E49a — Nimzo-Indian: Botvinnik System

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la case forte b4, un fou actif en d3, la paire de fous et la colonne semi-ouverte b.

Côté adverse. Le fou enfermé en c8.

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

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nf3 (Développer Ng1) ; Bd2 (Développer Bc1) ; Tour sur colonne b.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte e4 et un avant-poste en e4.

Côté adverse. Le pion isolé a3, le fou enfermé en c1 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour a8).

Plans. ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bf5)) ; ...Nbd7 (Développer Nb8) ; ...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	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b4 (2v0)	● e4 (2v1)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (1v0)	● d5 (3v1), ● e4 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● b	—

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bd3	● Bd3 Actif (mob. 8)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	Non
Non développées	4 (g1, c1, a1, h1)	3 (b8, c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Roqué
Droits de roque	O-O / O-O-O	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5, ● e3-e4	● …e6-e5

Partie
1923 Trieste-chB – Round ? – Ferrari, Romeo – 1/2-1/2 – Stalda, Giuseppe – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 d5 6. e3 O-O 7. Bd3 b6 8. Ne2 c5 9. cxd5 exd5 10. O-O Nc6
1934 Hastings3435 – Round 1 – Lilienthal, Andor – 1-0 – Michell, Reginald – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 d5 6. e3 O-O 7. Bd3 b6 8. cxd5 exd5 9. Ne2 Bb7 10. O-O c5
1934 Mar del Plata – Round 7 – Holtey, Guillermo – 0-1 – Concepcion Villegas, Bryan Uriel – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. Nf3 Nbd7 9. cxd5 exd5 10. O-O Re8
1936 Bad Nauheim – Round 9 – Stahlberg, Gideon – 0-1 – Keres, Paul – G38 1. d4 e6 2. c4 Bb4+ 3. Nc3 c5 4. e3 Nf6 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1936 Nottingham – Round 5 – Bogoljubow, Efim – 0-1 – Reshevsky, Samuel – G72 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 d5 7. Bd3 c5 8. cxd5 Qxd5 9. Qf3 Qd8 10. Qe2 Qc7
1937 Hastings3738 – Round 5 – Mikenas, Vladas – 1-0 – Fairhurst, William – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 d5 8. cxd5 Qxd5 9. f3 cxd4 10. cxd4 e5
1937 Kemeri – Round ? – Petrov, Vladimir S. – 1/2-1/2 – Steiner, Endre – G157 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 b6 8. Ne2 Ba6 9. cxd5 exd5 10. Bxa6 Nxa6
1937 Kemeri – Round 1 – Petrov, Vladimirs – 1/2-1/2 – Steiner, Endre – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 b6 8. Ne2 Ba6 9. cxd5 exd5 10. Bxa6 Nxa6
1938 Trade Unions – Round 1 – Gothilf, Solomon Borisovich – 1/2-1/2 – Rovner, Dmitry – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d5 8. Ne2 dxc4 9. Bxc4 Qc7 10. Bd3 e5
1939 Buenos Aires ol prel-B – Round 2 – Castillo Larenas, Mariano – 1/2-1/2 – Eliskases, Erich – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1940 New York ch-USA – Round 2 – Simonson, Albert – 1/2-1/2 – Reshevsky, Samuel – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Bd3 c5 6. Ne2 O-O 7. a3 Bxc3+ 8. bxc3 dxc4 9. Bxc4 Qc7 10. Bd3 e5
1941 GER Ch Bad Oeynhausen GER – Round 14 – Palme, Rudolf – 1/2-1/2 – Mueller, Hans – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. Ne2 Nc6 9. cxd5 Qxd5 10. O-O e5
1941 Mar del Plata – Round 8 – Stahlberg, Gideon – 1-0 – Bolbochan, J. – G66 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Ne2 c4 10. Bc2 Nc6
1941 Ventnor City – Round 5 – Durkin, Robert – 1/2-1/2 – Bernstein, Sidney – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 d5 8. Ne2 Nc6 9. cxd5 exd5 10. O-O Re8
