D78f — Neo-Gruenfeld, 6.O-O c6 7.Nc3 dxc4

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.Nc3 dxc4 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte f4….

Atouts. Les Blancs s'appuient sur une majorité de pions à l'centre (2 contre 1), les cases fortes f4, e5 et g5, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Les fous enfermés en g7 et c8.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte d5.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (4 contre 2), les cases fortes g4, d5 et f5, un avant-poste en d5, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Les fous enfermés en c1 et g2.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour a8).

Plans. ...Nbd7 (Développer Nb8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...c5 (Rupture) ; ...e6 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● c4, ● c6
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b7→c6, f7→g6, h7→g6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 4v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v0), ● g5 (2v0)	● g4 (2v0), ● d5 (3v1), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● e5 (2v0)	● d5 (3v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (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	semi-ouvert
Ruptures	● d4-d5, ● e2-e3	● …c6-c5, ● …e7-e6, ● …e7-e5

Partie
1929 World Championship 14th – Round 7 – Alekhine, Alexander – 1-0 – Bogoljubow, Efim – G7 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O O-O 7. Nc3 dxc4 8. Ne5 Be6 9. e4 Nbd7 10. f4 Qb6
1935 Warsaw olm – Round 11 – Reilly, Brian – 0-1 – Alekhine, Alexander – G39 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d5 6. Nc3 dxc4 7. O-O c6 8. Ne5 Be6 9. e4 Nfd7 10. Nxd7 Qxd7
1943 Mar del Plata – Round 9 – Iliesco, Juan – 1-0 – Fenoglio, Virgilio – G67 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 c6 7. Nc3 dxc4 8. Qc2 Nd5 9. Rd1 Na6 10. e4 Ndb4
1945 Novi Sad – Round 15 – Popovic, Zarko – 1/2-1/2 – Gligorić, Svetozar – G148 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. g3 dxc4 6. Bg2 O-O 7. O-O c6 8. a4 Na6 9. e3 Nd7 10. Qe2 e5
1946 Londen II – Round 8 – Denker, Arnold S – 1/2-1/2 – Lupi, Francisco – G18 1. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 c6 5. Nf3 Bg7 6. O-O O-O 7. Nc3 dxc4 8. Ne5 Ng4 9. Nxg4 Bxg4 10. d5 cxd5
1946 POL Ch – Round 1 – Pytlakowski, Andrzej – 0-1 – Tarnowski, Alfred – G2 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. Nc3 O-O 7. O-O dxc4 8. Ne5 Ng4 9. f4 Nh6 10. e3 Be6
1946 Tbilisi – Round 15 – Petrosian, Tigran V – 1/2-1/2 – Keres, Paul Petrovich – G10 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. g3 Bg7 5. Bg2 dxc4 6. Nf3 O-O 7. O-O c6 8. Ne5 Be6 9. e4 Na6 10. Be3 Ne8
1948 Saltsjobaden Interzonal – Round 19 – Ragozin, Viacheslav – 1/2-1/2 – Boleslavsky, Isaac – G173 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 c6 7. Nc3 dxc4 8. Bf4 Nd5 9. Be5 f6 10. Bxb8 Rxb8
1949 Grossroehrsdorf – Round 3 – Kahn, Manfred – 0-1 – Grosser, Wilhelm – G2 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O O-O 7. Nc3 dxc4 8. Ne5 Be6 9. e4 Nbd7 10. f4 Nb6
1951 Marianske Lazne zt – Round 10 – Barda, Olaf – 1/2-1/2 – Sajtar, Jaroslav – G101 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O O-O 7. Nc3 dxc4 8. a4 a5 9. e4 Na6 10. Qe2 Be6
