D06o — QGD: 2…Bf5 3.Nf3 e6 4.Qb3

1.d4 d5 2.c4 Bf5 3.Nf3 e6 4.Qb3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Bd2 (Fou actif (mobilité 8), Développer c1 — 28 % des parties) ; c5 (Frapper le centre adverse — 25 % des parties) ; Nc3 (Développer b1 — 16 % des parties) ; cxd5 (Capture en d5, Occuper le centre — 8 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...Nc6 (Développer b8 — 77 % des parties) ; ...b6 (20 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● e5 (2v0), ● g5 (2v1)	● e4 (2v0)
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (2v0)	● d5 (2v1), ● e4 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bf5		● Bf5 Actif (mob. 7)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	5 (● b1, ● c1, ● f1, ● a1, ● h1)	5 (● b8, ● g8, ● f8, ● a8, ● h8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	—	● …e6-e5

Partie
1935 Tatatovaros – Round 14 – Lovas, Gyula – 0-1 – Balogh, Janos – G16 1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nc6 5. Bd2 Qd7 6. e3 Nge7 7. Na3 g6 8. cxd5 exd5 9. Ne5 Qd6 10. Nb5 Qd8
1936 Argentina – Round 1 – Centeno Ferrer, Eduardo – 0-1 – Grau, Roberto G – G3 1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nc6 5. c5 Rb8 6. e3 Be7 7. Bb5 Bf6 8. Bxc6+ bxc6 9. Qa4 Ne7 10. Nc3 O-O
1938 Ch (Men) Argentina ARG – Round 12 – Palau, Luis – 1-0 – Abata Molina, Santiago Andres – G8 1. Nf3 d5 2. d4 Bf5 3. c4 e6 4. Qb3 Nc6 5. c5 Rb8 6. e3 Be7 7. Bb5 Bf6 8. Nc3 Ne7 9. h3 h6 10. Bd2 O-O
1938 Ch (Men) Argentina ARG – Round 2 – Palau, Luis – 0-1 – Puiggros, Guillermo – G1 1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nc6 5. c5 Rb8 6. Bf4 Be7 7. e3 Bf6 8. Nc3 Nge7 9. Nb5 Rc8 10. Qa4 a6
1938 Leningrad – Round 1 – Ragozin, Viacheslav – 0-1 – Shamaev, Leonid – G7 1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nc6 5. Bd2 Rb8 6. e3 a6 7. Be2 Nf6 8. O-O Bd6 9. Rd1 O-O 10. Be1 Ne4
1939 Buenos Aires ol f-A – Round 5 – Petrov, Vladimir (ENG) – 1-0 – Grau, Roberto G – G87 1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nc6 5. Bd2 Rb8 6. e3 a6 7. Bd3 Bxd3 8. Qxd3 Nb4 9. Bxb4 Bxb4+ 10. Nbd2 Nf6
1945 Novi Sad – Round 1 – Rabar, Braslav – 1/2-1/2 – Puc, Stojan – G8 1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nc6 5. Qxb7 Nb4 6. Na3 Rb8 7. Qxa7 Ra8 8. Qb7 Rb8 1/2-1/2
1946 Nottingham ch-BCF – Round 5 – Combe, Robert F – 1-0 – Wood, Beau – G41 1. Nf3 d5 2. d4 Bf5 3. c4 e6 4. Qb3 b6 5. cxd5 exd5 6. Nc3 Nf6 7. Ne5 c6 8. Bg5 Be7 9. e3 O-O 10. Be2 Nfd7
1948 Moskou ch-URS – Round 7 – Alatortsev, Vladimir N. – 1/2-1/2 – Kholmov, Ratmir D – G63 1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nc6 5. c5 Qc8 6. Bf4 Nf6 7. Qa4 Nd7 8. e3 a6 9. Nbd2 Be7 10. Rc1 O-O
