D93d — Gruenfeld: 5.Bf4 O-O 6.e3 c6 7.Qb3

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.e3 c6 7.Qb3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Be2 (Développer f1 — 19 % des parties) ; Nd2 (17 % des parties) ; Bd3 (Fou actif (mobilité 7), Développer f1 — 12 % des parties) ; cxd5 (Capture en d5, Occuper le centre — 9 % des parties) ; h3 (Empêcher ...Bg4 — 8 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Qa5 (Contrôle diagonale a5-e1 — 37 % des parties) ; ...e6 (Poussée — 21 % des parties) ; ...dxc4 (Capture en c4, Frapper le centre adverse — 18 % des parties) ; ...b6 (Préparer le fianchetto — 8 % des parties) ; ...Qb6 (6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● c6→d5, b7→c6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (3v0), ● g5 (2v0)	● e4 (2v1), ● g4 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (3v0)	● d5 (3v2), ● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 2)
Bf4	● Bf4 Actif (mob. 7)
Bg7		● Bg7 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (● f1, ● 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	● e3-e4	● …c6-c5, ● …e7-e5

Partie
1912 It (Men) Bad Pistyan CZE – Round 1 – Leonhardt, Paul – 1-0 – Cohn, Erich – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 Qa5 8. Nd2 Nbd7 9. Be2 Nh5 10. Bxh5 dxc4
1930 Hastings 3031 – Round 5 – Euwe, Max – 1-0 – Tylor, Theodore Henry – G8 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 a5 8. Ne5 e6 9. Be2 Nbd7 10. c5 Nxe5
1934 Leningrad ch-URS – Round 1 – Alatortsev, Vladimir N. – 1-0 – Freiman, Sergey Nikolaevich – G87 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 e6 8. h3 Nbd7 9. cxd5 exd5 10. Be2 Re8
1934 Leningrad ch-URS – Round 1 – Veresov, Gavriil – 0-1 – Alatortsev, Vladimir N. – G86 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 Qa5 8. Nd2 Nbd7 9. Be2 Re8 10. O-O e6
1935 Moskou – Round 7 – Lisitsin, Georgy – 1/2-1/2 – Romanovsky, Pjotr – G45 1. Nf3 Nf6 2. c4 g6 3. d4 d5 4. Nc3 Bg7 5. Bf4 O-O 6. e3 c6 7. Qb3 Qa5 8. Nd2 Nbd7 9. Be2 Re8 10. cxd5 Nxd5
1935 Warszawa ol – Round 12 – Solin, Ilmari – 1/2-1/2 – Alexander, Conol Hugh – G11 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 c6 6. e3 O-O 7. Qb3 e6 8. Rd1 Qe7 9. h3 Nbd7 10. Bd3 Nh5
1936 Hastings3637 – Round 1 – Vidmar, Marjeta – 1-0 – Koltanowski, George – G4 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 h6 8. Bd3 dxc4 9. Bxc4 b5 10. Be2 Be6
1936 Munich ol (Men) – Round 12 – Moller, Baldur Helgi – 1/2-1/2 – Havasi, Kornel – G31 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 c6 5. e3 Bg7 6. Qb3 O-O 7. Nf3 b6 8. cxd5 cxd5 9. Bd3 Bb7 10. O-O Nc6
1936 Olympiad (unofficial) – Round 19 – De Groot, Adriaan – 0-1 – Richter, Emil – G125 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 Qa5 8. Be2 dxc4 9. Qxc4 b5 10. b4 Qd8
1936 Trade Unions – Round 1 – Rudakovsky, Iosif – 1/2-1/2 – Yudovich, Mikhail M – G12 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 e6 8. Be2 Qe7 9. Ne5 Nfd7 10. O-O dxc4
1936 Trebitsch mem19 – Round 3 – Rubinstein, Simon – 1-0 – Lokvenc, Josef – G10 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 c6 5. Nf3 Bg7 6. Bf4 O-O 7. e3 e6 8. h3 b6 9. Be2 Bb7 10. O-O Re8
1936 Zandvoort – Round 1 – Bogoljubow, Efim – 1-0 – Prins, Lodewijk – G8 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bf4 c6 6. e3 O-O 7. Qb3 dxc4 8. Bxc4 b5 9. Be2 a6 10. O-O Nbd7
1937 Semmering/Baden – Round 10 – Fine, Reuben – 1/2-1/2 – Keres, Paul – G36 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 dxc4 8. Bxc4 Nbd7 9. O-O Nb6 10. Be2 Be6
