YUG Ch 13th – Round 15 – Dimc, Dragutin – 0-1 – Karaklajic, Nikola – G80 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. exd4 Bxc3
1958 YUG Ch 13th – Round 8 – Trifunovic, Petar – 1/2-1/2 – Puc, Stojan – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 c5 6. Bd3 dxc4 7. Bxc4 a6 8. O-O O-O 9. Qe2 Nbd7 10. a3 Ba5
1959 Asztalos Memorial – Round 12 – Uhlmann, Wolfgang – 1/2-1/2 – Kholmov, Ratmir D – G56 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. d5 Bxc3
1959 Asztalos Memorial – Round 5 – Beni, Alfred – 1/2-1/2 – Florian, Tibor – G22 1. d4 e6 2. Nf3 Nf6 3. c4 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. axb4 dxc3
1959 Asztalos Memorial 2nd – Round 8 – Uhlmann, Wolfgang – 1-0 – Beni, Alfred – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 cxd4
1959 Kragujevac ch14-YUG – Round 1 – Lukic, Arsenije – 1/2-1/2 – Ugrinovic, Dragan – G19 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Nbd7 5. e3 Bb4 6. Bd3 c5 7. O-O dxc4 8. Bxc4 O-O 9. a3 cxd4 10. exd4 Be7
1959 Kragujevac ch14-YUG – Round 1 – Stupica, Janez – 0-1 – Trifunovic, Petar – G21 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. d5 Bxc3
1959 Marianske Lazne – Round 15 – Kozma, Julius – 1/2-1/2 – Rabar, Braslav – G101 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 cxd4
1959 Marianske Lazne – Round 3 – Gromek, Jozef – 0-1 – Rabar, Braslav – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Re1 a6 10. Bd3 Re8
1959 Marianske Lazne – Round 6 – Polugaevsky, Lev – 1/2-1/2 – Ujtelky, Maximilian – G41 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 Bb7
1959 Stevenson Memorial – Round 1 – Attard, Wilfred – 0-1 – Karaklajic, Nikola – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. exd4 Bxc3
1959 Stevenson Memorial – Round 4 – Cafferty, Bernard – 0-1 – Karaklajic, Nikola – G18 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. e3 c5 6. Bd3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1959 Tbilisi ch-URS – Round 10 – Krogius, Nikolai V – 1/2-1/2 – Korchnoi, Viktor – G79 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 Bb7
1959 Tbilisi ch-URS – Round 14 – Polugaevsky, L. – 1-0 – Kortchnoi, V. – G112 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1959 Tbilisi ch-URS – Round 9 – Spassky, Boris Vasily – 1/2-1/2 – Kholmov, Ratmir D – G71 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Bd2 cxd4
1959 URS Team Ch – Round ? – Korchnoi, Viktor – 1/2-1/2 – Klavins, Janis – G106 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 b6 9. Qe2 Nbd7 10. Rd1 cxd4
1959 URS Team Ch – Round ? – Uusi, Gunnar – 0-1 – Gipslis, Aivars – G103 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 dxc4 7. Bxc4 O-O 8. O-O Nbd7 9. Qb3 b6 10. Rd1 Bb7
1960 Baltic Nations – Round 11 – Taimanov, Mark E – 1/2-1/2 – Gipslis, Aivars – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Bd3 a6 10. a4 b6
1960 Buenos Aires – Round 11 – Taimanov, Mark E – 1-0 – Eliskases, Erich – G117 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qd3 a6 10. a4 cxd4
1960 Leipzig olm – Round 1 – Donner, Jan-Hein – 1-0 – Matanovic, Aleksandar – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1960 Leipzig olm fin-A – Round 6 – Weinstein, Raymond – 1/2-1/2 – Bilek, Istvan – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1960 Moscow CCCT – Round 6 – Polugaevsky, Lev – 0-1 – Kholmov, Ratmir D – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 Ba5
1960 Sao Paulo zt – Round 3 – Reinhardt, Enrique – 0-1 – Bolbochan, J. – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 Ba5 10. Qe2 a6
1960 Stockholm SWE – Round 1 – Nilsson, Zandor – 1/2-1/2 – Unzicker, Wolfgang – G2 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1960 URS Ch sf – Round 11 – Movshovich A – 0-1 – Estrin, Yakov – G85 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1960 URS Ch sf – Round 16 – Antoshin, Vladimir S – 1/2-1/2 – Polugaevsky, Lev – G126 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 Ba5
1960 URS Ch sf – Round 9 – Cherepkov, Alexander V – 1-0 – Estrin, Yakov – G70 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. d5 e5
