E42a — Nimzo-Indian: 4.e3 c5 5.Ne2

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Ne2 * ● 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 f4 et b5 et la paire de fous.

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

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Bd2 (Développer Bc1) ; Bd3 (Développer Bf1).

♚ 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, 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	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (3v1), ● e5 (1v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 0)
Bb4		● Bb4 Ok (mob. 3)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	4 (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
1930 Hamburg olm – Round 1 – Rubinstein, Akiba – 1-0 – Maroczy, Geza – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. c5 b6 9. b4 bxc5 10. dxc5 e5
1930 Liege – Round 5 – Rubinstein, Akiba – 0-1 – Ahues, Carl – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Bxc3+ 8. Nxc3 dxc4 9. Bxc4 O-O 10. O-O Nc6
1931 Trebitsch mem14 – Round 5 – Becker, Albert – 1-0 – Kunert, Franz – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. c5 Nc6 9. b4 e5 10. dxe5 Nxe5
1937 Kemeri – Round 1 – Landau, Salo – 1-0 – Ozols, Karlis – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 Nc6 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 d5 9. c5 O-O 10. Be2 e5
1938 AVRO – Round 1 – Capablanca, Jose – 1/2-1/2 – Keres, Paul Petrovich – G2 1. d4 e6 2. c4 Bb4+ 3. Nc3 c5 4. e3 Nf6 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. Nf4 d5 9. cxd5 Nxd5 10. Nfxd5 exd5
1945 Prague Prague CZE – Round 9 – Richter, Emil – 1-0 – Stulik, Vlastimil – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. Nf4 dxc4 9. Bxc4 O-O 10. O-O Nbd7
1946 Pittsburgh Open – Round 1 – Seidman, Herbert – 1-0 – Strang – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Ne2 c5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. Qxd4 Nc6 9. Qc5 Qe7 10. Qxe7+ Nxe7
1947 GBR Ch 34th – Round 10 – Wood, Gabriel Jacquin – 1/2-1/2 – Golombek, Harry – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Ne2 c5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 dxc4 9. Bxc4 Nc6 10. Be3 O-O
1948 South Fallsburg ch-USA – Round 1 – Heitner, I. – 1/2-1/2 – Evans Lianda – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. c5 O-O 9. b4 b6 10. g3 a5
1948 US Open Baltimore, MD USA – Round 10 – Kramer, George – 1/2-1/2 – Ulvestad, Olaf – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. cxd5 Nxd5 7. a3 cxd4 8. axb4 dxc3 9. bxc3 Qc7 10. Qb3 O-O
1949 BRA Ch – Round ? – Cruz, Walter – 1-0 – Dantas, Nelson – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 Ne4 6. Qc2 f5 7. a3 Qa5 8. Rb1 Bxc3+ 9. Nxc3 Nxc3 10. Bd2 cxd4
1949 Hastings4950 – Round 4 – Evans, Larry M – 1-0 – Koenig, Imre – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. exd4 Be7 8. d5 exd5 9. cxd5 Bc5 10. Na4 Bd6
1949 Mar del Plata – Round 16 – Blanco Cruz, Wara – 1/2-1/2 – Luckis, Marcos – G135 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. dxc5 Nc6 7. a3 Bxc5 8. b4 Be7 9. cxd5 exd5 10. Nd4 O-O
1949 Oldenburg – Round 8 – Bogoljubow, Efim – 1-0 – Walther, Edgar – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 d5 9. Bg5 dxc4 10. Bxc4 Nbd7
1950 Hungary – Round 1 – Vajda, Albert – 1/2-1/2 – Balogh, Janos – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 Nc6 6. dxc5 Bxc5 7. Nf4 O-O 8. Be2 Qe7 9. O-O Rd8 10. b3 b6
1950 Interzonal – Round 14 – O'Kelly de Galway, Alberic – 1/2-1/2 – Matanovic, Aleksandar – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. cxd5 exd5 7. a3 cxd4 8. Nxd4 Bxc3+ 9. bxc3 O-O 10. Bd3 Nbd7
1951 USA-op52 – Round 5 – Kashdan, Isaac – 0-1 – Gonzalez, Juan Dr – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. c5 Nc6 9. Bf4 O-O 10. g3 b6
1951 USA-op52 – Round 6 – Evans, Larry M – 1-0 – Smith, Kenneth – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 dxc4 9. Bxc4 Nc6 10. Be3 O-O
1951 YUG Ch 6th – Round 1 – Andric, Dragoslav – 1/2-1/2 – Matanovic, Aleksandar – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. exd4 Be7 8. c5 O-O 9. b4 Re8 10. Ng3 Ne4
1951 YUG Ch 6th – Round 9 – Andric, Dragoslav – 1-0 – Puc, Stojan – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 Bxc3+ 7. Nxc3 d6 8. Be2 Qe7 9. O-O Nc6 10. d5 exd5
