E02 — Catalan: Open, 5.Qa4+ Nbd7 6.Nf3 a6 7.Nc3

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Nf3 a6 7.Nc3 ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Qxc4 (Centraliser la dame — 67 % des parties) ; Ne5 (Cavalier centralisé en e5 — 15 % des parties) ; O-O (Mettre le roi en sécurité, connecter les tours — 12 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Rb8 (54 % des parties) ; ...Be7 (Fou actif (mobilité 5), Développer f8 — 34 % des parties) ; ...c5 (Frapper le centre adverse — 11 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● c4, ● c7
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b7→a6, f7→e6
Passés	—	—
Majorité	—	● aile dame 4v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v1), ● g5 (2v0)	● d5 (2v1)
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (2v1)	● d5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Ok (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Clouages	—	● knight d7
Non développées	3 (● 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	mobile
Ruptures	● d4-d5	● …c7-c5, ● …e6-e5

Partie
1937 Semmering/Baden – Round 12 – Petrov, Vladimir (ENG) – 1/2-1/2 – Fine, Reuben – G43 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Bd6 8. O-O O-O 9. Qxc4 b5 10. Qd3 Bb7
1938 AVRO – Round 1 – Reshevsky, Samuel – 0-1 – Fine, Reuben – G10 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Be7 8. Ne5 Rb8 9. Qxc4 b5 10. Qb3 Nxe5
1938 Lodz – Round 1 – Petrov, Vladimir (ENG) – 0-1 – Pirc, Vasja – G60 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O Bd6
1938 Margate – Round 5 – Petrov, Vladimir (ENG) – 1-0 – Alekhine, Alexander – G25 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nf3 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O c5
1938 Montevideo – Round 14 – Maderna, Carlos – 1/2-1/2 – Alekhine, Alexander – G72 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nf3 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O Be7
1938 New York – Round 16 – Fine, Reuben – 1-0 – Dake, Arthur William – G11 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 c5 8. O-O Be7 9. dxc5 Bxc5 10. Qxc4 b5
1939 Leningrad ch-URS – Round 4 – Panov, Vasily – 1/2-1/2 – Makogonov, Vladimir – G28 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nf3 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qb3 Bb7 10. Bf4 Rc8
1939 Rosario – Round 1 – Petrov, Vladimir (ENG) – 1/2-1/2 – Eliskases, Erich – G4 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. Bf4 Bd6
1941 Absolute Championship – Round 3 – Keres, Paul Petrovich – 1-0 – Bondarevsky, Igor – G7 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nf3 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O c5
1942 Chocen – Round ? – Katetov, Miroslav – 1/2-1/2 – Richter, Emil – G16 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Rb8 8. Bf4 b5 9. Qa5 Rb6 10. Ne5 Nxe5
1947 Parnu – Round ? – Kasparian, Genrikh – 1-0 – Tolush, Alexander V – G72 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 Nbd7 6. Qa4 a6 7. Nc3 Be7 8. Qxc4 b5 9. Qd3 Bb7 10. O-O O-O
1947 URS Ch, semi final – Round 9 – Zhukhovitsky, Samuel – 0-1 – Vasiljev, Aleksandr – G50 1. c4 Nf6 2. d4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nf3 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O c5
1947 Vienna SCHLECHTER-mem – Round 7 – Muller, Hans – 0-1 – Szabo, Laszlo – G17 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O c5
1949 Oldenburg – Round 17 – Heemsoth, Hermann – 0-1 – Bogoljubow, Efim – G69 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Be7 8. Qxc4 b5 9. Qd3 Bb7 10. O-O O-O