1961 Baku ch-URS – Round 4 – Taimanov, Mark E – 1/2-1/2 – Gipslis, Aivars – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qd3 a6 10. a4 b6
1961 Bled – Round 2 – Petrosian, Tigran A. – 1-0 – Parma, Bruno – G28 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 c5 5. e3 O-O 6. Be2 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1961 Bled – Round 4 – Geller, Efim P – 1/2-1/2 – Tal, Mikhail – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qd3 b6 10. d5 Bxc3
1961 Bled – Round 8 – Gligorić, Svetozar – 1/2-1/2 – Portisch, Lajos – G74 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. Nb5 Be7
1961 Bucharest GMT 5th – Round 6 – Gheorghiu, Florin – 1/2-1/2 – Mititelu, Gheorghe – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. axb4 dxc3
1961 Maroczy Memorial Budapest HUN – Round 1 – Bisguier, Arthur B – 0-1 – Dely, Peter – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 b6 9. Qe2 Nbd7 10. Rd1 Bb7
1961 Moskou – Round 1 – Kortchnoi, V. – 1-0 – Polugaevsky, L. – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qd3 Qe7 10. a3 Ba5
1961 Soviet-ch28 – Round 16 – Polugaevsky, Lev – 0-1 – Petrosian, Tigran A. – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 cxd4
1961 URS-ch29 sf Novgorod – Round 5 – Lapienis, Donatas – 0-1 – Kholmov, Ratmir D – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. a3 cxd4
1961 Utrecht – Round 7 – Donner, Jan-Hein – 1/2-1/2 – O'Kelly, Albéric de Galway – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 cxd4
1961 Wch-jr final I – Round 8 – Nagy, Bela – 0-1 – Parma, Bruno – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. a3 cxd4
1961 Zagreb – Round 11 – Marovic, Drazen – 1-0 – Karaklajic, Nikola – G95 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1961 Zagreb – Round 13 – Stupica, Janez – 1/2-1/2 – Rabar, Braslav – G106 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 cxd4
1962 Capablanca Memorial – Round 5 – Najdorf, Miguel – 1/2-1/2 – Smyslov, Vladimir – G45 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 Bb7
1962 Erevan ch-URS – Round 1 – Korelov, Alexander P – 1/2-1/2 – Kots, Yuri I – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qd3 a6 10. a4 Qe7
1962 Mar del Plata – Round 2 – Najdorf, Miguel – 1/2-1/2 – Bielicki, Carlos – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qb3 Bxc3 10. bxc3 b6
1962 Stockholm Interzonal – Round 21 – Schweber, Samuel – 1/2-1/2 – Geller, Efim P – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1962 URS Team Ch – Round 1 – Osnos, Viatcheslav – 1-0 – Ludolf, Samuel Bottura – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1962 URS Team Ch – Round 1 – Roizman, Michael – 1/2-1/2 – Antoshin, Vladimir S – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qb3 a6 10. a4 Ba5
1962 Varna olm – Round 5 – Donner, Jan-Hein – 0-1 – Darga, Klaus – G218 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 cxd4
1962 Varna olm – Round 8 – Donner, Jan-Hein – 1/2-1/2 – Matanovic, Aleksandar – G345 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1962 Vrnjacka Banja – Round 5 – Gligorić, Svetozar – 1/2-1/2 – Matanovic, Aleksandar – G53 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qd3 Nb6 10. Bb3 Bd7
1963 Alekhine Memorial – Round 1 – Antoshin, Vladimir S – 1-0 – Keres, Paul – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 Qc7
1963 Alekhine Memorial – Round 9 – Liberzon, Vladimir M – 1/2-1/2 – Matanovic, Aleksandar – G60 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1963 Budapest ch-HUN – Round 1 – Bilek, Istvan – 1-0 – Dely, Peter – G76 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1963 Budapest ch-HUN – Round 1 – Varnusz, Egon – 1/2-1/2 – Kovacs H., Zoltan – G73 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qd3 b6 10. a3 cxd4
1963 Capablanca Memorial – Round 12 – Cobo Arteaga, Eldis – 0-1 – Darga, Klaus – G110 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. Rd1 b5
1963 CSR Ch – Round 4 – Smejkal, Jan – 1-0 – Hýbl, Jaroslav – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 cxd4 10. exd4 Nb6