1942 USA Ch – Round 1 – Reshevsky, Samuel – 1-0 – Levin Astorga, Nicolas Daniel – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d5 8. cxd5 Qxd5 9. Nf3 b6 10. Qe2 Bb7
1942 USA Ch – Round 6 – Reshevsky, Samuel – 1-0 – Denker, Arnold S – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d5 8. cxd5 Qxd5 9. Nf3 cxd4 10. exd4 b6
1943 UJCS-17.Kongress – Round 10 – Dobias, Josef – 0-1 – Prucha, Karel – G48 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 Nbd7 8. Ne2 dxc4 9. Bxc4 e5 10. O-O Nb6
1943 Ventnor City – Round 4 – Hanauer, Anthony – 1/2-1/2 – Shainswit, George – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 d5 8. Ne2 Qc7 9. cxd5 exd5 10. O-O b6
1944 Moskou ch-URS – Round 1 – Kotov Lundqvist, Alex – 1-0 – Lilienthal, Andor – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 e5 8. Ne2 e4 9. Bc2 dxc4 10. Ng3 Re8
1944 Moskou ch-URS – Round 1 – Mikenas, Vladas – 1-0 – Ragozin, Viacheslav – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 c5 8. Ne2 b6 9. O-O Ba6 10. cxd5 Qxd5
1944 New York ch-USA – Round 13 – Denker, Arnold S – 1-0 – Pinkus, Albert – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 e5 10. O-O Nc6
1945 Moscow Ch – Round 1 – Lilienthal, Andor – 1-0 – Aramanovich, I – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 b6 8. cxd5 exd5 9. Ne2 Ba6 10. Bxa6 Nxa6
1945 URS-sf – Round 11 – Liublinsky, Victor – 0-1 – Baturinsky, Victor – G48 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 e5 9. Ne2 Nbd7 10. O-O c5
1946 Buenos Aires ch-ARG – Round 1 – Bolbochan, J. – 1-0 – Cruz Garibaldi, Milton Esteban – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Bd3 e5
1946 ENG-URS radio – Round 1 – Botvinnik, Mikhail – 1-0 – Alexander Ronald Cheng – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 exd5 8. Bd3 O-O 9. Ne2 b6 10. a4 Ba6
1946 ENG-URS radio – Round 1 – Lilienthal, Andor – 1-0 – Wood, Beau – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 O-O 7. cxd5 exd5 8. Bd3 c5 9. Ne2 Qa5 10. O-O cxd4
1946 Groningen – Round 11 – Euwe, Max – 1-0 – Denker, Arnold S – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 exd5 8. Bd3 O-O 9. Ne2 b6 10. a4 Ba6
1946 Groningen – Round 9 – Euwe, Max – 1-0 – Steiner, Heinrich Jun. – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 Nbd7 8. cxd5 exd5 9. Ne2 Re8 10. O-O Nf8
1946 Hungary – Round 1 – Szilagyi, Gyorgy Laszlo – 1-0 – Kluger, Gyula – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 O-O 8. Ne2 Qc7 9. cxd5 exd5 10. O-O c4
1946 JUG Ch – Round 17 – Bozic, Aleksandar – 1-0 – Simonovic, Borko – G48 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Ne2 c4 10. Bc2 Bg4
1946 Moscow USSR-USA – Round 1 – Lilienthal, Andor – 1/2-1/2 – Dake, Arthur William – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 d5 7. cxd5 exd5 8. Bd3 c5 9. Ne2 Nbd7 10. a4 Re8
1946 Moscow-Prague – Round 12 – Lilienthal, Andor – 1-0 – Kottnauer, Cenek – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 d5 8. cxd5 Qxd5 9. Nf3 Nc6 10. e4 Nxe4
1946 New York ch-USA – Round 1 – Kashdan, Isaac – 1-0 – Steiner, Heinrich Jun. – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Ne2 Nc6 10. O-O Re8
1946 New York ch-USA – Round 1 – Reshevsky, Samuel – 1-0 – Steiner, Heinrich Jun. – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 c5 8. cxd5 exd5 9. Ne2 Nc6 10. f3 Re8
1946 Staunton Memorial – Round 5 – Kotov Lundqvist, Alex – 1/2-1/2 – Yanofsky, Daniel Abraham – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d5 8. cxd5 Qxd5 9. Nf3 cxd4 10. exd4 Nbd7
1946 Treybal Memorial – Round 12 – Gligorić, Svetozar – 0-1 – Zíta, František – G66 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 c5 8. Ne2 dxc4 9. Bxc4 b6 10. O-O Ba6
1946 Treybal Memorial – Round 7 – Sajtar, Jaroslav – 1-0 – Kottnauer, Cenek – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 d5 8. cxd5 exd5 9. Ne2 b6 10. a4 Ba6