1948 Moskou ch-URS – Round 9 – Ilivitsky, Georgy A – 1-0 – Kholmov, Ratmir D – G78 1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nc6 5. cxd5 Qxd5 6. Qxd5 exd5 7. a3 Nf6 8. Bf4 Bd6 9. Bg3 O-O 10. Nc3 Rfc8
1949 Moscow – Round 1 – Zagoriansky, Evgeny – 1-0 – Terpugov, Evgeny – G6 1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nc6 5. Bd2 Rb8 6. e3 Nf6 7. Be2 Be7 8. O-O O-O 9. Rd1 Ne4 10. Be1 Qd7
1950 Bled – Round 1 – Fuderer, Andrija – 0-1 – Kostic, Boris – G4 1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nc6 5. e3 Rb8 6. c5 f6 7. Nc3 Nge7 8. Bb5 a6 9. Bxc6+ bxc6 10. Qa4 Qc8
1950 Bled – Round 1 – O'Kelly, Albéric de Galway – 1/2-1/2 – Kostic, Boris – G3 1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nc6 5. c5 Qd7 6. e3 f6 7. Nc3 Rb8 8. Qa4 a6 9. b4 g5 10. Qb3 Nge7
1950 Sorrento ch ITA – Round 5 – Nestler, Vincenzo – 0-1 – Paoli, Enrico – G13 1. Nf3 d5 2. d4 Bf5 3. c4 e6 4. Qb3 Nc6 5. c5 Rb8 6. e3 a6 7. Nc3 Nf6 8. Qa4 Nd7 9. b4 Be7 10. a3 O-O
1951 Moskou ch-URS – Round 1 – Flohr, Salo – 1-0 – Terpugov, Evgeny – G117 1. Nf3 d5 2. d4 Bf5 3. c4 e6 4. Qb3 Nc6 5. c5 Rb8 6. Bf4 Nge7 7. e3 a6 8. Nc3 Ng6 9. Bg3 Be7 10. Qd1 Qd7
1954 CSR Ch sf – Round 1 – Marsalek, Josef – 0-1 – Opocensky, Karel – G1 1. d4 d5 2. c4 Bf5 3. Nf3 e6 4. Qb3 Nc6 5. Bd2 Rb8 6. e3 Nf6 7. Be2 Be7 8. O-O O-O 9. Na3 Ne4 10. Be1 a6
1954 World Championship 20th – Round 8 – Botvinnik, Mikhail – 1/2-1/2 – Smyslov, Vladimir – G8 1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nc6 5. Bd2 dxc4 6. Qxb7 Nge7 7. Qb5 Rb8 8. Qa4 Rxb2 9. Na3 Qd7 10. Nxc4 Rb8
1955 Corr – Round ? – Abramson, Moisei Dr – 1-0 – Grechkin, Dmitry M – G8 1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nc6 5. Bd2 Rb8 6. e3 Nf6 7. Bc3 Ne4 8. Nbd2 Be7 9. Nxe4 Bxe4 10. Nd2 Bg6
1957 Bratislava – Round 3 – Sandor, Bela – 1-0 – Opocensky, Karel – G9 1. Nf3 d5 2. d4 Bf5 3. c4 e6 4. Qb3 Nc6 5. Bd2 Rb8 6. e3 a6 7. Nc3 Nf6 8. cxd5 exd5 9. Ne5 Nxe5 10. dxe5 Ne4
1969 Luhacovice – Round 14 – Mista, Ladislav – 1/2-1/2 – Keres, Paul – G104 1. Nf3 d5 2. d4 Bf5 3. c4 e6 4. Qb3 Nc6 5. c5 Rb8 6. e3 Nge7 7. Nc3 g6 8. Nh4 Bg7 9. Nxf5 Nxf5 10. Bd3 O-O
Dortmund 1992 – Round 5 – Piket, Jeroen – 0-1 – Bareev, Evgeny – G28 1. Nf3 d5 2. d4 Bf5 3. c4 e6 4. Qb3 Nc6 5. c5 Rb8 6. Nc3 Be7 7. h3 Nf6 8. Bf4 a6 9. e3 Ne4 10. Be2 g5
Montreal 1979 – Round 13 – Portisch, Lajos – 1-0 – Larsen, Bent – G56 1. Nf3 d5 2. d4 Bf5 3. c4 e6 4. Qb3 Nc6 5. c5 Rb8 6. Bf4 h6 7. e3 g5 8. Bg3 Bg7 9. Nc3 a6 10. h4 g4
Moscow-4teams 1981 – Round 1 – Polugaevsky, Lev – 1/2-1/2 – Vaganian, Rafael A – G19 1. Nf3 d5 2. d4 Bf5 3. c4 e6 4. Qb3 Nc6 5. c5 Rb8 6. Bf4 Nge7 7. e3 a6 8. a3 Ng6 9. Bg3 Be7 10. Be2 O-O

D06o — QGD (1935)

1.d4 d5 2.c4 Bf5 3.Nf3 e6 4.Qb3

Les coups candidats

4…Nc6 — 76.7% (521 parties)

