A13w — English: Neo-Catalan Accepted, 5.Qa4+ Nbd7 6.Qxc4

1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 ● 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 une majorité de pions à l'centre (2 contre 1), les cases fortes d4 et f4, la paire de fous et la colonne semi-ouverte c.

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 (le cavalier b1, le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nc3 (Développer Nb1) ; d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4) ; Tour sur colonne c.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), les cases fortes c5 et d5, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Les fous enfermés en c1 et g2 et le roi resté au centre.

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

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; b6+Bb7 (PRIORITÉ: libérer le Bc8 (b6+Bb7, ...Bg4, ...Bf5)) ; ...Be7 (Développer Bf8) ; ...Bg4 (Clouer Nf3) ; ...c6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● f7→e6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0), ● f4 (2v0)	● c5 (2v1), ● d5 (2v1)
Cases faibles	—	—
Centre	● d4 (2v0)	● d5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (b1, c1, a1, h1)	4 (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	● d2-d3, ● e2-e3	● …c7-c6, ● …c7-c5, ● …e6-e5

Partie
19. Amber Blindfold 2010 – Round 8 – Aronian, Levon – 1/2-1/2 – Gelfand, Boris – G27 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. O-O b6 8. d4 Bb7 9. Rd1 cxd4 10. Bg5 Be7
19. European Teams 2013 – Round 1.15 – Banikas, Hristos – 1-0 – Zagorskis, Darius – G20 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Ra7 9. O-O b6 10. d4 Bb7
19. European Teams 2013 – Round 4.11 – Swiercz, Dariusz – 1/2-1/2 – Pavasovic, Dusko – G139 1. c4 e6 2. Nf3 d5 3. g3 dxc4 4. Qa4+ Nd7 5. Bg2 Nf6 6. Qxc4 c5 7. O-O b6 8. Ng5 Rb8 9. d3 h6 10. Ne4 Nxe4
1939 Bad Oeynhausen ch-GER – Round 4 – Eliskases, Erich – 1-0 – Montoya Eisinger, Maximiliano – G35 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 Be7 8. O-O O-O 9. b3 c5 10. Bb2 Ra7
1941 Mar del Plata – Round 1 – Iliesco, Juan – 0-1 – Raud, Ilmar – G21 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. c4 dxc4 5. Qa4+ Nbd7 6. Qxc4 Bd6 7. d4 O-O 8. O-O a6 9. Qc2 c5 10. Rd1 Qc7
1947 Buenos Aires ch-ARG – Round 1 – Benko, Francisco – 0-1 – Pilnik Aranda, Karla Constanza – G5 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. b3 Be7 9. Bb2 O-O 10. Nc3 Qc7
1947 Buenos Aires ch-ARG – Round 1 – Iliesco – 1-0 – Alvarez Martin, Pedro – G9 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 Bd6 8. Nc3 O-O 9. O-O e5 10. d4 c6
1948 BRD Ch – Round 6 – Troeger, Paul – 0-1 – Sahlmann, Walter – G4 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. O-O a6 8. a4 b5 9. Qb3 c4 10. Qc2 Bb7
1948 Saltsjobaden tt – Round 1 – Ekenberg, Bengt – 1-0 – Sigurdsen, S. – G21 1. Nf3 d5 2. c4 e6 3. g3 dxc4 4. Qa4+ Nd7 5. Bg2 a6 6. Qxc4 Ngf6 7. O-O Be7 8. d4 c5 9. Rd1 b5 10. Qc2 Bb7
1949 Mar del Plata – Round 3 – Iliesco, Juan – 1-0 – Benko, Francisco – G44 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 Be7 8. Nc3 O-O 9. O-O c5 10. d4 Qa5
