D78m — Neo-Gruenfeld, 6.O-O c6 7.Nbd2 Ne4

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.Nbd2 Ne4 *   ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bR
bK
bP
bP
bP
bP
bB
bP
bP
bP
bP
Case forte (2v1)
wP
wPPion central
bN
wN
wP
wP
wP
wN
wP
wP
wB
wP
wR
wB
wQ
wR
wK
abcdefgh
Plans. e3 (Solidifier le centre — 39 % des parties) ; cxd5 (Capture en d5, Occuper le centre — 21 % des parties) ; Qb3 (Contrôle diagonale b3-g8 — 20 % des parties) ; b3 (Préparer le fianchetto — 16 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wB
wR
wP
wB
wP
wP
wN
wP
wP
wP
wN
bN
wP
wP
Case forte (2v0)
bP
bP
bP
bP
bBFou actif — mobilité 5
bP
bP
bP
bP
bK
bR
bQ
bBFou actif — mobilité 5
bN
bR
hgfedcba
Plans. ...Nxd2 (Menace f1 — 35 % des parties) ; ...Bf5 (Fou actif (mobilité 5), Développer c8 — 12 % des parties) ; ...Qb6 (Contrôle diagonale b6-g1 — 6 % des parties) ; ...a5 (6 % des parties) ; ...f5 (Attaque à l'aile roi — 5 % des parties).
Avantages
Faiblesses
Diagonale active
Plans

Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● f2→g3, h2→g3 ● c6→d5, b7→c6, f7→g6, h7→g6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● e5 (2v1) ● f5 (2v0)
Cases faibles
Centre ● e5 (2v1) ● d5 (2v1)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 0)
Bg2 ● Bg2 Ok (mob. 2)
Bg7 ● Bg7 Actif (mob. 5)
Bc8 ● Bc8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 2 (● c1, ● a1) 3 (● b8, ● c8, ● a8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Roqué ● Roqué
Droits de roque
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre fermé
Ruptures ● …c6-c5, ● …e7-e5
Partie
1942 Sverdlovsk – Round 3 – Ragozin, Viacheslav – 1-0 – Petrov, Vladimir S. – G17
1. c4 c6 2. Nf3 d5 3. g3 g6 4. Bg2 Bg7 5. d4 Nf6 6. O-O O-O 7. Nbd2 Ne4 8. b3 Bf5 9. Bb2 Nd7 10. Nh4 Nxd2
1946 Pittsburgh Open – Round 1 – Steiner, Herman – 1-0 – Evans, Larry M – G45
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c4 c6 7. Nbd2 Ne4 8. Qb3 Nxd2 9. Bxd2 dxc4 10. Qxc4 Be6
1947 Aalborg – Round 3 – Stoltz, Gösta – 0-1 – Poulsen, Christian – G14
1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. Nf3 O-O 6. O-O c6 7. Nbd2 Ne4 8. cxd5 cxd5 9. Ne5 Nd7 10. Nxd7 Qxd7
1949 YUG Ch – Round 14 – Germek, Milan – 1/2-1/2 – Bozic, Aleksandar – G13
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. Nbd2 Ne4 8. e3 Nxd2 9. Nxd2 e6 10. b3 Nd7
1949 YUG-NED – Round 1.4 – Rabar, Braslav – 0-1 – Cortlever, Nico – G4
1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O O-O 7. Nbd2 Ne4 8. cxd5 cxd5 9. Ne5 Nd7 10. Nxd7 Qxd7
1952 Budapest – Round 12 – Keres, Paul Petrovich – 1/2-1/2 – Benko, Pal – G108
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. Nbd2 Ne4 8. e3 Nxd2 9. Nxd2 dxc4 10. Nxc4 Be6
1952 Helsinki olm – Round 1 – Abad Gonzalez, Jose Miguel – 1/2-1/2 – Sajtar, Jaroslav – G109