1951 YUG Ch 7th – Round 11 – Germek, Milan – 1-0 – Gligoric, Svetozar – G92 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. c5 O-O 9. b4 b6 10. Ng3 a5
1951 Zonal – Round 4 – Donner, Jan-Hein – 1/2-1/2 – Kramer, Haije – G9 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Bxc3+ 8. Nxc3 dxc4 9. Bxc4 O-O 10. O-O Nc6
1951 Zonal Bad Pyrmont GER – Round 14 – Matanovic, Aleksandar – 0-1 – Golombek, Harry – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. exd4 Be7 8. c5 b6 9. b4 a5 10. Bf4 O-O
1952 Belgrade – Round 1 – Bogoljubow, Efim – 1-0 – Huicab Puc, Angel Gamaliel – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Ba5 7. Rb1 Qe7 8. g3 Bb7 9. d5 exd5 10. Bg2 Ne4
1952 DDR Ch 03rd – Round 9 – Mueller, Klaus – 1-0 – Schlieder, Rolf – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. exd4 Be7 8. Ng3 O-O 9. cxd5 Nxd5 10. Bd3 Nc6
1952 Havana – Round 3 – Steiner, Herman – 1/2-1/2 – Abad Gonzalez, Jose Miguel – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. c5 Nc6 9. b4 a6 10. Ng3 e5
1952 Hollywood – Round 1 – Joyner, Lionel – 1-0 – Dake, Arthur William – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Ba5 7. Rb1 Nc6 8. d5 exd5 9. cxd5 Bxc3+ 10. bxc3 Na5
1952 Liberation – Round 1 – O'Kelly de Galway, Alberic – 1-0 – Matanovic, Aleksandar – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. exd4 Be7 8. c5 O-O 9. b4 Nbd7 10. Nf4 Ne4
1952 Liberation – Round 10 – Bogoljubow, Efim D – 0-1 – Matanovic, Aleksandar – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 O-O 9. b5 b6 10. Be2 Bb7
1952 Liberation – Round 5 – O'Kelly, Albéric de Galway – 1/2-1/2 – Puc, Stojan – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Ba5 7. Rb1 Qe7 8. Qa4 Nc6 9. Bd2 Bxc3 10. Bxc3 Ne4
1952 Liberation – Round 6 – Bogoljubow, Efim D – 1/2-1/2 – Gruenfeld, Ernst – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 dxc4 9. Bxc4 O-O 10. O-O Nc6
1952 Miedzyzdroje – Round 9 – Makarczyk, Kazimierz – 0-1 – Balanel, Ion – G53 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 Ne4 6. Qc2 f5 7. a3 Qa5 8. axb4 Qxa1 9. Nxe4 fxe4 10. bxc5 Nc6
1953 Mar del Plata – Round 3 – Wexler, Bernardo – 0-1 – Cuellar Gacharna, Miguel – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 Ne4 6. f3 Nxc3 7. Nxc3 Nc6 8. d5 Ne5 9. f4 Ng6 10. Be2 Bxc3+
1953 POL-ch11 – Round 12 – Makarczyk, Kazimierz – 0-1 – Sliwa, Bogdan – G74 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. c5 O-O 9. b4 b6 10. Ng3 Bb7
1953 Zagreb – Round 4 – Dimc, Dragutin – 1-0 – Puc, Stojan – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Ba5 7. Rb1 Nc6 8. d5 exd5 9. cxd5 Bxc3+ 10. Nxc3 Ne5
1954 Amsterdam olm – Round 1 – Botvinnik, Mikhail – 1-0 – Pirc, Vasja – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 b6 8. cxd5 exd5 9. Bb5+ Bd7 10. Be2 Bc6
1954 Mar del Plata/B.Aires zt it-17 – Round 7 – Sanguinetti Lopez, Jose Pablo – 0-1 – Najdorf, Miguel – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. exd4 Be7 8. c5 b6 9. b4 O-O 10. Na4 bxc5
1955 Hamburg – Round 1 – Darga, Klaus – 1/2-1/2 – Golombek, Harry – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Ba5 7. Bd2 Bb7 8. b4 cxb4 9. Nb5 Qe7 10. Qb3 Na6
1955 Hamburg – Round 7 – Beni, Alfred – 0-1 – Golombek, H. – G57 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. exd4 Be7 8. c5 O-O 9. Ng3 Bd7 10. Be2 b6
1955 Hungary Ch – Round 1 – Barcza, Gedeon – 1/2-1/2 – Portisch, Lajos – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Ne4 8. Qd3 e5 9. a3 Bxc3+ 10. Nxc3 O-O
1955 Manhattan CC Ch 5556 – Round 11 – Turner, Abe J – 0-1 – Klugman, Reuben – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. cxd5 Nxd5 7. Bd2 cxd4 8. exd4 Nc6 9. a3 Be7 10. Be3 Nxe3
1955 Prague tm Prague CZE – Round 2 – Makarczyk, Kazimierz – 0-1 – Cucka, Josef – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. c5 b6 9. b4 O-O 10. Ng3 bxc5
1955 Wroclaw – Round 1 – Makarczyk, Kazimierz – 0-1 – Kwilecki, Andrzej – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d6 6. a3 Ba5 7. Qc2 Nc6 8. Bd2 O-O 9. O-O-O Qe7 10. Kb1 a6
1956 Alekhine Memorial – Round 1 – Botvinnik, Mikhail – 1-0 – Najdorf, Miguel – G23 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 O-O 9. cxd5 Nxd5 10. Nxd5 Qxd5
1956 Harmonie CC Open – Round 10 – Grimshaw, David – 1/2-1/2 – Anderson, Frank Ross – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 O-O 9. cxd5 exd5 10. Be2 Nc6
1956 URS Ch sf – Round ? – Novotelnov, Nikolai – 1-0 – Geller, Alexander – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 d5 9. b3 b6 10. Be2 Bb7
