A23a — English: Bremen, Keres, 4.Bg2 d5 5.cxd5 cxd5

1.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Bg2 d5 5.cxd5 cxd5 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la case forte e4, un fou actif en g2 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 (le cavalier g1, le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nf3 (Développer Ng1) ; d3 (Libérer Bc1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte d4, un fou actif en c5 et la paire de fous.

Côté adverse. Le fou enfermé en c1 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) ; ...d5 (Rupture) ; ...e4 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b7→c6, d7→c6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Actif (mob. 6)
Bc5		● Bc5 Actif (mob. 9)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (g1, c1, 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	● d2-d3, ● e2-e3, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e5-e4

Partie
1903 Monte Carlo – Round 24 – Tarrasch, Siegbert – 1-0 – Reggio, Arturo – G46 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 e4 7. f3 d4 8. Nxe4 Be7 9. Nh3 O-O 10. Nf4 Nc6
1923 Maehrisch Ostrau – Round 2 – Euwe, Max – 1/2-1/2 – Bogoljubow, Efim – G8 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 Bc5 5. a3 O-O 6. b4 Be7 7. d4 exd4 8. Qxd4 c5 9. bxc5 Nc6 10. Qe3 Qa5
1928 Vienna – Round 11 – Beutum, Sigmund – 1/2-1/2 – Wolf, Siegfried – G61 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Ng5 d5 6. cxd5 cxd5 7. d3 h6 8. Nh3 Nc6 9. Bg2 Bb4 10. O-O O-O
1946 Barcelona – Round 1 – Golmayo Torriente, Manuel – 1/2-1/2 – Cherta, Pedro – G1 1. c4 Nf6 2. Nc3 e5 3. Nf3 d6 4. g3 c6 5. e4 Be7 6. d4 Bg4 7. dxe5 Bxf3 8. Qxf3 dxe5 9. Bg2 Nbd7 10. O-O O-O
1946 Pittsburgh – Round 1 – Shipman, Walter – 1/2-1/2 – Kupchik, Abraham – G1 1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. g3 c6 5. d3 Be7 6. Bg2 h6 7. O-O Be6 8. e4 Na6 9. Ne1 g5 10. b3 c5
1950 HUN-ch06 – Round 1 – Szilagyi, Gyorgy Laszlo – 1/2-1/2 – Sebestyen, Balazs – G2 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Nf3 d4 7. Nb1 Nc6 8. O-O Be7 9. d3 O-O 10. Nbd2 Nd5
1954 Leningrad ch22-SU sf – Round 8 – Taimanov, Mark E – 1/2-1/2 – Shamkovich, Leonid – G20 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. Bg5 Be7 7. cxd5 cxd5 8. Bg2 Nc6 9. Qd2 d4 10. Bxf6 Bxf6
1955 CSR-AUT m – Round 3.1 – Pachman, Ludek – 1-0 – Auer, Franz – G2 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. Bg5 Be7 7. O-O-O dxc4 8. Qxd8+ Bxd8 9. Ne4 Be7 10. Nd6+ Bxd6
1955 Hamburg – Round 11 – Heinicke, Herbert – 1/2-1/2 – Teschner, Rudolf – G81 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. cxd5 cxd5 7. Bg5 Be7 8. Nf3 Nc6 9. Qa4 O-O 10. Bg2 d4
1955 Moscow Ch – Round 11 – Goldberg, Grigory A – 1/2-1/2 – Antoshin, Vladimir S – G67 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. Bg5 Be7 7. cxd5 cxd5 8. Rd1 Nc6 9. Qa4 O-O 10. Bg2 Qb6
1955 USSR – Round 1 – Averbakh, Yuri L – 1-0 – Ragozin, Viacheslav – G2 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 d6 5. Bg2 Be7 6. O-O O-O 7. d4 e4 8. Nd2 d5 9. f3 exf3 10. Bxf3 Bh3
1956 Alekhine Memorial – Round 1 – Uhlmann, Wolfgang – 0-1 – Gligorić, Svetozar – G3 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. cxd5 cxd5 7. Nf3 Nc6 8. Qa4 d4 9. Nb5 Bc5 10. Bg2 O-O
1956 Belgrade – Round 1 – Pirc, Vasja – 1/2-1/2 – Keres, P. – G1 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. Bg2 Be6 7. cxd5 cxd5 8. Nf3 Nc6 9. Qa4 Bc5 10. O-O O-O
1956 Mar del Plata – Round 7 – Bolbochan, J. – 1-0 – Wexler, Eithan – G40 1. c4 e5 2. Nc3 d6 3. g3 Nf6 4. Bg2 c6 5. Nf3 g6 6. O-O Bg7 7. h3 O-O 8. Rb1 a5 9. e4 Nbd7 10. d4 a4
1956 Moscow olm fin-A – Round 7 – Rejfir, Josef – 0-1 – Keres, Paul – G106 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. Bg5 Be7 7. Nf3 O-O 8. Bg2 h6 9. Bf4 c5 10. Qd3 d4