1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O O-O 7. Nbd2 Ne4 8. e3 Bf5 9. Qb3 Qb6 10. Qxb6 axb6
1953 Bucharest – Round 13 – Golombek, Harry – 0-1 – O'Kelly, Albéric de Galway – G123
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c4 c6 7. Nbd2 Ne4 8. Qb3 Qb6 9. Qxb6 axb6 10. cxd5 cxd5
1954 CSR Ch – Round 10.4 – Zita, Frantisek – 0-1 – Weiner, Milan – G87
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. d4 d5 7. Nbd2 Ne4 8. b3 Nxd2 9. Qxd2 Bf5 10. Bb2 Be4
1954 Prague zt – Round 14 – Olafsson, Fridrik – 1/2-1/2 – Sajtar, Jaroslav – G76
1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nd2 Bg7 6. Ngf3 O-O 7. O-O Ne4 8. Qb3 Qb6 9. cxd5 Qxb3 10. axb3 cxd5
1955 Mar del Plata – Round 12 – Szabo, Ladislav – 1/2-1/2 – Toran Albero, Roman – G83
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 c6 6. O-O d5 7. Nbd2 Ne4 8. Qb3 Qb6 9. cxd5 Qxb3 10. Nxb3 cxd5
1961 Zagreb – Round 1 – Udovcic, Mijo – 1/2-1/2 – Stupica, Janez – G30
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. d4 d5 7. Nbd2 Ne4 8. cxd5 cxd5 9. Ne5 Nd7 10. Nxe4 dxe4
1962 Asztalos Memorial 5th – Round 3 – Lengyel, Levente – 1-0 – Paoli, Enrico – G23
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 d5 5. O-O O-O 6. c4 c6 7. Nbd2 Ne4 8. e3 f5 9. b3 Nd7 10. Bb2 e6
1962 Erevan ch-URS – Round 1 – Stein, Leon Rico – 1-0 – Krogius, Nikolai V – G153
1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. g3 c6 5. Bg2 d5 6. O-O O-O 7. Nbd2 Ne4 8. Qb3 Qb6 9. e3 Nd7 10. cxd5 Qxb3
1963 HUN-RSFSR – Round 1.3 – Bilek, Istvan – 1/2-1/2 – Krogius, Nikolai V – G4
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 c6 7. Nbd2 Ne4 8. b3 Bf5 9. Bb2 Nd7 10. Nh4 Nxd2
1964 Hoogovens-B – Round 11 – Flesch, Jean-benoit – 1/2-1/2 – Kramer, Hanspeter – G41
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 c6 7. Nbd2 Ne4 8. cxd5 cxd5 9. Ne5 Nxd2 10. Bxd2 Be6
1964 Magdeburg ch DDR – Round 10 – Maedler, Juergen, Dr. – 1/2-1/2 – Malich, Burkhard, Dr. – G21
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 c6 7. Nbd2 Ne4 8. cxd5 cxd5 9. Ne5 Nd7 10. Nxd7 Qxd7
1964 Pecs – Round 9 – Malich, Burkhard, Dr. – 1-0 – Czerniak, Moshe – G54
1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nbd2 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O Ne4 8. cxd5 cxd5 9. Ne5 f6 10. Nd3 f5
1965 HUN-ch21 – Round 1 – Bilek, Istvan – 1/2-1/2 – Haag, Ervin – G71
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 c6 7. Nbd2 Ne4 8. Qb3 Nxd2 9. Bxd2 e6 10. Qc2 Nd7
1965 Hungary – Round 1 – Bilek, Istvan – 1/2-1/2 – Kluger, Gyula – G114
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 c6 7. Nbd2 Ne4 8. Qb3 dxc4 9. Qxc4 Bf5 10. Qb3 Nxd2
1965 Hungary – Round 1 – Bilek, Istvan – 1/2-1/2 – Pogats, Jozsef Jr. – G109
1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. Nbd2 Ne4 8. Qb3 e6 9. Ne5 f6 10. Nd3 f5
