A14f — English: Neo-Catalan Declined, 5…O-O 6.b3

1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3 * ● Trait aux Noirs

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.

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

Plans. Nc3 (Développer Nb1) ; d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte e4, un fou actif en e7 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et g2.

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

Plans. ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)) ; ...Nbd7 (Développer Nb8) ; ...Bg4 (Clouer Nf3) ; ...c6 (Rupture) ; ...c5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bg2	● Bg2 Enfermé (mob. 2)
Be7		● Be7 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	3 (b1, c1, a1)	3 (b8, c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● d2-d3, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d5-d4, ● …e6-e5

Partie
1926 Bardejov – Round 13 – Mueller, Hans – 0-1 – Asztalos, Lajos – G66 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 a5 7. Bb2 a4 8. d4 a3 9. Bc1 Nbd7 10. c5 c6
1929 Rogaska Slatina - Round 8 - Takacs, Sandor - 1-0 - Maroczy, Geza - G26 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 Re8 8. d3 a5 9. a3 Bf8 10. Qc2 c5
1935 Hastings3536 – Round 3 – Alexander Ronald Cheng – 1-0 – Bellod Thomas, Gonzalo – G12 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. d3 Nbd7 8. Bb2 Qc7 9. Nc3 Rd8 10. Qc2 Nf8
1938 Argentina – Round 19 – Nogues Acuna, Alejandro – 1-0 – Benko, Francisco – G48 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 d4 7. Bb2 Nc6 8. e3 e5 9. exd4 exd4 10. d3 h6
1938 Krefeld – Round 1 – Kieninger, Georg – 1/2-1/2 – Elsas, Hansgeorg – G1 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. b3 d4 7. e3 c5 8. exd4 cxd4 9. Ba3 Bxa3 10. Nxa3 Nc6
1939 Buenos Aires ol f-A – Round 14 – Engels, Ludwig – 1-0 – Bergqvist, Nils – G277 1. Nf3 e6 2. g3 d5 3. Bg2 Nf6 4. O-O Be7 5. c4 O-O 6. b3 Ne4 7. a3 f5 8. d3 Bf6 9. Ra2 Nc5 10. b4 Ncd7
1947 Buenos Aires ch-ARG – Round 1 – Rebizzo, Cayetano – 1-0 – Martinez, Jose Enrique – G6 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Nc3 c6 8. Bb2 b6 9. d3 Bb7 10. Qc2 c5
1947 Buenos Aires/La Plata – Round 10 – Eliskases, Erich – 1/2-1/2 – Pilnik, Herman – G25 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. b3 d4 7. Bb2 c5 8. b4 a5 9. b5 Qc7 10. d3 e5
1948 Buenos Aires – Round 1 – Iliesco, Juan – 1-0 – Camara Bordon, Luis Marcos – G3 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6 8. d3 b6 9. Nbd2 Bb7 10. Qc2 Rc8
1950 Amsterdam ch-NED – Round 1 – Euwe, Max – 1-0 – Spanjaard, Eduard – G37 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 d4 7. Bb2 c5 8. b4 Nfd7 9. bxc5 e5 10. e3 Bxc5
1951 Augsburg – Round 14 – Niephaus, Walter – 1/2-1/2 – Staudte, Hans-Hilmar – G48 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6 8. d3 Re8 9. Nbd2 Bf8 10. d4 Ne4
1951 Mar del Plata zt – Round 15 – Bolbochan, J. – 1/2-1/2 – Sumar, Julio – G151 1. Nf3 Nf6 2. c4 e6 3. g3 Be7 4. Bg2 O-O 5. O-O d5 6. b3 c6 7. Bb2 Nbd7 8. Qc2 Qc7 9. d4 b6 10. Nc3 Bb7