1957 Danmarksmesterskabet – Round 2 – Andersen, Borge – 1/2-1/2 – Norman Hansen, Holger – G5 1. c4 Nf6 2. Nc3 e5 3. g3 d6 4. Bg2 c6 5. Nf3 Be7 6. O-O O-O 7. d3 Nbd7 8. Rb1 Re8 9. b4 Qc7 10. b5 Bf8
1957 ESP Ch – Round 4 – Puig, Pedro – 0-1 – Perez Perez, Francisco Jose – G6 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. cxd5 cxd5 7. Bg2 Nc6 8. Qa4 d4 9. Ne4 Bb4+ 10. Kf1 O-O
1957 Leningrad – Round 3 – Ivkov, Borislav – 1/2-1/2 – Keres, Paul Petrovich – G36 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb4 9. Bg2 Nc6 10. O-O Bf5
1957 Leningrad Ch – Round ? – Korelov, Alexander P – 1-0 – Byvshev, Vasily – G148 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d6 5. d3 Be7 6. e4 Be6 7. f4 exf4 8. gxf4 h5 9. f5 Bc8 10. Nh3 d5
1957 Mar del Plata – Round 13 – Panno, Oscar – 0-1 – Keres, Paul – G111 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Nc6 8. Nxc6 bxc6 9. d3 exd3 10. Qxd3 Be7
1957 Moskou ch-URS – Round 14 – Taimanov, Mark E – 1/2-1/2 – Mikenas, Vladas – G136 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb4 9. a3 Bxc3+ 10. bxc3 Nc6
1957 Moskou ch-URS – Round 19 – Kortchnoi, V. – 1/2-1/2 – Keres, P. – G184 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb4 9. Bg2 O-O 10. O-O Bf5
1957 Przepiorka Memorial – Round 7 – Doda, Zbigniew – 1/2-1/2 – Plater, Kazimierz – G40 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb6 9. Bg2 Bf5 10. dxe4 Nxe4
1957 Rio de Janeiro zt – Round 1 – Bianco Esposito, Antonio – 0-1 – Rossetto, Hector – G8 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Nc6 8. Nxc6 bxc6 9. d3 exd3 10. Qxd3 Be7
1957 San Benedetto – Round 9 – Scafarelli, Francesco – 1-0 – Fletzer, Gino – G43 1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. g3 c6 5. Qc2 Be7 6. Bg2 O-O 7. d4 Qc7 8. O-O a5 9. Rb1 g6 10. Bh6 Re8
1957 Sofia zt Sofia BUL – Round 1 – Szilagyi, Gyorgy Laszlo – 1/2-1/2 – Karaklajic, Nikola – G3 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. cxd5 cxd5 7. Bg2 Nc6 8. Qa4 Be7 9. Nf3 O-O 10. O-O Qb6
1957 Sombor – Round 2 – Puc, Stojan – 0-1 – Pirc, Vasja – G36 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. Bg2 Be6 7. cxd5 cxd5 8. Bf4 Nc6 9. Qa4 Bb4 10. Rc1 O-O
1957 Wageningen zt – Round 4 – Olafsson, Fridrik – 1-0 – Ivkov, Borislav – G21 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb4 9. dxe4 Nxe4 10. Bd2 Qb6
1958 Haifa/Tel Aviv – Round 4 – Branicki, I – 1-0 – Persitz, Raaphi – G18 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Nxf6+ gxf6 9. Qd1 Qc7 10. Kf1 Be6
1958 Munchen olm – Round 1 – Korcia – 0-1 – Keres, Paul – G2 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. d3 d4 6. Ne4 Nxe4 7. Bxe4 Nd7 8. Bg2 Bc5 9. Nf3 O-O 10. O-O a5
1958 Munich olm fin-B – Round 6 – Catozzi, Henry – 1/2-1/2 – Enevoldsen, Jens – G52 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. Bg5 Be7 7. cxd5 cxd5 8. Bg2 Nc6 9. Qa4 O-O 10. Nf3 Be6
1958 Munich olm prel – Round 1 – Bobotsov, Milko G – 1/2-1/2 – Andersen, Borge – G2 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Nc6 8. Nxc6 bxc6 9. d3 exd3 10. Qxd3 Be7
1958 Munich olm prel – Round 4 – Norcia, Federico – 0-1 – Keres, Paul – G80 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. d3 d4 6. Ne4 Nxe4 7. Bxe4 Nd7 8. Bg2 Bc5 9. Nf3 O-O 10. O-O a5
1958 New York ch-USA – Round 5 – Byrne, David – 0-1 – Sherwin, James T – G21 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Qc4 Nxd5 9. Bxd5 b5 10. Bxf7+ Ke7
1958 OWL Ch – Round 2 – Juergens Norbert – 1-0 – Lachmann, Hans G – G4 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. Bg5 Be7 7. cxd5 cxd5 8. Bg2 Nc6 9. Qa4 O-O 10. Nf3 Qb6
1958 Sofia – Round 3 – Gurgenidze, Bukhuti – 1-0 – Pantaleev, Dimitar – G24 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Nxf6+ Qxf6 9. Qd3 Bc5 10. e3 Bf5
1958 WchT U26 prel-B 05th – Round 3 – Saidy, Anthony – 1-0 – Padevsky, Nikola – G12 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb4 9. Bg2 Bf5 10. Nd4 Bd7