1949 Trencianske Teplice – Round 8 – Richter, Edgar – 1-0 – Szily, Jozsef – G42 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. O-O a6 8. Qc2 b5 9. a4 Bb7 10. axb5 axb5
1951 Moskou ch-URS – Round 1 – Smyslov, Vladimir – 1-0 – Taimanov, Mark E – G7 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. O-O a6 8. Qb3 Be7 9. d3 O-O 10. Bd2 Qc7
1952 Buenos Aires – Round 1 – Garcia Vera, Romeo – 1/2-1/2 – Alonso-Lej De Las Casas, Fernando – G2 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. O-O Be7 9. d4 Qb6 10. dxc5 Qxc5
1952 Hungary Ch – Round 8 – Sandor, Balazs – 0-1 – Szily, Jozsef – G48 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. O-O b5 9. d3 Bb7 10. b3 Be7
1953 Candidats Tournament – Round 24 – Taimanov, Mark E – 1-0 – Stahlberg, Gideon – G154 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. O-O Bd6 8. d4 O-O 9. Rd1 Qe7 10. Qc2 Rb8
1953 FRG Ch 02nd – Round 8 – Heemsoth, Hermann – 0-1 – Eisinger, Max Jr – G16 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. O-O b5 8. Qc2 Bb7 9. a4 Bd6 10. Na3 O-O
1954 New York – Round 1 – Smyslov, Vladimir – 1/2-1/2 – Reshevsky, Samuel – G2 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 Bd6 7. O-O O-O 8. Qc2 c5 9. d4 Qc7 10. Rd1 Nb6
1954 USA-URS – Round 3 – Smyslov, Vasily – 1/2-1/2 – Reshevsky, Samuel – G12 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 Bd6 7. O-O O-O 8. Qc2 c5 9. d4 Qc7 10. Rd1 Nb6
1955 DDR Ch 06th – Round 8 – Eising, Johannes – 1-0 – Schlieder, Rolf – G36 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. O-O Be7 9. a4 O-O 10. a5 Nd5
1955 Gothenburg Interzonal – Round 11 – Filip, Marius Liviu – 1/2-1/2 – Stahlberg, Gideon – G98 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 Be7 7. O-O O-O 8. d4 Rb8 9. Nc3 a6 10. a4 Nb6
1955 URS Team Ch fin – Round 5 – Polugaevsky, Lev – 1/2-1/2 – Suetin, Alexey S – G14 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. O-O b5 9. a4 Bb7 10. Nc3 Qb6
1956 Budapest Szikra – Round ? – Szollosi, Laszlo – 1/2-1/2 – Szily, Jozsef – G6 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. O-O b5 8. Qc2 Bb7 9. d3 c5 10. a4 Be7
1956 CSR Ch – Round 18 – Kozma, Julius – 1-0 – Sefc, Jan – G165 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. O-O b5 9. a4 Bb7 10. axb5 axb5
1956 Moscow olm fin-A – Round 5 – Panno, Oscar – 1/2-1/2 – Keres, Paul Petrovich – G67 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. a4 b6 9. O-O Bb7 10. Nc3 Be7
1957 WchT U26 04th – Round 7.3 – Forintos, Gyozo V – 0-1 – Tringov, Georgi P – G94 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qc2 Nbd7 6. Qxc4 a6 7. Qc2 c5 8. O-O b6 9. b4 Bb7 10. bxc5 Bxc5
1958 Sofia – Round 5 – Szilagyi, Gyorgy Laszlo – 1-0 – Brzozka, Stefan – G29 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. O-O Qc7 9. d3 Nd5 10. e4 Nb4
1960 Budapest zt – Round 6 – Barcza, Gedeon – 1-0 – Clarke, Peter H – G34 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. O-O a6 8. Qc2 Bd6 9. d4 O-O 10. Nbd2 cxd4
1960 BUL-ch14 Sofia BUL – Round 19 – Neikirkh, Oleg – 1/2-1/2 – Radev Iordanov, Nikolay – G72 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 Be7 8. O-O O-O 9. d4 c5 10. Rd1 cxd4