1951 Travemuende – Round 2 – Heinicke, Herbert – 1-0 – Rellstab, Ludwig – G3 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6 8. Qc2 b6 9. d3 Bb7 10. e4 Ne8
1956 Candidats Tournament – Round 3 – Panno, Oscar – 1/2-1/2 – Geller, Efim P – G10 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 a5 7. d4 a4 8. Na3 c6 9. Bb2 Nbd7 10. e3 Qa5
1956 Moskou olm – Round 1 – Frost Nielsen, Alexander – 1-0 – Sefc, Jan – G7 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2 Nbd7 8. d3 Re8 9. Nbd2 Bf8 10. Qc2 e5
1956 YUG-GER – Round 1.4 – Pirc, Vasja – 1/2-1/2 – Pfeiffer, Gerhard – G4 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 a5 7. Nc3 c6 8. d4 Ne4 9. Bb2 Nxc3 10. Bxc3 Nd7
1957 CSR Ch – Round 19 – Koska, Josef – 0-1 – Fichtl, Jiri – G77 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 b6 8. d3 Bb7 9. Nbd2 c5 10. e3 Rc8
1957 San Benedetto – Round 1 – Barcza, Gedeon – 1-0 – Mueller, Hans – G3 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Qc2 c6 8. Ba3 Re8 9. Rc1 Bxa3 10. Nxa3 Qe7
1957 URS Ch, semi final – Round 1 – Prokhorovich, Taras E – 1/2-1/2 – Ilivitsky, Georgy A – G31 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 a5 7. Ba3 Bxa3 8. Nxa3 Qe7 9. Nc2 Nc6 10. d4 Rd8
1957 URS Ch, semi final – Round 18 – Reshko, Aron – 1/2-1/2 – Kotov Lundqvist, Alex – G169 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 b6 8. cxd5 exd5 9. Nc3 Bb7 10. Rc1 Re8
1958 GDR Ch Schkopau GER – Round 4 – Handel, Horst – 0-1 – Zirngibl, Albert – G20 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. b3 Be7 5. Nf3 O-O 6. O-O d4 7. d3 Nc6 8. a3 a5 9. e4 e5 10. Bd2 Bg4
1958 HUN Ch Budapest HUN – Round 2 – Barczay, Laszlo – 0-1 – Honfi, Karoly – G6 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Ba3 b5 8. Bxe7 Qxe7 9. Nc3 b4 10. Na4 Nbd7
1958 Munich olm prel – Round 9 – Bilek, Istvan – 1/2-1/2 – Kostro, Jerzy – G193 1. c4 Nf6 2. g3 e6 3. Nf3 d5 4. b3 Be7 5. Bg2 O-O 6. O-O c6 7. Ba3 Nbd7 8. Qc1 b6 9. d4 Bb7 10. Nbd2 c5
1958 YUG Ch sf – Round 13 – Udovcic, Mijo – 1/2-1/2 – Rodic, Ivana – G40 1. c4 e6 2. Nf3 Nf6 3. g3 Be7 4. Bg2 d5 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6 8. d3 b5 9. Nbd2 Rb8 10. Qc2 Bd6
1959 Krakow POL – Round 5 – Forintos, Gyozo V – 1/2-1/2 – Kostro, Jerzy – G5 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 c6 7. Bb2 Nbd7 8. d3 b6 9. cxd5 cxd5 10. Nd4 Bb7
1960 It Bad Salzungen GER – Round 9 – Fuchs, Reinhart – 1-0 – Lengyel, Levente – G41 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 d4 7. Bb2 Nc6 8. e3 e5 9. exd4 exd4 10. d3 Bf5
1960 Mar del Plata – Round 3 – Wexler, Bernardo – 1-0 – Ait Saadi, Lina – G33 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 d4 7. e3 c5 8. d3 Nc6 9. e4 e5 10. Nbd2 Ne8
1960 Nimzowitsch Memorial – Round ? – Barendregt, Johan – 0-1 – Orbaan, Constant – G59 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 Nbd7 7. Bb2 c6 8. d3 b6 9. Nbd2 Bb7 10. cxd5 cxd5
1960 Olympiad final A – Round 5 – Darga, Klaus – 1/2-1/2 – Minev, Nikolay N – G11 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2 Nbd7 8. d3 Re8 9. Nbd2 Bf8 10. d4 b6