1959 Asztalos Memorial – Round 1 – Neikirkh, Oleg – 1-0 – Florian, Tibor – G1 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Bc5 8. Nb3 Bb6 9. d3 Ng4 10. e3 f5
1959 Buenos Aires JM – Round 9 – Bolbochan, J. – 0-1 – Wexler, Bernardo – G37 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Nxf6+ Qxf6 9. Qd1 Bf5 10. d3 Rc8
1959 DEN Ch – Round 10 – Nielsen, Axel – 1/2-1/2 – Andersen, Borge – G47 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Qb6 8. e3 Nc6 9. Nxc6 bxc6 10. f3 exf3
1959 FRG Ch Nuerenberg GER – Round 12 – Wolk, Sigmund – 1/2-1/2 – Weise, Dieter – G41 1. c4 Nf6 2. g3 e5 3. Nc3 c6 4. Nf3 Bd6 5. Bg2 Bc7 6. O-O O-O 7. d4 e4 8. Ne1 d5 9. cxd5 cxd5 10. Bg5 Be6
1959 GDR Ch Leipzig GER – Round 10 – Zirngibl, Albert – 0-1 – Fuchs, Reinhart – G46 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Bc5 6. Nb3 Bb4 7. Bg2 d5 8. cxd5 cxd5 9. O-O O-O 10. d3 Bf5
1959 UKR Ch – Round 5 – Bannik, Anatolij – 1/2-1/2 – Zurakhov, Vladlen Y – G31 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Nc6 8. Nxc6 bxc6 9. d3 exd3 10. Qxd3 Be7
1960 Buenos Aires – Round 1 – Wexler, Bernardo – 1/2-1/2 – Aguilera Bazan, Oscar – G4 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb4 9. dxe4 Nxe4 10. Bd2 Qb6
1960 Buenos Aires – Round 16 – Uhlmann, Wolfgang – 1/2-1/2 – Unzicker, Wolfgang – G162 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. d3 Be7 7. Qb3 Be6 8. Nf3 Nc6 9. Ng5 Nd4 10. Qd1 Bc8
1960 Leipzig olm fin-A – Round 10 – Najdorf, Miguel – 1/2-1/2 – Unzicker, Wolfgang – G170 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb4 9. Bg2 O-O 10. O-O Bxc3
1960 Leningrad tt – Round 7 – Gurgenidze, Bukhuti – 1-0 – Zinn, Lothar – G87 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. Nf3 Be6 7. cxd5 cxd5 8. Bg2 Nc6 9. Qa4 Bc5 10. O-O O-O
1960 New York ch-USA – Round 3 – Saidy, Anthony – 1-0 – Benko, Pal – G10 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 d6 5. Bg2 Be7 6. O-O O-O 7. e4 Bg4 8. h3 Bxf3 9. Bxf3 Ne8 10. Bg2 Bf6
1960 Sao Paulo zt – Round 9 – Del Pozo, Nestor – 0-1 – Wexler, Bernardo – G47 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. cxd5 cxd5 7. Bg2 Nc6 8. Qa4 d4 9. Nb5 a6 10. Bf4 Bb4+
1961 Buenos Aires ch-ARG – Round 4 – Bazan, Osvaldo – 1-0 – Benko, Francisco – G24 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb6 9. Bg2 exd3 10. Qxd3 Be6
1961 FRG Ch 06th – Round 9 – Bachmann, Karlheinz – 0-1 – Unzicker, Wolfgang – G19 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb4 9. dxe4 Nxe4 10. Bd2 Bxc3
1961 Mar del Plata – Round 14 – Silva Nazzari, Roberto – 1/2-1/2 – Perez Perez, Francisco Jose – G115 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Nxf6+ Qxf6 9. Qd1 Bf5 10. d3 Rc8
1961 Mar del Plata – Round 15 – Rossetto, Hector – 1-0 – Silva Nazzari, Roberto – G124 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb4 9. a3 Bxc3+ 10. bxc3 O-O
1961 Moscow Ch – Round ? – Goldberg, Grigory A – 1-0 – Bronstein, David I – G43 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. Bg2 dxc4 7. Nc2 Bf5 8. Ne3 Bg6 9. Nxc4 Nbd7 10. a4 Be7
1961 Nykobing – Round 3 – Andersen, Borge – 1-0 – From, Sigfred – G30 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nc2 d5 7. cxd5 cxd5 8. Bg2 Be6 9. d3 Nc6 10. O-O Rd8
1961 Stockholm 6061 – Round 9 – Nielsen, Axel – 1/2-1/2 – Unzicker, Wolfgang – G12 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Nc6 8. Nxc6 bxc6 9. b3 Bd6 10. Bb2 O-O
1961 WchT U26 08th – Round 6.3 – Kalme, Charles I – 1-0 – Kavalek, Lubomir – G58 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Nc6 8. Nxc6 bxc6 9. d3 exd3 10. Qxd3 Bb4
1961 World Championship 24th – Round 9 – Botvinnik, Mikhail – 1-0 – Tal, Mikhail – G8 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qb6 7. Nb3 cxd5 8. Bg2 a5 9. d3 a4 10. Be3 Qb4
1961 Zagreb – Round 1 – Rabar, Braslav – 1-0 – Suvalic – G2 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nc2 O-O 9. Bg2 Qe7 10. O-O Nc6