1937 Semmering/Baden – Round 6 – Capablanca, Jose – 1-0 – Flohr, Salo – G21 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 c6 6. Bf4 O-O 7. e3 dxc4 8. Bxc4 Nbd7 9. O-O Nb6 10. Be2 Be6
1937 Stockholm – Round 18 – Gudmundsson, Jon Jorundur – 0-1 – Fine, Reuben – G11 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bf4 c6 6. e3 O-O 7. Qb3 Qa5 8. Bd3 dxc4 9. Bxc4 c5 10. O-O cxd4
1937 Stockholm ol – Round 7 – Euwe, Max – 1-0 – Mikenas, Vladas – G44 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 dxc4 8. Bxc4 b5 9. Be2 Be6 10. Qc2 b4
1938 Krefeld – Round 1 – Elsas, Hansgeorg – 1/2-1/2 – Schlage, Willi – G17 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 c6 5. Nf3 Bg7 6. Bf4 O-O 7. e3 b6 8. cxd5 Nxd5 9. Nxd5 cxd5 10. Rc1 Bb7
1938 Trade Unions – Round 20 – Kotov Lundqvist, Alex – 1/2-1/2 – Gothilf, Solomon Borisovich – G160 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 e6 8. Be2 b6 9. a4 Nbd7 10. O-O Ba6
1938 Trade Unions – Round 4 – Kopaev, Nikolay A – 1-0 – Kotov Lundqvist, Alex – G41 1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 Qa5 8. Be2 dxc4 9. Bxc4 b5 10. Be2 Be6
1938 USA Ch – Round 10 – Fine, Reuben – 1-0 – Morton, Harold – G29 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 b6 8. Be2 Bb7 9. O-O e6 10. Rfd1 Re8
1939 Amsterdam KNSB – Round 5 – Euwe, Max – 1-0 – Flohr, Salo – G11 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 dxc4 8. Bxc4 Nbd7 9. Ne5 Qe8 10. Be2 Nxe5
1939 Buenos Aires ol f-A – Round 9 – da Silva Rocha, Adhemar – 1/2-1/2 – Gromer, Aristide – G175 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 c6 5. e3 Bg7 6. Nf3 O-O 7. Qb3 e6 8. h3 dxc4 9. Bxc4 Nd5 10. Bh2 Nd7
1939 Kemeri / Riga – Round ? – Koblencs, Alexander – 0-1 – Flohr, Salo – G85 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 c6 6. Bf4 O-O 7. e3 Qa5 8. Nd2 Ne4 9. Ncxe4 dxe4 10. O-O-O Bg4
1939 Kemeri / Riga – Round 1 – Bezruchko, Georgs – 0-1 – Mikenas, Vladas – G35 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. Bf4 O-O 6. Qb3 c6 7. e3 Qa5 8. Be2 dxc4 9. Bxc4 b5 10. Be2 Be6
1940 New York ch-USA – Round 14 – Reshevsky, Samuel – 1-0 – Pinkus, Albert – G80 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. Qb3 c6 6. e3 O-O 7. Nf3 dxc4 8. Bxc4 Nbd7 9. O-O Nb6 10. Be2 Be6
1941 Munchen – Round 4 – Bogoljubow, Efim – 1/2-1/2 – Foltys, Jan – G39 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 dxc4 8. Bxc4 Nbd7 9. Ne5 Nxe5 10. Bxe5 Qb6
1942 New York – Round 10 – Reshevsky, Samuel – 1-0 – Baker, Haris – G13 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 c6 5. e3 Bg7 6. Nf3 O-O 7. Qb3 dxc4 8. Bxc4 Nbd7 9. O-O Nb6 10. Be2 Be6
1942 Ventnor City – Round 6 – Shainswit, George – 1-0 – Aubry Levy, Leonard – G22 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 d5 5. Bf4 O-O 6. Qb3 c6 7. e3 dxc4 8. Bxc4 Nbd7 9. O-O Nb6 10. Be2 Be6
1942 Ventnor City – Round 8 – Bernstein, Sidney – 1/2-1/2 – Pinkus, Albert – G26 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 dxc4 8. Bxc4 Nbd7 9. Ng5 Qe8 10. Bc7 b5
1942 Verenigde Staten m ch-USA – Round 10 – Kashdan, Isaac – 0-1 – Reshevsky, Samuel – G10 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 dxc4 8. Bxc4 Nbd7 9. O-O Nb6 10. Be2 Be6
1942 Verenigde Staten m ch-USA – Round 9 – Reshevsky, Samuel – 1/2-1/2 – Kashdan, Isaac – G9 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 c6 5. Nf3 Bg7 6. Bf4 O-O 7. e3 dxc4 8. Bxc4 Nbd7 9. O-O Nb6 10. Be2 Be6
