D96j — Gruenfeld: Russian, 7.Bf4

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.Bf4 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité centre (2v1), case forte d4, case forte b5, case forte c5, case forte e5, case forte g5, Bf4 actif, paire de fous, colonne c.
Faiblesses adverses : Bg7 enfermé, Bc8 enfermé.
Problèmes : roi au centre, Bf1 enfermé, 3 pièces non développées (F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, menace e5, libère Bf1
● h3 — Empêcher ...Bg4
● Rc — Tour sur colonne c

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité aile_dame (3v2), case forte g4, case forte f5, avant-poste f5(F), paire de fous, colonne d.
Faiblesses adverses : Bf1 enfermé, roi blanc au centre.
Problèmes : Bg7 enfermé, Bc8 enfermé, 3 pièces non développées (B8, C8, A8).
Plans :
● ...Nbd7 — Développer Nb8
● ...Bg4 — Développer Bc8, clouer Nf3
● ...c6 — Rupture
● ...c5 — Rupture
● ...e6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D96j — Russian

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.Bf4

Eval: [+0.08]

Les coups candidats

7…c6 — 52.6% (354 parties) →

Ambassadeurs : Flear, Glenn C (18x), Hecht, Hans-Joachim (5x), Lazarev, Vladimir (4x), Pokorny, Petr (4x), Stanisz, Patryk (4x), Santasiere, Anthony (3x), Christensen, Alfred (3x), Mohr, Stefan (3x)

7…Na6 — 37.7% (254 parties)

Ambassadeurs : Flear, Glenn C (11x), Yakovich, Yuri (4x), Stajcic, Nikola M (3x), Sanikidze, Tornike (3x), Howell, David W L (3x), Pedersen, Jens Otto (2x), Ilincic, Zlatko (2x), Bagonyai, Attila (2x)

7…Be6 — 4.2% (28 parties)

Ambassadeurs : Van den Bosch, Johannes (2x), Saemisch, Friedrich (2x), Lagarde, Maxime (2x), Sitnik, Igor (1x), Gomboc, Miha (1x), Al-Khateeb, Ahmed (1x), Elsness, Fredrik Valstad (1x), Rakitskaja, Mariya (1x)

7…Nc6 — 2.1% (14 parties)

Ambassadeurs : Byrne, David (1x), Pavey, Max (1x), Marinelli, Tullio (1x), Stone, Raymond (1x), Yakovich, Yuliya (1x), Notkin, Maksim (1x), Wee, Zhen Yang (1x), Koh Chai Wah (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…c6	7…Na6	7…Be6	7…Nc6
<1800	14	71%	21%	—	—
1800-2200	186	54%	36%	5%	2%
2200-2600	316	45%	44%	4%	3%
2600+	18	33%	50%	11%	—

Évolution par décennie (% des parties)

Décennie	N parties	7…c6	7…Na6	7…Be6	7…Nc6
1930s	11	82%	—	18%	—
1940s	18	100%	—	—	—
1950s	14	57%	29%	—	7%
1960s	10	80%	20%	—	—
1970s	6	50%	50%	—	—
1980s	32	53%	41%	—	—
1990s	147	54%	42%	1%	1%
2000s	200	50%	42%	3%	2%
2010s	195	51%	38%	5%	2%
2020s	40	28%	28%	22%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…c6	51%	28%	▼ -23.8%
7…Na6	38%	28%	▼ -11.0%
7…Be6	5%	22%	▲ +17.9%
7…Nc6	2%	5%	▲ +2.9%

Joueurs célèbres

Champions du monde dans cette position

Fischer, Robert James — 1 partie
Kasparov, Garry — 1 partie

Parties historiques

7…c6 — 52.6% (354 parties)

1936 — Spielmann, Rudolf vs Van den Bosch, Johannes — 1-0 — Amsterdam NED
1936 — Saemisch, Friedrich vs Szabo, Laszlo — 0-1 — Munich GER
1937 — Shainswit, George vs Santasiere, Anthony — 0-1 — New York ch
1937 — Budo, Alexander S vs Makogonov, Vladimir — 1-0 — Tbilisi ch-URS
1937 — Schreiber, Eitan vs Szabo, Laszlo — 1/2-1/2 — Budapest Sipotz mem