1961 Baku ch-URS – Round 6 – Taimanov, Mark E – 1/2-1/2 – Keres, Paul – G66 1. Nf3 d5 2. c4 e6 3. g3 dxc4 4. Qa4+ Nd7 5. Bg2 Nf6 6. Qxc4 a6 7. Qc2 c5 8. O-O b5 9. a4 Bb7 10. axb5 axb5
1961 Oberhausen etc – Round 3 – Haag, Ervin – 1-0 – Montoya Eisinger, Maximiliano – G80 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 Ra7 8. O-O c5 9. d3 Be7 10. a4 b6
1961 Oberhausen etc – Round 4 – Smyslov, Vladimir – 1/2-1/2 – Florian, T. – G102 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. a4 b6 9. b3 Bb7 10. Bb2 Be7
1964 Capablanca Memorial – Round 10 – Taimanov, Mark E – 1/2-1/2 – Stahlberg, Gideon – G96 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 Be7 7. O-O O-O 8. Qc2 c6 9. d4 Bd6 10. Nbd2 Re8
1964 Tel Aviv olm fin-A – Round 5 – Smyslov, Vladimir – 0-1 – Unzicker, Wolfgang – G96 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 Rb8 8. O-O Be7 9. Na3 O-O 10. Nc4 c5
1964 Tel Aviv olm fin-A – Round 7 – Eliskases, Erich – 1/2-1/2 – Unzicker, Wolfgang – G140 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 Rb8 8. O-O Be7 9. d4 b5 10. Bg5 Bb7
1965 FRG CupT – Round 1.1 – Schmid, Lothar – 1/2-1/2 – Unzicker, Wolfgang – G1 1. c4 Nf6 2. g3 e6 3. Nf3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 Rb8 8. O-O Be7 9. b3 O-O 10. Bb2 c5
1965 Sarajevo – Round 1 – Trifunovic, Petar – 1/2-1/2 – Ciric, Dimitrije – G23 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 Rb8 8. O-O Be7 9. Nc3 b5 10. Nd4 Ne5
1966 Titovo Uzice – Round 1 – Ree, Hans – 1/2-1/2 – Pachman, Ludek – G4 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Ra7 9. O-O b5 10. d4 Bb7
1967 It II – Round 6 – Ujtelky, Maximilian – 1/2-1/2 – Karaklajic, Nikola – G14 1. c4 e6 2. g3 d5 3. Bg2 dxc4 4. Qa4+ Nd7 5. Qxc4 Ngf6 6. Nf3 c5 7. O-O a6 8. Qc2 b6 9. b3 Bb7 10. Bb2 Be7
1967 Winnipeg – Round 8 – Szabo, Laszlo – 1/2-1/2 – Keres, Paul Petrovich – G44 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Qc7 9. d4 b5 10. Bf4 Qa7
1968 Hastings6869 – Round 2 – Wright, Daniel – 0-1 – Huebner, Robert – G11 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 Rb8 8. O-O b5 9. b3 Bb7 10. Bb2 Be7
1968 Hoogovens – Round 12 – Ree, Hans – 0-1 – Padevsky, Nikola – G101 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. O-O Bd6 9. d4 O-O 10. Rd1 Qe7
1968 Riga – Round 1 – Peterson, Andrejs – 1-0 – Murey, Jacob – G1 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 Bd6 7. d4 O-O 8. O-O a6 9. Qc2 c5 10. dxc5 Nxc5
1969 Buenos Aires – Round 1 – Acosta Garcia, Rafael Isaac – 1-0 – Schweber, Samuel – G15 1. Nf3 Nf6 2. g3 d5 3. c4 e6 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. O-O Qc7 9. d4 Bd6 10. dxc5 Nxc5
1969 FRG Ch – Round 3 – Kestler, Hans-Guenther – 1-0 – Freise, Helmut – G4 1. Nf3 Nf6 2. g3 d5 3. c4 e6 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. O-O Rb8 9. d4 Bd6 10. dxc5 Bxc5
1969 Hoogovens – Round 15 – Botvinnik, Mikhail – 1/2-1/2 – Olafsson, Fridrik – G123 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. O-O b6 9. d4 Bb7 10. dxc5 Bxc5
4. Norway Blitz 2016 – Round 3.2 – Grandelius, Nils – 1/2-1/2 – Carlsen, Magnus – G12 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Bd6 9. O-O O-O 10. d4 Qe7