1943 Mar del Plata – Round 13 – Stahlberg, Gideon – 1-0 – Fenoglio, Virgilio – G90 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 e6 8. Bd3 Nh5 9. Be5 f5 10. Bxg7 Nxg7
1944 45. US Open – Round 3 – Marcel Barzin – 0-1 – Reshevsky, Samuel – G3 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 dxc4 8. Bxc4 Nbd7 9. Ne5 Qe8 10. O-O Nb6
1944 Moskou ch-URS – Round 1 – Kotov Lundqvist, Alex – 1-0 – Ragozin, Viacheslav – G10 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 Qa5 8. Be2 Na6 9. O-O dxc4 10. Bxc4 b5
1945 AUS Ch – Round 3.1 – Steiner, Lajos – 1-0 – Koshnitsky, Gregory – G2 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 c6 5. Bf4 Bg7 6. Nf3 O-O 7. e3 dxc4 8. Bxc4 Nbd7 9. e4 Nb6 10. Be2 Be6
1945 Mar del Plata – Round 11 – Stahlberg, Gideon – 1-0 – Bolbochan, J. – G31 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 e6 8. Be2 Nbd7 9. O-O b6 10. Rac1 Bb7
1945 USA-URS radio-m – Round 2 – Kotov Lundqvist, Alex – 1-0 – Kashdan, Isaac – G12 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 c6 6. Bf4 O-O 7. e3 dxc4 8. Bxc4 Nbd7 9. O-O Nb6 10. Be2 Be6
1946 New York ch-USA – Round 1 – Drexel, Gustave – 0-1 – Reshevsky, Samuel – G18 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. Bf4 c6 6. e3 O-O 7. Qb3 dxc4 8. Bxc4 Nbd7 9. Ng5 e6 10. Bxe6 fxe6
1946 Ostrawa ch CZE – Round 11 – Podgorny, Jiri – 1-0 – Zita, Frantisek – G17 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 e6 8. Be2 Nbd7 9. O-O Qb6 10. Qc2 Re8
1946 Pittsburgh – Round 1 – Kupchik, Abraham – 1/2-1/2 – Seidman, Herbert – G10 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 c6 6. Bf4 O-O 7. e3 e6 8. Rc1 Nbd7 9. h3 Re8 10. Be2 dxc4
1946 Pittsburgh Open – Round 1 – Jirov Katz, Maayan – 1/2-1/2 – Byrne, David – G30 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 dxc4 8. Bxc4 Nbd7 9. O-O Nb6 10. Be2 Be6
1947 Aalborg – Round 9 – Van Scheltinga, Theo – 1/2-1/2 – Stoltz, Gosta – G28 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 dxc4 8. Bxc4 Nbd7 9. Ne5 Qe8 10. O-O Nb6
1947 Buenos Aires ch-ARG – Round 1 – Alvarez Martin, Pedro – 1/2-1/2 – Beretta, Alberto Luigi – G35 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 dxc4 8. Bxc4 Nbd7 9. O-O Nb6 10. Be2 Be6
1947 Chigorin Memorial – Round 1 – Kotov Lundqvist, Alex – 1-0 – Novotelnov, Nikolai – G35 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 Qa5 8. Nd2 Nbd7 9. Be2 Nh5 10. Bxh5 dxc4
1947 Mar del Plata – Round 7 – Pizzi Possi, Tulio – 0-1 – Stahlberg, Gideon – G64 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 dxc4 8. Bxc4 b5 9. Be2 Be6 10. Qc2 h6
1948 FIDE (19) -1951 – Round 1 – Gligorić, Svetozar – 1/2-1/2 – Boleslavsky, Isaac – G9 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 Qa5 8. Ne5 Nh5 9. cxd5 Nxf4 10. exf4 cxd5
1948 Saltsjobaden Interzonal – Round 17 – Gligorić, Svetozar – 1/2-1/2 – Boleslavsky, Isaac – G154 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 Qa5 8. Ne5 Nh5 9. cxd5 Nxf4 10. exf4 cxd5
1948 South Fallsburg ch-USA – Round 1 – Heitner, I. – 0-1 – Santasiere, Anthony – G47 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 Qa5 8. Nd2 Nbd7 9. Be2 Re8 10. O-O e5
1949 BUL-CSR Sofia BUL – Round 2 – Sajtar, Jaroslav – 1/2-1/2 – Neikirkh, Oleg – G9 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 Qa5 8. Bd3 dxc4 9. Bxc4 b5 10. Bd3 Be6
1949 CSR-NED Prague CZE – Round 2 – Muehring – 1/2-1/2 – Sajtar, Jaroslav – G9 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 Qa5 8. Nd2 Ne4 9. Ndxe4 dxe4 10. Be2 e5