1946 URS-USA – Round 1 – Botvinnik, Mikhail – 1/2-1/2 – Reshevsky, Samuel – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 d5 8. Ne2 dxc4 9. Bxc4 Nc6 10. a4 Qc7
1946 USA Ch New York, NY USA – Round 1 – Denker, Arnold S – 1-0 – Kowalski, Stefan – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 d5 6. cxd5 exd5 7. e3 O-O 8. Bd3 c5 9. Ne2 Nbd7 10. O-O b6
1947 Leningrad ch-URS – Round 3 – Ufimtsev, Anatoly – 0-1 – Keres, Paul – G50 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 c5 7. Bd3 d5 8. Nf3 dxc4 9. Bxc4 Qc7 10. Be2 b6
1947 Vienna SCHLECHTER-mem – Round 5 – Kottnauer, Cenek – 1/2-1/2 – Gruenfeld, Ernst – G11 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1948 Bad Nauheim – Round 1 – Roehrich, Erwin – 0-1 – Rellstab, Ludwig – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 d5 6. e3 c5 7. cxd5 exd5 8. Bd3 O-O 9. Ne2 cxd4 10. cxd4 Nc6
1948 Bad Nauheim – Round 7 – Roehrich, Erwin – 0-1 – Rautenberg, Wilhelm – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 d5 6. e3 c5 7. cxd5 exd5 8. Bd3 O-O 9. f3 b6 10. Ne2 Ba6
1948 Budapest – Round 2 – Gligorić, Svetozar – 1-0 – Benko, Pal – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1948 Karlovy Vary – Round 16 – Pirc, Vasja – 1-0 – Zita, Filip – G151 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 exd5 8. Bd3 O-O 9. Ne2 Nc6 10. O-O Qd6
1948 Moskou ch-URS – Round 11 – Kotov Lundqvist, Alex – 1/2-1/2 – Furman, Slavomir – G97 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1948 Moskou ch-URS – Round 19 – Ragozin, Viacheslav – 1/2-1/2 – Taimanov, Mark E – G158 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1948 New York – Round 4 – Steiner, Heinrich Jun. – 0-1 – Kashdan, Isaac – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 d5 7. Bd3 c5 8. Ne2 Qc7 9. cxd5 exd5 10. O-O Nc6
1949 Budapest-Moscow – Round 11 – Lilienthal, Andor – 1/2-1/2 – Benko, Pal – G81 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1949 Budapest-Moscow – Round 2 – Kotov Lundqvist, Alex – 1/2-1/2 – Benko, Pal – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1949 BUL Ch – Round 2 – Piskov, Kamen Penev – 1-0 – Bobotsov, Milko G – G7 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 Nbd7 8. f4 dxc4 9. Bxc4 Ne4 10. Bd3 Qh4+
1949 Leningrad – Round 11 – Koblencs, Alexander – 1/2-1/2 – Bondarevsky, Igor – G80 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Bd3 Nc6
1949 Moscow Ch – Round ? – Fridstein, German – 1/2-1/2 – Averbakh, Yuri L – G45 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 b6 8. cxd5 exd5 9. Ne2 c5 10. O-O Ba6
1949 Moscow Ch – Round ? – Fridstein, German – 1/2-1/2 – Steinsapir, Yury – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Bd3 b6
1949 Moscow Ch – Round 1 – Lilienthal, Andor – 1/2-1/2 – Abramov, Lev – G3 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. e3 Nf6 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 exd5 8. Bd3 O-O 9. Ne2 Nc6 10. O-O c4
1949 Moskou ch-URS – Round 1 – Furman, Slavomir – 1-0 – Lilienthal, Andor – G60 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1949 URS Ch, semi final – Round 12 – Vistaneckis, Isakas – 0-1 – Furman, Slavomir – G89 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Ba2 b6
1950 Dubrovnik olm – Round 14 – Enevoldsen, Harald – 1/2-1/2 – Johansson, Ingemar 1966 – G208 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 d5 6. e3 O-O 7. Bd3 b6 8. cxd5 exd5 9. Ne2 Nbd7 10. O-O Re8
1950 Dubrovnik olm – Round 9 – Ojanen, Kaarle S – 0-1 – Bolbochan, J. – G122 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Ba2 Rd8
1950 Hoogovens – Round ? – Hugot, Claude – 0-1 – Donner, Jan-Hein – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Bd3 b6
1950 Mar del Plata – Round 15 – Sanguinetti, Ricardo – 0-1 – Rossolimo, Nicolas – G123 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Qd3 Nc6