1965 Hungary – Round 1 – Filep, Tibor – 1/2-1/2 – Liptay, Laszlo Dr. – G43
1. d4 Nf6 2. c4 g6 3. g3 c6 4. Nf3 d5 5. Nbd2 Bg7 6. Bg2 O-O 7. O-O Ne4 8. e3 Nxd2 9. Nxd2 dxc4 10. Nxc4 Be6
1965 WchT U26 12. fin-A – Round 6 – Sloth, Jorn – 1/2-1/2 – Anoshin, Gennadi N – G38
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 c6 7. Nbd2 Ne4 8. e3 Nxd2 9. Nxd2 e6 10. Rb1 a5
1966 CSR Ch Int 1st – Round 17 – Bilek, Istvan – 1/2-1/2 – Filip, Miroslav – G103
1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O Nf6 5. d4 O-O 6. c4 c6 7. Nbd2 Ne4 8. Qb3 Qb6 9. cxd5 Qxb3 10. axb3 Nxd2
1966 Den Haag zt – Round 3 – Garcia Aruca, Francisco Fernando – 1/2-1/2 – Donner, Jan-Hein – G25
1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 7. Nbd2 Ne4 8. cxd5 cxd5 9. Nb3 Nc6 10. Ng5 Bf5
1966 Den Haag zt – Round 6 – Bilek, Istvan – 1-0 – Donner, Jan-Hein – G36
1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 7. Nbd2 Ne4 8. Qb3 b6 9. cxd5 Qxd5 10. Nxe4 Qxe4
1967 Palma de Mallorca – Round 16 – Toran Albero, Roman – 1/2-1/2 – Tatai, Stefano – G115
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. Nbd2 Ne4 8. b3 Bf5 9. Bb2 Nxd2 10. Qxd2 Be4
1967 Venice – Round 1 – Lengyel, Laszlo – 1/2-1/2 – Donner, Jan-Hein – G1
1. c4 Nf6 2. Nf3 g6 3. d4 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. Nbd2 Ne4 8. b3 Bf5 9. Bb2 Nxd2 10. Qxd2 Be4
1967 Venice Venice ITA – Round 10 – Lengyel, Levente – 1/2-1/2 – Evans, Larry M – G31
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. Nbd2 O-O 7. O-O Ne4 8. Qb3 e6 9. Qc2 Nxd2 10. Bxd2 Nd7
1969 Capablanca Memorial – Round 2 – Panno, Oscar – 1/2-1/2 – Uhlmann, Wolfgang – G18
1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 c6 5. Bg2 d5 6. Nbd2 O-O 7. O-O Ne4 8. Qb3 Nxd2 9. Bxd2 dxc4 10. Qxc4 Bg4
1969 Palma de Mallorca – Round 17 – Hort, Alex – 1/2-1/2 – Szabo, Ladislav – G153
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 d5 5. c4 c6 6. Nbd2 O-O 7. O-O Ne4 8. cxd5 cxd5 9. Ne5 Nd7 10. Nxe4 Nxe5
1969 Quito/Guayaquil zt – Round ? – Garcia Martinez, Silvino – 1-0 – Campos Lopez, Mario – G17
1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 c6 6. O-O d5 7. Nbd2 Ne4 8. Qb3 Qb6 9. cxd5 Qxb3 10. axb3 cxd5
Lindores Abbey Tal Memorial 2021 – Round 14.39 – Jumabayev, Rinat – 1-0 – Cori T., Deysi – G620
1. Nf3 Nf6 2. g3 g6 3. c4 Bg7 4. Bg2 O-O 5. d4 c6 6. O-O d5 7. Nbd2 Ne4 8. Qb3 Nxd2 9. Bxd2 dxc4 10. Qxc4 Be6

D78m —
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.Nbd2 Ne4
Les coups candidats
8.e3 — 39.3% (166 parties)
Ambassadeurs : Sandler, Leonid (2x), Handoko, Edhi (2x), Gonzalez, Juan Carlos (1x), Sajtar, Jaroslav (1x), Lengyel, Levente (1x), Paoli, Enrico (1x), Sloth, Jorn (1x), Anoshin, Gennadi N (1x)
8.cxd5 — 20.9% (88 parties)