1949 HUN-NLD – Round ? – Muhring, Willem Jan – 1/2-1/2 – Gereben, Erno – G5 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 Qa5 8. Be2 dxc4 9. Bxc4 b5 10. Be2 Be6
1949 Zagreb ch YUG – Round 6 – Simonovic, Borko – 1/2-1/2 – Rabar, Braslav – G11 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 Qa5 8. Nd2 Nbd7 9. Be2 Nh5 10. Bxh5 dxc4
1950 Dubrovnik YUG – Round 6 – Helle, Soini – 1/2-1/2 – Kramer, George – G7 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 dxc4 8. Bxc4 Nbd7 9. Ne5 Nxe5 10. Bxe5 Nd7
1950 HUN-ch06 – Round 1 – Florian, Tibor – 1-0 – Barcza, Gedeon – G28 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 dxc4 8. Bxc4 b5 9. Be2 a5 10. a3 Nbd7
1950 It Beverwijk NED – Round 7 – Euwe, Max – 1/2-1/2 – Cortlever, Nico – G8 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 dxc4 8. Bxc4 Nbd7 9. Ne5 Nxe5 10. Bxe5 Nd7
1951 Augsburg – Round 12 – Kieninger, Georg – 1/2-1/2 – Heinicke, Herbert – G44 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 dxc4 8. Bxc4 Nbd7 9. Ng5 Qe8 10. Bc7 b5
1951 BCF Ch 38th – Round 8.1 – Barden, Leonard – 1-0 – Klein, Ernst – G29 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 c6 5. e3 Bg7 6. Nf3 O-O 7. Qb3 Qa5 8. Ne5 b6 9. Be2 Ba6 10. O-O Rc8
1951 Budapest HUN – Round ? – Szilagyi, Gyorgy Laszlo – 1-0 – Csovari, Z – G9 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 c6 5. e3 Bg7 6. Nf3 O-O 7. Qb3 Qb6 8. cxd5 cxd5 9. Qxb6 axb6 10. Be2 Bf5
1951 Hungary Ch – Round 1 – Füster, Géza – 1-0 – Szabadi, Elemer – G12 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 dxc4 8. Bxc4 b5 9. Be2 a5 10. O-O Na6
1951 Sopot – Round 8 – Sliwa, Bogdan – 1-0 – Ciejka, Tadeusz – G45 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 c6 6. Bf4 O-O 7. e3 e6 8. Be2 b6 9. O-O Qe7 10. Rac1 Bb7
1951 YUG Ch 6th – Round 10 – Karaklajic, Nikola – 1/2-1/2 – Nedeljkovic, Srecko M – G54 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 c6 5. Nf3 Bg7 6. e3 O-O 7. Qb3 e6 8. Be2 b6 9. O-O Bb7 10. Ne5 Nbd7
1952 ITA-ch15 – Round 7 – Fletzer, Gino – 0-1 – Castaldi, Vincenzo – G33 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 Qa5 8. Ne5 b6 9. cxd5 Nxd5 10. Nxc6 Nxc6
1952 POL-ch10 – Round 3 – Gadalinski, Jan – 1/2-1/2 – Makarczyk, Kazimierz – G17 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 Qb6 8. cxd5 Nxd5 9. Nxd5 cxd5 10. Qxb6 axb6
1952 Saltsjobaden Interzonal – Round 7 – Geller, Efim P – 1-0 – Pilnik, Herman – G59 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 Nbd7 8. cxd5 Nxd5 9. Nxd5 cxd5 10. Qxd5 e5
1953 Budapest ch-HUN – Round 16 – Gereben, Erno – 0-1 – Navarovszky, Laszlo – G36 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 Qa5 8. Nd2 Ne4 9. Ndxe4 dxe4 10. Be2 e5
1953 FRG Ch 02nd – Round 7 – Lehmann, Heinz – 0-1 – Pfeiffer, Gerhard – G13 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 e6 8. Be2 Nbd7 9. O-O Re8 10. Rfd1 h6
1953 HUN Ch Budapest HUN – Round 1 – Navarovszky, Laszlo – 1-0 – Florian, Tibor – G22 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 dxc4 8. Bxc4 Nbd7 9. O-O Nh5 10. Ne5 Nxe5
1953 Opatija – Round 1 – Rabar, Braslav – 1-0 – Milic, Borislav – G9 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 Qa5 8. Nd2 Na6 9. Be2 Ne4 10. cxd5 Nxd2
1954 DDR Ch 05th – Round 12 – Uhlmann, Wolfgang – 1-0 – Troschier, Kurt – G64 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 c6 6. Bf4 O-O 7. e3 Qa5 8. Ne5 Nbd7 9. Nxd7 Nxd7 10. cxd5 c5
1954 DDR Ch 05th – Round 3 – Uhlmann, Wolfgang – 1/2-1/2 – Fuchs, Reinhart – G15 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 c6 6. Bf4 O-O 7. e3 Qa5 8. Bd3 Nbd7 9. O-O dxc4 10. Bxc4 Nb6
