D78j — Neo-Gruenfeld, 6.O-O c6 7.Qb3 dxc4

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.Qb3 dxc4 8.Qxc4 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur une majorité de pions à l'centre (2 contre 1), les cases fortes f4, c5, 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 cavalier b1, le fou c1 et la tour a1).

Plans. Nc3 (Développer Nb1) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4) ; Tour sur colonne c.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (3 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	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b7→c6, f7→g6, h7→g6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● c5 (2v0), ● e5 (2v0), ● g5 (2v0)	● g4 (2v0), ● d5 (3v1), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● e5 (2v0)	● d5 (3v1), ● e4 (1v0)

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
Clouages	—	● pawn f7
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	semi-ouvert
Ruptures	● d4-d5, ● e2-e3	● …c6-c5, ● …e7-e6, ● …e7-e5

Partie
1922 Vienna – Round ? – Koenig, Imre – 0-1 – Gruenfeld, Ernst – G100 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. Qb3 dxc4 8. Qxc4 Qb6 9. Nc3 Be6 10. Qd3 Na6
1923 Maehrisch Ostrau – Round 2 – Rubinstein, Akiba – 1/2-1/2 – Gruenfeld, Ernst – G9 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Nf3 Bg7 5. Bg2 d5 6. O-O O-O 7. Qb3 dxc4 8. Qxc4 Qb6 9. Nc3 Be6 10. Qd3 Na6
1939 Leningrad/Moscow – Round 10 – Konstantinopolsky, Alexander – 1-0 – Reshevsky, Samuel – G78 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. c4 O-O 6. O-O c6 7. Qb3 dxc4 8. Qxc4 Na6 9. Nc3 Be6 10. Qa4 h6
1939 USA Ch New York, NY USA – Round 1 – Fine, Reuben – 1-0 – Green, Matthew R – G2 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Qa4+ c6 5. Qxc4 g6 6. g3 Bg7 7. Bg2 O-O 8. O-O Nbd7 9. Qc2 Nb6 10. Nc3 Nbd5
1942 Chocen – Round ? – Kottnauer, Cenek – 1/2-1/2 – Sajtar, Jaroslav – G3 1. c4 Nf6 2. Nf3 g6 3. d4 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. Qb3 dxc4 8. Qxc4 Be6 9. Qc2 Bf5 10. Qb3 Qb6
1953 Opatija – Round 1 – Vidmar, Marjeta – 1-0 – Porreca, Alessio – G16 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d4 O-O 6. c4 c6 7. Qb3 dxc4 8. Qxc4 Be6 9. Qc2 a5 10. Nc3 Na6
1957 Bern – Round 1 – Roessel, Frits – 1-0 – Johner, Hans – G9 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. d4 d5 7. Qb3 dxc4 8. Qxc4 Nbd7 9. Qc2 Re8 10. Rd1 Qa5