1961 Zevenaar – Round 3 – Langeweg, Kick – 1/2-1/2 – Bouwmeester, Hans – G31 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Nc6 8. Nxc6 bxc6 9. d3 exd3 10. Qxd3 Be7
1962 Candidats Tournament – Round 24 – Kortchnoi, V. – 1/2-1/2 – Keres, P. – G87 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Qb6 8. Nb3 Ng4 9. d4 Be6 10. f3 exf3
1962 Capablanca Memorial – Round 9 – Milev, Zdravko – 1/2-1/2 – Siero, Lucas – G81 1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6 5. d3 Ng4 6. e3 f5 7. Nf3 Qf6 8. h3 Nh6 9. d4 Bd6 10. dxe5 Bxe5
1962 Copenhagen – Round 1 – Nielsen, Axel – 1/2-1/2 – Soby, Frode – G3 1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6 5. e3 O-O 6. Nge2 d5 7. cxd5 cxd5 8. d4 exd4 9. exd4 Bb4 10. O-O Bg4
1962 OWL Ch – Round 2 – Bilo, Heinz – 0-1 – Lachmann, Hans G – G4 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. d3 Nc6 7. Bg5 Be6 8. Nh3 Qd7 9. Ng1 Be7 10. Bxf6 Bxf6
1962 Reggio Emilia ITA – Round 11 – Langeweg, Kick – 1/2-1/2 – Gragger, Anton Fritz – G40 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Nc6 8. Nxc6 bxc6 9. d3 exd3 10. Qxd3 Be7
1962 Sofia – Round 9 – Padevsky, Nikola – 1-0 – Mikenas, Vladas – G51 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Qb6 8. Nb3 Ng4 9. d4 Bb4 10. Bg2 O-O
1962 Spartak Ch – Round 1 – Katalymov, Boris – 1-0 – Govbinder, Mikhail Yudovich – G1 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. Bg5 Be7 7. Bh3 O-O 8. Bxc8 Qxc8 9. Nf3 Qe6 10. cxd5 cxd5
1962 Varna ol (Men) qual-D – Round 1 – Vivek Kumar, Shukla – 0-1 – Lengyel, Levente – G1 1. c4 Nf6 2. Nc3 e5 3. Nf3 d6 4. g3 c6 5. Bg2 Be7 6. O-O O-O 7. d4 e4 8. Ne1 d5 9. f3 exf3 10. Nxf3 dxc4
1962 Varna olm – Round 8 – Benko, Pal – 1/2-1/2 – Tringov, Georgi P – G197 1. g3 e5 2. c4 Nf6 3. Nc3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Qb6 8. dxe4 Bc5 9. e3 dxe4 10. Bg2 O-O
1963 Alekhine Memorial – Round 5 – Szabo, Ladislav – 1-0 – Padevsky, Nikola – G29 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Qb6 8. Nb3 Ng4 9. e3 Bb4 10. Bg2 Nf6
1963 Buenos Aires ch-ARG – Round 15 – Andrade Herrera, Fernando Alfonso – 1/2-1/2 – Schweber, Samuel – G75 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Nxf6+ gxf6 9. Qd1 Qc7 10. Kf1 Nc2
1963 FRG Ch – Round 15 – Wolk, Sigmund – 1-0 – Hinne, Jobst – G39 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. dxe4 Nxe4 9. Be3 Nxc3 10. bxc3 Qa5
1963 UKR Ch – Round 1 – ? – 1/2-1/2 – Shianovsky, Vladislav I – G1 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb4 9. Bg2 O-O 10. O-O Bf5
1963 Zenica ch YUG – Round 4 – Masic, Ljubomir – 0-1 – Janosevic, Dragoljub – G19 1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. c4 c6 5. Nc3 g6 6. d4 Nbd7 7. O-O Bg7 8. b3 O-O 9. dxe5 dxe5 10. Ba3 Re8
1964 ARG Ch – Round 10 – De Las Heras, Juan Carlos – 1/2-1/2 – Schweber, Samuel – G46 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 Bc5 6. Nb3 Bb4 7. Bg2 d5 8. cxd5 cxd5 9. a3 Bxc3 10. bxc3 O-O
1964 Bordeaux Open – Round 7 – Forintos, Gyozo V – 1-0 – Bilek, Istvan – G22 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Nc6 8. Nxc6 bxc6 9. d3 exd3 10. Qxd3 Bb4
1964 Budapest Ch – Round 1 – Forintos, Gyozo V – 1/2-1/2 – Barczay, Laszlo – G1 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nb3 a5 7. Na4 Qb4 8. Nd4 b5 9. Nc2 Qd6 10. Nb6 Ra6
1964 Budapest ch-HUN – Round 1 – Honfi, K. – 0-1 – Barczay, Laszlo – G7 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nb3 a5 7. d3 a4 8. Nd2 e3 9. fxe3 Ng4 10. Nde4 Nxe3
1964 Buenos Aires – Round 8 – Rossetto, Hector – 1/2-1/2 – Schweber, Samuel – G69 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. d3 Nd4 8. Qd1 h6 9. Nf3 Nxf3+ 10. Bxf3 Be6
1964 DDR Ch 14th – Round 17 – Muehlberg, Siegfried – 1/2-1/2 – Wehnert, Lutz – G22 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. e3 d5 7. cxd5 cxd5 8. Bg2 Nc6 9. Nce2 Bc5 10. Nxc6 bxc6
1964 Tel Aviv olm prel – Round 4 – Ornithopoulos, Nikolaos – 0-1 – Spiridonov, Nikola – G31 1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. Nc3 d5 5. d3 dxc4 6. dxc4 Qc7 7. Nf3 Be6 8. Qa4 h6 9. Nd2 Nbd7 10. Qc2 Be7