7…Na6 — 37.7% (254 parties)

1953 — Bouwmeester, Hans vs Van Scheltinga, Theo — 0-1 — Competitie
1954 — Panagopoulos, Takis vs Agustsson, Gudmundur — 1/2-1/2 — Amsterdam NED
1954 — Kirchhammer, Rudolf vs Groschupff, Hans Joachim — 1/2-1/2 — Meerane
1955 — Steven, George A vs Martin, Raymond — 1-0 — So California
1964 — Pulieri, Paolo vs Rugiadini, Andrea — 0-1 — corr Italy

7…Be6 — 4.2% (28 parties)

1936 — Van den Bosch, Johannes vs Saemisch, Friedrich — 1/2-1/2 — Amsterdam NED
1936 — Saemisch, Friedrich vs Van den Bosch, Johannes — 1/2-1/2 — Amsterdam cc
1996 — Al-Khateeb, Ahmed vs Elsness, Fredrik Valstad — 1/2-1/2 — Erevan ARM
1998 — Sitnik, Igor vs Gomboc, Miha — 1/2-1/2 — SLO-chT Bled SLO
2002 — Rakitskaja, Mariya vs Ayupov, Damir — 1/2-1/2 — St Petersburg RUS

7…Nc6 — 2.1% (14 parties)

1953 — Byrne, David vs Pavey, Max — 1-0 — Milwaukee, WI USA
1994 — Marinelli, Tullio vs Stone, Raymond — 1-0 — Makarska
1997 — Yakovich, Yuliya vs Notkin, Maksim — 1-0 — Elista ch-RUS
2002 — Wee, Zhen Yang vs Koh Chai Wah — 1-0 — Singapore SIN
2002 — Wojtaszek, Radoslaw vs Owczarzak, Jerzy — 1-0 — Laczna POL

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● f7→g6, h7→g6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v1), ● b5 (2v0), ● c5 (2v0), ● e5 (3v0), ● g5 (2v0)	● g4 (2v0), ● f5 (2v0)
Cases faibles	—	● d5, ● c7
Centre	● d4 (2v1), ● e5 (3v0)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 0)
Bf4	● Bf4 Actif (mob. 9)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn f7
Non développées	3 (f1, a1, h1)	3 (b8, c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Roqué
Droits de roque	O-O / O-O-O	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …e7-e6, ● …e7-e5