1957 DDR Ch 08th – Round 15 – Mannsfeld, Peter – 1/2-1/2 – Handel, Horst – G99 1. Nf3 d5 2. d4 g6 3. g3 Bg7 4. Bg2 Nf6 5. O-O O-O 6. c4 c6 7. Qb3 dxc4 8. Qxc4 Nbd7 9. Qc2 Nb6 10. e4 h6
1957 Toronto wch-jr – Round 1 – Jongsma, Alexander – 1-0 – Rabinowitz, Bernard – G3 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. c4 c6 6. d4 O-O 7. Qb3 dxc4 8. Qxc4 Be6 9. Qc2 Bf5 10. Qb3 Qb6
1957 WchT U26 04th – Round 4.2 – Forintos, Gyozo V – 1-0 – Rannanjarvi – G45 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 O-O 5. O-O c6 6. d4 d5 7. Qb3 dxc4 8. Qxc4 Be6 9. Qb4 Nd5 10. Qxb7 Nb6
1959 Krakow – Round 3 – Forintos, Gyozo V – 1/2-1/2 – Book, Eero – G14 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d5 6. c4 c6 7. Qb3 dxc4 8. Qxc4 Be6 9. Qb4 Qb6 10. Qxe7 Na6
1964 CSR Ch – Round 7 – Lendl, Jiri – 1/2-1/2 – Zíta, František – G50 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. Nf3 O-O 6. O-O c6 7. Qb3 dxc4 8. Qxc4 Nbd7 9. Nc3 Nb6 10. Qb3 Be6
1965 It II Beverwijk NED – Round 6 – Flesch, Janos – 1/2-1/2 – Kramer, Haije – G17 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Qb3 Bg7 6. Nf3 O-O 7. O-O dxc4 8. Qxc4 Nbd7 9. Nc3 Nb6 10. Qd3 Be6
1965 Mar del Plata – Round 1 – Panno, Oscar – 1-0 – Acosta Garcia, Rafael Isaac – G13 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. d4 d5 7. Qb3 dxc4 8. Qxc4 Qd5 9. Qb4 Qd8 10. Nc3 Na6
1965 Sarajevo – Round 1 – Malich, Burkhard, Dr. – 1/2-1/2 – Osmanagic, Dusan – G6 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. O-O O-O 7. Qb3 dxc4 8. Qxc4 Qb6 9. Nc3 Be6 10. Qa4 Rd8
34. ECC Open 2018 – Round 5.3 – Huzman, Alexander – 1/2-1/2 – Sasikiran, Krishnan – G158 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. Qb3 dxc4 8. Qxc4 Bf5 9. Nc3 Nbd7 10. h3 Rc8
4. Sinquefield Cup 2016 – Round 8.5 – Giri, Anish – 0-1 – Svidler, Peter – G40 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Nf3 Bg7 5. Bg2 d5 6. Qb3 O-O 7. O-O dxc4 8. Qxc4 Bf5 9. Rd1 Nbd7 10. Nh4 Nb6
41. Olympiad Open 2014 – Round 9.2 – Navara, David – 1/2-1/2 – Vachier-Lagrave, Maxime – G637 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. Qb3 O-O 7. O-O dxc4 8. Qxc4 Bf5 9. Nc3 Nbd7 10. Qb3 Qb6
FIDE GP Beijing 2013 – Round 10.3 – Morozevich, Alexander – 1-0 – Mamedyarov, Shakhriyar – G51 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 c6 6. O-O d5 7. Qb3 dxc4 8. Qxc4 Qd5 9. Nbd2 Qxc4 10. Nxc4 Be6