1965 Copenhagen – Round 7 – Jakobsen, Ole – 1-0 – Nielsen, Jorgen Lovgren – G64 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Nc6 8. Nxc6 bxc6 9. d3 exd3 10. Qxd3 Bd6
1965 Northern Open – Round 11 – Golombek, Harry – 1-0 – Stephenson, Frederick Norman – G15 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. e3 Na5 8. Qb5+ Bd7 9. Qe2 Be6 10. Nf3 Nc6
1965 Reggio Emilia ITA – Round 11 – Szilagyi, Gyorgy Laszlo – 1-0 – Beggi, Pierluigi – G19 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qb6 7. Nb3 h5 8. Bg2 Bf5 9. d3 Ng4 10. d4 Nf6
1965 Sinaia stud ol prel – Round 3 – Spiridonov, Nikola – 1/2-1/2 – Basman, Michael J – G13 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qb6 7. e3 cxd5 8. Bg2 Nc6 9. Nxc6 bxc6 10. d3 Ba6
1966 Budapest Ch – Round 2 – Szilagyi, Gyorgy Laszlo – 0-1 – Toth, Bela – G1 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 exd3 8. Qxd3 Nc6 9. Bg2 Be7 10. O-O O-O
1966 FRA Ch 41st – Round 7 – Roos, Michel – 1/2-1/2 – Azuaje Rolland, Aidanna Sabrina – G12 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Qb6 8. dxe4 Nxe4 9. Nxe4 dxe4 10. Qc2 Bb4+
1966 Hastings6667 – Round 6 – Hartston, William R – 0-1 – Basman, Michael J – G26 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qb6 7. Nb3 Ng4 8. d4 cxd5 9. Bg2 Bb4 10. O-O Bxc3
1966 La Habana olm fin-C – Round 7 – Philippe, Georges – 0-1 – Naranja, Renato – G20 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Nxf6+ Qxf6 9. Qd1 Bf5 10. d3 Rc8
1966 Sochi – Round 12 – Matulovic, M. – 1/2-1/2 – Kortchnoi, V. – G37 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Qb6 8. Nc2 Bc5 9. O-O Ng4 10. Ne3 d4
1966 Zinnowitz Zinnowitz GER – Round 6 – Gromek, Jozef – 1-0 – Golz, Werner – G19 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb4 9. dxe4 Nxe4 10. Qd4 Bxc3+
1967 Budapest Bajnogsag 8th – Round 12 – Varnusz, Egon – 1-0 – Toth, Bela – G70 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 exd3 8. Qxd3 Nc6 9. Bg2 Be7 10. O-O O-O
1967 Capablanca Memorial – Round 6 – Pachman, Ludek – 1/2-1/2 – Rossetto, Hector – G49 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 d6 5. Bg2 Bg4 6. d4 Nbd7 7. O-O Be7 8. h3 Bxf3 9. Bxf3 O-O 10. e4 Qb6
1967 FRA Ch 42nd – Round 6 – Boutteville, Cesar – 1-0 – Cormier, Kristian – G5 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Nf3 Nbd7 8. Bg2 h6 9. O-O Bd6 10. b3 Ke7
1967 Oxford ch-BCF – Round 9 – Golombek, Harry – 1-0 – Basman, Michael J – G78 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. Bg5 Be7 7. cxd5 cxd5 8. Rd1 Nc6 9. Qa4 O-O 10. Nf3 Be6
1967 Sarajevo – Round 3 – Ivkov, Borislav – 1-0 – Kozomara, Vlado – G16 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb4 9. dxe4 Nxe4 10. Bd2 Qb6
1967 Sofia tt – Round 1 – Golz, Werner – 1-0 – Buza, Adrian – G2 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 Qc7 5. Bg2 Be7 6. O-O O-O 7. d4 d6 8. Qc2 Nbd7 9. Rd1 Re8 10. h3 Bf8
1967 Sweden (ch) – Round 4 – Ek, Hans – 1/2-1/2 – Lundin, Erik – G17 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Nc6 8. Nxc6 bxc6 9. d3 exd3 10. Qxd3 Bb4
1967 Sweden (ch) – Round 4 – Nilsson, Zandor – 1/2-1/2 – Martens, Rolf – G18 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 d4 7. Bxb7 Be6 8. Qa4+ Nbd7 9. Ne4 Rb8 10. Nxf6+ Qxf6
1967 Szczecin ch POL – Round 7 – Dobrzynski, Wojciech – 1/2-1/2 – Adamski, Jan – G31 1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. Nc3 d5 5. cxd5 cxd5 6. d3 Nc6 7. Bg5 Be6 8. Nf3 Be7 9. O-O d4 10. Nb1 O-O
1967 URS Team Ch – Round 1 – Botvinnik, Mikhail – 1/2-1/2 – Boleslavsky, Isaac – G5 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 d6 5. Bg2 g6 6. O-O Bg7 7. d3 Nbd7 8. Bd2 O-O 9. Qc1 Re8 10. Ng5 Nf8
1967 URS Team Ch – Round 1 – Seoev, Robert – 1/2-1/2 – Kholmov, Ratmir D – G13 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. dxe4 dxe4 9. Nb3 Qxd1+ 10. Nxd1 Bb4+