Partie
1936 Muenchen ol – Round 10 – Saemisch, Friedrich – 0-1 – Szabo, Laszlo – G24 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e3 Qb6 9. Qb3 Be6 10. Qc2 c5
1937 Tbilisi ch-URS – Round 1 – Budo, Alexander S – 1-0 – Makogonov, Vladimir – G80 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e4 Be6 9. Qd3 Ne8 10. Be2 Nd6
1938 Hastings3839 – Round 2 – Klein Hansen, Emil – 0-1 – Szabo, Ladislav – G7 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. Qb3 Qb6 9. e3 Be6 10. Qa3 a5
1938 I Torneo Magistrale Edoardo Balbontin – Round 4 – Sacconi, Antonio – 1-0 – Nestler, Vincenzo – G3 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e3 Be6 9. Qd3 Qa5 10. Be2 Na6
1939 Buenos Aires ol f-A – Round 13 – Flores Alvarez, Rodrigo – 1/2-1/2 – Petrov, Vladimir (ENG) – G253 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e4 Be6 9. Qd3 Nh5 10. Be3 Qc7
1939 Ventnor City – Round 8 – Burdge, Harold – 1/2-1/2 – Santasiere, Anthony – G15 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e3 Be6 9. Qd3 Qa5 10. Be2 Nd5
1943 Mar del Plata – Round 7 – Guimard, Carlos E – 1/2-1/2 – Stahlberg, Gideon – G52 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e4 b5 9. Qb3 Qa5 10. Bd3 Be6
1945 Novi Sad – Round 14 – Vidmar, Milan Jr – 1/2-1/2 – Popovic, Vojislav – G142 1. c4 Nf6 2. Nc3 g6 3. d4 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. g3 Qb6 9. Bg2 Qxb2 10. O-O Qb6
1946 Buenos Aires ch-ARG – Round 14 – Falcon, Enrique – 0-1 – Bolbochan, J. – G64 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. Qb3 dxc4 7. Qxc4 c6 8. e4 b5 9. Qd3 Qa5 10. Nd2 Be6
1946 ENG-URS radio – Round 2 – Wood, Beau – 1/2-1/2 – Lilienthal, Andor – G15 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e4 b5 9. Qd3 Qa5 10. Be2 b4
1947 Aalborg – Round 1 – Nielsen, Julius – 1/2-1/2 – Christensen, Alfred – G3 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. Qb3 dxc4 7. Qxc4 c6 8. e4 b5 9. Qb3 a5 10. Bd3 a4
1947 Aalborg – Round 8 – Wood, Baruch – 1-0 – Christensen, Alfred – G27 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e4 b5 9. Qb3 a5 10. Qc2 Na6
1948 US Open – Round 2 – Simpson, Rainen Yi-Fan – 0-1 – Santasiere, Anthony – G7 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e4 b5 9. Qd3 Qa5 10. Nd2 Be6
1949 Heidelberg – Round 3 – Wade, Robert G – 0-1 – Niephaus, Walter – G11 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e3 Nbd7 9. Be2 Nb6 10. Qc5 Be6
1951 Vancouver – Round 1 – Brown Taylor, Pablo – 0-1 – Vaitonis, Povilas – G9 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e3 Qa5 9. Bd3 Nbd7 10. O-O c5
1958 Munchen olm – Round 1 – Romani, Elio – 1-0 – Campomanes, Florencio – G11 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. g3 Nbd7 9. Bg2 Nb6 10. Qd3 Bf5
1958 Munich olm fin-C – Round 9 – Romani, Elio – 1-0 – Campomanes, Florencio – G7 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. g3 Nbd7 9. Bg2 Nb6 10. Qd3 Bf5
1961 Mar del Plata – Round 4 – Letelier Martner, Rene – 1/2-1/2 – Byrne, Ray – G41 1. c4 Nf6 2. Nc3 g6 3. d4 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e4 b5 9. Qd3 Qa5 10. Nd2 Nh5
1961 Santa Fe – Round 4 – Letelier Martner, Rene – 0-1 – Filip, Marius Liviu – G18 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e4 b5 9. Qb3 Qa5 10. Bd3 Be6
1963 New York ch-USA – Round 7 – Bisguier, Arthur B – 0-1 – Benko, Pal – G30 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e4 b5 9. Qd3 Qa5 10. Be2 b4
1963 Pan American Ch – Round 2 – Calero Nino, Camilo – 1-0 – Foguelman, Alberto – G7 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e3 Be6 9. Qb4 Qb6 10. Qxb6 axb6
1966 Buenos Aires ch-ARG – Round 9 – Behrensen, Jorge – 0-1 – Bronstein, Luis Marcos – G26 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. Qb3 dxc4 7. Qxc4 c6 8. e4 b5 9. Qb3 Qa5 10. e5 Be6
1969 It – Round 12 – Saemisch, Friedrich – 0-1 – Gligoric, Svetozar – G11 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e3 Be6 9. Qa4 Qb6 10. Qc2 c5
Interpolis 1989 – Round 5 – Piket, Jeroen – 0-1 – Korchnoi, Viktor – G19 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e4 b5 9. Qb3 Qa5 10. Bd3 Bg4
SportAccord Rapid Men 2012 – Round 5.5 – Radjabov, Teimour – 0-1 – Morozevich, Alexander – G35 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e4 Qa5 9. b4 Qd8 10. Be2 b5
World Rapid Final 2012 – Round 11 – Morozevich, Alexander – 1-0 – Kurnosov, Igor – G83 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. Bf4 c6 8. e4 b5 9. Qd3 Ba6 10. Qc2 Qa5

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