1961 Hastings6162 – Round 8 – Botvinnik, Mikhail – 1-0 – Bisguier, Arthur B – G35 1. g3 d5 2. Nf3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c6 7. Bb2 b5 8. d3 Nbd7 9. Nbd2 Bb7 10. Qc2 Rc8
1961 Oberhausen etc – Round 5 – Haag, Ervin – 1/2-1/2 – Ciric, Dimitrije – G125 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Na3 Nbd7 8. Bb2 b6 9. Rc1 Bb7 10. cxd5 cxd5
1961 Zagreb – Round 7 – Udovcic, Mijo – 1/2-1/2 – Ciric, Dragoljub M – G69 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 b6 8. Nc3 c6 9. d4 Bb7 10. Rc1 Rc8
1962 Erevan ch-URS – Round 1 – Taimanov, Mark E – 1-0 – Korelov, Alexander P – G7 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2 b5 8. d3 Bb7 9. Nbd2 Nbd7 10. Qc2 bxc4
1962 Hungary – Round 17 – Bakos, S – 1/2-1/2 – Pogats, Jozsef Jr. – G129 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 b6 8. cxd5 exd5 9. Nd4 Bb7 10. Nf5 Re8
1962 Mar del Plata – Round 12 – Sanguineti, Raúl Carlos – 1/2-1/2 – Najdorf, Miguel – G102 1. c4 e6 2. g3 d5 3. Nf3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 d4 7. e3 c5 8. exd4 cxd4 9. d3 Nc6 10. Re1 Nd7
1962 Skopje ch17-YUG – Round 1 – Pirc, Vasja – 0-1 – Mejic, Petar – G86 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. b3 O-O 6. c4 c6 7. Bb2 Nbd7 8. Nc3 Qa5 9. d3 Rd8 10. Qc2 Nc5
1962 Skopje ch17-YUG – Round 1 – Udovcic, Mijo – 1/2-1/2 – Ciric, Dimitrije – G2 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 b6 8. cxd5 Nxd5 9. d4 Bb7 10. Nbd2 c5
1962 Varna olm – Round 1 – Botvinnik, Mikhail – 1/2-1/2 – O'Kelly, Albéric de Galway – G5 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 c6 7. Bb2 Nbd7 8. Qc2 b6 9. Nc3 Bb7 10. e4 dxe4
1963 FRG Ch Bad Pyrmont GER – Round 8 – Troeger, Paul – 1/2-1/2 – Eisinger Max – G14 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2 Nbd7 8. Nc3 Qa5 9. Qc2 Ba3 10. Bxa3 Qxa3
1963 Rubinstein Memorial – Round 2 – Doda, Zbigniew – 1/2-1/2 – Kluger, Gyula – G16 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 a5 7. Ba3 a4 8. Bxe7 Qxe7 9. Nc3 axb3 10. axb3 Rxa1
1964 Zuerich-J Zurich SUI – Round ? – Janata, Michael – 1-0 – Pfleger, Helmut, Dr. – G37 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 Nc6 7. d4 Ne4 8. Bb2 a5 9. Nc3 Nxc3 10. Bxc3 Bb4
1965 Hungary – Round 1 – Forintos, Gyozo V – 1-0 – Farago, Ivan – G99 1. Nf3 e6 2. g3 Nf6 3. Bg2 d5 4. O-O Be7 5. c4 O-O 6. b3 Nbd7 7. Bb2 b6 8. cxd5 exd5 9. Nd4 Bb7 10. Nf5 Re8
1967 Rubinstein Memorial – Round 13 – Doda, Zbigniew – 1/2-1/2 – Acevedo Ortega, Rodrigo Andres – G54 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 d4 7. e3 Nc6 8. exd4 Nxd4 9. Bb2 c5 10. Nxd4 cxd4
1967 Vrnjacka Banja zt – Round 1 – Lengyel, Laszlo – 1/2-1/2 – Hamann, Slawomir – G8 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 b6 8. Qc2 Bb7 9. d3 c5 10. e3 Qc7
1968 Bamberg – Round 1 – Toran Albero, Roman – 0-1 – Pfleger, Helmut, Dr. – G22 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 a5 7. Nc3 Nbd7 8. Bb2 Nb6 9. d3 a4 10. Rb1 axb3
1968 Buenos Aires – Round 1 – Abad Garcia, Gonzalo – 1-0 – Palermo, Vicente – G21 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2 Nbd7 8. d3 b6 9. e4 dxe4 10. dxe4 Qc7