4. Norway Blitz 2016 – Round 8.3 – Grandelius, Nils – 0-1 – Harikrishna, Pentala – G37 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qc2 Rb8 8. O-O b6 9. d4 Bb7 10. Rd1 Rc8
40. Olympiad Open 2012 – Round 6.16 – Kasimdzhanov, Rustam – 1/2-1/2 – Leitao, Rafael – G355 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. d3 Bd6 8. O-O a6 9. Qc2 Rb8 10. d4 Qc7
41. Olympiad Open 2014 – Round 4.12 – Dominguez Perez, Leinier – 1/2-1/2 – Sethuraman, S.P. – G246 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Qc7 9. d4 b6 10. Bf4 Bd6
41. Olympiad Open 2014 – Round 4.7 – Meier, Georg – 1-0 – Filippov, Anton – G307 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Ra7 9. O-O b6 10. d4 Bb7
41. Olympiad Open 2014 – Round 8.27 – Kovalyov, Anton – 1/2-1/2 – Ladva, Ottomar – G571 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. d3 Bd6 8. a4 O-O 9. Nc3 a6 10. a5 Qc7
42. Olympiad 2016 – Round 7.18 – Blomqvist, Erik – 1/2-1/2 – Bruzon Batista, Lazaro – G489 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qc2 b6 8. Nc3 Bb7 9. O-O Rc8 10. Rd1 a6
7. Sinquefield Cup TB 2019 – Round 3 – Ding, Liren – 1-0 – Carlsen, Magnus – G3 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Qc7 9. d4 cxd4 10. Nxd4 Bc5
83. Tata Steel Masters 2021 – Round 13.2 – Donchenko, Alexander – 0-1 – Esipenko, Andrey – G89 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Qc7 9. O-O b6 10. d4 Bb7
9. London Classic 2017 – Round 1.5 – Adams, Michael – 1/2-1/2 – Karjakin, Sergey – G5 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Qc7 9. d4 b6 10. Bf4 Bd6
Alekhine Memorial 1971 – Round 6 – Korchnoi, Viktor – 1/2-1/2 – Olafsson, Fridrik – G27 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Qc7 9. O-O b6 10. d4 Bb7
Bugojno 1980 – Round 6 – Andersson, Ulf 1949 – 1/2-1/2 – Tal, Mikhail – G21 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. O-O b6 8. d4 Bb7 9. Nc3 a6 10. dxc5 Bxc5
Erevan ch-URS 1975 – Round 1 – Dorfman, Iossif – 1/2-1/2 – Tal, Mikhail – G37 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qc2 b6 8. O-O Bb7 9. Nc3 Be7 10. d4 cxd4
Erevan ch-URS 1975 – Round 1 – Romanishin, Oleg M – 1-0 – Polugaevsky, Lev – G6 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. O-O a6 8. a4 b5 9. Qb3 Bb7 10. d3 Bd5
FIDE Candidates 2020 2021 – Round 10.4 – Nepomniachtchi, Ian – 1-0 – Alekseenko, Kirill – G11 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Be7 9. O-O O-O 10. d4 cxd4
FIDE Candidates 2022 – Round 9.4 – Ding, Liren – 1-0 – Duda, Jacob – G36 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Qc7 9. O-O b6 10. d4 Bb7
FIDE World Cup 2015 – Round 1.2 – Zhou, Jianchao – 1/2-1/2 – Andreikin, Dmitry – G125 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qb3 Rb8 8. O-O b5 9. d4 Bb7 10. Bf4 Bd6
FIDE World Cup 2015 – Round 3.1 – Grischuk, Alexander – 0-1 – Eljanov, Pavel – G317 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. O-O b6 8. Nc3 Bb7 9. d4 Rc8 10. Qd3 cxd4
FIDE World Cup 2015 – Round 4.3 – Jakovenko, Dmitry – 1/2-1/2 – Eljanov, Pavel – G389 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. d3 Bd6 8. a4 O-O 9. Nc3 b6 10. Nb5 Ba6