1950 Schiavno Zdroj – Round 1 – Arlamowski, Lara – 1-0 – Pogats, Jozsef Jr. – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Qc2 b6
1950 Schiavno Zdroj – Round 1 – Bondarevsky, Igor – 1-0 – Pogats, Jozsef Jr. – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Ba2 b6
1950 Schiavno Zdroj – Round 1 – Szabo, Ladislav – 1-0 – Pytlakowski, Andrzej – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1950 Sorrento ch ITA – Round 7 – Porreca, Giorgio – 1-0 – Napolitano, Mario – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 b6 8. cxd5 exd5 9. Ne2 Ba6 10. O-O Bxd3
1950 URS Ch sf – Round ? – Moiseev, Oleg – 1-0 – Poliak, Abram – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Ne2 Qc7 10. O-O b6
1950 URS Ch sf – Round 14 – Lisitsin, Georgy – 1-0 – Kan, Ilya A – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 d5 8. cxd5 Qxd5 9. Nf3 Nbd7 10. Qe2 Qc6
1950 Wch women – Round ? – Chaude de Silans, Chantal – 1-0 – Keller-Hermann, Edith – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Bd3 b6
1951 Buenos Aires – Round 10 – Agramunt Huguet, Joaquin – 1/2-1/2 – Alonso-Lej De Las Casas, Fernando – G62 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 d5 7. Bd3 dxc4 8. Bxc4 O-O 9. Ne2 Qc7 10. Bd3 Nc6
1951 DDR Ch – Round 10 – Mueller, Claus – 0-1 – Platz, Hans – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Ba2 b6
1951 DDR Ch – Round 13 – Schlieder, Rolf – 0-1 – Ruppe, Otto – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Ne2 d5 7. cxd5 exd5 8. a3 Bxc3+ 9. bxc3 b6 10. O-O Bb7
1951 Madrid ESP – Round 9 – Steiner, Herman – 1-0 – Perez Perez, Francisco Jose – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 d5 7. Bd3 dxc4 8. Bxc4 c5 9. Ne2 b6 10. O-O Bb7
1951 URS Ch sf Leningrad RUS – Round 18 – Moiseev, Oleg – 1-0 – Bondarevsky, Igor – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Bd3 Qc7 10. Ne2 e5
1951 YUG Ch 6th – Round 12 – Andric, Dragoslav – 0-1 – Majstorovic, Ljubomir – G67 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 e5 8. Ne2 e4 9. Bc2 dxc4 10. Ng3 Bg4
1951 YUG Ch 6th – Round 7 – Andric, Dragoslav – 0-1 – Karaklajic, Nikola – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 e5 8. Ne2 e4 9. Bc2 dxc4 10. Ng3 Re8
1952 Budapest – Round 13 – Botvinnik, Mikhail – 1/2-1/2 – Barcza, Gedeon – G116 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Bb2 Qa5 10. Nf3 cxd4
1952 Budapest – Round 14 – Petrosian, Tigran A. – 1-0 – Troianescu, Octav – G125 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Ne2 Re8 10. O-O Nc6
1952 Helsinki olm – Round 1 – Aleman Dovo, Miguel – 0-1 – Enevoldsen, Jens – G72 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 d5 8. cxd5 exd5 9. Ne2 Nc6 10. O-O Re8
1952 Hollywood – Round 5 – Joyner, Lionel – 1-0 – Kashdan, Isaac – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Ne2 d5 7. cxd5 exd5 8. a3 Bxc3+ 9. bxc3 Re8 10. O-O Nc6
1952 Hoogovens – Round 5 – Donner, Jan-Hein – 0-1 – O'Kelly, Albéric de Galway – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Bd3 Rd8
1952 ITA-ch15 – Round 9 – Magrin, Antonio – 1-0 – Baldanello Mario – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Qb3 Nc6
1952 JUG Ch – Round 4 – Matanovic, Aleksandar – 1/2-1/2 – Djurasevic, Bozidar – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 e5 10. O-O Nc6
1952 JUG Ch – Round 5 – Fuderer, Andrija – 1-0 – Krzisnik, Zvonko – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Qe2 Nbd7
1952 Mar del Plata – Round 4 – Letelier Martner, Rene – 1/2-1/2 – Wexler, Bernardo – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 O-O 9. Ne2 Qc7 10. Bd3 Nc6
1952 Miedzyzdroje – Round 17 – Gawlikowski, Stanislaw – 1-0 – Koch, Berthold – G106 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 c5 7. Bd3 d5 8. cxd5 exd5 9. Ne2 Nc6 10. O-O c4
