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 3 (● b1, ● 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

D78a — Neo-Gruenfeld, 6.O-O c6

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6   ○ 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
bN
bP
bP
Case forte (2v0)
Case forte (2v0)
wPpawn en prise !
wPPion central
Case forte (2v0)
wN
wP
wP
wP
wP
wP
wB
wP
wR
wN
wBFou actif — mobilité 5
wQ
wR
wK
abcdefgh
Plans. cxd5 (Capture en d5, Occuper le centre — 41 % des parties) ; Nbd2 (Développer b1 — 17 % des parties) ; b3 (Préparer le fianchetto — 14 % des parties) ; Nc3 (Développer b1 — 12 % des parties) ; Qb3 (Contrôle diagonale b3-g8 — 8 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wB
wN
wR
wP
wB
wP
wP
wP
wP
wP
wN
Case forte (2v0)
Case forte (2v0)
wP
wPpawn en prise !
Case forte (2v0)
bP
bP
bN
bP
bP
bB
bP
bP
bP
bP
bK
bR
bQ
bBFou actif — mobilité 5
bN
bR
hgfedcba
Plans. ...Ne4 (Cavalier centralisé en e4 — 12 % des parties) ; ...dxc4 (Capture en c4, Frapper le centre adverse — 11 % des parties) ; ...Bf5 (Fou actif (mobilité 9), Développer c8 — 10 % des parties) ; ...Nbd7 (Développer b8 — 10 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1936 Hastings3637 – Round 9 – Menchik, Vera – 1/2-1/2 – Feigin, M. – G43
1. Nf3 Nf6 2. c4 c6 3. g3 d5 4. Bg2 g6 5. O-O Bg7 6. d4 O-O 7. Bf4 dxc4 8. Qc1 Be6 9. Nbd2 Nd5 10. Bxb8 Rxb8
1951 Buenos Aires – Round 1 – Shocron, Ruben – 1-0 – Rebizzo, Cayetano – G17
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O c6 6. c4 O-O 7. Bf4 h6 8. Qc1 Kh7 9. Rd1 Be6 10. Nbd2 Nbd7
FIDE World Championship Match 2024 – Round 7 – Gukesh D – 1/2-1/2 – Ding Liren – G7
1. Nf3 d5 2. g3 g6 3. d4 Bg7 4. c4 c6 5. Bg2 Nf6 6. O-O O-O 7. Re1 dxc4 8. e4 Bg4 9. Nbd2 c5 10. d5 e6
FIDE World Cup 2019 – Round 1.1 – Cordova, Emilio – 0-1 – Dubov, Daniil – G6
1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c6 5. O-O d5 6. d4 O-O 7. a4 Bf5 8. Na3 Be4 9. b3 Na6 10. Bb2 Nb4
FIDE World Cup 2019 – Round 3.6 – Tomashevsky, Evgeny – 1-0 – Nepomniachtchi, Ian – G350
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. O-O O-O 7. a4 Na6 8. Na3 Bf5 9. Bf4 Be4 10. Qb3 Qb6
Levitov Chess Week Rapid 2023 – Round 18.4 – Mamedyarov, Shakhriyar – 1-0 – Svidler, Peter – G89
1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O O-O 7. a4 a5 8. cxd5 cxd5 9. Qb3 Nc6 10. Na3 Ne4
Levitov Chess Week Rapid 2023 – Round 9.1 – Mamedyarov, Shakhriyar – 1/2-1/2 – Dubov, Daniil – G41
1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 7. a4 a5 8. cxd5 cxd5 9. Qb3 Nc6 10. Na3 Ne4
World Blitz 2019 – Round 1.37 – Adly, Ahmed – 0-1 – Antipov Olano, Maxim – G30
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 c6 5. O-O O-O 6. d4 d5 7. a4 Be6 8. Na3 a5 9. Qb3 Na6 10. Ng5 dxc4
World Blitz 2019 – Round 18.16 – Mamedyarov, Shakhriyar – 1-0 – Paravyan, David – G1196
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. O-O O-O 7. a4 Be6 8. Ng5 Bf5 9. b3 c5 10. Bb2 cxd4
World Blitz 2019 – Round 4.23 – Adly, Ahmed – 1-0 – Aravindh, Chithambaram VR. – G247
1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 c6 7. a4 a5 8. Na3 Na6 9. cxd5 Nxd5 10. e4 Nb6
World Blitz 2022 – Round 5.11 – Mamedyarov, Shakhriyar – 1-0 – Ivic, Velimir – G235
1. d4 Nf6 2. c4 g6 3. g3 c6 4. Nf3 d5 5. Bg2 Bg7 6. O-O O-O 7. a4 a5 8. cxd5 cxd5 9. Qb3 Nc6 10. Bf4 Nh5
World Blitz 2022 – Round 6.3 – Martirosyan, Haik M. – 0-1 – Giri, Anish – G304
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. a4 a5 8. Bf4 Na6 9. cxd5 cxd5 10. Nc3 Bf5