1963 FRG Ch – Round 12 – Lohse, Steffen – 1/2-1/2 – Unzicker, Wolfgang – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qb3 a6 10. a4 b6
1963 Hoogovens – Round 8 – Bronstein, David I – 1/2-1/2 – Parma, Bruno – G67 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 c5 5. e3 O-O 6. Be2 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Ne5 a6 10. Bb3 Qc7
1963 Leningrad ch-URS – Round 1 – Geller, Efim P – 1/2-1/2 – Kholmov, Ratmir D – G41 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. axb4 dxc3
1963 Moscow RUS – Round ? – Antoshin, Vladimir S – 1-0 – Keres, Paul Petrovich – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 Qc7
1963 New York ch-USA – Round 9 – Evans, Larry – 1/2-1/2 – Reshevsky, Samuel – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 cxd4
1963 Sochi – Round 3 – Kozma, Julius – 1/2-1/2 – Kholmov, Ratmir D – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 cxd4 10. exd4 Nb6
1963 UKR Ch – Round 10 – Lazarev, Efim M. – 1-0 – Ivanenko Bogdan – G64 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. exd4 Be7
1964 Belgrade – Round 14 – Larsen, Benjamin Holsko – 1-0 – Matanovic, Anto – G96 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. Nb5 Be7
1964 Hoogovens – Round 1 – Van den Berg, Cees – 0-1 – Keres, Paul – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Bd3 Qe7 10. Ne4 Nxe4
1964 Leningrad – Round 1 – Geller, Efim P – 1/2-1/2 – Parma, Bruno – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Bd2 b6 10. a3 cxd4
1964 Malaga – Round 2 – O'Kelly, Albéric de Galway – 1-0 – Lengyel, Levente – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Be2 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1964 Pecs – Round 13 – Damjanovic, Mato – 1/2-1/2 – Szilagyi, Peter – G76 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O cxd4 8. exd4 dxc4 9. Bxc4 Nbd7 10. a3 Bxc3
1964 Pecs – Round 15 – Kozma, Julius – 1/2-1/2 – Gipslis, Aivars – G91 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. Nb5 Be7
1964 Reykjavik – Round 1 – Olafsson, Fridrik – 1-0 – Thorbergsson, Freysteinn – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 cxd4
1964 Reykjavik – Round 9 – Palmason, Gudmundur – 1/2-1/2 – Thorbergsson, Freysteinn – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 cxd4
1964 Tel Aviv olm fin-A – Round 13 – Portisch, Lajos – 1-0 – Unzicker, Wolfgang – G275 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. Qxd4 Be7
1964 Tel Aviv olm prel – Round 6 – Addison, Wiliam G – 1-0 – Vinje, Arne – G217 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. Rd1 Qc7
1964 Zuerich-J – Round ? – Eichhorn, Alfred – 0-1 – Kurajica, Bojan – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 Bxc3 10. bxc3 b6
1965 Berlin tt – Round 1 – Donner, Jan-Hein – 1/2-1/2 – Unzicker, Wolfgang – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 b6
1965 Bognor Regis-A – Round 1 – Parr, Frank – 0-1 – Karaklajic, Nikola – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 c5 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Ne2 cxd4 10. Nexd4 e5
1965 Budapest HUN – Round 14 – Krogius, Nikolai V – 1/2-1/2 – Polugaevsky, Lev – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qd3 Qe7 10. a3 Ba5
1965 Candidats final – Round 4 – Spassky, Boris Vasily – 1/2-1/2 – Tal, Mikhail – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. exd4 Bxc3
1965 Capablanca Memorial – Round 15 – Geller, Efim P – 1/2-1/2 – Pachman, Ludek – G148 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. d5 Bxc3
1965 Capablanca Memorial – Round 3 – Smyslov, Vasily – 1-0 – O'Kelly de Galway, Alberic – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1965 Corr Wch5 – Round 1 – Hybl, Jakub – 1-0 – Estrin, Yakov – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. d5 Bxc3
1965 Hamburg etc – Round 9 – Donner, Jan-Hein – 1/2-1/2 – Hein-Unzicker, Wolfgang – G109 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 Ba5
1965 Hoogovens – Round 10 – Van den Berg, Cees – 1/2-1/2 – Matanovic, Anto – G74 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Bd3 b6 10. a3 cxd4