1954 Hastings5455 – Round 4 – Fairhurst, William – 0-1 – Pachman, Ludek – G15 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 Qa5 8. Be2 dxc4 9. Bxc4 b5 10. Bd3 Be6
1954 Kiev ch-URS – Round 1 – Petrosian, Tigran A. – 1/2-1/2 – Bivshev, Vasily – G86 1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 e6 8. Bd3 Nbd7 9. O-O Re8 10. h3 dxc4
1954 Munich zt Munich GER – Round 4 – Lehmann, Karl-Heinz – 1/2-1/2 – Dunkelblum, Arthur – G4 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 e6 8. Bd3 Qe7 9. O-O Nbd7 10. Rfe1 a6
1954 POL Ch Lodz POL – Round 1 – Sliwa, Bogdan – 1-0 – Plater, Kazimierz – G6 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 Qa5 8. Be2 Ne4 9. O-O Nxc3 10. bxc3 dxc4
1954 Prague zt – Round 11 – Minev, Nikolay N – 1-0 – Hodja, Bujan – G59 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 b6 8. Rc1 e6 9. Be2 h6 10. h3 Bb7
1954 Prague zt – Round 18 – Kluger, Gyula – 1/2-1/2 – Filip, Marius Liviu – G102 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 Qa5 8. Ne5 Nh5 9. cxd5 Nxf4 10. exf4 cxd5
1954 UKR Ch – Round ? – Lazarev, Efim M. – 0-1 – Matskevich, Avshalom – G9 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 Ne4 8. Nxe4 dxe4 9. Nd2 f5 10. c5+ Kh8
1955 Buenos Aires CA – Round 3 – Reinhardt, Enrique – 0-1 – Pachman, Ludek – G27 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 Qa5 8. Ne5 Nh5 9. cxd5 Nxf4 10. exf4 cxd5
1955 Ljubljana – Round 10 – Kieninger, Georg – 1/2-1/2 – Gabrovsek Zdravko – G85 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 Qa5 8. Ne5 Nbd7 9. Be2 Nxe5 10. Bxe5 dxc4
1955 Ljubljana – Round 6 – Bertok, Mario Jr. – 1/2-1/2 – Gabrovsek Zdravko – G47 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 Qa5 8. Ne5 Nbd7 9. Nxd7 Bxd7 10. Qxb7 Rac8
1956 Marianske Lazne/Praha – Round 11 – Wade, Robert G – 1/2-1/2 – Filip, Miroslav – G73 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 Qa5 8. Nd2 Ne4 9. Ndxe4 dxe4 10. Be2 e5
1956 Moscow olm prel – Round 6 – Keller, Dieter – 1-0 – Reissman, Paul – G192 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 a6 8. Rc1 dxc4 9. Bxc4 b5 10. Be2 Nbd7
1956 URS Ch sf – Round ? – Borisenko, Georgy K – 1-0 – Shamkovich, Leonid – G47 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 Qa5 8. Nd2 Nbd7 9. Be2 a6 10. O-O b5
1957 It Gotha GER – Round 15 – Bronstein, David I – 1/2-1/2 – Uhlmann, Wolfgang – G43 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bf4 O-O 5. e3 c6 6. Nf3 d5 7. Qb3 Qa5 8. Nd2 Ne4 9. Ncxe4 dxe4 10. c5 e5
1957 Reggio Emilia ch ITA – Round 7 – Tamburini, Mario – 1-0 – Nestler, Vincenzo – G27 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bf4 c6 6. e3 O-O 7. Qb3 Qa5 8. Bd3 Nbd7 9. O-O dxc4 10. Bxc4 Nb6
1957 Reykjavik – Round 1 – Navarovszky, Laszlo – 1-0 – Sehlstedt – G9 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 Qa5 8. Rc1 dxc4 9. Bxc4 b5 10. Bxf7+ Rxf7
1957 Sofia zt – Round 1 – Niemela, Ilmari Aarne – 0-1 – Filip, Marius Liviu – G8 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 Qa5 8. Nd2 Ne4 9. cxd5 Nxc3 10. bxc3 cxd5
1957 WchT U26 04th – Round 3.3 – Navarovszky, Laszlo – 1-0 – Sehlstedt – G32 1. c4 Nf6 2. d4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 Qa5 8. Rc1 dxc4 9. Bxc4 b5 10. Bxf7+ Rxf7
1957 WchT U26 04th – Round 4.1 – Dittmann, Sieghart – 1/2-1/2 – Filip, Miroslav – G41 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 Qa5 8. Nd2 Ne4 9. Ndxe4 dxe4 10. Be2 e5