1956 URS Ch, semi final – Round 18 – Antoshin, Vladimir S – 1/2-1/2 – Zurakhov, Vladlen Y – G119 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. cxd5 Nxd5 9. Nxd5 exd5 10. Nc3 O-O
1957 Bratislava Bratislava SVK – Round 10 – Bertok, Mario Jr. – 1/2-1/2 – Tringov, Georgi P – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 dxc4 9. Bxc4 O-O 10. O-O Nc6
1957 Corr – Round ? – Korning, Peter – 1/2-1/2 – Andreasen Harry – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 dxc4 9. Bxc4 O-O 10. O-O Nbd7
1957 CSR Ch – Round 9 – Dolezal, Jiri – 1-0 – Kozma, Edmund – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 d5 9. cxd5 exd5 10. Be2 Nc6
1957 DDR Ch 08th – Round 10 – Bertholdt, Dieter – 1-0 – Handel, Horst – G68 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Nc6 8. a3 Bxc3+ 9. Nxc3 O-O 10. Be3 e5
1957 Dublin zt – Round 11 – Van Scheltinga, Theo – 1-0 – Conrady, Alphonse – G85 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Bxc3+ 7. Nxc3 Bb7 8. dxc5 bxc5 9. Qd6 Na6 10. f3 Rc8
1957 Hamburg Ch – Round 6 – Reiher, Jack – 0-1 – Rellstab, Ludwig Sr – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. exd4 Be7 8. c5 O-O 9. b4 Nc6 10. Ng3 Ne4
1957 Leningrad Ch – Round 3 – Ragozin, Viacheslav – 0-1 – Cherepkov, Alexander V – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. c5 b6 9. b4 bxc5 10. dxc5 e5
1957 Przepiorka Memorial – Round 14 – Sliwa, Bogdan – 1/2-1/2 – Kholmov, Ratmir D – G87 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. g3 Qc7 8. a3 Be7 9. Qd3 Nc6 10. Bg2 d6
1957 Przepiorka Memorial – Round 3 – Sliwa, Bogdan – 1-0 – Szukszta, Janus – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. exd4 Be7 8. c5 a5 9. Rb1 Nc6 10. b4 axb4
1957 Sofia zt Sofia BUL – Round 1 – Beni, Alfred – 1-0 – Mititelu, Gheorghe – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 d5 9. c5 Re8 10. Bb5 Bd7
1957 Toronto wch-jr – Round 2 – Selimanov – 0-1 – Gerusel, Mathias – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. Nf4 dxc4 9. Bxc4 O-O 10. O-O Nbd7
1957 USA Ch Open 58th – Round 3 – Saidy, Anthony – 1-0 – Nash, Edmund – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 d6 10. Ng3 Ne8
1957 Vienna AUT – Round 3 – Jezek, Jaroslav – 1/2-1/2 – Rellstab, Ludwig – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 O-O 9. cxd5 exd5 10. Be2 Nc6
1957 Wageningen zt – Round 12 – Uhlmann, Wolfgang – 1/2-1/2 – Niephaus, Walter – G57 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 dxc4 9. Qxd8+ Kxd8 10. Bxc4 Nbd7
1957 Warchau ch POL – Round 17 – Sliwa, Bogdan – 0-1 – Szukszta, Janus – G91 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 O-O 9. cxd5 exd5 10. Be2 Be6
1957 WchT U26 04th – Round 3.4 – Juettler Helmut – 0-1 – Gipslis, Aivars – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Ne4 8. Bd2 Nxd2 9. Qxd2 O-O 10. a3 Ba5
1957 WchT U26 04th – Round 8.4 – Saidy, Anthony – 1-0 – Sammalisto, L. – G111 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 Nc6 9. cxd5 exd5 10. b5 Ne5
1957 WchT U26 04th – Round 9.4 – Saidy, Anthony – 1-0 – Szabo, Iuliu inactive – G123 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 Ne4 6. a3 Bxc3+ 7. Nxc3 Nxc3 8. bxc3 Nc6 9. dxc5 Qa5 10. Qc2 Qxc5
1958 AUS Ch – Round 3.3 – Viner, Philip John – 1/2-1/2 – Sarapu, Ortvin – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 Nc6 9. c5 Ne4 10. Nxe4 dxe4
1958 Ch - CC – Round ? – Foley, Phil T – 1/2-1/2 – Blackstone, John – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 Ne4 6. a3 cxd4 7. exd4 Nxc3 8. Nxc3 Bxc3+ 9. bxc3 O-O 10. Bd3 d5
1958 GDR Ch Schkopau GER – Round 2 – Golz, Werner – 0-1 – Fiensch, Guenter – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. exd4 Be7 8. Ng3 d5 9. c5 b6 10. b4 bxc5
1958 Munich olm fin-B – Round 2.2 – Ravn, Peter Henrik – 0-1 – Forintos, Gyozo V – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Ne4 8. Bd2 Nc6 9. a3 Bxc3 10. Nxc3 O-O
1958 Munich olm prel – Round 2 – Russell, M K A – 0-1 – Noradounghian, Georges – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. exd4 Be7 8. c5 O-O 9. Bf4 b6 10. cxb6 Qxb6
1958 Munich olm prel – Round 6 – Donner, Jan-Hein – 1-0 – Boutteville, Cesar – G132 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Bxc3+ 7. Nxc3 Bb7 8. d5 d6 9. e4 O-O 10. Bg5 Re8