1965 Hoogovens – Round 9 – Bagirov, Vladimir – 1/2-1/2 – Geller, Efim P – G69 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Nf3 d5 6. Be2 dxc4 7. Bxc4 c5 8. O-O Nbd7 9. Qb3 a6 10. a4 Qe7
1965 HUN-ch21 – Round 1 – Portisch, Ferenc – 0-1 – Varnusz, Egon – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 Qc7
1965 Hungary – Round 1 – Farago, Ivan – 0-1 – Polgar, Botond Istvan – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 cxd4 10. exd4 b6
1965 Hungary – Round 1 – Farago, Ivan – 0-1 – Varnusz, Egon – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 b6
1965 IBM – Round 4 – Donner, Jan-Hein – 1-0 – Karaklajic, Nikola – G16 1. c4 e6 2. d4 Nf6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1965 Kiel Open – Round 10 – Mandel, Walter – 0-1 – Rellstab, Ludwig – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 dxc4 7. Bxc4 O-O 8. O-O Nbd7 9. a3 Bxc3 10. bxc3 b6
1965 Novi Sad – Round 16 – Damjanovic, Marko – 1/2-1/2 – Ankerst, Milka – G130 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Bd3 b6 10. a3 cxd4
1965 Titograd – Round 4 – Gligorić, Svetozar – 1/2-1/2 – Parma, Bruno – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. d5 Bxc3
1965 Titograd – Round 8 – Gligorić, Svetozar – 1-0 – Matanovic, Aleksandar – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. d5 Bxc3
1965 Zagreb – Round 11 – Petrosian, Tigran A. – 1/2-1/2 – Ivkov, Borislav – G110 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qb3 a6 10. a4 b6
1965 Zagreb – Round 12 – Portisch, Lajos – 1-0 – Matanovic, Aleksandar – G120 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. d5 Bxc3
1965 Zagreb – Round 15 – Gligorić, Svetozar – 1/2-1/2 – Parma, Bruno – G149 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. d5 Bxc3
1965 Zagreb – Round 19 – Gipslis, Aivars – 1/2-1/2 – Parma, Bruno – G188 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1966 Bucharest Bucharest ROM – Round 15 – Ghitescu, Theodor – 1/2-1/2 – Pavlov, Mircea-Sergiu-Aurelian – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. axb4 dxc3
1966 Hungary – Round 1 – Portisch, Ferenc – 0-1 – Tompa, Janos – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 cxd4
1966 La Habana olm fin-A – Round 3 – Panno, Oscar – 1/2-1/2 – Szabo, Ladislav – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 cxd4
1966 La Habana olm fin-B – Round 10 – Vranesic, Zvonko – 1/2-1/2 – Johansson, Martin 1979 – G141 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 cxd4
1966 La Habana olm fin-B – Round 11 – Keene, Raymond D – 1-0 – Rantanen, Matti – G163 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Bd2 Bb7
1966 Moscow Training – Round 10 – Petrosian, Tigran A. – 1-0 – Simagin, Vladimir – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qb3 a6 10. a4 b6
1966 Panamerican – Round 1 – Yepez, Olavo – 1/2-1/2 – Pereira Cuellar, Miguel – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 cxd4
1966 Santa Monica – Round 1 – Donner, Jan-Hein – 1/2-1/2 – Hein-Unzicker, Wolfgang – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 Ba5
1966 Santa Monica – Round 11 – Reshevsky, Samuel – 1/2-1/2 – Petrosian, Tigran A. – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Bd3 b6 10. a3 cxd4
1966 Santa Monica – Round 16 – Reshevsky, Samuel – 1/2-1/2 – Unzicker, Wolfgang – G67 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 cxd4
1966 Santa Monica – Round 9 – Najdorf, Miguel – 1/2-1/2 – Reshevsky, Samuel – G37 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O Nbd7 8. a3 dxc4 9. Bxc4 Ba5 10. Bd3 Qe7
1966 URS Team Ch – Round ? – Osnos, Viatcheslav – 1/2-1/2 – Giterman, Shlomo – G108 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 cxd4
1967 Budapest Bajnogsag 8th – Round 4 – Portisch, Ferenc – 1/2-1/2 – Varnusz, Egon – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 cxd4
1967 Debrecen – Round 1 – Kozma, Julius – 1-0 – Cs. Kovacs, Laszlo – G1 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 cxd4 10. exd4 Bxc3
1967 Dundee – Round 3 – Gligorić, Svetozar – 1-0 – Pritchett, Craig W – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 cxd4
1967 Moscow – Round 1 – Pachman, Ludek – 0-1 – Najdorf, Miguel – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qb3 a6 10. a3 Ba5
