A04f — Reti: 1…c5

1.Nf3 c5 2.g3 g6 3.Bg2 Bg7 4.O-O Nc6 * ○ 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. Le fou enfermé en c8 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).

Plans. Nbd2 (Développer Nb1) ; d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4) ; c3 (Préparer d4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes b4, d4 et e5, un fou actif en g7 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et g2.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier g8, le fou c8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Nf6 (Développer Ng8) ; ...Bg4 (Clouer Nf3) ; ...c4 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (b1, c1, a1)	4 (g8, c8, a8, h8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c2-c3, ● d2-d3, ● e2-e3	● …c5-c4, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
1957 Dallas – Round ? – Evans, Larry M – 1-0 – Najdorf, Miguel – G58 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. e4 d6 6. c3 e5 7. d3 Nh6 8. Ne1 O-O 9. f4 exf4 10. Bxf4 Ng4
1957 Mar del Plata – Round 15 – Wexler, Bernardo – 0-1 – Sanguineti, Raúl Carlos – G132 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. e4 e5 6. d3 Nge7 7. c4 a6 8. Nc3 Rb8 9. Ne1 d6 10. Nc2 b5
1957 USA Ch Open 58th – Round 12 – Santasiere, Anthony – 1-0 – Berliner, Hans – G88 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. e4 d6 6. c3 e5 7. d3 Nge7 8. Be3 O-O 9. d4 exd4 10. cxd4 Qb6
1958 Mar del Plata – Round 11 – Behrensen, Joern – 1/2-1/2 – Sanguinetti, Ricardo – G84 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c4 a6 6. Nc3 Rb8 7. a3 b5 8. cxb5 axb5 9. b4 cxb4 10. axb4 Nh6
1959 Asztalos Memorial 2nd – Round 6 – Bilek, Istvan – 1/2-1/2 – Forintos, Gyozo V – G11 1. g3 g6 2. Bg2 Bg7 3. Nf3 c5 4. O-O Nc6 5. c4 a6 6. Nc3 Rb8 7. a4 d6 8. d3 Bd7 9. Bd2 Nf6 10. Ne1 O-O
1959 CSR Ch – Round 6 – Olexa, Vilem – 0-1 – Pachman, Ludek – G51 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. e4 d6 6. c3 e5 7. d3 Nge7 8. Be3 O-O 9. a3 h6 10. b4 b6
1959 Lima – Round 8 – Alvarez Espinoza, Crishopher Damian – 0-1 – Pachman, Ludek – G44 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c3 e5 6. d3 Nge7 7. Nbd2 O-O 8. Rb1 d6 9. a3 a5 10. a4 h6
1959 Lodz ch POL – Round 1 – Drozd, Ryszard – 1-0 – Doda, Zbigniew – G7 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. e3 d6 6. d4 Bd7 7. c4 Nf6 8. Nc3 O-O 9. b3 Qc8 10. Bb2 Rb8
1960 Budapest – Round 1 – Bilek, Istvan – 1/2-1/2 – Trifunovic, Petar – G14 1. g3 g6 2. Bg2 Bg7 3. Nf3 c5 4. O-O Nc6 5. e4 e6 6. c3 Nge7 7. d3 O-O 8. Bf4 e5 9. Bg5 h6 10. Be3 d6