1958 Munich olm prel – Round 8 – Clarke, Peter H – 1/2-1/2 – Bertholdt, Dieter – G176 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Ba5 7. dxc5 dxc4 8. Qxd8+ Kxd8 9. Ng3 Bxc3+ 10. bxc3 Nbd7
1958 Portoroz Interzonal – Round 12 – Averbakh, Yuri L – 1/2-1/2 – Panno, Oscar – G110 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Ne4 8. Bd2 Nxd2 9. Qxd2 b6 10. a3 Bxc3
1958 Riga Ch – Round 5 – Stoyanov, Bozhidar Ivanov – 1-0 – Klavins, Janis – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 O-O 8. a3 Bxc3+ 9. Nxc3 b6 10. b4 e5
1958 UKR Ch – Round 12 – Sakharov, Yuri N – 1-0 – Bannik, Anatolij – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Ne4 8. Bd2 Nxd2 9. Qxd2 a6 10. a3 Ba5
1958 WchT U26 fin-A 05th – Round 4 – Bertholdt, Dieter – 0-1 – Blatny, Frantisek – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 b6 7. a3 Be7 8. d5 d6 9. Ng3 e5 10. Bd3 Nbd7
1958 WchT U26 fin-A 05th – Round 4 – Saidy Gaggioli, Marie – 0-1 – Padevsky, Nikola – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Ne4 8. Bd2 Nc6 9. Nxe4 dxe4 10. Bxb4 Nxb4
1958 WchT U26 fin-A 05th – Round 7 – Bertholdt, Dieter – 1/2-1/2 – Kolarov, Atanas Stefanov – G74 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Ne4 8. Bd2 Bxc3 9. Nxc3 O-O 10. Nxe4 dxe4
1959 Asztalos Memorial – Round 4 – Uhlmann, Wolfgang – 1-0 – Neikirkh, Oleg – G16 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Nc6 8. a3 Ba5 9. g3 e5 10. b4 Bc7
1959 Candidats Tournament – Round 15 – Petrosian, Tigran V – 0-1 – Olafsson, Fridrik – G55 1. c4 e6 2. Nc3 Nf6 3. d4 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 dxc4 9. Bxc4 Nc6 10. Be3 O-O
1959 Hastings5960 – Round 3 – Burger, Hein – 1/2-1/2 – Golombek, Harry – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. g3 d5 9. c5 b6 10. b4 a5
1959 Krakow – Round 2 – Sliwa, Bogdan – 1-0 – Forintos, Gyozo V – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Ne4 8. Bd2 Nc6 9. Nxe4 dxe4 10. Bxb4 Nxb4
1959 Marianske Lazne – Round 1 – Kozma, Julius – 1-0 – Blatny, Frantisek – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. exd4 Be7 8. d5 d6 9. Ng3 Nbd7 10. Be2 a5
1959 Tbilisi ch-URS – Round 12 – Polugaevsky, Lev – 1-0 – Spassky, Boris V. – G97 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Nc6 8. a3 Ba5 9. b4 Bc7 10. g3 e5
1959 URS Team Ch – Round ? – Lutikov, Anatoly S – 0-1 – Tolush, Alexander V – G104 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 dxc4 9. Bxc4 Nc6 10. Be3 O-O
1959 URS-ch26 – Round 16 – Polugaevsky, Lev – 1-0 – Taimanov, Mark E – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Ne4 8. Bd2 Nc6 9. Nxe4 dxe4 10. Bxb4 Nxb4
1959 Wch U20 fin-A – Round 7 – Hamann, Svend – 1/2-1/2 – Kuijpers, Frans – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Nc6 8. Bd2 Ne4 9. Nxe4 dxe4 10. Bxb4 Nxb4
1959 Wch U20 prel-A – Round 5 – Hamann, Svend – 1-0 – Wostyn, Hendrik – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Ne4 8. Bd2 Nc6 9. Nxe4 dxe4 10. Bxb4 Nxb4
1960 AUS Ch – Round 4.4 – Crowl, Frank Arthur – 0-1 – Teters, A. – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 Ne4 7. Qb3 Qa5 8. f3 Nxc3 9. bxc3 Be7 10. Nf4 Nc6
1960 Baltic Nations – Round 9 – Bertholdt, Dieter – 1-0 – Kondratiev, Pavel E – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 O-O 8. a3 Ba5 9. Bf4 Nc6 10. b4 Bc7
1960 Budapest zt – Round 9 – Golz, Werner – 1/2-1/2 – Matanovic, Aleksandar – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. exd4 Be7 8. c5 O-O 9. b4 b6 10. Ng3 a5
1960 BUL-ch14 Sofia BUL – Round 19 – Milev, Zdravko – 1-0 – Pipkov, Ljuben – G73 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 Ne4 6. Qc2 f5 7. a3 Bxc3+ 8. Nxc3 Nxc3 9. Qxc3 Qf6 10. b3 O-O
1960 BUL-ch14 Sofia BUL – Round 3 – Piskov, Kamen – 1/2-1/2 – Kolarov, Atanas S. – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 cxd4 7. exd4 Be7 8. d5 d6 9. g3 e5 10. Bg2 Bg4
1960 Corr Golden Knights – Round ? – Reveal, David – 0-1 – Zalys, Ignas – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. c5 O-O 9. b4 b6 10. g3 bxc5
1960 GBR Ch 47th – Round 10.2 – Barden, Leonard – 1/2-1/2 – Golombek, Harry – G85 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. exd4 Be7 8. Nf4 dxc4 9. Bxc4 O-O 10. O-O Nc6
1960 Leipzig olm fin-B – Round 3 – Petersen, Finn – 1/2-1/2 – Kaliwoda, Kurt – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 Bxc3+ 7. Nxc3 b6 8. Be2 Bb7 9. O-O Na6 10. d5 exd5