FIDE World Rapid 2014 – Round 10.18 – Sargissian, Gabriel – 1/2-1/2 – Wojtaszek, Radoslaw – G216 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Qc7 9. d4 cxd4 10. Nxd4 Bc5
FIDE World Rapid 2014 – Round 9.25 – Sargissian, Gabriel – 1/2-1/2 – Riazantsev, Alexander – G184 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qc2 Rb8 8. Nc3 b5 9. d3 Bd6 10. O-O O-O
FIDE World Rapid Championship 2025 – Round 3 – David Anton Guijarro – 1-0 – Ediz Gurel – G53 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. d3 Be7 8. O-O O-O 9. a4 Nb6 10. Qb3 Nbd5
GCT Blitz Paris 2021 – Round 5.3 – Svidler, Peter – 1/2-1/2 – Nepomniachtchi, Ian – G22 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Qc7 9. d4 b6 10. Bf4 Bd6
Interpolis 1993 – Round 2 – Lautier, Joel – 0-1 – Yermolinsky, Alex – G72 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. O-O b6 8. Nc3 Bb7 9. e4 Rc8 10. Qe2 Bd6
La Valetta MLT 1980 – Round 1 – Ribli, Zoltan – 1/2-1/2 – Polugaevsky, Lev – G7 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. O-O b6 8. d4 Bb7 9. Nc3 Rc8 10. Rd1 a6
Leningrad ch-URS 1977 – Round 1 – Tal, Mikhail – 0-1 – Polugaevsky, Lev – G39 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. O-O b6 8. Nd4 Ne5 9. Nc6 Nxc4 10. Nxd8 Nd5
Lindores Abbey Tal Memorial 2021 – Round 1.52 – Niemann, Hans Moke – 1-0 – Socko, Monika – G48 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Be7 9. O-O O-O 10. d4 Ra7
Lindores Abbey Tal Memorial 2021 – Round 12.18 – Howell, David W L – 0-1 – Predke, Alexandr – G517 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qb3 Rb8 8. O-O b5 9. d3 Bb7 10. Bg5 Be7
Lindores Abbey Tal Memorial 2021 – Round 4.11 – Niemann, Hans Moke – 1-0 – Sjugirov, Sanan – G170 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qc2 Bd6 8. O-O O-O 9. Nc3 a6 10. d4 cxd4
London P&D/GLC Kings 1984 – Round 1 – Vaganian, Rafael A – 1/2-1/2 – Andersson, Ulf 1949 – G10 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qb3 Be7 8. O-O O-O 9. Nc3 a6 10. d3 Ra7
Milaan 1975 – Round 10 – Smejkal, Jan – 1/2-1/2 – Tal, Mikhail – G34 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qc2 b6 8. O-O Bb7 9. Nc3 Be7 10. d4 cxd4
Moskou ch-URS 1973 – Round 1 – Polugaevsky, Lev – 1/2-1/2 – Spassky, Boris V. – G7 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Qc7 9. d4 b5 10. Bf4 Bd6
Moskou ch-URS 1973 – Round 12 – Polugaevsky, Lev – 1/2-1/2 – Keres, Paul – G74 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qc2 b6 8. O-O Bb7 9. Nc3 Be7 10. d4 cxd4
Moskou ch-URS 1988 – Round 1 – Ehlvest, Jaan – 1/2-1/2 – Gurevich, Mikhail – G65 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qb3 Rb8 8. d3 Bd6 9. O-O O-O 10. Nc3 a6
Moskou ch-URS 1988 – Round 12 – Vaganian, Rafael A – 0-1 – Salov, Valery – G81 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qb3 Rb8 8. d3 Bd6 9. Nc3 a6 10. Ng5 Qe7
Riga FIDE Grand Prix 2019 – Round 1.4 – Giri, Anish – 1-0 – Karjakin, Sergey – G24 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Qc7 9. O-O b6 10. d4 Bb7
Ruy Lopez Memorial 1975 – Round 2 – Petrosian, Tigran V – 1/2-1/2 – Olafsson, Fridrik – G5 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qc2 b6 8. b3 Bb7 9. Bb2 Be7 10. O-O O-O