1961 CHI Ch – Round 4 – Jauregui, Carlos – 1-0 – Ader Hausman, Walter – G11 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c3 Nh6 6. e4 O-O 7. d4 f5 8. dxc5 b6 9. cxb6 Qxb6 10. exf5 Nxf5
1961 Reggio Emilia ITA – Round 3 – Marthaler, Otto – 1/2-1/2 – Pirc, Vasja – G5 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c3 e5 6. d3 d5 7. e4 Nge7 8. Re1 dxe4 9. dxe4 Qxd1 10. Rxd1 O-O
1961 Warsaw-Budapest m – Round ? – Gawlikowski, Stanislaw – 1/2-1/2 – Navarovszky, Laszlo – G32 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c4 a6 6. d3 Rb8 7. Nc3 d6 8. Bd2 Nf6 9. Qc1 O-O 10. Bh6 b5
1962 Argentina – Round 1 – Goldenberg, Edgardo – 0-1 – Bielicki, Carlos – G27 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. e4 Nf6 6. Re1 d5 7. exd5 Nxd5 8. Nc3 Ndb4 9. a3 Na6 10. d3 O-O
1962 Skopje ch17-YUG – Round 2 – Pirc, Vasja – 1/2-1/2 – Buljovcic, Ivan – G90 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. e4 Nf6 6. Re1 d5 7. exd5 Nxd5 8. Nc3 Nc7 9. b3 O-O 10. Bb2 b6
1963 HUN-RSFSR – Round 1.6 – Lein, Anatoly – 1/2-1/2 – Flesch, Janos – G7 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c4 a6 6. Nc3 Rb8 7. e3 d6 8. h3 Nh6 9. d4 cxd4 10. exd4 Nf5
1963 Luzern Clare Benedic – Round ? – Beni, Alfred – 1/2-1/2 – Schmid, Lothar – G35 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c3 e5 6. e4 Nge7 7. d3 O-O 8. Nbd2 d5 9. Re1 d4 10. cxd4 Nxd4
1964 Tel Aviv olm – Round 1 – Camarena Meza, Jackeline Edy – 1/2-1/2 – Parma, Bruno – G120 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. e4 d6 6. Nc3 e5 7. d3 Nge7 8. Ne2 O-O 9. Nh4 d5 10. Be3 b6
1964 WchT U26 11. fin-B – Round 9.1 – Jongsma, Alexander – 1/2-1/2 – Brostrom, Goran – G41 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c3 e5 6. e4 Nge7 7. Na3 O-O 8. Nc2 f5 9. d3 d6 10. b4 cxb4
1965 Zinnowitz 02nd – Round 3 – Bruentrup, Dieter – 1/2-1/2 – Neukirch, Detlef – G8 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c4 a6 6. Nc3 Rb8 7. b3 b5 8. cxb5 axb5 9. Bb2 d6 10. Qc1 Nf6
1966 Asztalos Memorial 9th – Round 4 – Barczay, Laszlo – 1/2-1/2 – Kavalek, Lubomir – G21 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c4 a6 6. Nc3 Rb8 7. d3 b5 8. Nd2 Na5 9. Nb3 d6 10. Nxa5 Qxa5
1966 Parcetic Memorial 2nd – Round 3 – Masic, Ljubomir – 1-0 – Malich, Burkhard, Dr. – G13 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c4 a6 6. Nc3 Rb8 7. a4 d6 8. d3 Nh6 9. e4 O-O 10. h3 f5