1960 Poland Ch – Round 15 – Gromek, Jozef – 0-1 – Filipowicz, Andrzej – G59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 dxc4 9. Bxc4 Nc6 10. Be3 O-O
1960 Poland Ch – Round 7 – Gromek, Jozef – 1-0 – Pojedziniec, Wladyslaw – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. exd4 Be7 8. g3 d5 9. c5 e5 10. dxe5 Ng4
1960 URS Ch sf – Round 12 – Vistaneckis, Isakas – 1-0 – Movshovich A – G93 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. exd4 Be7 8. d5 exd5 9. cxd5 Re8 10. g3 d6
1960 URS Ch sf – Round 5 – Antoshin, Vladimir S – 1-0 – Vistaneckis, Isakas – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 dxc4 9. Bxc4 Nc6 10. Be3 O-O
1961 Baku ch-URS – Round 2 – Polugaevsky, Lev – 1/2-1/2 – Kholmov, Ratmir D – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 Re8 10. g3 Bc5
1961 Bucharest GMT 5th – Round 5 – Mititelu, Gheorghe – 1/2-1/2 – Radovici, Corvin – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 dxc4 9. Bxc4 Nc6 10. d5 exd5
1961 DDR-ch2 – Round ? – Herzel, Alois, Dr. – 1/2-1/2 – Koch, Berthold – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 Ne4 7. Bd2 Nxd2 8. Qxd2 b6 9. a3 Be7 10. g3 Bb7
1961 Graz 1st – Round 2 – Struner Philipp – 1/2-1/2 – Rellstab, Ludwig – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 O-O 9. cxd5 exd5 10. Be2 Be6
1961 New York ch-USA – Round 5 – Byrne, David – 1/2-1/2 – Turner, Abe J – G20 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Ng3 O-O 9. Bxc4 Qc7 10. Ba2 Rd8
1961 Warsaw – Round ? – Sliwa, Bogdan – 0-1 – Tolush, Alexander V – G80 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 dxc4 9. Bxc4 Nc6 10. d5 exd5
1961 Zevenaar – Round 13 – Wade, Robert G – 1/2-1/2 – Matanovic, Aleksandar – G85 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. exd4 Be7 8. Nf4 dxc4 9. Bxc4 O-O 10. O-O Nbd7
1961 Zevenaar – Round 6 – Henneberke, Frans – 1/2-1/2 – Rellstab, Ludwig – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. exd4 Bxc3+ 8. Nxc3 dxc4 9. Bxc4 Nc6 10. Be3 O-O
1962 DDR-12ch – Round 4 – Golz, Werner – 0-1 – Handel, Horst – G10 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Ne2 Ne4 6. Bd2 Nxd2 7. Qxd2 cxd4 8. exd4 O-O 9. a3 Be7 10. d5 e5
1962 Marianske Lazne – Round 13 – Sliwa, Bogdan – 1-0 – Thorbergsson, Freysteinn – G79 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 e5 8. a3 Bxc3+ 9. Nxc3 exd4 10. Qxd4 O-O
1962 Spartak Ch – Round 4 – Pelts, Roman – 0-1 – Khasin, Abram – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 dxc4 9. Bxc4 O-O 10. O-O Nc6
1962 Varna olm – Round 8 – Ghitescu, Theodor – 1/2-1/2 – Matanovic, Aleksandar – G187 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 O-O 9. c5 b6 10. Be2 Bd7
1962 Vrnjacka Banja – Round 1 – Gligoric, Sofija – 1-0 – Rajkovic, Aleksandar – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Bxc3+ 7. Nxc3 Bb7 8. d5 O-O 9. Be2 b5 10. O-O bxc4
1962 Whitby ch-BCF – Round 2 – Wallis, Philip N – 0-1 – Hilton, CG. – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 O-O 9. cxd5 exd5 10. Be2 Be6
1963 Alekhine Memorial – Round 12 – Gligorić, Svetozar – 1-0 – Hort, Vlastimil – G80 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d6 6. a3 Ba5 7. Ng3 O-O 8. d5 Re8 9. Be2 Bxc3+ 10. bxc3 Qa5
1963 Hoogovens – Round 5 – Gereben, Erno – 0-1 – Donner, Jan-Hein – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Ba5 7. dxc5 dxc4 8. Qxd8+ Kxd8 9. Nd4 Bxc3+ 10. bxc3 Nbd7
1963 HUN-RSFSR – Round 4.5 – Antoshin, Vladimir S – 0-1 – Forintos, Gyozo V – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Ne4 8. Bd2 Nxd2 9. Qxd2 b6 10. a3 Bxc3
1963 Leningrad – Round ? – Zilberstein, Valery I – 1-0 – Estrin, Yakov – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 O-O 8. a3 Bxc3+ 9. Nxc3 b6 10. Be2 bxc5
1963 Leningrad Ch – Round ? – Karasev, Vladimir I – 1/2-1/2 – Aronson, Lev – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 d5 9. cxd5 exd5 10. Be2 Be6
1964 Amsterdam Interzonal – Round 1 – Vranesic, Zvonko – 1/2-1/2 – Porath, Yosef – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 Nc6 9. Be3 O-O 10. Rc1 Re8
1964 Amsterdam Interzonal – Round 5 – Evans Lianda – 1/2-1/2 – Lengyel, Laszlo – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Bxc3+ 8. Nxc3 dxc4 9. Bxc4 Nc6 10. Be3 O-O
1964 Capablanca Memorial – Round 7 – Wade, Robert G – 1/2-1/2 – Donner, Jan-Hein – G70 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Ba5 7. cxd5 Nxd5 8. Bd2 cxd4 9. Nxd5 Qxd5 10. Bxa5 Qxa5+