1957 WchT U26 04th – Round 4.1 – Lombardy, William J – 1/2-1/2 – Munoz Parraguez, Cesar – G42 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 c6 6. Bf4 O-O 7. e3 b6 8. h3 Ba6 9. Be2 dxc4 10. Bxc4 Bxc4
1958 HUN Ch 13th – Round 13 – Gasztonyi, Endre – 1-0 – Honfi, Karoly – G112 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 Qa5 8. Rc1 Nbd7 9. Bg3 e6 10. Be2 Ne4
1958 Munich olm fin-C – Round 8 – Fairhurst, William – 1-0 – Walsh, Chris – G21 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 c6 5. Nf3 Bg7 6. Bf4 O-O 7. e3 dxc4 8. Bxc4 Nbd7 9. Ng5 Qe8 10. O-O b5
1958 Riga ch-URS – Round 1 – Borisenko, Georgy K – 1/2-1/2 – Boleslavsky, Isaac – G45 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 Qa5 8. Nd2 Nbd7 9. Be2 Nh5 10. Bxh5 gxh5
1959 Krakow – Round 6 – Book, Eero – 1/2-1/2 – Kozma, Julius – G21 1. c4 Nf6 2. d4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 Qa5 8. Nd2 Ne4 9. Ndxe4 dxe4 10. Be2 e5
1959 Mar del Plata – Round 1 – De Souza Mendes, Joao – 1/2-1/2 – Sanguinetti, Ricardo – G42 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 dxc4 8. Bxc4 b5 9. Be2 Be6 10. Qc2 Na6
1959 Riga – Round 1 – Niemela, Ilmari Aarne – 1/2-1/2 – Witkowski, Stefan – G29 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 Qa5 8. Nd2 Ne4 9. cxd5 Nxd2 10. Kxd2 Rd8
1960 GBR Ch 47th – Round 4.8 – Fazekas, Stephan – 1/2-1/2 – Payne, Roland – G37 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 e6 8. h3 b6 9. cxd5 exd5 10. Rd1 Bb7
1960 Olympiad final A – Round 3 – Dittmann, Sieghart – 0-1 – Filip, Miroslav – G7 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 Qa5 8. Rc1 Nbd7 9. Ne5 Nxe5 10. Bxe5 dxc4
1960 UKR Ch sf – Round 16 – ? – 0-1 – Bannik, Anatolij – G104 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d5 5. Bf4 O-O 6. e3 c6 7. Qb3 dxc4 8. Bxc4 Nbd7 9. Ng5 Qe8 10. Bc7 b5
1961 ROM Ch – Round 14 – Soos, Bela – 1-0 – Botez, Constantin – G90 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 Qa5 8. Rc1 Nbd7 9. Ne5 Nxe5 10. Bxe5 dxc4
1962 Bucharest – Round 7 – Thorbergsson, Freysteinn – 1/2-1/2 – Sajtar, Jaroslav – G34 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 Qa5 8. Nd2 Ne4 9. Ndxe4 dxe4 10. O-O-O c5
1962 Erevan ch-URS – Round 1 – Krogius, Nikolai V – 0-1 – Aronin, Lev – G56 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 Qa5 8. cxd5 Nxd5 9. Be5 Bh6 10. Nd2 Nd7
1962 GDR Ch Gera GER – Round 17 – Golz, Werner – 1/2-1/2 – Muehlberg, Siegfried – G26 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 c6 6. Bf4 O-O 7. e3 Qa5 8. Nd2 Nbd7 9. cxd5 Nxd5 10. Nxd5 Qxd5
1962 Hastings6263 – Round 6 – Tan Hoang Liong – 1-0 – Hollis, Adrian – G28 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 Qa5 8. Nd2 Na6 9. Be2 Qb4 10. Be5 dxc4
1962 Spartak Ch – Round 4 – Kholmov, Ratmir D – 1-0 – Jakhin, Rashid – G26 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Qb3 Bg7 6. Bf4 O-O 7. e3 Qa5 8. Ne5 e6 9. h3 Nbd7 10. Nxd7 Nxd7
1962 Vrnjacka Banja – Round 2 – Bukic, Enver – 1-0 – Panov, Vasily – G23 1. d4 c6 2. c4 d5 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 Qa5 8. Nd2 Na6 9. Be2 Rd8 10. O-O e6
1963 Bad Liebenstein – Round 11 – Uhlmann, Wolfgang – 1/2-1/2 – Malich, Burkhard, Dr. – G74 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 Qa5 8. Nd2 Ne4 9. Ndxe4 dxe4 10. Be2 e5
1963 Capablanca Memorial – Round 4 – Calero, Ivan – 1/2-1/2 – Uhlmann, Wolfgang – G32 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. e3 c6 7. Qb3 Qa5 8. Be2 dxc4 9. Bxc4 b5 10. Be2 Be6