1952 Liberation – Round 1 – Udovcic, Tibor – 1/2-1/2 – O'Kelly de Galway, Alberic – G18 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O Nf6 5. d4 O-O 6. c4 c6 7. Nc3 dxc4 8. Ne5 Ng4 9. Nxg4 Bxg4 10. d5 cxd5
1953 GDR Ch – Round 3 – Elstner, Rudolf – 1-0 – Heinrich Karl – G9 1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 c6 5. O-O O-O 6. c4 d5 7. Nc3 dxc4 8. Ne5 Be6 9. e4 Qc8 10. Qe2 Rd8
1953 Mar del Plata – Round 1 – Burgalat, Francisco J – 0-1 – Cuellar Gacharna, Miguel – G20 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. Nc3 c6 6. Nf3 O-O 7. O-O dxc4 8. Qc2 Na6 9. Rd1 Nb4 10. Qb1 Nfd5
1956 URS Ch sf – Round ? – Zilber, Israel – 1-0 – Osnos, Viatcheslav – G14 1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. d4 d5 5. g3 O-O 6. Bg2 dxc4 7. O-O c6 8. a4 Na6 9. e3 Nb4 10. Ne5 Bf5
1957 WchT U26 04th – Round 4.2 – Palmason, Gudmundur – 0-1 – Ravn, Palle – G46 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O O-O 7. Nc3 dxc4 8. e4 Nfd7 9. Be3 b5 10. Qc1 Nb6
1960 AUS Ch – Round 8.3 – Koshnitsky, Gregory – 1-0 – Viner, Phillip – G37 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. d4 d5 7. Nc3 dxc4 8. e4 Nbd7 9. Qe2 Nb6 10. Rd1 h6
1961 Belgrade – Round 1 – Velimirovic, Dragoljub – 0-1 – Pavlenko, Oleg – G38 1. Nf3 d5 2. g3 Nf6 3. c4 c6 4. Bg2 g6 5. O-O Bg7 6. d4 O-O 7. Nc3 dxc4 8. a4 a5 9. h3 Nfd7 10. e4 e5
1964 US Open – Round ? – Lombardy, William J – 1-0 – Formanek, Edward – G12 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. c4 c6 5. d4 Nf6 6. O-O O-O 7. Nc3 dxc4 8. a4 Na6 9. a5 Nc7 10. h3 Be6
1965 Zagreb – Round 13 – Udovcic, Mijo – 0-1 – Filip, Marius Liviu – G131 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. Nf3 dxc4 6. O-O O-O 7. Nc3 c6 8. a4 a5 9. e4 Nfd7 10. Qe2 Nb6
1966 Yugoslavia – Round 1 – Nemet, Ivan – 0-1 – Milic, Borislav – G22 1. Nf3 d5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 c6 7. Nc3 dxc4 8. Ne5 Ng4 9. Nxg4 Bxg4 10. d5 cxd5
1968 Cardenas/Matanzas/Santa Clara – Round 2 – Rossetto, Hector – 1-0 – Ader Hausman, Walter – G11 1. d4 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 c6 7. Nc3 dxc4 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 Nfd7
SuperUnited Blitz 2022 – Round 7.2 – Carlsen, Magnus – 1-0 – Mamedyarov, Shakhriyar – G32 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 7. Nc3 dxc4 8. e4 b5 9. Qe2 Ba6 10. a3 Bb7
SuperUnited Blitz 2022 – Round 9.1 – Carlsen, Magnus – 1-0 – Saric, Ivan – G41 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. O-O dxc4 7. Nc3 O-O 8. e4 b5 9. Qe2 Na6 10. Rd1 Nb4
World Blitz 2022 – Round 18.38 – Tabatabaei Bafghi, Mohammad – 1-0 – Ghaem Maghami, Ehsan – G966 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O c6 6. c4 O-O 7. Nc3 dxc4 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 e5

D78f — Neo-Gruenfeld

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.Nc3 dxc4

Les coups candidats

8.Ne5 — 40.6% (713 parties)

Ambassadeurs : Mudrak, Josef (4x), Kverndal, Leif (3x), Goetzee, R. W.. (3x), Mizsei, Janos (3x), Alekhine, Alexander (2x), Krings, Christoph (2x), Husek, Zdenek (2x), Sachs, Gulnara (2x)

8.a4 — 28.6% (502 parties)

Ambassadeurs : Stupak, Kacper (5x), Matnadze Bujiashvili, Ann (5x), Eckhardt, Claudia (4x), Zhao, Yuanhe (4x), Mozny, Milos (3x), Rupp, Claus (2x), Heinatz, Gundula, Dr. (2x), Csulits, Anton (2x)

8.e4 — 21.0% (369 parties)