1964 ESP Ch 29th – Round 12 – Saborido Carre, Rafael – 1-0 – Bordell Rosell, Roman – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Ba5 7. d5 exd5 8. cxd5 Ba6 9. Ng3 Bxf1 10. Kxf1 O-O
1964 Tel Aviv olm fin-A – Round 11 – Ghitescu, Theodor – 1/2-1/2 – Pomar Salamanca, Arturo – G232 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Nc6 8. a3 Bxc3+ 9. Nxc3 Ne4 10. Bb5 Qa5
1965 Belgrade – Round 3 – Karaklajic, Nikola – 0-1 – Ostojic, Predrag – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. c5 O-O 9. g3 b6 10. cxb6 Qxb6
1965 Copenhagen – Round 9 – Hamann, Svend – 1-0 – Nielsen, Jorgen G. – G79 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 e5 8. a3 Bxc3+ 9. Nxc3 exd4 10. Qxd4 O-O
1965 Corr – Round ? – Neergaard, Holger – 0-1 – Korning, Peter – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. exd4 Bxc3+ 8. Nxc3 dxc4 9. Bxc4 O-O 10. O-O Nc6
1965 Northern Open – Round 9 – Griffiths, Peter C – 1-0 – Klugman, Reuben – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. exd4 Be7 8. g3 d5 9. cxd5 Nxd5 10. Bg2 Bf6
1965 Rio de Janeiro – Round 1 – Averbakh, Yuri L – 1-0 – Toth, Peter – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Bxc3+ 7. Nxc3 O-O 8. d5 e5 9. e4 Ne8 10. h4 d6
1965 Tallinn ch-URS – Round 10 – Khasin, Abram – 0-1 – Polugaevsky, Lev – G133 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. g3 d5 9. c5 a5 10. Na4 Nfd7
1966 BRA-ch33 – Round 14 – Pimentel, Frederico Guilherme – 0-1 – De Souza Mendes, Joao – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 d6 9. Ng3 Nbd7 10. Be2 a5
1966 Buenos Aires ch-ARG – Round 3 – Acosta Garcia, Rafael Isaac – 1-0 – Behrensen, Jorge – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 b6 7. a3 Be7 8. d5 exd5 9. cxd5 d6 10. Nd4 O-O
1966 La Habana olm fin-A – Round 6 – Ghitescu, Theodor – 1-0 – Bolbochan, J. – G100 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 O-O 8. a3 Bxc3+ 9. Nxc3 b6 10. Be2 a5
1966 Malaga Malaga ESP – Round 10 – Saborido Carre, Rafael – 1/2-1/2 – O'Kelly de Galway, Alberic – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 d6 10. Nd4 Nbd7
1966 Mar del Plata – Round 13 – Pilnik, Herman – 1-0 – Sanguineti, Raúl Carlos – G59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. Ng3 O-O 9. Be3 b6 10. cxd5 Nxd5
1966 Panamerican – Round ? – Alvarez del Monte, Jose – 0-1 – Cuartas, Carlos Enrique – G71 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. exd4 Be7 8. Nf4 O-O 9. cxd5 Nxd5 10. Bd3 Nxf4
1966 Tel Aviv – Round 1 – Gligorić, Svetozar – 1/2-1/2 – Matanovic, Aleksandar – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. Nf4 O-O 9. Be3 Nc6 10. cxd5 Nxd5
1966 US Open – Round 5 – Saidy, Anthony – 1-0 – Goichberg, William – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Nc6 8. a3 Bxc3+ 9. Nxc3 O-O 10. Bg5 e5
1967 Halle zt – Round 4 – Uhlmann, Wolfgang – 1/2-1/2 – Havansi, Erkki E.T. – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Ne4 8. Bd2 Nxd2 9. Qxd2 b6 10. a3 Bxc3
1967 URS Team Ch – Round 1 – Kholmov, Ratmir D – 1-0 – Sardarov, Edward – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 O-O 9. cxd5 exd5 10. Be2 Qe7
1968 Copenhagen ch-DEN – Round 1 – Hvenekilde, Jorgen – 0-1 – Andersen, Borge – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d6 6. Ng3 O-O 7. Be2 Qe7 8. O-O Nc6 9. Bf3 Bxc3 10. bxc3 e5
1968 Kiev (Ukraine) – Round ? – Nikolaevsky, Yuri V – 1-0 – Novopashin, Arkady – G18 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Be7 8. c5 O-O 9. Bf4 b6 10. cxb6 Qxb6
1968 Lugano SUI – Round 10 – Ghitescu, Theodor – 1/2-1/2 – Parma, Bruno – G95 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 dxc4 9. Bxc4 Nc6 10. Be3 O-O
1968 Lugano SUI – Round 4 – Hort, Vlastimil – 1/2-1/2 – Jimenez Zerquera, Eleazar – G72 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Bxc3+ 7. Nxc3 O-O 8. Be2 Bb7 9. O-O d6 10. b4 Nbd7
1968 Monte Carlo – Round 8 – Byrne, Ray – 1/2-1/2 – Damjanovic, Marko – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. exd4 Be7 8. d5 d6 9. Ng3 exd5 10. cxd5 Nbd7
1968 Reggio Emilia – Round 4 – Ghitescu, Theodor – 1/2-1/2 – Damjanovic, Mato – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 O-O 9. cxd5 exd5 10. Be2 Nc6
1968 Solingen – Round 13 – O'Kelly de Galway, Alberic – 1/2-1/2 – Parma, Bruno – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 Bxc3+ 7. Nxc3 cxd4 8. exd4 dxc4 9. Bxc4 Nc6 10. Be3 O-O