1967 Maribor – Round 1 – Pirc, Vasja – 1/2-1/2 – Lengyel, Laszlo – G11 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c3 e5 6. e4 Nge7 7. d3 d5 8. exd5 Nxd5 9. Nbd2 Nc7 10. Nb3 Ne6
1967 Maribor – Round 1 – Udovcic, Mijo – 1-0 – Crepinsek, Ljubomir – G12 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c4 a6 6. Nc3 Rb8 7. a4 d6 8. d3 e5 9. Nd5 Nge7 10. Ne1 Nxd5
1967 Salgotarjan – Round 1 – Bilek, Istvan – 1-0 – Kavalek, Lubomir – G7 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. e4 d6 6. c3 Nf6 7. d3 O-O 8. Nbd2 Bg4 9. h3 Bxf3 10. Qxf3 Nd7
1967 Sousse Interzonal – Round 11 – Hort, Vlastimil – 1/2-1/2 – Gipslis, Aivars – G103 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. e4 e5 6. d3 Nge7 7. Be3 b6 8. Nc3 Nd4 9. Qd2 O-O 10. Bh6 d6
1967 Sweden (ch) – Round 13 – Ekenberg, Bengt – 0-1 – Johansson, Martin 1979 – G68 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. e4 e5 6. d3 Nge7 7. Be3 d6 8. Qd2 O-O 9. a4 Nd4 10. Nxd4 cxd4
1968 Lugano olm - Round 1 - Csom, Istvan - 1/2-1/2 - Matulovic, Milan - G450 1. g3 g6 2. Bg2 Bg7 3. Nf3 c5 4. O-O Nc6 5. c3 e5 6. d4 cxd4 7. cxd4 Nxd4 8. Nxd4 exd4 9. Na3 Ne7 10. Bf4 O-O
1968 Palma de Mallorca – Round 13 – Toran Albero, Roman – 0-1 – Larsen, Benjamin Holsko – G121 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c3 e5 6. e4 Nge7 7. d3 O-O 8. a3 d6 9. b4 b6 10. Nbd2 h6
1968 Rubinstein Memorial – Round 1 – Forintos, Gyozo V – 0-1 – Schmidt, Waldemar – G13 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c4 a6 6. Nc3 Rb8 7. a4 d6 8. d3 Nf6 9. Rb1 O-O 10. Bd2 Bd7
1968 Varna – Round 5 – Spiridonov, Nikola – 1/2-1/2 – Minev, Nikolay N – G16 1. g3 g6 2. Nf3 Bg7 3. Bg2 c5 4. O-O Nc6 5. c4 a6 6. Nc3 Rb8 7. a4 d6 8. d3 Nf6 9. Ne1 O-O 10. Nc2 Ne8
1969 FRG Team Ch – Round 3.4 – Berner, Wolfram – 0-1 – Eising, Johannes – G16 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c4 e6 6. e4 Nge7 7. Nc3 O-O 8. d3 d6 9. Rb1 Bd7 10. Be3 Nd4
1969 Hoogovens – Round 6 – Olafsson, Fridrik – 1-0 – Ostojic, Predrag – G51 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c3 e5 6. d3 Nge7 7. a3 O-O 8. b4 cxb4 9. axb4 Nxb4 10. cxb4 e4
1969 Leeuwarden ch-NED – Round 6 – Timman, Jan H – 1-0 – Van Baarle, John – G34 1. g3 c5 2. Bg2 Nc6 3. Nf3 g6 4. O-O Bg7 5. c3 Nf6 6. d4 cxd4 7. cxd4 d6 8. d5 Ne5 9. Nxe5 dxe5 10. Nc3 O-O
1969 POL Ch 26th – Round 8 – Manasterski, Lutoslaw – 0-1 – Schmidt, Wlodzimierz – G36 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c4 e6 6. d3 Nge7 7. a3 O-O 8. Nc3 d5 9. cxd5 exd5 10. e4 dxe4