1950 Mar del Plata – Round 14 – Marini, Liam – 1/2-1/2 – Eliskases, Erich – G118 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O Bd6
1950 URS Ch sf – Round 2 – Flohr, Salo – 0-1 – Bannik, Anatolij – G3 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nf3 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O c5
1951 USA-op52 – Round 11 – Hearst, Eliot – 1/2-1/2 – Evans, Larry M – G27 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 c5 8. dxc5 Bxc5 9. O-O b5 10. Nxb5 O-O
1951 Wertheim Memorial – Round 5 – Shainswit, George – 0-1 – O'Kelly de Galway, Alberic – G28 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O c5
1955 Ljubljana – Round 4 – Krivec Slavko – 0-1 – Vidmar, Milan Jr – G28 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. d4 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. Bf4 Bd6
1957 FRG Ch – Round 1 – de Jager, Andreas – 0-1 – Darga, Klaus – G1 1. c4 Nf6 2. d4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nf3 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O Be7
1962 Varna olm – Round 3 – Robatsch, Karl – 1/2-1/2 – Unzicker, Wolfgang – G105 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nf3 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O c5
1963 Piatigorsky Cup – Round 13 – Petrosian, Tigran V – 1-0 – Panno, Oscar – G30 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qb3 Bb7 10. O-O c5
1966 Rio Hondo zt – Round 4 – Bolbochan, J. – 1-0 – Emma, Jaime – G6 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O c5
1967 October Revolution 50 – Round ? – Barcza, Gedeon – 1-0 – Jimenez Zerquera, Eleazar – G120 1. Nf3 d5 2. c4 Nf6 3. d4 e6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Be7 8. Ne5 O-O 9. Nxd7 Nxd7 10. Qxc4 c5
1969 Vidmar Memorial – Round 7 – Barcza, Gedeon – 1/2-1/2 – Unzicker, Wolfgang – G25 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O c5
Brasilia 1981 – Round 1 – Andersson, Ulf 1949 – 1-0 – Filguth, Rubens Alberto – G14 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. Bf4 Bd6
FIDE-Wch k.o. 1997 – Round 2.1 – Andersson, Ulf 1949 – 1-0 – Milov, Vadim – G63 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Rb8 8. Qxc4 b5 9. Qd3 Bb7 10. O-O c5
Jakarta / Yogya / Bali 1983 – Round 18 – Andersson, Ulf 1949 – 1-0 – Radulov, Ivan – G57 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Qa4+ Nbd7 5. g3 e6 6. Bg2 a6 7. Nc3 c5 8. O-O Be7 9. dxc5 Bxc5 10. Qxc4 b5
Johannesburg 1981 – Round 4 – Andersson, Ulf 1949 – 1-0 – Huebner, Robert – G23 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. Qa4+ Nbd7 5. g3 e6 6. Bg2 a6 7. Nc3 Be7 8. Ne5 Rb8 9. Nxd7 Qxd7 10. Qxc4 b5
Niksic 1983 – Round 8 – Andersson, Ulf 1949 – 1/2-1/2 – Tal, Mikhail – G56 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Nc3 Be7 8. Ne5 c5 9. dxc5 Bxc5 10. Nxc4 O-O
World Blitz 2017 – Round 21.15 – Fedoseev, Vladimir – 0-1 – Adly, Ahmed – G1081 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nbd7 6. Qa4 a6 7. Nc3 Be7 8. Qxc4 b5 9. Qd3 Bb7 10. O-O c5

E02 — Open (1937)

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Nf3 a6 7.Nc3

Les coups candidats

7…Rb8 — 54.0% (278 parties)

Ambassadeurs : Andersson, Ulf (18x), Nogueiras Santiago, Jesus (5x), Sveshnikov, Evgeny (5x), Krivonosov, Oleg (5x), Tal, Mikhail (3x), Unzicker, Ferdinand, Dr. (2x), Panno, Oscar (2x), Karpov, Anatoly (2x)

7…Be7 — 33.8% (174 parties)

Ambassadeurs : Andersson, Ulf (7x), Huebner, Robert (4x), Xu, Jun (3x), Vallejo Pons, Francisco (3x), Bany, Jerzy (2x), Agdestein, Simen (2x), Kishnev, Sergey (2x), Borges Matos, Juan (2x)

7…c5 — 11.3% (58 parties)