1968 Bamberg – Round 15 – Pfleger, Helmut, Dr. – 0-1 – Keres, Paul – G96 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. Nf3 Be7 7. Bg2 c5 8. Qd3 d4 9. Ne4 Nc6 10. Nxf6+ Bxf6
1968 Buenos Aires – Round 10 – Najdorf, Miguel – 1-0 – Rossetto, Hector – G63 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. e3 d5 7. Qc2 Bd7 8. a3 Be7 9. b4 O-O 10. Bb2 Na6
1968 Buenos Aires Open – Round 6 – Perez Cascella, Julio – 0-1 – Benko, Francisco – G8 1. c4 c6 2. g3 e5 3. Nc3 Nf6 4. d4 d6 5. Bg2 Be7 6. Nf3 e4 7. Nd2 d5 8. O-O h5 9. cxd5 cxd5 10. f3 e3
1968 Buenos Aires Open – Round 7 – Sumiacher, Carlos – 0-1 – Schweber, Samuel – G11 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nc2 Bc5 7. e3 d5 8. Na4 Qa5 9. Nxc5 Qxc5 10. d4 Qb6
1968 Cardenas/Matanzas/Santa Clara – Round 9 – Jimenez Zerquera, Eleazar – 1/2-1/2 – Garcia Martinez, Silvino – G42 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. e3 d5 7. cxd5 cxd5 8. d3 Nc6 9. dxe4 dxe4 10. Bg2 Bb4
1968 Hastings6869 – Round 7 – Smyslov, Vladimir – 1-0 – Persitz, Raaphi – G35 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Nc6 8. Nxc6 bxc6 9. O-O Be7 10. b3 Bf5
1968 Havirov – Round 15 – Giorgadze, Tamaz – 1/2-1/2 – Pantaleev, Dimitar Dimitrov – G51 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 Nc6 7. Nxd5 Nd4 8. Nxf6+ Qxf6 9. Qd1 1/2-1/2
1968 IBM – Round 8 – Ivkov, Borislav – 1/2-1/2 – Jongsma, Alexander – G28 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nb3 a5 7. e3 d5 8. h3 Nbd7 9. d4 exd3 10. cxd5 a4
1968 Kecskemet – Round ? – Golombek, Harry – 0-1 – Barcza, Gedeon – G42 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. e3 d5 7. cxd5 cxd5 8. Bg2 Nc6 9. Nxc6 bxc6 10. O-O Ba6
1968 Lugano ol (Men) fin-A – Round 1 – Polugaevsky, Lev – 1-0 – Rossetto, Hector – G4 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qb6 7. Nb3 cxd5 8. Bg2 Nc6 9. O-O a5 10. d3 a4
1968 Lugano ol (Men) qual-D – Round 1 – Lengyel, Laszlo – 1/2-1/2 – Van der Laat, J. – G2 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 d6 5. Bg2 Be7 6. O-O Be6 7. b3 Qd7 8. Re1 Na6 9. Bb2 Bh3 10. Bh1 Ng4
1968 USSR – Round 1 – Botvinnik, Mikhail – 1-0 – Alexeev, Alexander – G4 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qb6 7. Nb3 a5 8. d4 cxd5 9. Bg2 Be7 10. O-O O-O
1968 Weimar ch DDR – Round 9 – Uhlmann, Wolfgang – 1-0 – Golz, Werner – G15 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb4 9. a3 Bxc3+ 10. bxc3 O-O
1969 DDR Ch women – Round 10 – Pohl, Alessandro – 0-1 – Nowarra, Waltraud – G8 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. e3 Nc6 7. Nge2 Nb4 8. d3 Bf5 9. e4 dxe4 10. dxe4 Qxd1+
1969 EU Ch U20 final-A – Round 5 – Andersson, Ulf 1949 – 1-0 – Atanasov, Petko – G6 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Nf3 Nc6 7. d3 h6 8. O-O Be7 9. a3 O-O 10. b4 a6
1969 IBM I – Round 9 – Hartoch, Robert G – 0-1 – Vasiukov, Evgeni – G33 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. Bg2 dxc4 7. Nc2 Na6 8. Nxe4 Nxe4 9. Bxe4 Nc5 10. Bg2 Be6
1969 IBM-B – Round 3 – Ujtelky, Maximilian – 0-1 – Csom, Istvan – G18 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 Be7 5. e4 O-O 6. Nge2 a6 7. d4 d6 8. O-O b5 9. d5 bxc4 10. dxc6 Nxc6
1969 Monte Carlo – Round 1 – Smyslov, Vladimir – 1-0 – Bronstein, David I – G4 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Bc5 6. Nb3 d6 7. Bg2 Bf5 8. O-O Nbd7 9. d3 exd3 10. exd3 O-O
1969 Rubinstein Memorial – Round 15 – Ivkov, Borislav – 0-1 – Levy, David N L – G56 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nb3 a5 7. d4 a4 8. c5 Qb4 9. Nd2 a3 10. Qc2 Qxd4
1969 Schwerin – Round 7 – Dietze, Wolfgang, Dr. – 0-1 – Golz, Werner – G58 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Nc6 8. Nxc6 bxc6 9. O-O Be7 10. d3 exd3
1969 Tbilisi – Round 1 – Spiridonov, Nikola – 0-1 – Dzindzichashvili, Roman – G1 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 d6 5. Bg2 Be6 6. b3 Nbd7 7. O-O h6 8. d4 e4 9. d5 exf3 10. dxe6 fxg2