1969 Vilnius – Round 5 – Timman, Jan H – 0-1 – Faibisovich, Vadim Z – G32 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c3 e5 6. d3 Nge7 7. a3 O-O 8. b4 d6 9. Bb2 h6 10. Qc2 Be6
1969 WchT U26 fin-B 16th – Round 6.1 – Sigurjonsson, Gudmundur – 1-0 – Gelfer, Israel – G35 1. Nf3 g6 2. g3 Bg7 3. Bg2 c5 4. O-O Nc6 5. e4 e6 6. Re1 Nge7 7. c3 O-O 8. d4 cxd4 9. cxd4 d5 10. e5 Bd7
1970 IBM – Round 1 – Timman, Jan H – 1-0 – Piket, Jeroen – G171 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c3 e5 6. d3 Nge7 7. a3 O-O 8. b4 cxb4 9. axb4 Nxb4 10. cxb4 e4
1971 Hoogovens – Round 5 – Olafsson, Fridrik – 1-0 – Ree, Hans – G220 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c3 e5 6. d3 Nge7 7. a3 a5 8. a4 O-O 9. Na3 d5 10. e4 d4
Amber Blindfold 2006 – Round 4 – Aronian, Levon – 1/2-1/2 – Nielsen, Peter Heine – G15 1. g3 c5 2. Bg2 g6 3. Nf3 Bg7 4. O-O Nc6 5. c3 e5 6. d3 Nge7 7. Nbd2 O-O 8. a3 a5 9. Qa4 Rb8 10. Qh4 d5
GCT Blitz YourNextMove 2016 – Round 7.2 – Caruana, Fabiano – 0-1 – Vachier-Lagrave, Maxime – G32 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c3 d5 6. d4 cxd4 7. cxd4 Nh6 8. Nc3 Nf5 9. e3 O-O 10. b3 Re8
Mar del Plata 1982 – Round 1 – Quinteros, Miguel Angel – 0-1 – Portisch, Lajos – G49 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. e4 e5 6. d3 Nge7 7. h4 d6 8. Ng5 h6 9. Nh3 Be6 10. f4 Qd7
Munich Intel Express blitz '5 1994 – Round 1 – Cvitan, Ognjen – 1/2-1/2 – Anand, Viswanathan – G14 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c3 d5 6. d4 cxd4 7. cxd4 Bg4 8. Nc3 e6 9. Ne5 Nxe5 10. dxe5 h5
Norway Chess blitz 2nd 2014 – Round 5.1 – Caruana, Fabiano – 0-1 – Karjakin, Sergey – G17 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. e4 Nf6 6. Qe2 d5 7. d3 O-O 8. e5 Ne8 9. h3 Nc7 10. c3 d4
SportAccord Blitz 2014 – Round 13.3 – Wang, Yue(SH) – 1-0 – Dominguez Perez, Leinier – G98 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c3 e5 6. e4 Nge7 7. d3 O-O 8. a3 a5 9. a4 d6 10. Na3 h6
SuperGM 2002 – Round 4 – Ivanchuk, Vasyl – 1/2-1/2 – Kasparov, Garry – G7 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c3 d5 6. d4 cxd4 7. cxd4 e6 8. Nc3 Nge7 9. b3 O-O 10. Qd2 b6
Szirak Interzonal 1987 – Round 14 – Todorcevic Antic, Miodrag – 1/2-1/2 – Andersson, Ulf 1949 – G26 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c3 e5 6. e4 Nge7 7. d3 O-O 8. a3 d5 9. Nbd2 h6 10. b4 cxb4
Tal Memorial Blitz 2014 – Round 12.6 – Svidler, Peter – 1/2-1/2 – Grischuk, Alexander – G72 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. e4 d6 6. c3 e5 7. a3 Nge7 8. b4 O-O 9. d3 h6 10. Nbd2 Be6