1952 POL-ch10 – Round 1 – Witkowski, Stefan – 0-1 – Pytlakowski, Andrzej – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1952 POL-ch10 – Round 12 – Witkowski, Stefan – 1/2-1/2 – Gadalinski, Jan – G88 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Nbd7 10. f4 b6
1952 POL-ch10 – Round 8 – Sliwa, Bogdan – 1-0 – Gadalinski, Jan – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 Nxd5 9. Ne2 Nd7 10. e4 Ne7
1952 Saltsjobaden Interzonal – Round 20 – Averbakh, Yuri L – 1-0 – Golombek, Harry – G183 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1952 Saltsjobaden Interzonal – Round 7 – Kotov Lundqvist, Alex – 1-0 – Unzicker, Wolfgang – G60 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 exd5 8. Bd3 O-O 9. Ne2 b6 10. O-O Ba6
1952 URS Ch sf – Round ? – Kots, Yuri I – 0-1 – Sopkov – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Ne2 c5 7. cxd5 exd5 8. a3 Bxc3+ 9. bxc3 Bg4 10. f3 Bh5
1953 Hollywood Invitational – Round ? – Spiller, Arthur R – 0-1 – Kashdan, Isaac – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 d5 8. cxd5 exd5 9. Ne2 Nc6 10. O-O Re8
1953 Venice – Round ? – Van Scheltinga, Theo – 1/2-1/2 – Szabados, Eugenio – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 d5 8. cxd5 exd5 9. Ne2 c4 10. Bc2 Nc6
1953 Wch-jr prelim – Round 8 – Olafsson, Fridrik – 1-0 – Keller, Dieter – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 exd5 8. Bd3 O-O 9. Ne2 b6 10. O-O Ba6
1954 Olympiad prel IV – Round 1 – De Greif, Boris – 0-1 – Kluger, Gyula – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1954 Prague zt Prague CZE – Round 6 – Balanel, Ion – 1-0 – Palmason, Gudmundur – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d5 8. cxd5 exd5 9. Ne2 Re8 10. f3 b6
1954 Stockholm – Round 1 – Petrosian, Tigran A. – 1/2-1/2 – Goode, Royal – G1 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Nc6
1954 URS Team Ch – Round 1 – Pasman Marks – 0-1 – Rovner, Dmitry – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. Ne2 dxc4 9. Bxc4 Qc7 10. Ba2 b6
1955 Argentina – Round 14 – Sanguinetti, Renato – 0-1 – Wexler, Bernardo – G100 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 e5 8. cxd5 Qxd5 9. f3 exd4 10. cxd4 c5
1955 Gothenburg Interzonal – Round 18 – Petrosian, Tigran V – 1/2-1/2 – Unzicker, Wolfgang – G169 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Qc2 b6
1955 Hamburg – Round 15 – Prins, Laura – 0-1 – Darga, Klaus – G112 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 O-O 9. Nf3 Qc7 10. Qe2 cxd4
1955 Hamburg – Round 2 – Darga, Klaus – 1-0 – Pfeiffer, Gerhard – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1955 Moskou ch-URS – Round 12 – Botvinnik, Mikhail – 1-0 – Furman, Slavomir – G132 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Bb2 Nc6 10. Nf3 Qc7
1955 Poland ch13 – Round 15 – Sliwa, Bogdan – 0-1 – Bratoszewski, Jerzy – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 d5 8. cxd5 Nxd5 9. Qc2 h6 10. Nf3 Qc7
1956 CSR Ch sf Bratislava SVK – Round 12 – Skacel, Jan – 1/2-1/2 – Blatny, Frantisek – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. Ne2 Nbd7 9. O-O b6 10. cxd5 exd5
1956 Leningrad ch-URS – Round 1 – Polugaevsky, Lev – 1-0 – Bannik, Anatolij – G52 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 dxc4 7. Bxc4 Bxc3+ 8. bxc3 c5 9. Ne2 Qc7 10. Bd3 b6
1956 Moscow olm fin-A – Round 6 – Jezek, Jaroslav – 1-0 – Oren, Menachem – G93 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 O-O 7. cxd5 exd5 8. Bd3 c5 9. Ne2 b6 10. O-O Ba6
1956 Moscow olm fin-B – Round 6 – Johannessen, Simon T – 1-0 – Gislason, Sigurdur – G62 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 d5 8. cxd5 exd5 9. Ne2 c4 10. Bc2 Nc6
1956 Moscow olm prel – Round 3 – Jezek, Jaroslav – 1-0 – Lotfy, Abdel Rahman – G84 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 d5 8. cxd5 Qxd5 9. Nf3 c4 10. Bc2 b5