1970 IBM – Round 7 – Polugaevsky, Lev – 1-0 – Jongsma, Alexander – G12 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qb6 7. Nb3 cxd5 8. Bg2 Bf5 9. d3 exd3 10. O-O Nc6
1970 Palma de Mallorca Interzonal – Round 21 – Naranja, Renato – 1/2-1/2 – Polugaevsky, Lev – G15 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 d6 5. Bg2 Nbd7 6. O-O g6 7. d4 Bg7 8. dxe5 dxe5 9. Qd6 Bf8 10. Qd3 Qe7
1971 Moscow – Round 1 – Donchenko, Aleksandr R – 1-0 – Alekseev, Aleksandr – G16 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qb6 7. Nb3 a5 8. d3 a4 9. Be3 Qb4 10. Nd2 a3
1975 URS Team Ch – Round 2 – Nevednichy, Boris M – 1/2-1/2 – Dzindzichashvili, Roman – G15 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nc2 Bc5 7. Ne3 d5 8. Na4 Qa5 9. Nxc5 Qxc5 10. cxd5 cxd5
1975 URS Team Ch – Round 3 – Zilberman, Nathan R – 1-0 – Vaganian, Rafael A. – G22 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Qb6 8. Nb3 Bf5 9. d3 exd3 10. O-O d4
1975 URS Team Ch – Round 5 – Zitserman, Tatyana – 0-1 – Litynska, Marta – G18 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nc2 Bc5 7. e3 d5 8. Na4 Qa5 9. Nxc5 Qxc5 10. b4 Qe7
6. Norway Blitz 2018 – Round 5.1 – Carlsen, Magnus – 1/2-1/2 – Ding, Liren – G21 1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 c6 5. e3 O-O 6. Nge2 d5 7. cxd5 Nxd5 8. d4 exd4 9. Nxd5 cxd5 10. Nxd4 Nc6
82. Tata Steel GpA 2020 – Round 5.2 – Caruana, Fabiano – 1/2-1/2 – Van Foreest, Jorden – G28 1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 c6 5. Nf3 e4 6. Nh4 d5 7. cxd5 cxd5 8. d3 Ng4 9. O-O g5 10. dxe4 gxh4
Amber Blindfold 2001 – Round 1 – Ljubojevic, Ljubomir – 1-0 – Gelfand, Boris – G1 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. cxd5 cxd5 7. Nf3 Nc6 8. Qa4 d4 9. Nb5 Bb4+ 10. Bd2 Bxd2+
Croatia GCT 2019 – Round 1.3 – So, Wesley – 1-0 – Ding, Liren – G3 1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 c6 5. e3 O-O 6. Nge2 d5 7. cxd5 Nxd5 8. d4 exd4 9. Nxd5 cxd5 10. exd4 Bb6
FIDE World Cup 2025 – Round R1 Classical 1 – Lu Shanglei – 1/2-1/2 – Blohberger Felix – G60 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c3 Ne7 6. Be2 Ng6 7. a4 f6 8. h4 h5 9. Bd3 fxe5 10. Bxf5 exf5
Interpolis 1979 – Round 5 – Hort, Vlastimil – 1/2-1/2 – Kavalek, Lubomir – G19 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Nf3 Nfd7 8. g4 f6 9. Rg1 Nb6 10. b3 Be6
SportAccord Blitz Men 2013 – Round 23.4 – Wang, Yue(SH) – 0-1 – Vachier-Lagrave, Maxime – G177 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. d4 exd4 5. Qxd4 Na6 6. Nf3 Bc5 7. Qd1 O-O 8. Bg2 Re8 9. O-O Nc7 10. Qc2 Qe7
Tata Steel India Blitz 2019 – Round 10.4 – Nepomniachtchi, Ian – 1-0 – Anand, Viswanathan – G48 1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 c6 5. e4 d6 6. Nge2 Ng4 7. O-O h5 8. Na4 h4 9. Nxc5 hxg3 10. hxg3 dxc5
Tata Steel India Rapid 2019 – Round 3.4 – Nepomniachtchi, Ian – 1-0 – Anand, Viswanathan – G14 1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 c6 5. Nf3 e4 6. Nh4 d5 7. d4 Be7 8. cxd5 cxd5 9. O-O O-O 10. f3 exf3
World Blitz 2019 – Round 17.44 – Nikolov, Nikolay Petrov – 1/2-1/2 – Gajewski, Grzegorz – G1153 1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 c6 5. Nf3 e4 6. Nh4 d5 7. d3 exd3 8. cxd5 cxd5 9. Qxd3 d4 10. Ne4 Bb4+
World Blitz 2023 – Round 6.43 – Iturrizaga Bonelli, Eduardo – 1-0 – Aditya Mittal – G361 1. c4 Nf6 2. g3 e5 3. Bg2 Bc5 4. Nc3 c6 5. e3 d5 6. cxd5 cxd5 7. d4 exd4 8. exd4 Bb4 9. Ne2 h6 10. O-O O-O
World Rapid 2019 – Round 1.16 – Nikolov, Nikolay Petrov – 0-1 – Jakovenko, Dmitry – G9 1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 c6 5. Nf3 e4 6. Nh4 d5 7. d3 Ng4 8. O-O g5 9. d4 Be7 10. f3 Nxh2
World Rapid 2019 – Round 5.26 – Ganguly, Surya Shekhar – 1/2-1/2 – Jakovenko, Dmitry – G312 1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 c6 5. e3 Bb6 6. d4 exd4 7. exd4 d5 8. cxd5 Nxd5 9. Nxd5 cxd5 10. Ne2 Nc6

