Structure de pions
♔ Blancs ♚ Noirs
Pions doublés ● c4, ● c7
Pions isolés
Arriérés
Chaînes ● f2→g3, h2→g3 ● f7→e6
Passés
Majorité ● aile dame 4v2
Cases
♔ Blancs ♚ Noirs
Cases fortes ● f4 (2v0) ● d5 (2v1)
Cases faibles
Centre ● 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
Clouages ● knight d7
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 ● …c4-c3, ● …c7-c5, ● …e6-e5

E02c — Open

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7   ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bB
bQ
bK
bB
bR
bPPion sous pression
bPPion sous pression
bP
bN
bP
bP
bP
bP
bN
wQ
bPpawn en prise !
wPPion central
Case forte (2v0)
wP
wP
wP
wP
wP
wBFou actif — mobilité 7
wP
wR
wN
wBFou actif — mobilité 5
wK
wN
wR
abcdefgh
Plans. Qxc4 (Centraliser la dame — 47 % des parties) ; Nf3 (Développer g1 — 26 % des parties) ; Nd2 (Développer b1 — 23 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wN
wK
wB
wN
wR
wP
wB
wP
wP
wP
wP
wP
wP
bPpawn en prise !
wQ
Avant-poste C (accessible)
bN
bP
bP
bP
bP
bN
bP
bPPion sous pression
bPPion sous pression
bR
bBFou actif — mobilité 5
bK
bQ
bB
bR
hgfedcba
Plans. ...a6 (Préparer expansion aile dame — 59 % des parties) ; ...c5 (Frapper le centre adverse — 21 % des parties) ; ...c6 (Renforcer le centre — 14 % des parties) ; ...Be7 (Fou actif (mobilité 5), Développer f8 — 5 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1937 Hastings3738 – Round 8 – Flohr, Salo – 1-0 – Fairhurst, William – G32
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nc3 c6 7. Qxc4 e5 8. Nf3 exd4 9. Qxd4 Bc5 10. Qd3 O-O
1938 It AVRO – Round 1 – Flohr, Salo – 1/2-1/2 – Euwe, Max – G2
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c5 7. Nxc4 Be7 8. dxc5 Bxc5 9. Nf3 O-O 10. O-O Nb6
1939 Buenos Aires ol f-A – Round 1 – Petrov, Vladimir (ENG) – 1/2-1/2 – Van Scheltinga, Theo – G4
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c5 7. Nxc4 cxd4 8. Bf4 Be7 9. Nd6+ Kf8 10. Nf3 Qb6
1939 Leningrad ch-URS – Round 8 – Tolush, Alexander – 1/2-1/2 – Makogonov, Vladimir – G62
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c5 7. Nxc4 Be7 8. dxc5 Bxc5 9. Nf3 O-O 10. O-O Nb6
1940 Moskou ch-URS – Round 1 – Petrov, Vladimirs – 1-0 – Makogonov, Vladimir – G24
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c6 7. Qxc4 Nb6 8. Qd3 c5 9. Ngf3 a6 10. O-O Be7
1940 Moskou ch-URS – Round 1 – Petrov, Vladimirs – 1/2-1/2 – Mikenas, Vladas – G27
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c5 7. Nxc4 cxd4 8. Bf4 Be7 9. Nd6+ Kf8 10. Nf3 Qb6
1942 Chocen – Round ? – Keller, Rudolf – 0-1 – Florian, Jaromir – G17
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 a6 7. Nxc4 Rb8 8. Qc2 Bb4+ 9. Bd2 Qe7 10. Nf3 O-O
1942 Chocen – Round ? – Keller, Rudolf – 1-0 – Dobias, Josef – G13
1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c5 7. Nxc4 cxd4 8. Bf4 Be7 9. Nd6+ Kf8 10. Nf3 Qb6
1942 Sverdlovsk – Round 4 – Petrov, Vladimirs – 1-0 – Sokolsky, Alexey – G23
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c5 7. Nxc4 Be7 8. dxc5 Bxc5 9. Nf3 O-O 10. O-O Nb6