Ambassadeurs : Mudrak, Josef (4x), Beydullayeva, Govhar (4x), De Fotis, Gregory (3x), Bagaturov, Giorgi (3x), Leite, Denis Moreira (3x), Viner, Phillip (2x), Svoboda, Milos (2x), Runowiecki, Tadeusz (2x)

8.h3 — 3.0% (52 parties)

Ambassadeurs : Mudrak, Josef (4x), Romanishin, Oleg M (3x), Anand, Viswanathan (3x), Bekker-Jensen, David (2x), Taksrud, Vidar (2x), Alvarez del Monte, Jose (1x), Estrada Degrandi, Walter (1x), Herrmann, Ludwig (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Ne5	8.a4	8.e4	8.h3
<1800	69	42%	29%	16%	1%
1800-2200	803	49%	29%	14%	2%
2200-2600	579	29%	30%	30%	4%
2600+	22	9%	5%	73%	14%

Évolution par décennie (% des parties)

Décennie	N parties	8.Ne5	8.a4	8.e4	8.h3
1920s	2	50%	—	—	—
1930s	2	100%	—	—	—
1940s	11	64%	18%	—	—
1950s	14	29%	36%	7%	7%
1960s	28	43%	25%	29%	4%
1970s	23	43%	22%	26%	4%
1980s	46	39%	35%	20%	2%
1990s	246	44%	26%	16%	4%
2000s	398	50%	26%	14%	5%
2010s	711	40%	32%	18%	2%
2020s	274	24%	25%	45%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Ne5	40%	24%	▼ -16.0%
8.a4	32%	25%	▼ -7.7%
8.e4	18%	45%	▲ +27.2%
8.h3	2%	1%	▼ -1.5%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 3 parties
Carlsen, Magnus — 3 parties
Alekhine, Alexander — 2 parties
Ju, Wenjun — 1 partie

Parties historiques

8.Ne5 — 40.6% (713 parties)

1929 — Alekhine, Alexander vs Bogoljubow, Efim — 1-0 — Deutschland/Niederlande
1935 — Reilly, Brian vs Alekhine, Alexander — 0-1 — Warsaw POL
1938 — Vasiliev, Viktor A vs Mazel, Isaak Y — 0-1 — Leningrad RUS
1940 — Hartsfield, Edgar vs Fine, Reuben — 0-1 — Dallas, TX USA
1945 — Camarena Meza, Jackeline Edy vs Reshevsky, Samuel — 0-1 — Hollywood

8.a4 — 28.6% (502 parties)

1942 — Lundin, Erik vs Jonsson, Erik — 0-1 — Sverige
1945 — Popovic, Zarko vs Gligorić, Svetozar — 1/2-1/2 — Novi Sad SRB
1950 — Hromada, Vaclav vs Herink, Miroslav — 1/2-1/2 — Chocen
1951 — Barda, Olaf vs Sajtar, Jaroslav — 1/2-1/2 — Marianske Lazne zt
1953 — Hartung, Karl Heinz vs Reichenbach, Werner — 0-1 — Brandenburg/Havel

8.e4 — 21.0% (369 parties)

1957 — Palmason, Gudmundur vs Ravn, Palle — 0-1 — Reykjavik ISL
1960 — Koshnitsky, Gregory vs Viner, Phillip — 1-0 — Adelaide AUS
1963 — Milicevic, Dragoljub vs Nikolic, Branko — 1-0 — cr C-2000
1966 — Reshko, Aron vs Grushevsky, Alexander — 1/2-1/2 — Moscow RUS
1967 — Szekely, Sandor vs Vecsey, Dr. Zoltan — 0-1 — Hungary CCC-8

8.h3 — 3.0% (52 parties)

1950 — Herrmann, Ludwig vs Koch, Berthold — 0-1 — Soemmerda ch GDR
1968 — Alvarez del Monte, Jose vs Estrada Degrandi, Walter — 1/2-1/2 — Uruguay
1973 — Muniz Vicente, Juan Luis vs Nieto Miguez, Manuel — 1-0 — Teesside ENG
1987 — Prentos, Konstantinos vs Mastoras, Ilias — 1-0 — Leukos Pyrgos
1990 — Kopec, Danny vs Mendes Francisco — 1-0 — ?

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