E42f - 7.a3 Be7 - Nimzo-Indian

Structure de pions
♔ Blancs ♚ Noirs
Pions doublés — —
Pions isolés — —
Arriérés — —
Chaînes ● b2→a3 ● d7→e6, f7→e6
Passés — —
Majorité ● aile dame 3v2 —
Cases
♔ Blancs ♚ Noirs
Cases fortes ● f4 (2v0), ● b5 (2v0) —
Cases faibles — —
Centre ● d4 (2v0), ● e5 (1v0) —
Colonnes et diagonales
♔ Blancs ♚ Noirs
Semi-ouvertes ● e ● c
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 5)
Bf1 ● Bf1 Non développé (mob. 0)
Be7 ● Be7 Actif (mob. 4)
Bc8 ● Bc8 Non développé (mob. 0)
Paire de fous ● Oui ● Oui
Non développées 4 (● c1, ● f1, ● a1, ● h1) 3 (● b8, ● c8, ● a8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Au centre ● Roqué
Droits de roque O-O / O-O-O —
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre mobile
Ruptures ● d4-d5 ● …d7-d5, ● …e6-e5

E42 — Nimzo-Indian: 4.e3 c5 5.Ne2 cxd4 6.exd4 O-O 7.a3 Be7

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Ne2 cxd4 6.exd4 O-O 7.a3 Be7   ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bR
bK
bP
bP
bP
bB
bP
bP
bP
bP
bN
Case forte (2v0)
wP
wPPion central
Case forte (2v0)
wP
wN
wP
wN
wP
wP
wP
wR
wBFou actif — mobilité 5
wQ
wK
wB
wR
abcdefgh
Plans. d5 (Occuper le centre — 56 % des parties) ; Nf4 (Cavalier actif en f4 — 26 % des parties) ; g3 (Préparer le fianchetto — 13 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wB
wK
wQ
wB
wR
wP
wP
wP
wN
wP
wN
wP
wP
wP
bN
bP
bP
bP
bP
bBFou actif — mobilité 4
bP
bP
bP
bK
bR
bQ
bB
bN
bR
hgfedcba
Plans. ...d5 (Occuper le centre — 33 % des parties) ; ...d6 (Libérer Bc8 — 10 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
? 1978 – Round ? – Timman, Jan H – 1/2-1/2 – Portisch, Lajos – G1
1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. Nf4 d5 9. cxd5 Nxd5 10. Ncxd5 exd5
1938 AVRO – Round 1 – Capablanca, Jose – 1/2-1/2 – Keres, Paul Petrovich – G2
1. d4 e6 2. c4 Bb4+ 3. Nc3 c5 4. e3 Nf6 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. Nf4 d5 9. cxd5 Nxd5 10. Nfxd5 exd5
1949 Hastings4950 – Round 4 – Evans, Larry M – 1-0 – Koenig, Imre – G15
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. exd4 Be7 8. d5 exd5 9. cxd5 Bc5 10. Na4 Bd6
1957 USA Ch Open 58th – Round 3 – Saidy, Anthony – 1-0 – Nash, Edmund – G18
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 d6 10. Ng3 Ne8
1958 GDR Ch Schkopau GER – Round 2 – Golz, Werner – 0-1 – Fiensch, Guenter – G9
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. exd4 Be7 8. Ng3 d5 9. c5 b6 10. b4 bxc5
1959 Hastings5960 – Round 3 – Burger, Hein – 1/2-1/2 – Golombek, Harry – G11
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. g3 d5 9. c5 b6 10. b4 a5
1959 Marianske Lazne – Round 1 – Kozma, Julius – 1-0 – Blatny, Frantisek – G6
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. exd4 Be7 8. d5 d6 9. Ng3 Nbd7 10. Be2 a5
1960 Poland Ch – Round 7 – Gromek, Jozef – 1-0 – Pojedziniec, Wladyslaw – G26
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. exd4 Be7 8. g3 d5 9. c5 e5 10. dxe5 Ng4
1960 URS Ch sf – Round 12 – Vistaneckis, Isakas – 1-0 – Movshovich A – G93
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. exd4 Be7 8. d5 exd5 9. cxd5 Re8 10. g3 d6
1961 Baku ch-URS – Round 2 – Polugaevsky, Lev – 1/2-1/2 – Kholmov, Ratmir D – G25
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 Re8 10. g3 Bc5
1965 Northern Open – Round 9 – Griffiths, Peter C – 1-0 – Klugman, Reuben – G11
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. exd4 Be7 8. g3 d5 9. cxd5 Nxd5 10. Bg2 Bf6
1965 Tallinn ch-URS – Round 10 – Khasin, Abram – 0-1 – Polugaevsky, Lev – G133
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. g3 d5 9. c5 a5 10. Na4 Nfd7
1966 BRA-ch33 – Round 14 – Pimentel, Frederico Guilherme – 0-1 – De Souza Mendes, Joao – G28
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 d6 9. Ng3 Nbd7 10. Be2 a5
1966 Malaga Malaga ESP – Round 10 – Saborido Carre, Rafael – 1/2-1/2 – O'Kelly de Galway, Alberic – G18
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 d6 10. Nd4 Nbd7