Tal Memorial Blitz 2014 – Round 14.5 – Kramnik, Vladimir – 1/2-1/2 – Leko, Peter – G83 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. Nc3 e6 6. a3 Nge7 7. Rb1 a5 8. d3 O-O 9. e4 d6 10. a4 e5
Tal Memorial Blitz 2014 – Round 8.5 – Kramnik, Vladimir – 1-0 – Svidler, Peter – G47 1. Nf3 g6 2. g3 Bg7 3. Bg2 c5 4. O-O Nc6 5. Nc3 d5 6. a3 e5 7. e4 d4 8. Nd5 Nge7 9. c4 dxc3 10. dxc3 h6
Tata Steel India Blitz 2022 – Round 11.4 – Gukesh D – 1-0 – Maghsoodloo, Parham – G52 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c4 a6 6. Nc3 Rb8 7. e3 b5 8. cxb5 axb5 9. d4 b4 10. Ne4 c4
World Blitz 2015 – Round 8.9 – Bocharov, Dmitry – 1/2-1/2 – Svidler, Peter – G525 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. e4 Nf6 6. Re1 d5 7. exd5 Nxd5 8. d3 O-O 9. Nbd2 b6 10. Nc4 Bb7
World Blitz 2016 – Round 15.38 – Kozul, Zdenko – 1-0 – Hirneise, Tobias – G611 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c3 d5 6. d4 cxd4 7. cxd4 e6 8. Nc3 Nge7 9. Bf4 O-O 10. Qd2 Nf5
World Blitz 2016 – Round 3.4 – Kozul, Zdenko – 0-1 – Dominguez Perez, Leinier – G127 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c3 e5 6. e4 Nge7 7. d3 O-O 8. a3 d6 9. b4 b6 10. b5 Na5
World Blitz 2016 – Round 9.12 – Banikas, Hristos – 0-1 – Dominguez Perez, Leinier – G347 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c3 e5 6. d3 Nge7 7. a3 O-O 8. b4 b6 9. Bb2 d5 10. bxc5 bxc5
World Blitz 2017 – Round 13.6 – Petrosian, Tigran L. – 1-0 – Le, Quang Liem – G706 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. e4 e5 6. c3 Nge7 7. d3 O-O 8. Nbd2 d5 9. a3 b6 10. Re1 Ba6
World Blitz 2023 – Round 5.55 – Fedoseev, Vladimir – 1-0 – Bilguun, Sumiya – G305 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c3 e5 6. e4 Nge7 7. Na3 O-O 8. Nc4 d6 9. a4 Rb8 10. d3 h6
World Blitz 2023 – Round 7.54 – Keymer, Vincent – 1-0 – Bilguun, Sumiya – G424 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c4 d6 6. e3 e5 7. Nc3 Nge7 8. a3 a5 9. d3 O-O 10. Nd2 Be6
World Blitz Final 2012 – Round 11 – Svidler, Peter – 1/2-1/2 – Topalov, Veselin – G84 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. e4 d6 6. Re1 Nf6 7. c3 O-O 8. d4 Bg4 9. dxc5 dxc5 10. Qc2 Nd7
World Blitz Final 2012 – Round 6 – Topalov, Veselin – 1/2-1/2 – Andreikin, Dmitry – G46 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c3 Nf6 6. d3 d5 7. Bf4 O-O 8. Ne5 Bd7 9. Qb3 Nxe5 10. Bxe5 Bc6
World Rapid 2021 – Round 4.47 – Sindarov, Javokhir – 1/2-1/2 – Vakhidov, Jakhongir – G234 1. Nf3 g6 2. g3 Bg7 3. Bg2 c5 4. O-O Nc6 5. c3 e5 6. e4 Nge7 7. d3 d5 8. Nbd2 O-O 9. Re1 d4 10. cxd4 cxd4