1968 Buenos Aires – Round 10 – Panno, Oscar – 1-0 – Guimard, Carlos E – G64 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6 8. d3 a5 9. Nc3 Nc5 10. Rb1 d4
1968 Buenos Aires – Round 4 – Garcia Rodriguez, Raimundo – 1-0 – Palermo, Vicente – G39 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2 Nbd7 8. d3 b6 9. e4 dxe4 10. dxe4 Qc7
1968 Hungary – Round 1 – Sapi, Laszlo – 1/2-1/2 – Csom, I. – G5 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6 8. Nc3 b6 9. d3 Re8 10. e3 Bf8
1968 IBM I – Round 1 – Langeweg, Kick – 1/2-1/2 – Ciric, Dimitrije – G2 1. c4 Nf6 2. Nf3 e6 3. b3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Bb2 b5 8. Qc2 Bb7 9. d3 Na6 10. Nbd2 Rc8
1968 Lugano olm - Round 1 - Sigurjonsson, Gudmundur - 1-0 - Prameshuber, Alexander - G477 1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. O-O Be7 5. c4 O-O 6. b3 Nbd7 7. Bb2 b6 8. Nc3 Bb7 9. e3 c5 10. Qe2 Rc8
1968 Mar del Plata ch-ARG – Round 4 – Panno, Oscar – 1/2-1/2 – Guimard, Carlos E – G29 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6 8. Nc3 b6 9. e3 Bb7 10. Qe2 Rc8
1968 Varna BUL – Round 12 – Padevsky, Nikola – 1/2-1/2 – Radulov, Ivan – G38 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 c6 7. Bb2 b6 8. d3 Bb7 9. e3 Nbd7 10. Qc2 b5
1968 WchT U26 15th – Round 1 – Pfleger, Helmut, Dr. – 1-0 – Spassov, Liuben – G19 1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. c4 Be7 5. O-O O-O 6. b3 c6 7. Bb2 Nbd7 8. d3 b6 9. Nc3 Bb7 10. e4 Rc8
1969 Capablanca Memorial – Round 5 – Abreu Rodriguez, Juan Luis – 1/2-1/2 – Radulov, Ivan – G42 1. Nf3 Nf6 2. c4 e6 3. g3 Be7 4. Bg2 O-O 5. O-O d5 6. b3 c6 7. Bb2 Nbd7 8. d3 b5 9. Nbd2 Qb6 10. Rc1 Bb7
1969 Leeuwarden ch-NED – Round 2 – Langeweg, Kick – 1-0 – Etmans, Maarten – G20 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 b6 8. Nc3 Bb7 9. e3 Ne4 10. Ne2 Bf6
1969 Liberation – Round 14 – Lengyel, Laszlo – 1/2-1/2 – Kurajica, Bojan – G63 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6 8. Qc2 a5 9. Nc3 b6 10. d3 Bb7
1969 Rubinstein Memorial – Round 1 – Levy, David N L – 1/2-1/2 – Barczay, Laszlo – G2 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2 b5 8. Qc2 Bb7 9. d3 a5 10. a3 Nbd7
1969 Rubinstein Memorial – Round 1 – Lewi, Joseph – 1/2-1/2 – Barczay, Laszlo – G5 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2 b5 8. Qc2 Bb7 9. d3 a5 10. a3 Nbd7
1969 Sweden – Round 1 – Jansson, Borje – 1-0 – Andersson 1965, Johan – G3 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 b6 8. cxd5 exd5 9. Nd4 Bb7 10. Nf5 Re8
3. Kings' Tournament 2009 – Round 1 – Kamsky, Gata – 0-1 – Shirov, Alexei – G1 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 d4 7. e3 c5 8. exd4 cxd4 9. d3 Nc6 10. Qe2 a5
34. ECC Open 2018 – Round 6.6 – Efimenko, Zahar – 1/2-1/2 – Mastrovasilis, Dimitrios – G196 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 d4 7. e3 c5 8. exd4 cxd4 9. d3 Nc6 10. Qe2 Nd7
36. Olympiad 2004 – Round 4 – Kurajica, Bojan – 1/2-1/2 – Lputian, Smbat – G103 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. b3 c6 7. Bb2 Nbd7 8. d3 b6 9. Nbd2 Bb7 10. cxd5 cxd5