1968 Monte Carlo – Round 8 – Byrne, Ray – 1/2-1/2 – Damjanovic, Marko – G51
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 O-O 6. a3 cxd4 7. exd4 Be7 8. d5 d6 9. Ng3 exd5 10. cxd5 Nbd7
1969 Venice – Round 15 – Saidy, Anthony – 1-0 – Tatai, Stefano – G91
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 Re8 10. g3 Bc5
34. ECC Open 2018 – Round 3.2 – Babula, Vlastimil – 1/2-1/2 – Yu, Yangyi – G86
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. Nf4 d5 9. cxd5 Nxd5 10. Ncxd5 exd5
36. Olympiad 2004 – Round 6 – Sargissian, Gabriel – 1-0 – Teplitsky, Yan – G190
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. Nf4 d5 9. cxd5 Nxd5 10. Ncxd5 exd5
Amber-rapid 6th 1997 – Round 8 – Lautier, Joel – 1/2-1/2 – Anand, Viswanathan – G40
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 Bc5 10. Nd4 d6
Amber-rapid 7th 1998 – Round 1 – Sadler, Matthew D – 1-0 – Nikolic, Predrag – G1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 Re8 10. d6 Bf8
Bugojno 1980 – Round 11 – Gligoric, Sofija – 0-1 – Karpov, Anatoly – G40
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 Re8 10. d6 Bf8
Bugojno 1984 – Round ? – Gligoric, Svetozar – 1/2-1/2 – Ljubojevic, Ljubomir – G65
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 Re8 10. d6 Bf8
Corus 2000 – Round 1 – Timman, Jan H – 1/2-1/2 – Anand, Viswanathan – G1
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. Nf4 d5 9. cxd5 Nxd5 10. Ncxd5 exd5
Corus A 2006 – Round 4 – Mamedyarov, Shakhriyar – 1/2-1/2 – Tiviakov, Sergei – G23
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. Nf4 d5 9. cxd5 Nxd5 10. Ncxd5 exd5
FIDE WCh KO 2000 – Round 5.3 – Khalifman, Alexander – 1/2-1/2 – Anand, Viswanathan – G58
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. Nf4 d5 9. cxd5 Nxd5 10. Ncxd5 exd5
FIDE WCh KO 2001 – Round 4.1 – Lautier, Joel – 1/2-1/2 – Nikolic, Predrag – G291
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. Nf4 d5 9. cxd5 Nxd5 10. Ncxd5 exd5
FIDE-Wch k.o. 1997 – Round 2.1 – Aleksandrov, Aleksej – 1/2-1/2 – Hjartarson, Johann – G59
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 Re8 10. d6 Bf8
Hoogovens 1979 – Round 7 – Hort, Vlastimil – 1/2-1/2 – Sosonko, Gennadi – G16
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. g3 d5 9. cxd5 Nxd5 10. Bg2 Nxc3
Interpolis 1978 – Round 1 – Timman, Jan H – 1/2-1/2 – Portisch, Lajos – G5
1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. Nf4 d5 9. cxd5 Nxd5 10. Ncxd5 exd5
London P&D/GLC Kings 1984 – Round 11 – Torre, Eugenio – 1-0 – Karpov, Anatoly – G12
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 Bc5 10. b4 Bb6
Manila Interzonal 1990 – Round 9 – Lautier, Joel – 1/2-1/2 – Khalifman, Alexander – G149
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. Nf4 d5 9. Be3 Nc6 10. cxd5 Nxd5
Moscow 1981 – Round 1 – Kasparov, Garry – 1/2-1/2 – Andersson, Ulf 1949 – G12
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 Re8 10. Be3 d6
Niksic 1983 – Round 14 – Gligoric, Svetozar – 0-1 – Timman, Jan H – G88
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 Re8 10. g3 Bc5
Olympiad 2002 – Round 9 – Van Wely, Loek – 1/2-1/2 – Akopian, Vladimir – G288
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. Nf4 d5 9. cxd5 Nxd5 10. Ncxd5 exd5
RWE Gas Match 2001 – Round 9 – Kramnik, Vladimir – 1-0 – Leko, Peter – G9
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. Nf4 d5 9. cxd5 Nxd5 10. Ncxd5 exd5
Tilburg Fontys 1998 – Round 2 – Sadler, Matthew D – 1/2-1/2 – Topalov, Veselin – G5
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 Bc5 10. b4 Bd6
Wch FIDE KO 1997 – Round 2.1 – Aleksandrov, Aleksej – 1/2-1/2 – Hjartarson, Johann – G3
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. d5 exd5 9. cxd5 Re8 10. d6 Bf8
World Blitz 2019 – Round 4.17 – Tran, Tuan Minh – 0-1 – Duda, Jacob – G240
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 cxd4 6. exd4 O-O 7. a3 Be7 8. Nf4 d6 9. Be2 Nbd7 10. O-O a6

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