1957 Clare Benedict Cup 04th – Round 2 – Porreca, Giorgio – 0-1 – Unzicker, Wolfgang – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Qd3 Nc6
1957 Dallas – Round 1 – Kjaer Larsen, Maximillian C – 0-1 – Olafsson, Fridrik – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 dxc4 7. Bxc4 Bxc3+ 8. bxc3 c5 9. Ne2 Qc7 10. Bd3 e5
1957 Hoogovens – Round 4 – Toran Albero, Roman – 1/2-1/2 – Bink, Johan – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Bd3 e5
1957 Leningrad Ch – Round 11 – Shamkovich, Leonid – 1-0 – Tolush, Alexander V – G82 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d5 8. cxd5 Qxd5 9. Qf3 cxd4 10. Qxd5 exd5
1957 POL Ch 15th – Round 3 – Szukszta, Janus – 1/2-1/2 – Gabrys, Zygmunt – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 exd5 8. Bd3 O-O 9. Ne2 Re8 10. O-O c4
1957 Sofia zt Sofia BUL – Round 1 – Mititelu, Gheorghe – 1/2-1/2 – Neikirkh, Oleg – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Ba2 e5
1957 WchT U26 04th – Round 13.3 – Abarca Benites, Isaac Alejandro – 0-1 – Forintos, Gyozo V – G168 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 b6 8. Nf3 Nc6 9. O-O Bb7 10. cxd5 exd5
1958 Hamburg Ch – Round 5 – Rellstab, Ludwig Sr – 1-0 – Clemens, Christian, Dr. – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 b6 10. O-O Ba6
1958 Munich olm fin-A – Round 2 – Botvinnik, Mikhail – 1/2-1/2 – Unzicker, Wolfgang – G10 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Bb2 Qc7 10. Be2 b6
1960 BRA-ch27 – Round 11 – Camara Ronald – 1-0 – De Souza Mendes, Joao – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Ne2 Nc6 10. O-O Re8
1960 CSR Ch – Round 6 – Kupka, Slavoj – 0-1 – Vesely, Jiri – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 e5 8. cxd5 e4 9. Bb1 Qxd5 10. Ne2 b6
1960 Leipzig olm prel – Round 3 – Toran Albero, Roman – 1-0 – O'Hare, Eugene – G85 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d5 8. cxd5 exd5 9. Ne2 Bd7 10. O-O Bc6
1960 Leningrad tt – Round 7 – Bertholdt, Dieter – 0-1 – Nikitin, Aleksander S – G91 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Bd3 e5
1961 CSR Ch – Round 12 – Trapl, Jindrich – 1-0 – Florian, Jaromir – G114 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 d5 8. cxd5 exd5 9. Ne2 Qc7 10. f3 Re8
1961 CSR Ch sf – Round 1 – Malcanek, Oldrich – 1/2-1/2 – Vesely, Jiri – G1 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Qc2 b6
1961 ROM Ch – Round 18 – Mititelu, Gheorghe – 1/2-1/2 – Partos, Charles – G114 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 exd5 8. Bd3 O-O 9. Ne2 Nc6 10. O-O b6
1962 Bucharest – Round 1 – Mititelu, Gheorghe – 1/2-1/2 – Kholmov, Ratmir D – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 e5 10. O-O Nc6
1962 Mar del Plata – Round 3 – Letelier Martner, Rene – 1/2-1/2 – Eliskases, Erich – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Qc2 b6
1962 Sarajevo – Round 9 – Gligorić, Svetozar – 1-0 – Rejfir, Josef – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 Qc7 10. Be2 Nbd7
1962 Varna olm – Round 8 – Minev, Nikolay N – 1-0 – Abdel Mohsen Ammar, Mohamed – G346 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Ne2 Nc6 10. O-O c4
1963 Leningrad ch-URS – Round 1 – Furman, Slavomir – 1/2-1/2 – Kholmov, Ratmir D – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 e5 8. cxd5 Qxd5 9. f3 exd4 10. cxd4 c5
1963 Sverdlovsk – Round ? – Birbrager, Isaak – 0-1 – Uusi, Gunnar – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 Nc6 9. Ne2 e5 10. O-O e4
1964 BRA Ch – Round 11 – Camara, Helder – 1-0 – De Freitas, Marcio Elisio – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1965 Santiago Santiago de Chile – Round 1 – Acosta Cuellar, Juan Martin – 0-1 – Bielicki, Carlos – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 dxc4 7. Bxc4 Bxc3+ 8. bxc3 c5 9. Ne2 Qc7 10. Ba2 b6