1967 October Revolution 50 – Round 1 – Kortchnoi, V. – 1-0 – Shamkovich, L. – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 cxd4
1967 Sweden (ch) – Round 2 – Jansson, Borje – 1/2-1/2 – Johansson, Martin 1979 – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Be2 dxc4 7. Bxc4 c5 8. O-O Nbd7 9. Qe2 a6 10. a3 Ba5
1967 URS Team Ch – Round 1 – Zhukhovitsky, Samuel – 1-0 – Roizman, Abram Y – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nbd7 8. Qe2 dxc4 9. Bxc4 Qc7 10. Nb5 Qc6
1967 URS-ch35 – Round 1 – Borisenko, Georgy K – 0-1 – Bagirov, Vladimir – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. Nb5 Be7
1967 Venice Venice ITA – Round 3 – Evans, Larry M – 1/2-1/2 – Petrosian, Tigran V – G7 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. exd4 Bxc3
1968 Buenos Aires – Round 4 – Barrio Varas, Lucas – 0-1 – Najdorf, Miguel – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 Ba5 10. Qc2 cxd4
1968 Capablanca Memorial – Round 1 – Antoshin, Vladimir S – 1/2-1/2 – Jimenez Zerquera, Eleazar – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 Qc7
1968 Cardenas/Matanzas/Santa Clara – Round 10 – Yepez, Olavo – 1/2-1/2 – Cobo Arteaga, Eldis – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 b6
1968 CSR Ch – Round 9 – Kozma, Julius – 1/2-1/2 – Augustin, Josef – G76 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 Ba5
1968 Lugano olm – Round 1 – Portisch, Lajos – 1-0 – Panno, Oscar – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 cxd4
1968 Olympiad Final A – Round 1 – Panno, Oscar – 1/2-1/2 – Brinck-Claussen, Bjorn – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 cxd4
1969 Hastings6970 – Round 9 – Gligorić, Svetozar – 0-1 – Unzicker, Wolfgang – G41 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. d5 Bxc3
1969 Luhacovice – Round 7 – Kozma, Julius – 1/2-1/2 – Kolarov, Atanas S. – G60 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 dxc4 7. Bxc4 c5 8. O-O Nbd7 9. Qe2 cxd4 10. exd4 Nb6
1969 Moskou ch-URS – Round 1 – Furman, Slavomir – 1/2-1/2 – Platonov, Igor – G48 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a3 Ba5
1969 New York ch-USA – Round 9 – Addison, Wiliam G – 1/2-1/2 – Zuckerman, Bernard – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. exd4 Bxc3
1969 Reggio Emilia 6970 12th – Round ? – Filep, Tibor – 1/2-1/2 – Mariotti, Sergio – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4
1969 Toronto CC Ch 1968-69 – Round 9 – Orlando, Roy – 0-1 – Sarosy, Zoltan L – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Ne2 cxd4 10. a3 Be7
1969 WchT U26 fin-B 16th – Round 4.3 – Farago, Ivan – 1-0 – Nordstrom, Felix – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 cxd4 10. exd4 b6
1969 Zagreb – Round 1 – Udovcic, Mijo – 0-1 – Damjanovic, Marko – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 b6
1970 Belgrade URS-World – Round 2.3 – Portisch, Lajos – 1/2-1/2 – Korchnoi, Viktor – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qb3 a6 10. a4 Ba5
1971 Hoogovens – Round 5 – Mecking, Henrique – 1/2-1/2 – Korchnoi, Viktor – G75 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. a3 cxd4 10. Qxd4 Bxc3
1972 San Antonio – Round 1 – Portisch, Lajos – 1-0 – Karpov, Anatoly – G41 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 cxd4 10. exd4 b6
1974 Manila – Round 10 – Kraidman, Yair – 1/2-1/2 – Andersson, Ulf – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qe2 a6 10. a4 cxd4
EU Team Ch 1980 – Round 6 – Gligoric, Svetozar – 1/2-1/2 – Ribli, Zoltan – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Bd3 b6 10. Re1 Bb7
Manila Interzonal 1990 – Round 12 – Gulko, Boris – 1-0 – Lobron, Eric – G193 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Bd3 b6 10. a3 cxd4
World Blitz 2007 – Round 11 – Ponomariov, Ruslan – 0-1 – Leko, Peter – G102 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qb3 a6 10. a4 Qe7
World Cup 1988 – Round 1 – Beliavsky, Alexander G – 1/2-1/2 – Ribli, Zoltan – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O dxc4 8. Bxc4 Nbd7 9. Qb3 a6 10. a4 Qe7