1963 FRG Ch Bad Pyrmont GER – Round 1 – Gerusel, Mathias – 0-1 – Wolk, Sigmund – G1 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 Qa5 8. Bd3 dxc4 9. Bxc4 b5 10. Bd3 Be6
1963 GDR Ch Aschersleben GER – Round 10 – Golz, Werner – 1/2-1/2 – Malich, Burkhard, Dr. – G54 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 Qa5 8. Nd2 Nbd7 9. Be2 Nh5 10. Bxh5 dxc4
1963 OWL Ch – Round 6 – Oestreich, Reinhard – 1-0 – Haensch, Reinhard – G18 1. d4 d5 2. c4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Qb3 c6 6. Bf4 O-O 7. e3 e6 8. h3 Nbd7 9. Bd3 dxc4 10. Bxc4 Nd5
1964 Corr – Round ? – Herzel, Alois, Dr. – 1/2-1/2 – Koch, Berthold – G4 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 Qa5 8. Nd2 Nbd7 9. Be2 Nh5 10. Bxh5 dxc4
1964 Tel Aviv olm fin-B – Round 3 – Kolvig, Bent – 0-1 – Malich, Burkhard, Dr. – G32 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 Qa5 8. Be2 dxc4 9. Bxc4 b5 10. Be2 Be6
1964 Tel Aviv olm prel – Round 7 – Kirby, Kenneth – 0-1 – Letelier Martner, Rene – G64 1. d4 d5 2. c4 Nf6 3. Nc3 g6 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 dxc4 8. Bxc4 b5 9. Be2 Be6 10. Qc2 h6
1965 Gyula – Round ? – Gasztonyi, Endre – 0-1 – Korchnoi, Viktor – G20 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bf4 d5 5. e3 c6 6. Qb3 O-O 7. Nf3 Qa5 8. Rc1 Nbd7 9. Bd3 dxc4 10. Bxc4 Nb6
1965 Gyula – Round 1 – Gastonyi – 0-1 – Korchnoi, Viktor – G9 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 Qa5 8. Rc1 Nbd7 9. Bd3 dxc4 10. Bxc4 Nb6
1965 Kiel Open – Round 1 – Gerusel, Mathias – 1-0 – Lang Erhard – G3 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 e6 8. Bd3 Re8 9. O-O Nbd7 10. Qc2 dxc4
1965 Leipzig Inter-1 – Round 3 – Opocensky, Karel – 1/2-1/2 – Sajtar, Jaroslav – G10 1. c4 Nf6 2. d4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Nf3 O-O 7. Qb3 Qa5 8. Be2 dxc4 9. Bxc4 b5 10. Bd3 Be6
1965 Mar del Plata – Round 4 – Gheorghiu, Florin – 1/2-1/2 – Pilnik, Herman – G30 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. Qb3 Bg7 6. Bf4 O-O 7. e3 Qa5 8. cxd5 Nxd5 9. Be5 Qb4 10. Bc4 Qxb3
1966 La Habana olm fin-B – Round 7 – Niemela, Ilmari Aarne – 0-1 – Glauser, Hansruediger – G100 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c6 6. Qb3 O-O 7. Nf3 Qa5 8. Nd2 Nbd7 9. Be2 Nh5 10. Bxh5 dxc4
1966 Palma de Majorca ESP – Round 7 – Visier Segovia, Fernando – 1/2-1/2 – Lehmann, Heinz – G11 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. e3 c6 7. Qb3 Qa5 8. Nd2 Nbd7 9. Be2 Nh5 10. Bxh5 dxc4
1966 Tbilisi ch-URS – Round 1 – Doroshkievich, Vladimir K – 1/2-1/2 – Lein, Andreas – G6 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 c6 6. Bf4 O-O 7. e3 Qa5 8. Nd2 Nbd7 9. Be2 Ne4 10. Ndxe4 dxe4
1967 Sousse Interzonal – Round 22 – Geller, Efim P – 1-0 – Myagmarsuren, Lkhamsuren – G202 1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. Nc3 g6 5. Bf4 Bg7 6. e3 O-O 7. Qb3 e6 8. Be2 dxc4 9. Bxc4 Nd5 10. Be5 Qb6
1969 Quito/Guayaquil zt – Round ? – Idrovo, Franklin – 1/2-1/2 – Garcia Martinez, Silvino – G7 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 c6 5. e3 Bg7 6. Nf3 O-O 7. Qb3 Qa5 8. Bd3 Nbd7 9. O-O dxc4 10. Bxc4 Nb6
1971 Hoogovens – Round 9 – Mecking, Henrique – 1/2-1/2 – Gligoric, Svetozar – G104 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Qb3 c6 7. Nf3 Qa5 8. Nd2 Nbd7 9. Be2 Nh5 10. Bxh5 dxc4
43. Olympiad 2018 – Round 6.8 – Van Wely, Loek – 1/2-1/2 – Petriashvili, Nikoloz – G421 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 g6 5. Bf4 Bg7 6. e3 O-O 7. Nc3 Qb6 8. Qxb6 axb6 9. cxd5 Nxd5 10. Nxd5 cxd5

