Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● f2→e3, e3→d4 ● e6→d5, f7→e6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● f4 (2v0), ● b5 (2v0), ● e5 (2v0) ● e4 (2v1)
Cases faibles
Centre ● d4 (3v0), ● e5 (2v0) ● d5 (3v2), ● e4 (2v1)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bf1 ● Bf1 Non développé (mob. 2)
Bg5 ● Bg5 Actif (mob. 4)
Be7 ● Be7 Actif (mob. 4)
Bc8 ● Bc8 Non développé (mob. 1)
Paire de fous ● Oui ● Oui
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 fermé
Ruptures ● e3-e4 ● …e6-e5

D55a — QGD: 6.Nf3

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3   ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bR
bK
bP
bP
bP
bB
bP
bP
bP
bP
bN
Case forte (2v0)
bP
Case forte (2v0)
wBMauvais fou (5/8 pions)
wP
wPPion central
Case forte (2v0)
wN
wPPion central
wN
wP
wP
wP
wP
wP
wR
wQ
wK
wB
wR
abcdefgh
Plans. Bh4 (33 % des parties) ; Rc1 (18 % des parties) ; cxd5 (Capture en d5, Occuper le centre — 11 % des parties) ; Bd3 (Fou actif (mobilité 8), Développer f1 — 10 % des parties) ; Qc2 (Prépare O-O-O — 10 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wB
wK
wQ
wR
wP
wP
wP
wP
wP
wN
wP
wN
Avant-poste C (accessible)
wP
wP
wBMauvais fou (5/8 pions)
bP
bN
bP
bP
bP
bP
bBFou actif — mobilité 4
bP
bP
bP
bK
bR
bQ
bB
bN
bR
hgfedcba
Plans. ...h6 (Poser la question au Bg5 — 43 % des parties) ; ...Nbd7 (Développer b8 — 32 % des parties) ; ...b6 (Préparer le fianchetto — 12 % des parties) ; ...c6 (Renforcer le centre — 7 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1906 DSB-15.Kongress – Round 3 – Cohn, Erich – 1/2-1/2 – Vidmar, Milan Sr – G11
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 O-O 6. e3 a6 7. cxd5 exd5 8. Bd3 Nbd7 9. O-O Re8 10. Qb3 c6
1906 It (Men) Nuerenberg GER – Round 17 – Marshall Viele, Fabrizio Aaron – 1/2-1/2 – Vidmar, Milan Sr – G24
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 dxc4 7. Bxc4 a6 8. O-O b5 9. Bd3 Bb7 10. Qe2 Nbd7
1920 Gothenburg-B – Round 6 – Hakansson, Arthur – 1/2-1/2 – Gruenfeld, Ernst – G35
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 c5 7. Rc1 Nc6 8. dxc5 Qa5 9. Bd3 dxc4 10. Bxc4 Qxc5
1921 Carrasco – Round 2 – Palau, Luis – 1/2-1/2 – Werneck de Castro, Raul – G4
1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 Be7 5. Nc3 O-O 6. e3 c5 7. dxc5 Qa5 8. cxd5 exd5 9. Be2 Nc6 10. O-O Qxc5
1921 Vienna – Round 6 – Saemisch, Friedrich – 1-0 – Gruenfeld, Ernst – G19
1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 c5 7. Rc1 Nc6 8. cxd5 exd5 9. dxc5 Qa5 10. Be2 Qxc5
1922 Londen – Round 14 – Alekhine, Alexander – 1/2-1/2 – Maroczy, Geza – G44
1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 c5 7. cxd5 exd5 8. dxc5 Be6 9. Bb5 Bxc5 10. O-O Nc6
1931 Prague ol – Round 16 – Weenink, Henri – 0-1 – Sultan Khan, Mir – G63
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 a6 7. c5 Nbd7 8. b4 Ne4 9. Nxe4 dxe4 10. Bxe7 Qxe7
1934 Leningrad – Round ? – Botvinnik, Mikhail – 1-0 – Alatortsev, Vladimir N. – G67
1. d4 e6 2. c4 d5 3. Nf3 Be7 4. Nc3 Nf6 5. Bg5 O-O 6. e3 a6 7. cxd5 exd5 8. Bd3 c6 9. Qc2 Nbd7 10. g4 Nxg4
1935 Barcelona – Round 1 – Cherta, Pedro – 0-1 – Reilly, Brian – G12
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bg5 O-O 6. e3 a6 7. cxd5 exd5 8. Qc2 Nbd7 9. Bd3 Re8 10. O-O c6
1935 Tatatovaros – Round 7 – Mueller, Hans – 0-1 – Korody Keresztely, Imre – G37
1. c4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 a6 7. cxd5 exd5 8. Bd3 c6 9. Qc2 Nbd7 10. O-O Re8
1936 Olympiad (unofficial) – Round 14 – Nielsen, Julius – 0-1 – Barcza, Gedeon – G104
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 a6 7. Qc2 h6 8. Bh4 Nbd7 9. a3 c5 10. dxc5 dxc4
1944 Ventnor City – Round 8 – Stark Letellier, Maxime – 1/2-1/2 – Pinkus, Albert – G19