Saint Louis Blitz 2024 - Round 13 - Nepomniachtchi Ian - 0-1 - Abdusattorov Nodirbek - G62 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Qc7 9. d4 b5 10. O-O Bb7
Saint Louis Blitz 2024 - Round 15 - Firouzja Alireza - 0-1 - Abdusattorov Nodirbek - G73 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Qc7 9. d4 b5 10. Bf4 Qa7
Saint Louis Rapid 2019 – Round 7.4 – Ding, Liren – 1/2-1/2 – Karjakin, Sergey – G34 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qb3 Rb8 8. d4 b5 9. Ne5 Nxe5 10. dxe5 Nd7
SportAccord Blitz 2014 – Round 23.7 – Wang, Yue(SH) – 1-0 – Wojtaszek, Radoslaw – G182 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qb3 b5 8. Ne5 Nxe5 9. Bxa8 c6 10. f4 Bd7
URS-ch41 1973 – Round 12 – Polugaevsky, Lev – 1/2-1/2 – Keres, Paul – G9 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qc2 b6 8. O-O Bb7 9. Nc3 Be7 10. d4 cxd4
Vugar Gashimov Mem 2014 – Round 7.1 – Radjabov, Teimour – 1/2-1/2 – Mamedyarov, Shakhriyar – G19 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Qc7 9. O-O b6 10. d4 Bb7
Vugar Gashimov Mem 2019 – Round 7.2 – Navara, David – 1/2-1/2 – Karjakin, Sergey – G32 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qb3 Rb8 8. d4 b5 9. Ne5 Nxe5 10. dxe5 Nd7
Wijk aan Zee NED, Tata Steel GpA 2015 – Round 4.7 – Aronian, Levon – 1/2-1/2 – Wojtaszek, Radoslaw – G8 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Qc7 9. O-O b6 10. d4 Bb7
World Blitz 2009 – Round 39 – Svidler, Peter – 0-1 – Morozevich, Alexander – G402 1. c4 e6 2. Nf3 d5 3. g3 dxc4 4. Qa4+ Nd7 5. Qxc4 Ngf6 6. Bg2 c5 7. O-O b6 8. e4 a5 9. Re1 Ba6 10. Qc2 c4
World Blitz 2018 – Round 11.10 – Matlakov, Maxim – 0-1 – Duda, Jan-Krzysztof – G631 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. O-O b6 9. d4 Bb7 10. Nc3 cxd4
World Blitz 2021 – Round 20.3 – Artemiev, Vladislav – 1/2-1/2 – Vachier-Lagrave, Maxime – G1167 1. Nf3 d5 2. g3 Nd7 3. c4 dxc4 4. Qa4 Nf6 5. Bg2 e6 6. Qxc4 a6 7. Qc2 c5 8. Nc3 Be7 9. O-O O-O 10. d4 cxd4
World Blitz 2022 – Round 7.61 – Yakubboev, Nodirbek – 1-0 – Averin, Nikolay – G383 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. a4 Rb8 8. Nc3 b6 9. O-O Bb7 10. d4 c5
World Cup 1988 – Round 1 – Andersson, Ulf 1949 – 1/2-1/2 – Sokolov, Andrei – G75 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. O-O b6 8. d4 Bb7 9. Nc3 a6 10. dxc5 Bxc5
World Rapid 2016 – Round 15.5 – Aronian, Levon – 1/2-1/2 – Cheparinov, Ivan – G591 1. c4 e6 2. g3 d5 3. Bg2 dxc4 4. Qa4+ Nd7 5. Qxc4 c5 6. Nf3 Ngf6 7. O-O b6 8. Nd4 Ne5 9. Nc6 Nxc4 10. Nxd8 Nd5
World Rapid 2021 – Round 10.38 – Howell, David W L – 1-0 – Kosakowski, Jakub – G591 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qb3 c5 8. a4 Be7 9. a5 O-O 10. d3 Nd5
World Rapid 2021 – Round 4.63 – Chigaev, Maksim – 1-0 – Tang, Andrew – G249 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. a4 b6 9. O-O Bb7 10. Nc3 Be7
Zurich Chess Challenge 2014 – Round 1.2 – Aronian, Levon – 1-0 – Anand, Viswanathan – G2 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qb3 Rb8 8. O-O b5 9. a4 Bb7 10. axb5 axb5