FIDE World Cup 2015 – Round 1.2 – Svidler, Peter – 1/2-1/2 – Can, Ecrin Azra – G122 1. Nf3 d5 2. g3 g6 3. d4 Nf6 4. Bg2 Bg7 5. O-O O-O 6. c4 c6 7. Qb3 dxc4 8. Qxc4 Bf5 9. Nc3 Nbd7 10. Re1 Ne4
FIDE World Cup 2019 – Round 1.5 – Korobov, Anton – 1-0 – Gupta, Abhijeet – G176 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Qa4 dxc4 6. Qxc4 Bg7 7. Nf3 O-O 8. O-O Bf5 9. Nc3 Nbd7 10. Re1 Ne4
GCT Blitz Paris 2017 – Round 3.1 – Mamedyarov, Shakhriyar – 1/2-1/2 – Grischuk, Alexander – G11 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Qa4 dxc4 6. Qxc4 Bg7 7. Nf3 O-O 8. O-O Bf5 9. Nc3 Nbd7 10. Qb4 Nb6
Nakamura vs Aronian Blitz 2014 – Round 4 – Aronian, Levon – 0-1 – Nakamura, Hikaru – G1 1. Nf3 d5 2. g3 c6 3. c4 dxc4 4. Bg2 g6 5. Qc2 Bg7 6. Qxc4 Nf6 7. O-O O-O 8. d4 Nbd7 9. Nc3 Nb6 10. Qd3 Nfd5
Norway Chess 2025 – Round 2A – Nakamura Hikaru – 1-0 – Carlsen Magnus – G8 1. Nf3 d5 2. g3 g6 3. d4 Bg7 4. Bg2 Nf6 5. O-O O-O 6. c4 c6 7. Qb3 dxc4 8. Qxc4 Bf5 9. Nc3 Nbd7 10. Bf4 Nb6
Saint Louis USA, Nakamura-Aronian 2014 – Round 6 – Aronian, Levon – 1/2-1/2 – Nakamura, Hikaru – G5 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. c4 c6 6. Qb3 O-O 7. O-O dxc4 8. Qxc4 Nbd7 9. Nc3 Nb6 10. Qd3 Nfd5
Tata Steel India Blitz 2022 – Round 12.2 – Mamedyarov, Shakhriyar – 0-1 – So, Wesley – G54 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Qa4 dxc4 6. Qxc4 Bg7 7. Nf3 O-O 8. O-O Bf5 9. Nc3 Ne4 10. e3 Nd7
World Blitz 2019 – Round 20.9 – Mamedyarov, Shakhriyar – 1/2-1/2 – Svidler, Peter – G1392 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c4 c6 7. Qb3 dxc4 8. Qxc4 b5 9. Qb3 Be6 10. Qd1 Nbd7
World Blitz 2022 – Round 15.7 – Yu, Yangyi – 1-0 – Le, Tuan Minh – G826 1. c4 c6 2. Nf3 d5 3. g3 g6 4. Qa4 dxc4 5. Qxc4 Bg7 6. Bg2 Nf6 7. d4 O-O 8. O-O Bg4 9. h3 Bxf3 10. Bxf3 Nbd7
World Blitz 2023 – Round 14.7 – Mamedyarov, Shakhriyar – 0-1 – Svidler, Peter – G830 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Qa4 dxc4 6. Qxc4 Bg7 7. Nf3 O-O 8. O-O Bf5 9. Nc3 Nbd7 10. Re1 Ne4
World Rapid 2019 – Round 4.8 – Turov, Maxim – 0-1 – Dubov, Daniil – G287 1. d4 Nf6 2. Nf3 g6 3. g3 d5 4. Bg2 Bg7 5. O-O O-O 6. c4 c6 7. Qb3 dxc4 8. Qxc4 b5 9. Qc2 Bf5 10. Qd1 c5
World Rapid 2021 – Round 4.58 – Oparin, Grigoriy – 1/2-1/2 – Puranik, Abhimanyu – G243 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. O-O O-O 7. Qa4 dxc4 8. Qxc4 Bf5 9. Nc3 a5 10. Qb3 b5