D78a —
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6
Les coups candidats
Ambassadeurs : Yandemirov, Valeri (19x), Gutman, Lev (16x), Uhlmann, Wolfgang (15x), Abramovic, Bosko (14x), Kirov, Nino (12x), Sepp, Olav (11x), Csom, Istvan (9x), Ilivitsky, Georgy A (7x)
Ambassadeurs : Matnadze Bujiashvili, Ann (18x), Eckhardt, Claudia (13x), Piesik, Piotr (13x), Semmler, Guenter (7x), Stupak, Leonid K (6x), Koshnitsky, Gregory (3x), De Fotis, Gregory (3x), Heinatz, Gundula, Dr. (3x)
Ambassadeurs : Drasko, Milan (19x), Nikolic, Predrag (15x), Dizdar, Goran (11x), Ozen, Bahadir (9x), Ivkov, Borislav (7x), Ladva, Ottomar (6x), Marovic, Drazen (5x), Vavrak, Peter (5x)
Ambassadeurs : Loginov, Valery A (20x), Dreev, Aleksey (15x), Burmakin, Vladimir (14x), Turov, Maxim (12x), Movsziszian, Karen (10x), Goldin, Alexander (9x), Tregubov, Pavel V. (8x), Svane, Rasmus (8x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 7.cxd5 7.Nc3 7.b3 7.Qb3
<1800 827 32% 28% 16% 5%
1800-2200 6357 34% 24% 16% 9%
2200-2600 6300 39% 8% 16% 16%
2600+ 515 25% 3% 19% 25%
Évolution par décennie (% des parties)
Décennie N parties 7.cxd5 7.Nc3 7.b3 7.Qb3
1950s 157 42% 13% 13% 10%
1960s 262 34% 11% 18% 10%
1970s 355 43% 8% 15% 5%
1980s 517 52% 12% 7% 6%
1990s 2135 40% 18% 17% 9%
2000s 2837 43% 20% 12% 8%
2010s 5800 33% 17% 18% 15%
2020s 3297 30% 14% 17% 13%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
7.cxd5 33% 30% ▼ -2.8%
7.Nc3 17% 14% ▼ -3.3%
7.b3 18% 17% -0.3%
7.Qb3 15% 13% ▼ -2.5%
Joueurs célèbres
Champions du monde dans cette position
Ju, Wenjun — 10 parties
Ding, Liren — 10 parties
Gukesh D — 10 parties
Kramnik, Vladimir — 9 parties
Carlsen, Magnus — 8 parties
Karpov, Anatoly — 7 parties
Kasparov, Garry — 3 parties
Anand, Viswanathan — 3 parties
Botvinnik, Mikhail — 1 partie
Hou, Yifan — 1 partie
Parties historiques
7.cxd5 — 35.9% (5520 parties)
1950 — Kramer, Haije vs Stumpers, Louis — 1-0 — Amsterdam ch-NED
1950 — Beilin, Mikhail vs Soloviev, Aleksander — 1/2-1/2 — Moscow RUS
1950 — Vidmar, Milan Sr vs Helle, Soini — 1/2-1/2 — Dubrovnik olm
1950 — Book, Eero vs Nestler, Vincenzo — 1-0 — Dubrovnik olm
1950 — Cortlever, Nico vs Barendregt, Johan — 1-0 — NLD-ch Amsterdam NED
7.Nc3 — 16.5% (2532 parties)
1950 — Primavera, Giuseppe vs Paoli, Enrico — 1/2-1/2 — Venice ITA
1950 — Staldi, Cherubino vs Primavera, Giuseppe — 1/2-1/2 — Sorrento ch ITA
1950 — Leitner, Federico vs Hromada, Vaclav — 1/2-1/2 — Chocen
1951 — Barda, Olaf vs Sajtar, Jaroslav — 1/2-1/2 — Marianske Lazne zt
1952 — Udovcic, Mijo vs O'Kelly de Galway, Alberic — 1/2-1/2 — Belgrade SRB
7.b3 — 15.9% (2440 parties)
1950 — Pirc, Vasja vs Miguel, Nahuel — 1/2-1/2 — Amsterdam NED
1950 — LAR, Rai Joseph vs Cucka, Josef — 1/2-1/2 — Chocen
1951 — Malich, Burkhard, Dr. vs Kunze, Klaus — 0-1 — Leipzig GER
1952 — Redeleit, F. vs Van Kol J — 0-1 — cr.
1952 — Minev, Nikolay N vs Bobotsov, Milko G — 0-1 — Sofia BUL
7.Qb3 — 11.9% (1830 parties)
1950 — De Souza Mendes, Joao vs Cruz Filho, Oswaldo — 1-0 — Rio de Janeiro BRA
1953 — Vidmar, Milan Sr vs Porreca, Alessio — 1-0 — Opatija
1954 — Aditya Balu Jadhav vs Beni, Alfred — 0-1 — Amsterdam NED
1955 — Pachman, Ludek vs Szabo, Laszlo — 1/2-1/2 — Buenos Aires ARG
1955 — Byrne, David vs Geller, Efim P. — 0-1 — Moscow RUS