A13w — Neo-Catalan Accepted, 5.Qa4+ Nbd7 6.Qxc4

1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4

Eval: [+0.23]

Les coups candidats

6…a6 — 48.0% (1404 parties) →

Ambassadeurs : Meijers, Viesturs (15x), Unzicker, Wolfgang (9x), Sveshnikov, Evgeny (7x), Kulon, Klaudia (7x), Pelletier, Yannick (6x), Raupp, Thomas (6x), Stangl, Markus (5x), Gruen, Gerd-Peter (5x)

6…c5 — 47.6% (1391 parties) →

Ambassadeurs : Sveshnikov, Evgeny (20x), Vaganian, Rafael A (13x), Klovans, Janis (12x), Luther, Thomas (11x), Schlosser, Philipp (10x), Andersson, Ulf (9x), Mednis, Edmar J (9x), Szekely, Panna Szandra (8x)

6…Be7 — 1.6% (48 parties)

Ambassadeurs : Stahlberg, Gideon (2x), Taimanov, Mark (2x), Hilse (1x), Krueger, Erich (1x), Takacs, Sandor (1x), Konig, I. (1x), Keiling, Lucien (1x), Boutteville, Cesar (1x)

6…Bd6 — 1.5% (45 parties)

Ambassadeurs : Reshevsky, Samuel (2x), Bourgoin, Claude (2x), Keres, Paul Petrovich (1x), Koblencs, Alexander (1x), Iliesco, Juan (1x), Raud, Ilmar (1x), Peterson, Andrejs (1x), Murey, Jacob (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…a6	6…c5	6…Be7	6…Bd6
<1800	16	44%	31%	—	—
1800-2200	442	48%	42%	3%	4%
2200-2600	2097	49%	49%	1%	1%
2600+	166	55%	44%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6…a6	6…c5	6…Be7	6…Bd6
1920s	3	—	33%	67%	—
1930s	1	100%	—	—	—
1940s	11	55%	18%	9%	18%
1950s	22	55%	27%	9%	9%
1960s	23	78%	9%	4%	9%
1970s	107	26%	70%	3%	1%
1980s	245	23%	76%	0%	—
1990s	479	37%	61%	1%	1%
2000s	414	41%	51%	2%	2%
2010s	1050	53%	42%	1%	2%
2020s	570	66%	31%	2%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…a6	53%	66%	▲ +13.3%
6…c5	42%	31%	▼ -11.8%
6…Be7	1%	2%	+0.2%
6…Bd6	2%	1%	▼ -1.5%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 9 parties
Smyslov, Vladimir — 4 parties
Anand, Viswanathan — 3 parties
Hou, Yifan — 3 parties
Ding, Liren — 3 parties
Botvinnik, Mikhail — 2 parties
Karpov, Anatoly — 2 parties
Ju, Wenjun — 2 parties
Carlsen, Magnus — 2 parties
Kramnik, Vladimir — 1 partie

Parties historiques

6…a6 — 48.0% (1404 parties)

1939 — Eliskases, Erich vs Montoya Eisinger, Maximiliano — 1-0 — Bad Oeynhausen ch-GER
1941 — Kruit, Erik vs Roose, Anthony Hendrik — 1-0 — Groningen NED
1946 — Subaric, Mladen vs Markovic, Mihajlo — 0-1 — Zagreb CRO
1947 — Benko, Francisco vs Pilnik, Herman — 0-1 — Buenos Aires ARG
1947 — Benko, Francisco vs Pilnik Aranda, Karla Constanza — 0-1 — Buenos Aires ch-ARG

6…c5 — 47.6% (1391 parties)

1924 — Schmitt, Ludwig vs Maier, Georg — 0-1 — Munich GER
1948 — Troeger, Paul vs Sahlmann, Walter — 0-1 — Essen GER
1949 — Richter, Edgar vs Szily, Jozsef — 1-0 — Trencianske Teplice SVK
1950 — Karff, Mona M vs Larsen, Ingrid — 1-0 — Moscow RUS
1951 — Smyslov, Vladimir vs Taimanov, Mark — 1-0 — Moskou ch-URS

6…Be7 — 1.6% (48 parties)

1923 — Hilse vs Krueger, Erich — 0-1 — Frankfurt GER
1929 — Takacs, Sandor vs Konig, I. — 1/2-1/2 — Rogaska Slatina
1949 — Keiling, Lucien vs Boutteville, Cesar — 0-1 — Besancon FRA
1955 — Filip, Marius Liviu vs Stahlberg, Gideon — 1/2-1/2 — Goteborg SWE
1955 — Stachowitz vs Montoya Eisinger, Maximiliano — 0-1 — Hoechst ch-GER

6…Bd6 — 1.5% (45 parties)

1941 — Iliesco, Juan vs Raud, Ilmar — 0-1 — Mar del Plata ARG
1947 — Keres, Paul Petrovich vs Koblencs, Alexander — 1-0 — Tallinn EST
1954 — Smyslov, Vasily vs Reshevsky, Samuel — 1/2-1/2 — New York, NY USA
1954 — Smyslov, Vladimir vs Reshevsky, Samuel — 1/2-1/2 — New York, NY USA
1968 — Peterson, Andrejs vs Murey, Jacob — 1-0 — Riga LAT

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