Ambassadeurs : Barkhagen, Jonas (2x), Elliott, Henry J (1x), Evans, Larry (1x), Bjerke, Richard (1x), Plachetka, Jan (1x), Rasmussen, Lars Garne (1x), Lombard, Andre (1x), Barboza, N. (1x)

7…Bd6 — 0.8% (4 parties)

Ambassadeurs : Diez Gonzalez, Pedro Maria (1x), Soto Palomo, Cecilio (1x), Krivonosov, Oleg (1x), Bernotas, Arturs (1x), Berdnyk, Mariia (1x), Romanchuk, Viktor (1x), Bulgak, Damir (1x), Stribuk, Artiom (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…Rb8	7…Be7	7…c5	7…Bd6
<1800	13	31%	46%	23%	—
1800-2200	111	56%	30%	14%	1%
2200-2600	317	53%	36%	10%	1%
2600+	32	62%	34%	3%	—

Évolution par décennie (% des parties)

Décennie	N parties	7…Rb8	7…Be7	7…c5	7…Bd6
1950s	9	78%	11%	11%	—
1960s	8	75%	25%	—	—
1970s	11	73%	9%	18%	—
1980s	56	64%	23%	12%	—
1990s	61	49%	36%	15%	—
2000s	124	48%	38%	14%	1%
2010s	153	53%	39%	7%	1%
2020s	93	55%	31%	12%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…Rb8	53%	55%	▲ +1.9%
7…Be7	39%	31%	▼ -7.4%
7…c5	7%	12%	▲ +4.6%
7…Bd6	1%	2%	▲ +1.5%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 4 parties
Karpov, Anatoly — 3 parties
Kasparov, Garry — 3 parties
Gukesh D — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

7…Rb8 — 54.0% (278 parties)

1950 — Acoltzi Ruiz, Mariana vs Eliskases, Erich — 1/2-1/2 — Mar del Plata ARG
1950 — Flohr, Salo vs Bannik, Anatolij — 0-1 — Tartu
1951 — Shainswit, George vs O'Kelly de Galway, Alberic — 0-1 — New York, NY USA
1954 — Toran Albero, Roman vs Ribeiro, Joao — 1-0 — Munich GER
1955 — Krivec, Slavko vs Vidmar, Milan Jr — 0-1 — Ljubljana

7…Be7 — 33.8% (174 parties)

1954 — Weigelt, Horst vs Hampel, Johannes — 0-1 — Schkopau
1967 — Vukic, Milan vs Kovacevic, Vlatko — 1/2-1/2 — Kraljevo
1967 — Anay Barche vs Jimenez Alastre Jorge Ernesto — 1-0 — Leningrad RUS
1978 — Angantysson, Haukur vs Olafsson, Helgi — 0-1 — Reykjavik ISL
1981 — Andersson, Ulf vs Huebner, Robert — 1-0 — Johannesburg

7…c5 — 11.3% (58 parties)

1951 — Elliott, Henry J vs Evans, Larry — 1/2-1/2 — Forth Worth
1972 — Zagorovsky, Mikhail Pavlovich vs Brglez Frantisek — 1/2-1/2 — ?
1978 — Rasmussen, Lars Garne vs Lombard, Andre — 0-1 — Mitropa Cup
1981 — Rantanen, Veikko vs Kolu, Antti — 0-1 — corr NS/I
1983 — Andersson, Ulf vs Radulov, Ivan — 1-0 — Jakarta / Yogya / Bali

7…Bd6 — 0.8% (4 parties)

2009 — Diez Gonzalez, Pedro Maria vs Soto Palomo, Cecilio — 1-0 — ?
2012 — Krivonosov, Oleg vs Bernotas, Arturs — 1/2-1/2 — Riga LAT
2021 — Berdnyk, Mariia vs Romanchuk, Viktor — 1-0 — Cherkasy UKR
2026 — Bulgak, Damir vs Stribuk, Artiom — 0-1 — Minsk BLR

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