A23a — Bremen Keres

1.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Bg2 d5 5.cxd5 cxd5

Eval: [+0.30]

Les coups candidats

6.e3 — 58.1% (603 parties)

Ambassadeurs : Fedorchuk, Sergey A. (6x), Lenaerts, Lennert (4x), Rutter, Blair A (4x), Vecek, Marjan (4x), Grueneschild, Hildegard (3x), Artemiev, Vladislav (3x), Owens, Johnny (3x), Klausen, Tor-Arne (3x)

6.Nf3 — 15.6% (162 parties)

Ambassadeurs : Vetter, Udo (3x), Ozcay, Cisem (2x), Geisensetter, Franz (2x), Nikolov, Nikolay Petrov (2x), Liu, Yan (2x), Krause, Christian (2x), Bazakutsa, Svyatoslav (2x), Bolland, Percivale David (1x)

6.d3 — 12.3% (128 parties)

Ambassadeurs : Sfarlog, Tudor-Vlad (2x), Caliskan, Ismail (2x), Csiba, Tibor Dr. (2x), Capablanca, Jose (1x), Bucelo A (1x), Gusev, Nikolay N (1x), Seoev, Robert (1x), Milev, Zdravko (1x)

6.e4 — 7.6% (79 parties)

Ambassadeurs : Weyerstrass, Ronald (2x), Kahl, Fred (2x), Bronts, Geert Kornelis (1x), Jonkheer, Alex (1x), Mitev, Stoyan (1x), Eberle, Werner (1x), Spiegelberg, Olaf (1x), Neumann, Hubertus (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.e3	6.Nf3	6.d3	6.e4
<1800	111	50%	19%	18%	10%
1800-2200	375	61%	14%	12%	6%
2200-2600	209	72%	12%	7%	7%
2600+	33	52%	39%	—	9%

Évolution par décennie (% des parties)

Décennie	N parties	6.e3	6.Nf3	6.d3	6.e4
1900s	1	—	—	—	—
1920s	2	—	50%	—	—
1930s	1	100%	—	—	—
1940s	2	—	50%	50%	—
1950s	1	—	—	100%	—
1960s	4	75%	—	25%	—
1970s	7	86%	—	14%	—
1980s	17	53%	18%	6%	24%
1990s	126	51%	17%	17%	6%
2000s	249	53%	14%	17%	9%
2010s	355	57%	16%	12%	9%
2020s	273	68%	16%	6%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.e3	57%	68%	▲ +10.3%
6.Nf3	16%	16%	+0.3%
6.d3	12%	6%	▼ -5.6%
6.e4	9%	5%	▼ -3.6%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 2 parties
Ding, Liren — 2 parties
Ju, Wenjun — 2 parties
Euwe, Max — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

6.e3 — 58.1% (603 parties)

1936 — Capablanca, Jose vs Siero, M. — 0-1 — Havana CUB
1962 — Nielsen, Axel vs Soby, Frode — 1/2-1/2 — Copenhagen DEN
1968 — Gadia, Olicio vs Van Riemsdijk, Herman C. — 1/2-1/2 — Sao Bernardo
1969 — Aguirre Avila, Alberto vs Rivera Roberto O — 0-1 — ?
1970 — Collins, Richard Arnold vs Wigmore, John Keith — 1-0 — Lancaster

6.Nf3 — 15.6% (162 parties)

1925 — Bolland, Percivale David vs Mansfield, Comins — 1-0 — Weston
1947 — Kolnik, Moss vs Dreyer, Kurt — 0-1 — ?
1987 — Wu, Howard vs Watson, Cody — 1-0 — West Vancouver CAN
1988 — Weber, Marc, Dr. vs Schroeder, Guido — 1-0 — Stetten
1988 — Ulrichsen, Jarl H vs Aulin-Jansson, Joran — 0-1 — NOR-ch Asker NOR

6.d3 — 12.3% (128 parties)

1941 — Capablanca, Jose vs Bucelo A — 1/2-1/2 — Havana CUB
1957 — Gusev, Nikolay N vs Seoev, Robert — 1/2-1/2 — Ashkhabad
1962 — Milev, Zdravko vs Siero, Lucas — 1/2-1/2 — Havana CUB
1978 — Resende, Antonio Carlos vs Cajal, Andre — 1-0 — Tijuca
1981 — Todorcevic Antic, Miodrag vs Nikolic, Stanimir — 1/2-1/2 — Arandjelovac

6.e4 — 7.6% (79 parties)

1980 — Mitev, Stoyan vs Eberle, Werner — 1-0 — Noordwijkerhout
1984 — Spiegelberg, Olaf vs Neumann, Hubertus — 1/2-1/2 — Ottendorf Okrilla
1985 — Weyerstrass, Ronald vs Jonkheer, Alex — 1-0 — Huizen
1987 — Weyerstrass, Ronald vs Bronts, Geert Kornelis — 1-0 — Huizen
1991 — Asmundsson, Ingvar vs Altgelt, Alexander — 1/2-1/2 — ?

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