41. Olympiad Open 2014 – Round 10.12 – Pantsulaia, Levan – 0-1 – Bruzon Batista, Lazaro – G688 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c6 7. Bb2 Nbd7 8. d3 b5 9. Qc2 Bb7 10. e4 Rc8
85. Tata Steel Masters 2023 – Round 9.2 – Ding, Liren – 0-1 – Giri, Anish – G58 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 d4 7. e3 c5 8. Ne5 Qc7 9. f4 Nbd7 10. Nd3 e5
CCT Final Playoff 2023 – Round 6.1 – Carlsen, Magnus – 1-0 – Vachier-Lagrave, Maxime – G55 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 d4 7. e3 Nc6 8. exd4 Nxd4 9. Bb2 Bc5 10. Nc3 Re8
FIDE Grand Swiss 2025 – Round 4 – Mendonca Leon Luke – 1/2-1/2 – Niemann Hans Moke – G185 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 d4 7. e3 c5 8. Ne5 Qc7 9. f4 Nfd7 10. exd4 cxd4
FIDE World Cup 2025 – Round R1 Classical 1 – Kavin Mohan – 1/2-1/2 – Robert Hovhannisyan – G17 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Bb4+ 6. Bd2 a5 7. Qc2 Bxd2+ 8. Qxd2 c6 9. a4 b5 10. axb5 cxb5
Interpolis 1993 – Round 1.1 – Boersma, Paul – 1/2-1/2 – Beliavsky, Alexander G – G64 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. b3 a5 7. Nc3 Bd7 8. d4 a4 9. cxd5 Nxd5 10. Nxa4 Bxa4
Lindores Abbey Tal Memorial 2021 – Round 18.29 – Sadhwani, Raunak – 1/2-1/2 – Kryvoruchko, Yuriy – G768 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 d4 7. e3 c5 8. Ne5 Qc7 9. f4 Nbd7 10. exd4 cxd4
Superbet Blitz 2023 – Round 10.1 – Shevchenko, Kirill – 0-1 – Deac, Bogdan-Daniel – G46 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. b3 a5 7. Nc3 c6 8. d4 b6 9. Ne5 Nfd7 10. Nd3 Ba6
Tata Steel India Rapid 2019 – Round 3.2 – So, Wesley – 1/2-1/2 – Harikrishna, Pentala – G12 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 d4 7. Bb2 c5 8. b4 Nc6 9. b5 Na5 10. d3 Bd6
World Blitz 2021 – Round 1.43 – Dziuba, Maksim – 0-1 – Svane, Rasmus – G34 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 d4 7. e3 c5 8. exd4 cxd4 9. d3 Nc6 10. a3 a5
World Blitz 2021 – Round 13.6 – Fedoseev, Vladimir – 0-1 – Giri, Anish – G798 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. O-O O-O 6. b3 d4 7. e3 c5 8. Ne5 Qc7 9. f4 Nbd7 10. Nd3 Bd6
World Blitz 2021 – Round 4.63 – Anton Guijarro, David – 0-1 – Gukesh D – G245 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 d4 7. e3 c5 8. Ne5 Qc7 9. f4 Nbd7 10. Nd3 e5
World Blitz 2022 – Round 1.46 – Harikrishna, Pentala – 1-0 – Petkov, Momchil – G36 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 d4 7. e3 c5 8. Ne5 Qc7 9. f4 Nfd7 10. Nd3 Nc6
World Blitz 2022 – Round 14.9 – Anton Guijarro, David – 1/2-1/2 – Yu, Yangyi – G778 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 d4 7. e3 c5 8. Ne5 Nfd7 9. exd4 cxd4 10. Nxd7 Nxd7
World Blitz 2023 – Round 15.9 – Shimanov, Aleksandr – 1-0 – Andreikin, Dmitry – G894 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2 b6 8. e3 Bb7 9. Nc3 Nbd7 10. d4 c5
World Rapid 2021 – Round 2.18 – Sjugirov, Sanan – 0-1 – Van Foreest, Lucas – G77 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 d4 7. e3 c5 8. Ne5 Qc7 9. f4 Nfd7 10. Nd3 Nc6