1968 USA Open – Round 1 – Saidy, Anthony – 1-0 – Wilkerson, Max B – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 Nc6 9. b5 Ne7 10. Be2 d5
1969 Buesum – Round 11 – Ghitescu, Theodor – 1-0 – Saemisch, Friedrich – G48 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 O-O 9. cxd5 exd5 10. Be2 Be6
1969 Buesum – Round 5 – Ghitescu, Theodor – 1/2-1/2 – Huebner, Robert – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d6 6. a3 Ba5 7. Bd2 O-O 8. Qc2 Nc6 9. dxc5 dxc5 10. Ng3 Ne5
1969 Capablanca Memorial – Round 10 – O'Kelly, Albéric de Galway – 1/2-1/2 – Parma, Bruno – G77 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 O-O 9. Be2 dxc4 10. Qxd8 Rxd8
1969 Capablanca Memorial – Round 9 – Abreu Rodriguez, Juan Luis – 1/2-1/2 – O'Kelly de Galway, Alberic – G66 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 O-O 9. Be2 dxc4 10. Qxd8 Rxd8
1969 FRG Ch – Round 5 – Freise, Helmut – 1-0 – Rellstab, Ludwig – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. c5 Ne4 8. Bd2 Nxd2 9. Qxd2 Nc6 10. a3 Ba5
1969 ISL Ch Reykjavik ISL – Round 8 – Kristinsson, Jon – 0-1 – Olafsson, Fridrik – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 Ne4 6. f3 cxd4 7. exd4 Nxc3 8. bxc3 Be7 9. Ng3 O-O 10. Bd3 Nc6
1969 Palma de Mallorca – Round 10 – Panno, Oscar – 1/2-1/2 – Najdorf, Miguel – G86 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Bxc3+ 8. Nxc3 dxc4 9. Bxc4 Nc6 10. Be3 O-O
1969 Palma de Mallorca – Round 6 – Hort, Vlastimil – 1/2-1/2 – Najdorf, Miguel – G53 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 d5 7. a3 Bxc3+ 8. Nxc3 dxc4 9. Bxc4 Nc6 10. Be3 O-O
1969 Schwerin – Round 10 – Golz, Werner – 0-1 – Espig, Lutz – G78 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 Ne4 6. Bd2 Nxd2 7. Qxd2 cxd4 8. exd4 O-O 9. a3 Be7 10. g3 d6
1969 Venice – Round 15 – Saidy, Anthony – 1-0 – Tatai, Stefano – G91 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 Re8 10. g3 Bc5
1969 Vidmar Memorial – Round 10 – Bajec, Ivo – 0-1 – Damjanovic, Mato – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d5 6. a3 cxd4 7. axb4 dxc3 8. Nxc3 O-O 9. cxd5 exd5 10. Be2 Nc6
1971 Hoogovens – Round 10 – Gligoric, Svetozar – 1-0 – Olafsson, Fridrik – G64 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 Ne4 6. Qc2 cxd4 7. exd4 d5 8. a3 Nxc3 9. Nxc3 Be7 10. cxd5 exd5
1971 Moscow – Round 1 – Petrosian, Tigran V. – 1-0 – Balashov, Yuri S – G77 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 Ne4 7. Bd2 Nxd2 8. Qxd2 d5 9. a3 Be7 10. cxd5 exd5
1971 Moscow – Round 15 – Balashov, Yuri S – 1-0 – Olafsson, Fridrik – G73 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d6 6. a3 Ba5 7. g3 d5 8. dxc5 dxc4 9. Qxd8+ Kxd8 10. Bd2 e5
1971 Moscow – Round 2 – Petrosian, Tigran V. – 1-0 – Balashov, Yuri S – G76 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 Ne4 7. Bd2 Nxd2 8. Qxd2 d5 9. a3 Be7 10. cxd5 exd5
1972 San Antonio – Round ? – Evans, Larry M – 1-0 – Keres, Paul – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 d6 6. a3 Ba5 7. Rb1 Nc6 8. b4 Bc7 9. g3 a5 10. bxc5 dxc5
Amber-rapid 20th 2011 – Round 3 – Gelfand, Boris – 0-1 – Anand, Viswanathan – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Ba5 7. Rb1 Na6 8. g3 Bb7 9. d5 b5 10. Bg2 bxc4
Euwe Memorial 1987 – Round ? – Korchnoi, Viktor – 1/2-1/2 – Van der Wiel, John T.H. – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Ba5 7. Bd2 Ba6 8. Qa4 Bxc3 9. Nxc3 O-O 10. dxc5 bxc5
Investbanka 1997 – Round 4 – Lautier, Joel – 1-0 – Beliavsky, Alexander G – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Ba5 7. Rb1 Na6 8. Qa4 Bb7 9. Bd2 Qe7 10. Ng3 Bxc3
Olympiad 2002 – Round 10 – Babula, Vlastimil – 0-1 – Graf, Adrian – G328 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Ba5 7. Rb1 Na6 8. Bd2 O-O 9. Ng3 Bb7 10. Bd3 d5
Turin ol (Men) 37th 2006 – Round 8 – Illescas Cordoba, Miguel – 1/2-1/2 – Gyimesi, Zoltan – G100 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Ba5 7. Rb1 Na6 8. Ng3 Bb7 9. Bd3 h5 10. d5 exd5
XXIII Rapid KO 2010 – Round 2.4 – Gelfand, Boris – 1-0 – Aronian, Levon – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Ba5 7. Rb1 Na6 8. f3 O-O 9. d5 Nh5 10. g3 f5
XXIII Rapid KO 2010 – Round 2.5 – Gelfand, Boris – 1-0 – Aronian, Levon – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 b6 6. a3 Ba5 7. Rb1 Na6 8. g3 Bb7 9. d5 Ne4 10. Bg2 Bxc3+