E55a — Main Line Bronstein Variation

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O dxc4 8.Bxc4 Nbd7

Eval: [+0.24]

Les coups candidats

9.Qe2 — 54.5% (1492 parties) →

Ambassadeurs : Knaak, Rainer (19x), Farago, Ivan (18x), Kholmov, Ratmir D (15x), Portisch, Lajos (13x), Donner, Jan-Hein (11x), Suba, Mihai (10x), Estrin, Yakov (9x), Unzicker, Wolfgang (9x)

9.a3 — 31.0% (849 parties) →

Ambassadeurs : Van der Stricht, Geert (10x), Korobov, Anton (10x), Kholmov, Ratmir D (8x), Farago, Ivan (8x), Aleksandrov Ivanchev, Aleksandar (8x), Lukacs, Peter (7x), Hentze Holger (6x), Adams, Michael (6x)

9.Qb3 — 4.5% (124 parties)

Ambassadeurs : Beliavsky, Alexander G (8x), Korchnoi, Viktor (5x), Portisch, Lajos (4x), Vaisser, Anatoly (4x), Peralta, Fernando (4x), Uusi, Gunnar (3x), Ribli, Zoltan (3x), Aleksandrov Ivanchev, Aleksandar (3x)

9.Bd3 — 3.4% (94 parties)