1965 Tbilisi – Round 1 – Dzindzichashvili, Roman – 1-0 – Zaitsev, Igor A – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 b6 8. Nf3 Bb7 9. cxd5 exd5 10. O-O c5
1965 URS-ch33 Tallinn EST – Round 1 – Furman, Slavomir – 1-0 – Khasin, A. – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Nf3 b6 10. O-O Bb7
1966 Belgrade – Round 1 – Rajkovic, Dusan – 1-0 – Barcza, Gedeon – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 exd5 8. Bd3 O-O 9. Ne2 b6 10. O-O Ba6
1966 Hastings6667 – Round 6 – Botvinnik, Mikhail – 1-0 – Kurajica, Bojan – G27 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. cxd5 exd5 9. Ne2 b6 10. O-O cxd4
1966 La Habana olm fin-C – Round 7 – Yepez, Olavo – 1/2-1/2 – Alvarez del Monte, Jose – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1967 Buenos Aires VC Ch – Round 4 – Riveiro, Jorge – 1/2-1/2 – Morgado, Juan Sebastian – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Nc6
1967 Capablanca Memorial – Round 18 – Garcia Martinez, Salomon – 1/2-1/2 – Pachman, Ludek – G159 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 e5 10. O-O Nc6
1967 HUN Ch Budapest HUN – Round 2 – Toth, Bela – 0-1 – Csom, Istvan – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1967 Sofia tt – Round 4 – Trikaliotis, Georgios – 1/2-1/2 – Kolarov, Atanas Stefanov – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Bd3 Nc6
1968 Alma Ata ch-URS – Round 10 – Lein, Anatoly – 1-0 – Platonov, Igor V – G93 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Bd3 Qc7 10. Ne2 Nbd7
1968 Budapest – Round ? – Toth, Bela – 1-0 – Kovacs, MG. – G86 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 d5 6. e3 O-O 7. cxd5 exd5 8. Bd3 c5 9. Ne2 b6 10. O-O Ba6
1968 Budapest – Round 1 – Toth, Bela – 1-0 – Kovacs, Gabor – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 d5 6. e3 O-O 7. cxd5 exd5 8. Bd3 c5 9. Ne2 b6 10. O-O Ba6
1968 Hungary – Round 10 – Szabo, Ladislav – 1-0 – Barcza, Gedeon – G25 1. d4 e6 2. c4 Bb4+ 3. Nc3 c5 4. a3 Bxc3+ 5. bxc3 d5 6. e3 Nf6 7. cxd5 exd5 8. Bd3 O-O 9. Ne2 b6 10. O-O Ba6
1969 Sarajevo – Round 10 – Gligorić, Svetozar – 1/2-1/2 – Damjanovic, Mato – G69 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 O-O 7. cxd5 exd5 8. Bd3 c5 9. Ne2 b6 10. O-O Ba6
1970 Palma de Mallorca Interzonal – Round 11 – Addison, William G – 1/2-1/2 – Reshevsky, Samuel – G96 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Bb2 Nc6 10. Nf3 Qc7
1970 Vinkovci – Round 11 – Tomic, Dragoslav – 0-1 – Szabo, Laszlo – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1970 Vinkovci – Round 11 – Tomic, Maja – 0-1 – Szabo, Laszlo – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d5 8. cxd5 exd5 9. Ne2 b6 10. O-O Ba6
1975 URS Team Ch – Round 3 – Begun, Sergei M – 1-0 – Ballyev – G126 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 O-O 7. cxd5 exd5 8. Bd3 c5 9. Ne2 c4 10. Bb1 Nc6
43. Olympiad 2018 – Round 9.8 – Hamitevici, Vladimir – 1/2-1/2 – L'Ami, Erwin – G620 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c6 8. Ne2 b6 9. cxd5 cxd5 10. f3 Bb7
GCT Blitz Paris 2021 – Round 16.5 – So, Wesley – 1-0 – Firouzja, Alireza – G78 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c6 8. Ne2 b6 9. cxd5 cxd5 10. f3 Ba6
Manila Interzonal 1990 – Round 1 – Rechlis, Gad – 1/2-1/2 – Sax, Gyula – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 e5 8. dxe5 dxc4 9. exf6 Qxd3 10. Qxd3 cxd3
World Blitz 2017 – Round 11.15 – Korobov, Anton – 1-0 – Socko, Bartosz – G556 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 b6 8. Ne2 Ba6 9. cxd5 exd5 10. O-O c5
World Blitz 2023 – Round 8.24 – Ponomariov, Ruslan – 1-0 – Bocharov, Dmitry – G461 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c6 8. a4 e5 9. dxe5 dxc4 10. exf6 Qxd3
World Rapid 2021 – Round 4.11 – Sarana, Alexey – 1/2-1/2 – Cheparinov, Ivan – G200 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c6 8. a4 b6 9. Ba3 Re8 10. Nf3 Ba6

