Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b7→a6, f7→e6
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v1), ● f4 (2v0)	● d5 (2v1)
Cases faibles	—	● c5
Centre	● e4 (2v1)	● d5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	5 (● b1, ● g1, ● 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

E03d — Catalan: Open, Alekhine Variation

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 a6 7.Qc2 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nf3 (Développer g1 — 85 % des parties) ; d5 (Occuper le centre — 3 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...c5 (Frapper le centre adverse — 88 % des parties) ; ...Rb8 (6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1948 JUG Ch – Round 10 – Bozic, Aleksandar – 0-1 – Gligorić, Svetozar – G46 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 Rb8 8. Nf3 b5 9. Bf4 Bd6 10. Bxd6 cxd6
1949 Moscow RUS – Round 1 – Ravinsky, Grigory – 0-1 – Bonch-Osmolovsky, Mikhail – G8 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 e5 8. Nf3 Bd6 9. O-O O-O 10. Nc3 c6
1950 Hungary – Round 1 – Füster, Géza – 0-1 – Barcza, Gedeon – G25 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. dxc5 Bxc5 9. Nf3 Qc7 10. Nc3 b5
1951 Chigorin Memorial – Round 1 – Smyslov, Vladimir – 1-0 – Byvshev, Vasily – G5 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 Rb8 8. Nf3 b5 9. a4 Bb7 10. axb5 axb5
1951 Moskou ch-URS – Round 1 – Novotelnov, Nikolai – 1/2-1/2 – Lipnitsky, Isaac – G42 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. dxc5 Bxc5 9. Nc3 O-O 10. Nf3 Qc7
1968 Monte Carlo – Round 1 – Larsen, Bent Ravn – 1-0 – Padevsky, Nikola – G7 1. g3 d5 2. Bg2 Nf6 3. c4 e6 4. d4 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. dxc5 Nxc5 9. Nc3 Bd6 10. Nf3 O-O
World Blitz 2009 – Round 31 – Tkachiev, Vladislav – 1/2-1/2 – Naiditsch, Arkadij – G318 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 Rb8 8. Nf3 b5 9. a4 Bb7 10. axb5 axb5

E03d — Open Defense, Alekhine Variation (1948)

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 a6 7.Qc2

Les coups candidats

7…c5 — 89.9% (160 parties)

Ambassadeurs : Tyleek, Drahomír (7x), Jenneborg, Seved (7x), Galjé, Hans (7x), Antonopoulos, Chris (6x), Aberbach Peltzman, Angel (6x), Obukhov, Gennady (6x), Kazmierski, Tomasz (6x), Reede, Arvo (6x)

7…Rb8 — 7.3% (13 parties)

Ambassadeurs : Kreuchauf, Olaf (3x), Smyslov, Vasily (1x), Byshev, Vladimir (1x), Pfeiffer, Gerhard (1x), Keller-Hermann, Edith (1x), Szymczak, Rafal (1x), Nocun, R. (1x), Kopylov, Michael (1x)

7…Be7 — 1.1% (2 parties)

Ambassadeurs : Vuji, Albana (1x), Agrawal, Kiran (1x), Carlsson, Ludvig 0316 (1x), Nilssen, Ellen Fredericia (1x)

7…e5 — 0.6% (1 parties)

Ambassadeurs : Ratner, Boris (1x), Zamkovskaya, Violetta Aleks (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…c5	7…Rb8	7…Be7	7…e5
<1800	12	92%	8%	—	—
1800-2200	55	93%	4%	2%	—
2200-2600	68	88%	9%	1%	—
2600+	3	67%	33%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7…c5	7…Rb8	7…Be7	7…e5
1950s	19	84%	11%	—	5%
1960s	3	100%	—	—	—
1970s	9	100%	—	—	—
1980s	14	93%	—	—	—
1990s	18	89%	6%	6%	—
2000s	27	93%	7%	—	—
2010s	38	95%	3%	—	—
2020s	50	84%	14%	2%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…c5	95%	84%	▼ -10.7%
7…Rb8	3%	14%	▲ +11.4%
7…Be7	0%	2%	▲ +2.0%
7…e5	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

7…c5 — 89.9% (160 parties)

1950 — Dunkelblum, Arthur vs Eken, Max — 0-1 — Antwerp BEL
1950 — Füster, Géza vs Anay Barche — 0-1 — Budapest HUN
1951 — Novotelnov, Nikolai vs Lipnitsky, Isaac — 1/2-1/2 — Moskou ch-URS
1951 — Smyslov, Vasily vs Botvinnik, Mikhail — 1-0 — Moscow RUS
1951 — Fuderer, Andrija vs Ivkov, Borislav — 1/2-1/2 — Sarajevo BIH

7…Rb8 — 7.3% (13 parties)

1951 — Smyslov, Vasily vs Byshev, Vladimir — 1-0 — Leningrad RUS
1951 — Pfeiffer, Gerhard vs Keller-Hermann, Edith — 1-0 — ?
1993 — Szymczak, Rafal vs Nocun, R. — 0-1 — cr.
2005 — Kopylov, Michael vs Bouroutzakis, Georgios — 1-0 — Kiel GER
2009 — Tkachiev, Vladislav vs Naiditsch, Arkadij — 1/2-1/2 — Moscow RUS

7…Be7 — 1.1% (2 parties)

1990 — Vuji, Albana vs Agrawal, Kiran — 1/2-1/2 — Novi Sad SRB
2023 — Carlsson, Ludvig 0316 vs Nilssen, Ellen Fredericia — 1-0 — Kvisla NOR

7…e5 — 0.6% (1 parties)

1956 — Ratner, Boris vs Zamkovskaya, Violetta Aleks — 0-1 — Kiev UKR

1948 JUG Ch – Round 10 – Bozic, Aleksandar – 0-1 – Gligorić, Svetozar – G46

1949 Moscow RUS – Round 1 – Ravinsky, Grigory – 0-1 – Bonch-Osmolovsky, Mikhail – G8

1950 Hungary – Round 1 – Füster, Géza – 0-1 – Barcza, Gedeon – G25

1951 Chigorin Memorial – Round 1 – Smyslov, Vladimir – 1-0 – Byvshev, Vasily – G5

1951 Moskou ch-URS – Round 1 – Novotelnov, Nikolai – 1/2-1/2 – Lipnitsky, Isaac – G42

1968 Monte Carlo – Round 1 – Larsen, Bent Ravn – 1-0 – Padevsky, Nikola – G7

World Blitz 2009 – Round 31 – Tkachiev, Vladislav – 1/2-1/2 – Naiditsch, Arkadij – G318