E42a —

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Ne2

Eval: [+0.22]

Les coups candidats

5…cxd4 — 54.0% (3251 parties)

Ambassadeurs : Vaisser, Anatoly (21x), Guliev, Sarhan (17x), Browne, Walter Shawn (16x), Yudasin, Leonid (16x), Gligoric, Svetozar (15x), Van der Wiel, John T.H. (15x), Miles, Anthony J (14x), Muir, Andrew J (14x)

5…b6 — 18.0% (1083 parties)

Ambassadeurs : Gyimesi, Zoltan (11x), Psakhis, Lev (10x), Gurevich, Dmitry (9x), Graf, Alexander (8x), Epishin, Vladimir (8x), Peralta, Fernando (8x), Zaja, Ivan (6x), Nguyen, Anh Dung (6x)

5…d5 — 15.2% (913 parties) →

Ambassadeurs : Matanovic, Aleksandar (10x), Hulak, Krunoslav (10x), Andersson, Ulf (7x), Vaisser, Anatoly (7x), Naumkin, Igor (6x), O'Kelly de Galway, Alberic (5x), Ghitescu, Theodor (5x), Botvinnik, Mikhail (4x)

5…O-O — 6.5% (390 parties)

Ambassadeurs : Sitnik, Igor (3x), Gual Pascual, Antonio (3x), Mamedova, R. (3x), Okamura, Milton Kasuo (3x), Lutikov, Anatoly S (2x), Golz, Werner (2x), Saidy, Anthony (2x), Muller, Kaden (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…cxd4	5…b6	5…d5	5…O-O
<1800	57	49%	25%	7%	12%
1800-2200	1210	44%	20%	15%	12%
2200-2600	3529	57%	20%	14%	4%
2600+	197	64%	12%	19%	—

Évolution par décennie (% des parties)

Décennie	N parties	5…cxd4	5…b6	5…d5	5…O-O
1920s	1	100%	—	—	—
1930s	12	75%	—	8%	—
1940s	12	42%	8%	17%	25%
1950s	153	36%	9%	33%	10%
1960s	142	43%	8%	31%	11%
1970s	192	54%	4%	22%	7%
1980s	770	70%	7%	18%	4%
1990s	1347	62%	15%	13%	5%
2000s	1376	53%	21%	14%	7%
2010s	1627	47%	27%	11%	7%
2020s	390	41%	18%	23%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…cxd4	47%	41%	▼ -5.2%
5…b6	27%	18%	▼ -8.9%
5…d5	11%	23%	▲ +12.4%
5…O-O	7%	7%	▼ -0.5%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 9 parties
Kasparov, Garry — 7 parties
Anand, Viswanathan — 7 parties
Botvinnik, Mikhail — 6 parties
Karpov, Aleksandr — 4 parties
Euwe, Max — 2 parties
Tal, Mikhail — 2 parties
Carlsen, Magnus — 2 parties
Smyslov, Vladimir — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

5…cxd4 — 54.0% (3251 parties)

1927 — Baratz, Abraham vs Blondel Bertrand, Henri — 1-0 — Paris FRA
1930 — Rubinstein, Akiba vs Nemethne Takacs, Gyongyi — 1/2-1/2 — Brussels BEL
1930 — Rubinstein, Akiba vs Maroczy, Geza — 1-0 — Hamburg olm
1930 — Rubinstein, Akiba vs Maroczy, Geza — 1-0 — Hamburg GER
1930 — Rubinstein, Akiba vs Ahues, Carl — 0-1 — Liege

5…b6 — 18.0% (1083 parties)

1949 — Nilsson, Zandor vs Nielsen, Axel — 1-0 — Jonkoping
1951 — Fuderer, Andrija vs Goedde, Ernst — 0-1 — Dortmund GER
1952 — Nedeljkovic, Aleksandar vs Germek, Nikolay — 1/2-1/2 — It Belgrade YUG
1952 — O'Kelly, Albéric de Galway vs Puc, Stojan — 1/2-1/2 — Belgrade SRB
1952 — Joyner, Lionel vs Dake, Arthur William — 1-0 — Hollywood

5…d5 — 15.2% (913 parties)

1938 — Landau, Salo vs Michell, Reginald — 1-0 — Hastings ENG
1948 — Kramer, George vs Ulvestad, Olaf — 1/2-1/2 — US op Baltimore, MD USA
1949 — Blanco Cruz, Wara vs Luckis, Marcos — 1/2-1/2 — Mar del Plata ARG
1950 — O'Kelly de Galway, Alberic vs Matanovic, Aleksandar — 1/2-1/2 — Bled SLO
1950 — Fine, Reuben vs Reshevsky, Samuel — 0-1 — New York, NY USA

5…O-O — 6.5% (390 parties)

1948 — Steven, George A vs Abellan Lopez, Antonio — 1-0 — ARG-USA
1949 — Bogoljubow, Efim vs Walther, Edgar — 1-0 — Oldenburg GER
1949 — Evans, Larry vs Koenig, Imre — 1-0 — Hastings ENG
1951 — Andric, Dragoslav vs Puc, Stojan — 1-0 — Ljubljana
1951 — Euwe, Max vs Van Oosterwijk, Bruyn — 1-0 — Utrecht NED

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