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 ● f4 (2v0), ● e5 (2v0), ● g5 (2v0) ● e4 (2v0), ● g4 (2v0), ● f5 (2v0)
Cases faibles
Centre ● d4 (2v0), ● e5 (2v0) ● d5 (3v1), ● e4 (2v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 5)
Bg2 ● Bg2 Ok (mob. 2)
Bg7 ● Bg7 Ok (mob. 2)
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

D78b — Neo-Gruenfeld, 6.O-O c6 7.Na3

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.Na3 *   ● Trait aux Noirs

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
bN
bP
bP
Case forte (2v0)
Case forte (2v0)
wP
wPPion central
Case forte (2v0)
wN
wN
wP
wP
wP
wP
wP
wB
wP
wR
wBFou actif — mobilité 5
wQ
wR
wK
abcdefgh
Plans. Bf4 (Fou actif (mobilité 9), Développer c1 — 41 % des parties) ; b3 (Préparer le fianchetto — 27 % des parties) ; cxd5 (Capture en d5, Occuper le centre — 9 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wB
wR
wP
wB
wP
wP
wP
wP
wP
wN
wN
Case forte (2v0)
Case forte (2v0)
wP
wP
Case forte (2v0)
bP
bP
bN
bP
bP
bB
bP
bP
bP
bP
bK
bR
bQ
bBFou actif — mobilité 5
bN
bR
hgfedcba
Plans. ...Bf5 (Fou actif (mobilité 9), Développer c8 — 23 % des parties) ; ...b6 (Préparer le fianchetto — 14 % des parties) ; ...Ne4 (Cavalier centralisé en e4 — 14 % des parties) ; ...dxc4 (Capture en c4, Frapper le centre adverse — 9 % des parties) ; ...Qb6 (Contrôle diagonale b6-g1 — 9 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1955 Gothenburg Interzonal – Round 15 – Panno, Oscar – 1/2-1/2 – Ilivitsky, Georgy A – G138
1. d4 Nf6 2. c4 g6 3. g3 c6 4. Nf3 d5 5. Bg2 Bg7 6. O-O O-O 7. Na3 b6 8. Bf4 Bb7 9. Rc1 e6 10. Qb3 Ne4
1955 Moskou ch-URS – Round 13 – Smyslov, Vladimir – 1/2-1/2 – Averbakh, Yuri L – G138
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 c6 7. Na3 e6 8. Bf4 b6 9. Qc1 Bb7 10. Bh6 Nbd7
1960 Leipzig olm prel – Round 3 – Botvinnik, Mikhail – 1/2-1/2 – Donner, Jan-Hein – G110
1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. c4 c6 6. Na3 O-O 7. O-O Ne4 8. Bf4 Qb6 9. Qc1 Be6 10. Rd1 Na6
1960 Leipzig olm prel – Round 9 – Johannessen, Svein – 1-0 – Wotulo, Max – G312
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c4 c6 7. Na3 Nbd7 8. cxd5 cxd5 9. Bf4 Qb6 10. Qd3 a6
1962 Leningrad – Round 6.8 – Kushnir, Alla – 1-0 – Mosionzhik, Bronia – G44
1. g3 d5 2. Bg2 Nf6 3. Nf3 g6 4. O-O Bg7 5. c4 c6 6. Na3 O-O 7. d4 Re8 8. Bf4 Nbd7 9. Rc1 dxc4 10. Nxc4 Nd5
1962 Varna ol (Men) qual-A – Round 6 – Spassky, Boris V. – 1-0 – Hoen, Ragnar Harald – G6
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. c4 d5 7. Na3 Nbd7 8. cxd5 cxd5 9. Bf4 Nh5 10. Bg5 Nb8
1962 Varna olm – Round 6 – Spassky, Boris Vasily – 1-0 – Hoen, Ragnar Harald – G260
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. c4 d5 7. Na3 Nbd7 8. cxd5 cxd5 9. Bf4 Nh5 10. Bg5 Nb8
1963 POL Ch 20th – Round 14 – Doda, Zbigniew – 1/2-1/2 – Drozd, Ryszard – G89
1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. d4 O-O 5. Bg2 c6 6. O-O d5 7. Na3 b6 8. Bf4 Nbd7 9. Rc1 Bb7 10. Ne5 Nxe5
1963 URS Team Ch – Round 1 – Spassky, Boris V. – 1/2-1/2 – Krogius, Nikolai V – G10
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c4 c6 7. Na3 Ne4 8. Bf4 Qb6 9. Qb3 Qxb3 10. axb3 Na6
1964 ARG Ch – Round 1 – Najdorf, Miguel – 1-0 – Dubin, Jorge – G2
1. c4 Nf6 2. Nf3 g6 3. d4 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. Na3 Na6 8. b3 Bf5 9. Bb2 Qa5 10. Qc1 Rac8
1964 Buenos Aires ch-ARG – Round 11 – Eliskases, Erich – 1/2-1/2 – Wexler, Bernardo – G9
1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. d4 d5 7. Na3 dxc4 8. Nxc4 Be6 9. Nce5 Bd5 10. Be3 Nbd7
1964 Pecs – Round 7 – Flesch, János – 1/2-1/2 – Dely, Peter – G45
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 c6 7. Na3 Bf5 8. b3 Qc8 9. Re1 Bh3 10. Bh1 Rd8
1969 Rubinstein Memorial – Round 2 – Szilagyi, Gabor – 0-1 – Schmidt, Waldemar – G7
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. d4 d5 7. Na3 Qb6 8. b3 Ne4 9. Bb2 Be6 10. Rc1 Na6
World Rapid 2019 – Round 4.64 – Bosiocic, Marin – 1-0 – Tengis, Tsog-Ochir – G278
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. Na3 c6 7. c4 Bf5 8. Qb3 Qb6 9. Rd1 Qxb3 10. axb3 Nbd7