D78j — Neo-Gruenfeld

1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.Qb3 dxc4 8.Qxc4

Eval: [+0.29]

Les coups candidats

8…Be6 — 31.0% (289 parties)

Ambassadeurs : Luong Phuong Hanh (3x), Tan, Zhongyi (3x), Forintos, Gyozo V (2x), Hollis, Adrian (2x), Dorfman, Iossif (2x), Hulak, Krunoslav (2x), Vescovi, Giovanni (2x), Timoscenko, Gennadij (2x)

8…Bf5 — 27.3% (254 parties)

Ambassadeurs : Gupta, Abhijeet (6x), Ruck, Robert (5x), Krasenkow, Michal (4x), Sutovsky, Emil (3x), Schreiner, Peter (3x), Mamedyarov, Shakhriyar (3x), Kochyev, Alexander (2x), Tukmakov, Vladimir B (2x)

8…Nbd7 — 18.9% (176 parties)

Ambassadeurs : Huang, Qian (3x), Szmetan, Jorge (2x), Ozturk Orenli, Kubra (2x), Graf, Roland (2x), Aronian, Levon (2x), Nakamura, Hikaru (2x), Afanasiev, Nikita (2x), Lugovskoy, Maxim (2x)

8…Na6 — 7.2% (67 parties)

Ambassadeurs : Loginov, Valery A (3x), Vokac, Marek (2x), Vadasz, Laszlo (2x), Chatalbashev, Boris (2x), Konstantinopolsky, Alexander (1x), Reshevsky, Samuel (1x), Schermeier Hartmut (1x), Peters, Ortwin (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…Be6	8…Bf5	8…Nbd7	8…Na6
<1800	13	38%	—	46%	8%
1800-2200	266	31%	15%	29%	6%
2200-2600	513	32%	32%	14%	8%
2600+	66	8%	77%	3%	—

Évolution par décennie (% des parties)

Décennie	N parties	8…Be6	8…Bf5	8…Nbd7	8…Na6
1920s	2	—	—	—	—
1930s	4	25%	—	50%	25%
1940s	2	50%	—	50%	—
1950s	8	50%	—	25%	—
1960s	9	22%	—	33%	—
1970s	10	50%	10%	10%	20%
1980s	24	38%	12%	21%	8%
1990s	107	31%	20%	23%	14%
2000s	180	35%	17%	21%	9%
2010s	439	29%	32%	18%	5%
2020s	146	31%	38%	15%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…Be6	29%	31%	▲ +2.1%
8…Bf5	32%	38%	▲ +6.0%
8…Nbd7	18%	15%	▼ -2.5%
8…Na6	5%	4%	▼ -1.4%

Joueurs célèbres

Champions du monde dans cette position

Gukesh D — 3 parties
Ju, Wenjun — 2 parties
Carlsen, Magnus — 1 partie

Parties historiques

8…Be6 — 31.0% (289 parties)

1939 — Menchik, Vera vs Golombek, Harry — 1/2-1/2 — Montevideo URU
1942 — Kottnauer, Cenek vs Sajtar, Jaroslav — 1/2-1/2 — Chocen
1953 — Vidmar, Marjeta vs Porreca, Alessio — 1-0 — Opatija
1957 — Forintos, Gyozo V vs Rannanjarvi — 1-0 — Reykjavik ISL
1957 — Jongsma, Alexander vs Rabinowitz, Bernard — 1-0 — Toronto wch-jr

8…Bf5 — 27.3% (254 parties)

1972 — Korchnoi, Viktor vs Timman, Jan H — 1/2-1/2 — Amsterdam NED
1980 — Kochyev, Alexander vs Henley, Ron — 1/2-1/2 — Mexico City MEX
1988 — Raicevic, Momcilo vs Moehring, Guenther — 1/2-1/2 — Tirnavia-C Trnava SVK
1988 — Romero Holmes, Alfonso vs Roeschlau, Bernd — 0-1 — Groningen open
1992 — Larsen, Kaj Elkjaer vs Gurevich, Ilya — 0-1 — National op

8…Nbd7 — 18.9% (176 parties)

1933 — Cood Schwartz, Carlos vs Dake, Arthur William — 1-0 — New York, NY USA
1939 — Fine, Reuben vs Green, Matthew R — 1-0 — USA-ch New York, NY USA
1943 — Sanz Aguado, Jose vs Rey Ardid, Ramon — 1-0 — Madrid m ch-ESP
1957 — Mannsfeld, Peter vs Handel, Horst — 1/2-1/2 — Soemmerda
1957 — Roessel, Frits vs Johner, Hans — 1-0 — Bern SUI

8…Na6 — 7.2% (67 parties)

1939 — Konstantinopolsky, Alexander vs Reshevsky, Samuel — 1-0 — Leningrad RUS
1971 — Kazilaris, Nikolaos vs Trikaliotis, Georgios — 0-1 — Athens GRE
1977 — Vadasz, Laszlo vs Kochyev, Alexander — 1-0 — Dortmund GER
1988 — Schermeier Hartmut vs Peters, Ortwin — 1-0 — GER
1989 — Ninov, Kiril vs Navrotescu, Catalin — 1-0 — Haifa etc

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