D93d — Gruenfeld (1912)

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.e3 c6 7.Qb3

Les coups candidats

7…Qa5 — 37.2% (296 parties)

Ambassadeurs : Uhlmann, Wolfgang (8x), Inkiov, Ventzislav (7x), Filip, Miroslav (5x), Malich, Burkhard, Dr. (5x), Ghinda, Mihail-Viorel (4x), Beliavsky, Alexander G (4x), Ftacnik, Lubomir (4x), Navarovszky, Laszlo (3x)

7…e6 — 21.0% (167 parties)

Ambassadeurs : Dunkelblum, Arthur (2x), Geller, Efim P. (2x), Petrosian, Tigran V. (1x), Bivshev, Vasily (1x), Oestreich, Reinhard (1x), Haensch, Reinhard (1x), Fazekas, Stephan (1x), Payne, Roland (1x)

7…dxc4 — 18.2% (145 parties)

Ambassadeurs : Lilly, Richard (2x), Florian, Tibor (2x), Nordstrom, Felix (2x), ? (1x), Bannik, Anatolij (1x), Badamgarav, G. (1x), Liem Hong Gie (1x), Kirby, Kenneth (1x)

7…b6 — 8.5% (68 parties)

Ambassadeurs : Minev, Nikolay N (1x), Hodja, Bujan (1x), Lombardy, William J (1x), Munoz Parraguez, Cesar (1x), M.Roma (1x), Super Constellation (1x), Franck, Philipp (1x), Hirche, Michael (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…Qa5	7…e6	7…dxc4	7…b6
<1800	42	19%	38%	14%	19%
1800-2200	325	27%	25%	19%	11%
2200-2600	215	41%	16%	19%	5%
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7…Qa5	7…e6	7…dxc4	7…b6
1950s	57	49%	18%	19%	4%
1960s	61	67%	11%	18%	—
1970s	61	74%	3%	18%	—
1980s	45	56%	20%	16%	2%
1990s	136	29%	24%	18%	12%
2000s	207	27%	29%	20%	12%
2010s	199	29%	19%	18%	10%
2020s	30	10%	33%	17%	17%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…Qa5	29%	10%	▼ -19.1%
7…e6	19%	33%	▲ +14.7%
7…dxc4	18%	17%	▼ -0.9%
7…b6	10%	17%	▲ +6.6%

Parties historiques

7…Qa5 — 37.2% (296 parties)

1951 — Barden, Leonard vs Klein, Ernst — 1-0 — Swansea WLS
1952 — Fletzer, Gino vs Castaldi, Vincenzo — 0-1 — Ferrara
1953 — Rabar, Braslav vs Milic, Borislav — 1-0 — Opatija
1953 — Gereben, Erno vs Navarovszky, Laszlo — 0-1 — Budapest ch-HUN
1954 — Fairhurst, William vs Pachman, Ludek — 0-1 — Hastings ENG

7…e6 — 21.0% (167 parties)

1951 — Aadhitha Karikalan vs Nedeljkovic, Srecko M — 1/2-1/2 — Ljubljana
1951 — Sliwa, Bogdan vs Ciejka, Tadeusz — 1-0 — Sopot
1952 — Haley, Phil vs Zalys, Ignas — 0-1 — Montreal CAN
1953 — Krause, Kurt vs Koch, Berthold — 1/2-1/2 — Jena ch DDR
1953 — Lehmann, Heinz vs Pfeiffer, Gerhard — 0-1 — Berlin West

7…dxc4 — 18.2% (145 parties)

1950 — Eken, Max vs Cortlever, Nico — 1/2-1/2 — It Beverwijk NED
1950 — Helle, Soini vs Kramer, George — 1/2-1/2 — Dubrovnik olm
1950 — Florian, Tibor vs Anay Barche — 1-0 — Budapest HUN
1951 — Kieninger, Georg vs Heinicke, Herbert — 1/2-1/2 — Augsburg GER
1951 — Füster, Géza vs Szabadi, Elemer — 1-0 — Hungary ch

7…b6 — 8.5% (68 parties)

1954 — Minev, Nikolay N vs Hodja, Bujan — 1-0 — Prague CZE
1957 — Lombardy, William J vs Munoz Parraguez, Cesar — 1/2-1/2 — Reykjavik ISL
1988 — M.Roma vs Super Constellation — 1-0 — Dator mOete
1990 — Seres, Lajos vs Cheymol, Eric — 1-0 — Eger
1990 — Del Gobbo, Michel vs Vedrunes, Jean — 1-0 — cr.

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