A14f — Neo-Catalan Declined

1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.b3

Eval: [-0.15]

Les coups candidats

6…c5 — 44.8% (5581 parties) →

Ambassadeurs : McNab, Colin A (21x), Flear, Glenn C (16x), Feustel, Bernd (14x), Kahl, Fred (13x), Kramnik, Vladimir (11x), Miles, Anthony J (10x), Krnic, Zdenko (10x), Kelecevic, Nedeljko (10x)

6…b6 — 26.5% (3304 parties) →

Ambassadeurs : McNab, Colin A (12x), Contin, Daniel (12x), Miles, Anthony J (11x), Farago, Ivan (10x), Arlandi, Ennio (10x), Sarno, Spartaco (10x), Mohr, Georg (9x), Dutreeuw, Marc (8x)

6…d4 — 8.6% (1068 parties)

Ambassadeurs : Campos, Maria Jose (6x), Horton, Andrew P (5x), Stremavicius, Titas (5x), Magem Nguyen, Pau (5x), Van Foreest, Lucas (5x), Wadsworth, Matthew J (5x), Pantsulaia, Levan (5x), Zochowski, Kacper (4x)

6…c6 — 6.9% (861 parties)

Ambassadeurs : Radulov, Ivan (8x), Burnett, Jim (5x), Contin, Daniel (4x), Barczay, Laszlo (3x), Lputian, Smbat (3x), Braeuer, Franz (3x), Chernyak, Viktoria (3x), Ciric, Dimitrije (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…c5	6…b6	6…d4	6…c6
<1800	175	40%	21%	6%	12%
1800-2200	3716	45%	23%	8%	10%
2200-2600	6920	44%	29%	10%	5%
2600+	352	42%	38%	15%	1%

Évolution par décennie (% des parties)

Décennie	N parties	6…c5	6…b6	6…d4	6…c6
1920s	7	57%	—	—	—
1930s	33	76%	3%	6%	3%
1940s	18	56%	11%	17%	—
1950s	53	36%	11%	6%	13%
1960s	226	47%	25%	3%	10%
1970s	319	51%	28%	1%	8%
1980s	694	58%	24%	1%	6%
1990s	1659	47%	26%	2%	8%
2000s	2197	46%	25%	3%	9%
2010s	5093	46%	27%	9%	7%
2020s	2154	34%	29%	23%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…c5	46%	34%	▼ -12.0%
6…b6	27%	29%	▲ +2.1%
6…d4	9%	23%	▲ +14.2%
6…c6	7%	5%	▼ -1.3%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Kramnik, Vladimir — 10 parties
Botvinnik, Mikhail — 8 parties
Hou, Yifan — 7 parties
Ding, Liren — 7 parties
Anand, Viswanathan — 5 parties
Smyslov, Vladimir — 4 parties
Carlsen, Magnus — 4 parties
Ju, Wenjun — 4 parties
Kasparov, Garry — 3 parties
Karpov, Anatoly — 3 parties
Gukesh D — 3 parties
Euwe, Max — 2 parties

Parties historiques

6…c5 — 44.8% (5581 parties)

1924 — Carls, Carl vs Wagner, Heinrich — 1/2-1/2 — Bremen GER
1928 — Reti, Richard vs Hoenlinger, Baldur — 0-1 — Trencianske Teplice SVK
1928 — Reti, Richard vs Gruenfeld, Ernst — 1-0 — Trencianske Teplice SVK
1928 — Takacs, Sandor vs Buerger, Victor — 1-0 — Hastings Town Hall
1930 — Stoltz, Gösta vs Bogoljubow, Efim — 1-0 — Stockholm SWE

6…b6 — 26.5% (3304 parties)

1935 — Alexandrescu, Gheorghe vs Brody, Miklos — 0-1 — Bucharest ROU
1942 — Maderna, Carlos vs Pilnik, Herman — 1/2-1/2 — Mar del Plata ARG
1942 — Iliesco, Juan vs Maderna, Carlos — 1-0 — Mar del Plata ARG
1950 — Dimitrov Garcia, Dimitri Ivaylov vs Kottnauer, Cenek — 0-1 — CSR-BUL Prague CZE
1952 — Lorson, Gerhard vs De Souza Mendes, Joao — 0-1 — Helsinki olm

6…d4 — 8.6% (1068 parties)

1938 — Kieninger, Georg vs Elsas, Hansgeorg — 1/2-1/2 — Krefeld GER
1938 — Nogues Acuna, Alejandro vs Benko, Francisco — 1-0 — Buenos Aires ARG
1946 — Purdy, Cecil J S vs Fryda, A. — 1-0 — Sydney AUS
1947 — Eliskases, Erich vs Pilnik, Herman — 1/2-1/2 — Buenos Aires ARG
1947 — Rupschuss, Christoph vs Blum, Johann — 1-0 — Gelsenkirchen GER

6…c6 — 6.9% (861 parties)

1935 — Alexander Ronald Cheng vs Bellod Thomas, Gonzalo — 1-0 — Hastings ENG
1951 — Bolbochan, J. vs Sumar, Julio — 1/2-1/2 — Mar del Plata ARG
1956 — Frost Nielsen, Alexander vs Sefc, Jan — 1-0 — Moskou olm
1956 — Kramer, Hanspeter vs Orbaan, Constant — 1/2-1/2 — Beverwijk NED
1957 — Kaikamdzozov, Jivko vs Tsvetkov, Alexandar K — 1/2-1/2 — Sofia BUL

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