A04f —

1.Nf3 c5 2.g3 g6 3.Bg2 Bg7 4.O-O Nc6

Eval: [+0.20]

Les coups candidats

5.d3 — 39.7% (2677 parties) →

Ambassadeurs : Bilek, Istvan (23x), Weindl, Alfred (11x), Keschitz, Gyorgy (9x), Csom, Istvan (8x), Doda, Zbigniew (8x), Shoker, Samy (8x), Lomsadze, Davit (8x), Poor, Istvan (7x)

5.c4 — 31.6% (2131 parties)

Ambassadeurs : Vastrukhin, Oleg (33x), Bruch, Jochen (10x), Pirc, Vasja (9x), Neckar, Lubomir (7x), Bilek, Istvan (6x), Halmeenmaki, Tuomo (6x), Stefanovic, Vladimir (6x), Malich, Burkhard, Dr. (5x)

5.e4 — 14.0% (943 parties)

Ambassadeurs : Hagesather, Ellen (7x), Bilek, Istvan (5x), Nikolac, Juraj (5x), Hennigan, Michael T (5x), Adly, Ahmed (5x), Najdorf, Miguel (4x), Opalka, Guido (4x), Todorcevic Antic, Miodrag (4x)

5.c3 — 12.8% (865 parties)

Ambassadeurs : Velikov, Petar (11x), Todorcevic Antic, Miodrag (9x), Planinec, Albin (8x), Bischoff, Klaus (8x), Avedisian, Alexander (8x), Damljanovic, Branko (7x), Demidov, Mikhail (6x), Piesik, Piotr (6x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.d3	5.c4	5.e4	5.c3
<1800	115	52%	17%	10%	17%
1800-2200	2038	46%	31%	12%	9%
2200-2600	3593	34%	34%	15%	15%
2600+	106	24%	33%	16%	24%

Évolution par décennie (% des parties)

Décennie	N parties	5.d3	5.c4	5.e4	5.c3
1940s	3	67%	33%	—	—
1950s	37	24%	32%	27%	14%
1960s	186	40%	40%	12%	7%
1970s	361	43%	20%	15%	20%
1980s	402	38%	29%	13%	18%
1990s	1212	42%	29%	14%	13%
2000s	1657	42%	30%	14%	12%
2010s	2302	39%	33%	14%	12%
2020s	586	30%	39%	15%	12%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.d3	39%	30%	▼ -8.7%
5.c4	33%	39%	▲ +5.8%
5.e4	14%	15%	▲ +0.6%
5.c3	12%	12%	+0.1%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 5 parties
Hou, Yifan — 5 parties
Gukesh D — 5 parties
Kasparov, Garry — 4 parties
Carlsen, Magnus — 4 parties
Anand, Viswanathan — 3 parties
Tal, Mikhail — 2 parties
Karpov, Aleksandr — 1 partie
Ding, Liren — 1 partie

Parties historiques

5.d3 — 39.7% (2677 parties)

1944 — Pelikan, Jan vs Iliesco, Juan — 1-0 — Mar del Plata ARG
1948 — Benderev, Yurij vs Dimitrov Krastev, Krastjo — 0-1 — Sofia BUL
1954 — Horberg, Bengt-Eric vs Barcza, Gedeon — 0-1 — Amsterdam NED
1954 — Horberg, Bengt-Eric vs Barcza, Gedeon — 0-1 — Amsterdam olm
1955 — Alster, Ladislav vs Ivanco, Imrich — 1-0 — Prague CZE

5.c4 — 31.6% (2131 parties)

1944 — Pelikan, Jorge vs Iliesco, Juan — 1-0 — La Plata Jockey Club
1955 — Pirc, Vasja vs Castaldi, Vincenzo — 1-0 — Hamburg GER
1955 — Gabrovsek Zdravko vs Bogdanovic, Rajko — 0-1 — Ljubljana
1956 — Evans, Larry vs Reshevsky, Samuel — 1/2-1/2 — New York, NY USA
1957 — Fuchs, Reinhart vs Eising, Johannes — 1/2-1/2 — Soemmerda

5.e4 — 14.0% (943 parties)

1953 — Donner, Bernd vs Fuderer, Andrija — 0-1 — Saarbruecken
1956 — Lokvenc, Josef vs Donner, Bernd — 0-1 — Lenzerheide
1957 — Evans, Larry vs Najdorf, Miguel — 1-0 — Dallas, TX USA
1957 — Gipslis, Aivars vs Klavins, Janis — 1-0 — Riga LAT
1957 — Santasiere, Anthony vs Berliner, Hans — 1-0 — Cleveland, OH USA

5.c3 — 12.8% (865 parties)

1952 — Salo, Tapio vs Johansson, Ingemar 1966 — 0-1 — Helsinki olm
1955 — Tepper, Marcel vs Ivanco, Imrich — 1/2-1/2 — Stary Smokovec SVK
1956 — Kostiuchenko, Alexander vs Rotstein, Jefim — 1-0 — Kiev UKR
1956 — Ziliahi, Z. vs Keresztesy, G. — 1-0 — Budapest HUN
1959 — Alvarez Espinoza, Crishopher Damian vs Pachman, Ludek — 0-1 — Lima PER

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