Ambassadeurs : Malich, Burkhard, Dr. (2x), Bialas, Wolfram (2x), Lechtynsky, Jiri (2x), Ginting, Nasib (2x), Czerniak, Moshe (1x), Gipslis, Aivars (1x), Bukhover, Alik (1x), Flesch, János (1x)
8.Qb3 — 20.1% (85 parties)
Ambassadeurs : Bak, Istvan (6x), Panno, Oscar (2x), Vukic, Milan (2x), Shabalov, Alexander (2x), Donner, Jan-Hein (1x), Filip, Miroslav (1x), Kluger, Gyula (1x), Szabo, Laszlo (1x)
8.b3 — 16.1% (68 parties)
Ambassadeurs : Krogius, Nikolai V (2x), Savova, Stefka (2x), Kustar, Sandor (2x), Bak, Istvan (1x), Al Husari, Zita Fatima (1x), Weiner, Milan (1x), Lengyel, Laszlo (1x), Donner, Jan-Hein (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8.e3 8.cxd5 8.Qb3 8.b3
<1800 8 62% 12% 12% 12%
1800-2200 140 46% 22% 13% 11%
2200-2600 202 37% 20% 24% 17%
2600+ 14 36% 7% 7% 50%
Évolution par décennie (% des parties)
Décennie N parties 8.e3 8.cxd5 8.Qb3 8.b3
1950s 9 33% 44% 22%
1960s 27 11% 30% 37% 22%
1970s 21 29% 29% 29% 14%
1980s 28 14% 32% 36% 18%
1990s 84 37% 24% 17% 17%
2000s 81 37% 20% 17% 19%
2010s 135 47% 19% 19% 13%
2020s 37 68% 8% 5% 16%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.e3 47% 68% ▲ +20.2%
8.cxd5 19% 8% ▼ -11.2%
8.Qb3 19% 5% ▼ -13.1%
8.b3 13% 16% ▲ +3.6%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 1 partie
Gukesh D — 1 partie
Parties historiques
8.e3 — 39.3% (166 parties)
1952 — Gonzalez, Juan Carlos vs Sajtar, Jaroslav — 1/2-1/2 — Helsinki olm
1952 — Moiseev, Oleg vs Furman, Semyon — 1-0 — Leningrad RUS
1952 — Keres, Paul Petrovich vs Benko, Pal — 1/2-1/2 — Budapest HUN
1962 — Lengyel, Levente vs Paoli, Enrico — 1-0 — Kecskemet HUN
1965 — Sloth, Jorn vs Anoshin, Gennadi N — 1/2-1/2 — Sinaia
8.cxd5 — 20.9% (88 parties)
1961 — Udovcic, Mijo vs Stupica, Janez — 1/2-1/2 — Zagreb CRO
1963 — Gipslis, Aivars vs Bukhover, Alik — 1/2-1/2 — Kiev UKR
1963 — Bak, Istvan vs Filip, Miroslav — 1-0 — Miskolc
1964 — Malich, Burkhard, Dr. vs Czerniak, Moshe — 1-0 — Pecs
1964 — Flesch, János vs Kramer, Haije — 1/2-1/2 — Beverwijk NED
8.Qb3 — 20.1% (85 parties)
1953 — Golombek, Harry vs O'Kelly, Albéric de Galway — 0-1 — Bucharest ROU
1954 — Olafsson, Fridrik vs Sajtar, Jaroslav — 1/2-1/2 — Praag zt
1955 — Szabo, Laszlo vs Toran Albero, Roman — 1/2-1/2 — Mar del Plata ARG
1957 — Garcia Orus, Francisco vs Moran, Pablo — 1/2-1/2 — Zaragoza
1962 — Stein, Leonid vs Krogius, Nikolai V — 1-0 — Erevan ch-URS
8.b3 — 16.1% (68 parties)
1954 — Al Husari, Zita Fatima vs Weiner, Milan — 0-1 — Prague CZE
1955 — Smyslov, Vladimir vs Geller, Efim P. — 1/2-1/2 — Moscow RUS
1962 — Stein, Leonid vs Benko, Pal — 1/2-1/2 — Stockholm izt plof
1963 — Bak, Istvan vs Krogius, Nikolai V — 1/2-1/2 — Budapest HUN
1965 — Filip, Miroslav vs Uhlmann, Wolfgang — 1/2-1/2 — Marianske Lazne

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