D78b —
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.Na3
Les coups candidats
7…Bf5 — 40.8% (62 parties)
Ambassadeurs : Nikolic, Predrag (4x), Malich, Burkhard, Dr. (3x), Flesch, János (2x), Alterman, Boris (2x), Nogueiras Santiago, Jesus (2x), Farago, Sandor (2x), Hickl, Joerg (2x), Boysan, M (1x)
7…Nbd7 — 14.5% (22 parties)
Ambassadeurs : Johannessen, Svein (1x), Wotulo, Max (1x), Spassky, Boris Vasily (1x), Hoen, Ragnar Harald (1x), Sorri, Kari Juhani (1x), Erozbek, Akdogan (1x), Kristiansen, Elias V. (1x), Schmidt, Waldemar (1x)
7…Qb6 — 7.9% (12 parties)
Ambassadeurs : Nikolic, Predrag (2x), Nevednichy, Boris M (1x), Baar, Reinhard, Dr. (1x), Szilagyi, Gyorgy Laszlo (1x), Schmidt, Wlodzimierz (1x), Popovic, Petar (1x), Matlak, Marcin (1x), Schmidt, Waldemar (1x)
7…Ne4 — 7.2% (11 parties)
Ambassadeurs : Botvinnik, Mikhail (1x), Donner, Jan-Hein (1x), Sapre, Ramchandra (1x), De Lange, Daan (1x), Spassky, Boris Vasily (1x), Krogius, Nikolai V (1x), Fyllingen, Roy Harald (1x), Orseth, Dag (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7…Bf5 7…Nbd7 7…Qb6 7…Ne4
<1800 4 50%
1800-2200 42 31% 14% 5% 7%
2200-2600 77 48% 13% 12% 6%
2600+ 1 100%
Évolution par décennie (% des parties)
Décennie N parties 7…Bf5 7…Nbd7 7…Qb6 7…Ne4
1950s 3
1960s 16 19% 12% 12% 19%
1970s 8 50% 38%
1980s 8 62% 12%
1990s 34 53% 12% 6% 3%
2000s 19 21% 32% 5% 11%
2010s 51 45% 10% 4% 10%
2020s 13 38% 8% 38%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7…Bf5 45% 38% ▼ -6.6%
7…Nbd7 10% 8% ▼ -2.1%
7…Qb6 4% 38% ▲ +34.5%
7…Ne4 10% 0% ▼ -9.8%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Parties historiques
7…Bf5 — 40.8% (62 parties)
1964 — Flesch, János vs Dely, Peter — 1/2-1/2 — Pecs
1968 — Boysan, M vs Engel, Harald — 0-1 — cr
1969 — Beliavsky, Alexander G vs Lainburg, Viktor — 1/2-1/2 — ?
1971 — Doda, Zbigniew vs Flesch, János — 1/2-1/2 — Novy Smokovec SVK
1972 — Baumbach, Friedrich, Dr. vs Malich, Burkhard, Dr. — 1/2-1/2 — Goerlitz
7…Nbd7 — 14.5% (22 parties)
1960 — Johannessen, Svein vs Wotulo, Max — 1-0 — Leipzig GER
1962 — Spassky, Boris Vasily vs Hoen, Ragnar Harald — 1-0 — Varna BUL
1972 — Sorri, Kari Juhani vs Erozbek, Akdogan — 1-0 — Skopje ol (Men) fin-C
1972 — Kristiansen, Elias V. vs Schmidt, Waldemar — 1/2-1/2 — Skopje olm
1972 — Daglas, Gerasimos vs Georgiou, Iraklis — 0-1 — Athens GRE
7…Qb6 — 7.9% (12 parties)
1967 — Nevednichy, Boris M vs Baar, Reinhard, Dr. — 1-0 — Soviet Union
1969 — Szilagyi, Gyorgy Laszlo vs Schmidt, Wlodzimierz — 0-1 — Polanica Zdroj POL
1991 — Nikolic, Predrag vs Popovic, Petar — 1/2-1/2 — Pula CRO
1992 — Matlak, Marcin vs Schmidt, Waldemar — 1/2-1/2 — Czestochowa
2001 — Hallengren, Boris vs Neven, Knut — 0-1 — IECG
7…Ne4 — 7.2% (11 parties)
1960 — Botvinnik, Mikhail vs Donner, Jan-Hein — 1/2-1/2 — Leipzig olm
1960 — Sapre, Ramchandra vs De Lange, Daan — 0-1 — Leipzig GER
1963 — Spassky, Boris Vasily vs Krogius, Nikolai V — 1/2-1/2 — Moscow RUS
1999 — Fyllingen, Roy Harald vs Orseth, Dag — 1-0 — ?
2001 — Giry, Jean-marc vs Bourguet, Georges — 1/2-1/2 — France

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