1945 Ljubljana Liberation – Round 1 – Preinfalk, Anton – 1/2-1/2 – Gligoric, Svetozar – G2
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nc3 a6 7. Qxc4 b5 8. Qd3 Rb8 9. Nf3 Bb7 10. O-O c5
1950 Moskou ch-URS – Round 1 – Smyslov, Vladimir – 1/2-1/2 – Keres, Paul – G32
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c6 7. Qxc4 e5 8. dxe5 Nxe5 9. Qc3 Bd6 10. Ngf3 Qe7
1951 URS Ch sf – Round 13 – Shamkovich, Leonid – 1-0 – Zhukhovitsky, Samuel – G17
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nc3 a6 7. Qxc4 c5 8. e3 b5 9. Qe2 Rb8 10. a4 b4
1952 Budapest – Round 15 – Gereben, Erno – 1/2-1/2 – Stahlberg, Gideon – G132
1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 Be7 7. Ngf3 O-O 8. Qxc4 a6 9. O-O b5 10. Qc2 Bb7
1952 Havana – Round 1 – Gligorić, Svetozar – 1/2-1/2 – Eliskases, Erich – G11
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c6 7. Qxc4 e5 8. Ngf3 Nb6 9. Qd3 exd4 10. Nxd4 Bc5
1952 Moscow RUS – Round 12 – Glotov, Vitaly – 1/2-1/2 – Estrin, Yakov – G9
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c5 7. Nxc4 cxd4 8. Bf4 Be7 9. Nd6+ Kf8 10. Nf3 Qb6
1952 Saltsjobaden Interzonal – Round 11 – Eliskases, Erich – 1-0 – Golombek, Harry – G99
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 Be7 7. Qxc4 O-O 8. Ngf3 a6 9. Qc2 c5 10. O-O cxd4
1952 URS Ch sf Leningrad RUS – Round ? – Alatortsev, Vladimir N. – 1/2-1/2 – Byvshev, Vasily – G9
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c6 7. Qxc4 e5 8. Ngf3 Bd6 9. Qc2 O-O 10. dxe5 Nxe5
1960 Buenos Aires – Round 4 – Kortchnoi, V. – 1-0 – Olafsson, Frimann Galdur – G49
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 a6 7. Nxc4 b5 8. Qc2 Nd5 9. Ne3 Bb4+ 10. Kf1 N7f6
1960 Leipzig olm fin-A – Round 6 – Fuchs, Reinhart – 1-0 – Wade, Robert G – G97
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c6 7. Qxc4 e5 8. Ngf3 Nb6 9. Qd3 exd4 10. Nxd4 Bc5
1962 Lasker Memorial Berlin-Ost – Round 9 – Minev, Nikolay N – 0-1 – O'Kelly de Galway, Alberic – G39
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c5 7. Nxc4 a6 8. Bf4 b5 9. Qd1 Nd5 10. Nd6+ Bxd6
1963 Kiev Ch – Round 10 – Gerber, Vladimir – 0-1 – Zurakhov, Vladlen Y – G37
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nc3 c5 7. Bf4 a6 8. d5 exd5 9. Nb5 axb5 10. Qxa8 Be7
1965 Capablanca Memorial – Round 17 – Smyslov, Vladimir – 1/2-1/2 – Robatsch, Karl – G169
1. c4 Nf6 2. d4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c6 7. Qxc4 e5 8. dxe5 Nxe5 9. Qc3 Bd6 10. f4 Ng6
1969 Icelandic Chess Cham – Round 11 – Olafsson, Fridrik – 1/2-1/2 – Thorbergsson, Freysteinn – G13
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c5 7. Nxc4 Be7 8. dxc5 Bxc5 9. Nf3 O-O 10. O-O Rb8
1974 Manila – Round 2 – Kuligowski, Adam – 1-0 – Schneider, Lars-Ake – G49
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c6 7. Qxc4 Bd6 8. Ngf3 O-O 9. Qc2 e5 10. O-O exd4
Hoogovens 1987 – Round 1 – Korchnoi, Viktor – 1/2-1/2 – Sosonko, Gennadi – G8
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Nd2 c6 7. Qxc4 e5 8. Ngf3 Bd6 9. Qc2 exd4 10. Nxd4 O-O

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