Ambassadeurs : Gligoric, Svetozar (15x), Farago, Ivan (6x), Donner, Jan-Hein (5x), Gligorić, Svetozar (4x), Reshevsky, Samuel (3x), Ribli, Zoltan (3x), Renet, Olivier (3x), Miralles, Gilles (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.Qe2	9.a3	9.Qb3	9.Bd3
<1800	30	57%	27%	3%	7%
1800-2200	550	60%	30%	2%	1%
2200-2600	1321	53%	35%	4%	4%
2600+	133	34%	44%	16%	1%

Évolution par décennie (% des parties)

Décennie	N parties	9.Qe2	9.a3	9.Qb3	9.Bd3
1940s	1	100%	—	—	—
1950s	110	43%	28%	6%	9%
1960s	203	59%	19%	5%	5%
1970s	177	51%	24%	7%	10%
1980s	174	68%	16%	3%	9%
1990s	239	59%	23%	5%	8%
2000s	864	55%	30%	7%	2%
2010s	896	52%	40%	2%	1%
2020s	76	45%	50%	1%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.Qe2	52%	45%	▼ -7.7%
9.a3	40%	50%	▲ +10.3%
9.Qb3	2%	1%	▼ -0.9%
9.Bd3	1%	1%	▲ +0.6%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 9 parties
Smyslov, Vladimir — 8 parties
Carlsen, Magnus — 6 parties
Anand, Viswanathan — 5 parties
Karpov, Anatoly — 3 parties
Karpov, Aleksandr — 3 parties
Kasparov, Garry — 2 parties
Kramnik, Vladimir — 2 parties
Euwe, Max — 1 partie
Botvinnik, Mikhail — 1 partie

Parties historiques

9.Qe2 — 54.5% (1492 parties)

1948 — Ilivitsky, Georgy A vs Lisitsin, Georgy — 1-0 — Moskou ch-URS
1955 — Udovcic, Mijo vs Karaklajic, Nikola — 1-0 — Zagreb CRO
1955 — Minev, Nikolay N vs Karaklajic, Nikola — 1/2-1/2 — Zagreb CRO
1956 — Wade, Robert G vs Balanel, Ion — 1/2-1/2 — Marianske Lazne
1956 — Najdorf, Miguel vs Padevsky, Nikola — 1/2-1/2 — Moscow olm fin-A

9.a3 — 31.0% (849 parties)

1956 — Petrosian, Tigran A. vs Djurasevic, Bozidar — 1/2-1/2 — Belgrade SRB
1956 — Smyslov, Vasily vs Karaklajic, Nikola — 1/2-1/2 — Belgrade URS vs YUG
1956 — Wade, Robert G vs Ivkov, Borislav — 1/2-1/2 — Moscow RUS
1956 — Niemela, Antti vs Lungkvist L — 0-1 — olm Moscow RUS
1956 — Pla, Orlando vs Weichselbaumer, Ernst — 1/2-1/2 — Moscow RUS

9.Qb3 — 4.5% (124 parties)

1956 — Bronstein, David I vs Jezek, Jaroslav — 1-0 — Olympiad Moscow RUS
1956 — Dittmann, Sieghart vs Fuchs, Reinhart — 0-1 — GDR-ch Leipzig GER
1957 — Uusi, Gunnar vs Roizman, Abram Y — 1-0 — Minsk BLR
1957 — Fuchs, Reinhart vs Karaklajic, Nikola — 1/2-1/2 — Sofia zt Sofia BUL
1958 — Roizman, Abram Y vs Luik, Helmuth — 1-0 — Vilnius LTU

9.Bd3 — 3.4% (94 parties)

1956 — Smyslov, Vladimir vs Karaklajic, Nikola — 1/2-1/2 — Belgrade SRB
1956 — Addison, William Grady vs Ramirez, Gilbert — 0-1 — Barbera Santa CA
1956 — Gligorić, Svetozar vs Smyslov, Vasily — 1/2-1/2 — Moscow RUS
1956 — Gligoric, Svetozar vs Smyslov, Vasily — 1/2-1/2 — Moscow RUS
1956 — Gligoric, Svetozar vs Unzicker, Wolfgang — 1/2-1/2 — Bled SLO

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