A23e — English: Bremen, Keres, 4.Nf3 e4

1.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Nf3 e4 * ○ 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 paire de fous.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

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

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; d3 (Libérer Bc1) ; e3 (Libérer Bf1, préparer Bd3) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Be7 (Développer Bf8) ; ...Bg4 (Clouer Nf3) ; ...c5 (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	—	—
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (1v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, a1, h1)	5 (b8, c8, f8, 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	● c4-c5, ● d2-d3, ● d2-d4, ● e2-e3	● …c6-c5, ● …d7-d6, ● …d7-d5

Partie
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
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 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 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 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 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 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 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 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
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 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 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 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 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
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 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
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 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 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 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 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 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 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 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 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 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 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 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
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
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
74. Tata Steel GMA 2012 – Round 9 – Nakamura, Hikaru – 1/2-1/2 – Topalov, Veselin – G57 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nb3 a5 7. d3 a4 8. Nd2 exd3 9. exd3 Bc5 10. Qe2+ Kd8
FIDE WCh KO 2000 – Round 2.4 – Bacrot, Etienne – 0-1 – Svidler, Peter – G11 1. c4 Nf6 2. Nc3 e5 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nc2 d5 7. Bg2 dxc4 8. O-O Be6 9. Nxe4 Nxe4 10. Bxe4 Nd7
Lindores Abbey Tal Memorial 2021 – Round 3.41 – Rogule, Laura – 0-1 – Vachier-Lagrave, Maxime – G154 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Bc5 6. Nb3 Bb4 7. Bg2 Qe7 8. O-O O-O 9. d3 d5 10. cxd5 cxd5
World Blitz 2022 – Round 3.73 – Yilmaz, Mustafa – 1/2-1/2 – Zverev, Lev – G175 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 Qb6 6. e3 d5 7. Bg2 Be7 8. cxd5 cxd5 9. d3 exd3 10. Qxd3 Nc6

A23e — Bremen Keres

1.c4 e5 2.Nc3 Nf6 3.g3 c6 4.Nf3 e4

Eval: [+0.09]

Les coups candidats

5.Nd4 — 96.6% (1229 parties)

Ambassadeurs : Leisebein, Peter (17x), Grott, Peter (8x), Schindler, Sven (8x), Taimanov, Mark (7x), Ivkov, Borislav (6x), Golz, Werner (6x), Forintos, Gyozo V (6x), Roos, Michel (6x)

5.Ng5 — 3.3% (42 parties)

Ambassadeurs : Boeven, Manfred (3x), Haziprodromu, Sam (2x), Beutum, Sigmund (1x), Wolf, Siegfried (1x), O'Callahan, R.M (1x), Sarapu, Ortvin (1x), Rosenberg, Arie (1x), Filipowicz, Andrzej (1x)

5.Ng1 — 0.1% (1 parties)

Ambassadeurs : Panugaling, Ronilo (1x), Salmelin, Aaro (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Nd4	5.Ng5	5.Ng1
<1800	28	89%	11%	—
1800-2200	346	95%	4%	0%
2200-2600	345	99%	1%	—
2600+	19	100%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5.Nd4	5.Ng5	5.Ng1
1920s	1	—	100%	—
1950s	25	96%	4%	—
1960s	94	99%	1%	—
1970s	143	99%	1%	—
1980s	134	99%	1%	—
1990s	233	94%	6%	—
2000s	285	95%	5%	—
2010s	234	96%	4%	0%
2020s	123	98%	2%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Nd4	96%	98%	▲ +2.6%
5.Ng5	4%	2%	▼ -2.2%
5.Ng1	0%	0%	-0.4%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 4 parties
Smyslov, Vladimir — 2 parties
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie

Parties historiques

5.Nd4 — 96.6% (1229 parties)

1955 — Taimanov, Mark vs Vladimirov, Boris T — 1/2-1/2 — Leningrad RUS
1955 — Taimanov, Mark vs Gawlikowski, Stanislaw — 1/2-1/2 — Lodz POL
1957 — Doda, Zbigniew vs Plater, Kazimierz — 1/2-1/2 — Szczawno Zdroj
1957 — Taimanov, Mark vs Mikenas, Vladas — 1/2-1/2 — Moskou ch-URS
1957 — Kortchnoi, V. vs Keres, P. — 1/2-1/2 — Moskou ch-URS

5.Ng5 — 3.3% (42 parties)

1928 — Beutum, Sigmund vs Wolf, Siegfried — 1/2-1/2 — Vienna AUT
1959 — Rosenberg, Arie vs Filipowicz, Andrzej — 1/2-1/2 — Budapest HUN
1965 — O'Callahan, R.M vs Sarapu, Ortvin — 0-1 — NZ ch
1971 — Deslauriers, Jean vs Negro Jacques — 0-1 — ?
1987 — Mueller, Georg vs Marotz, HJ. — 0-1 — EU-ch GT269 corr

5.Ng1 — 0.1% (1 parties)

2018 — Panugaling, Ronilo vs Salmelin, Aaro — 0-1 — ICCF

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