Ambassadeurs : Pyshkin, Aleksandr Sergeevich (9x), Schumacher, Horst (8x), Rausis, Igors (5x), Buturin, Vladimir (4x), Dearnley, Andrew (4x), Wojtkiewicz, Aleksander (4x), Kostic, Boris (3x), Dorfman, Iossif (3x)

4…b6 — 20.5% (139 parties)

Ambassadeurs : Kitzler, Gerhard (2x), Dernovsek, Karel (1x), Parak, Frantisek (1x), Nemec, Tadeus (1x), Tepper, Frantisek (1x), Burke, Paul (1x), Neufahrt, Gerhard (1x), ? (1x)

4…dxc4 — 1.2% (8 parties)

Ambassadeurs : Morihama, Nicolau (1x), Nowicki, Andrzej (1x), Steenkamp, Johan J. (1x), Pesa, Mofoka Alfred (1x), Trzaska, Peter (1x), Wiechen, Ulrich (1x), Jensen, Kristian Rohde (1x), Jones, Scott C. (1x)

4…Nf6 — 0.7% (5 parties)

Ambassadeurs : Moody, David W (1x), Jackson, James (1x), Phillips, Sean (1x), Sloan, M. (1x), Hammond, Grant P (1x), Rodgers, Douglas (1x), Mudra, Oldrich (1x), Casto, Brett (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…Nc6	4…b6	4…dxc4	4…Nf6
<1800	47	43%	45%	6%	4%
1800-2200	253	71%	26%	2%	0%
2200-2600	229	95%	5%	—	—
2600+	3	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	4…Nc6	4…b6	4…dxc4	4…Nf6
1950s	14	93%	7%	—	—
1960s	5	100%	—	—	—
1970s	12	92%	8%	—	—
1980s	52	94%	4%	—	2%
1990s	202	86%	12%	0%	0%
2000s	182	64%	34%	1%	1%
2010s	170	72%	24%	2%	1%
2020s	42	74%	19%	7%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…Nc6	72%	74%	▲ +2.0%
4…b6	24%	19%	▼ -4.5%
4…dxc4	2%	7%	▲ +5.4%
4…Nf6	1%	0%	▼ -1.2%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 1 partie

Parties historiques

4…Nc6 — 76.7% (521 parties)

1950 — Nestler, Vincenzo vs Paoli, Enrico — 0-1 — Sorrento ch ITA
1950 — O'Kelly, Albéric de Galway vs Kostic, Boris — 1/2-1/2 — Bled SLO
1950 — Alberic, O'Kelly de Galway vs Kostic, Boris — 1/2-1/2 — It, Bled SLO
1950 — Fuderer, Andrija vs Kostic, Boris — 0-1 — Bled SLO
1951 — Kotlerman, S vs Ali, Zak — 0-1 — ?

4…b6 — 20.5% (139 parties)

1959 — Dernovsek, Karel vs Parak, Frantisek — 1/2-1/2 — Trebic
1979 — Nemec, Tadeus vs Tepper, Frantisek — 1-0 — Bratislava SVK
1988 — ? vs Cray Blitz — 1/2-1/2 — Orlando USA
1989 — Burke, Paul vs Neufahrt, Gerhard — 1/2-1/2 — Vancouver BC CAN
1990 — Johansson, Per 1967 vs Abaya, Jun — 1-0 — Gausdal NOR

4…dxc4 — 1.2% (8 parties)

1997 — Morihama, Nicolau vs Nowicki, Andrzej — 1-0 — IECC email
2002 — Steenkamp, Johan J. vs Pesa, Mofoka Alfred — 1-0 — Centurion
2011 — Trzaska, Peter vs Wiechen, Ulrich — 1/2-1/2 — Herne
2012 — Petrushev, Nikita vs Yakovlev, Yuri S. — 1-0 — St Petersburg RUS
2014 — Jensen, Kristian Rohde vs Jones, Scott C. — 1-0 — ICCF

4…Nf6 — 0.7% (5 parties)

1985 — Moody, David W vs Jackson, James — 1-0 — Dearborn, Mich.
1994 — Phillips, Sean vs Sloan, M. — 1-0 — corr CompuServe
2000 — Hammond, Grant P vs Rodgers, Douglas — 1-0 — ?
2012 — Mudra, Oldrich vs Casto, Brett — 1-0 — LSS
2017 — Madrid, Antonio vs Sandocal, Uezmir — 1-0 — LSS

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