E49a — Botvinnik System

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.a3 Bxc3+ 7.bxc3

Eval: [-0.02]

Les coups candidats

7…dxc4 — 66.2% (1765 parties) →

Ambassadeurs : Milov, Vadim (26x), Levitt, Jonathan P (14x), Sarana, Alexey (13x), Gulko, Boris (10x), Kozak, Adam (10x), Hoi, Carsten (9x), Grebnev, Aleksey (9x), Tudor, Henry Edward (9x)

7…c5 — 20.4% (543 parties) →

Ambassadeurs : Jelen, Igor (6x), Milov, Vadim (4x), Gerzhoy, Leonid (4x), Steiner, Heinrich Jun. (3x), Hoi, Carsten (3x), Dumitrache, Dragos-Nicolae (3x), Gulko, Boris (3x), Szabo, Zsolt (3x)

7…b6 — 6.8% (181 parties)

Ambassadeurs : Lilienthal, Andor (2x), Steiner, Endre (2x), Knechtel, Roland (2x), Gulko, Boris (2x), Sundararajan, Kidambi (2x), Liutsko, Igor (2x), Malicka, Maria (2x), Mukhit, Aisezym (2x)

7…c6 — 3.5% (93 parties)

Ambassadeurs : Bocharov, Dmitry (5x), Lobanov, Sergei (4x), Ibragimov, Ildar (3x), L'Ami, Erwin (3x), Bischoff, Klaus (2x), Rausis, Igors (2x), Hou, Yifan (2x), Sokolov, Ivan (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…dxc4	7…c5	7…b6	7…c6
<1800	31	58%	19%	13%	—
1800-2200	477	58%	25%	11%	1%
2200-2600	1610	71%	19%	5%	4%
2600+	200	83%	7%	2%	8%

Évolution par décennie (% des parties)

Décennie	N parties	7…dxc4	7…c5	7…b6	7…c6
1920s	1	—	—	100%	—
1930s	9	11%	44%	33%	—
1940s	37	24%	51%	8%	—
1950s	68	50%	32%	6%	—
1960s	40	42%	40%	10%	—
1970s	58	62%	21%	12%	—
1980s	86	65%	26%	5%	1%
1990s	283	57%	26%	9%	3%
2000s	359	57%	28%	8%	1%
2010s	575	58%	24%	10%	4%
2020s	1152	79%	12%	4%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…dxc4	58%	79%	▲ +20.7%
7…c5	24%	12%	▼ -12.5%
7…b6	10%	4%	▼ -6.7%
7…c6	4%	5%	▲ +0.6%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 4 parties
Carlsen, Magnus — 3 parties
Gukesh D — 3 parties
Ju, Wenjun — 3 parties
Hou, Yifan — 2 parties
Euwe, Max — 1 partie
Karpov, Anatoly — 1 partie
Karpov, Aleksandr — 1 partie
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie

Parties historiques

7…dxc4 — 66.2% (1765 parties)

1939 — Olivera, Alfredo vs Valdes Zavala, Lorenzo — 1-0 — Buenos Aires ol pr-B
1944 — Denker, Arnold S vs Pinkus, Albert — 1-0 — New York ch-USA
1945 — Liublinsky, Victor vs Baturinsky, Victor — 0-1 — Moscow RUS
1946 — Bolbochan, J. vs Cruz Garibaldi, Milton Esteban — 1-0 — Buenos Aires ch-ARG
1949 — Goldberg, Gavriel vs Liskov, I. — 1-0 — Moscow RUS

7…c5 — 20.4% (543 parties)

1931 — Erdelyi, Stefan vs Matisons, Hermanis — 1-0 — Prague CZE
1934 — Holtey, Guillermo vs Concepcion Villegas, Bryan Uriel — 0-1 — Mar del Plata ARG
1936 — Bogoljubow, Efim vs Reshevsky, Samuel — 0-1 — Nottingham ENG
1938 — Sorli, Joze vs Nedeljkovic, Aleksandar — 0-1 — Ljubljana
1940 — Gligoric, Svetozar vs Atijas, M — 1-0 — Belgrado

7…b6 — 6.8% (181 parties)

1923 — Ferrari, Romeo vs Stalda, Giuseppe — 1/2-1/2 — Trieste
1934 — Lilienthal, Andor vs Michell, Reginald — 1-0 — Hastings ENG
1937 — Petrov, Vladimir S. vs Steiner, Endre — 1/2-1/2 — Kemeri LAT
1937 — Petrov, Vladimirs vs Steiner, Endre — 1/2-1/2 — Kemeri LAT
1945 — Lilienthal, Andor vs Aramanovich, I — 1-0 — Moscow RUS

7…c6 — 3.5% (93 parties)

1987 — Rimpineva, Eino vs Huttunen Yrjo — 1/2-1/2 — ?
1990 — Hallila, Andrew Allan vs Ylijoki — 0-1 — corr ch-SF jr
1995 — Ramos Bonilla, Ibsen vs Noakes, Garth — 1-0 — CompuServe email
1996 — Ibragimov, Ildar vs Bischoff, Klaus — 1/2-1/2 — Linares open
1996 — Milov, Vadim vs Rozentalis, Eduardas — 0-1 — Liechtenstein

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