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 a6 7. cxd5 exd5 8. Bd3 c6 9. Qc2 h6 10. Bh4 Ne8
1954 Olympiad final B – Round 1 – Cs. Kovacs, Laszlo – 1-0 – Papapavlou, Paulos – G10
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 c5 7. cxd5 Nxd5 8. Bxe7 Nxe7 9. dxc5 Qa5 10. Qd4 Nbc6
1957 FRG Ch – Round 8 – Heinrich, Wesko – 0-1 – Wolk, Sigmund – G11
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 c5 7. dxc5 Qa5 8. cxd5 Nxd5 9. Bxe7 Nxe7 10. Bb5 Qb4
1957 FRG Ch Bad Neuenahr – Round 13 – Darga, Klaus – 1/2-1/2 – Pfeiffer, Gerhard – G37
1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 a6 7. cxd5 exd5 8. Qc2 Be6 9. Bd3 Nbd7 10. O-O h6
1961 Mar del Plata – Round 5 – Najdorf, Miguel – 1-0 – Letelier Martner, Rene – G48
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Ne8 7. Bxe7 Qxe7 8. Qc2 Nf6 9. cxd5 exd5 10. Bd3 c6
1961 Maroczy Memorial Budapest HUN – Round 1 – Bilek, Istvan – 1/2-1/2 – Barcza, Gedeon – G24
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 c5 7. cxd5 cxd4 8. Nxd4 Nxd5 9. Bxe7 Nxe7 10. Bd3 Nbc6
1961 Zagreb – Round 1 – Trifunovic, Petar – 1-0 – Puc, Stojan – G27
1. Nf3 d5 2. d4 e6 3. c4 Nf6 4. Nc3 Be7 5. Bg5 O-O 6. e3 a6 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. Qb3 Rd8 10. Be2 Nc6
1961 Zevenaar – Round 6 – Bobotsov, Milko G – 1-0 – Johannessen, Simon T – G45
1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. Bg5 O-O 6. e3 a6 7. Qc2 h6 8. Bh4 dxc4 9. Bxc4 b5 10. Bd3 c5
1962 Spartak Ch – Round ? – Zaitsev, Alexander – 1-0 – Shakhov, Mikhail – G1
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 a6 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. Bd3 Nxc3 10. bxc3 Nd7
1965 Kiel Open – Round 3 – Gerusel, Mathias – 1-0 – Rellstab, Ludwig – G13
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 a6 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. Nxd5 exd5 10. Qb3 Nc6
1966 La Habana olm prel – Round 3 – Addison, Wiliam G – 1-0 – Ribeiro, Joao Mario – G87
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 a6 7. Qc2 h6 8. h4 dxc4 9. Bxc4 b5 10. Bxf6 Bxf6
1967 URS Team Ch – Round 1 – Kholmov, Ratmir D – 1-0 – Grushevsky, Alexander – G12
1. d4 d5 2. Nf3 e6 3. c4 Be7 4. Nc3 Nf6 5. Bg5 O-O 6. e3 c5 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. Nxd5 exd5 10. dxc5 Qxc5
1968 Lublin PKWN 4th – Round 1 – Balcerowski, Witold – 1-0 – Kovacs, Laszlo M – G1
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 c5 7. dxc5 Qa5 8. a3 Qxc5 9. cxd5 exd5 10. Be2 Nc6
1968 Lugano olm - Round 1 - Prameshuber, Alexander - 1/2-1/2 - Myagmarsuren, Lkhamsuren - G336
1. d4 d5 2. Nf3 e6 3. c4 Be7 4. Nc3 Nf6 5. Bg5 O-O 6. e3 a6 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. Qc2 Nb4 10. Qb3 c5
1974 Manila – Round 1 – Vasiukov, Evgeni – 1/2-1/2 – Naranja, Renato – G27
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nc6 7. Rc1 Ne4 8. Bxe7 Nxe7 9. Bd3 f5 10. O-O c6
1975 Torneo Internazionale – Round 11 – Haik, Aldo – 1-0 – Musolino, Paolo – G2
1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 O-O 6. e3 a6 7. Rc1 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. O-O Nbd7

D55a —
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3
Les coups candidats
Ambassadeurs : Klovans, Janis (63x), Portisch, Lajos (62x), Vujosevic, Vladimir (41x), Geller, Efim P. (36x), Vaganian, Rafael A (31x), Husemann, Andreas (28x), Lengyel, Levente (27x), Korchnoi, Viktor (27x)
Ambassadeurs : Prandstetter, Eduard (42x), Kharitonov, Andrei (41x), Hoffman, Alejandro (40x), ? (38x), Vukovic, Zdravko (23x), Portisch, Lajos (22x), Balashov, Yuri (22x), Glienke, Manfred, Dr. (19x)
Ambassadeurs : Radulov, Ivan (33x), Meijers, Viesturs (30x), Mikhalevski, Alexander (25x), Kral, Peter (18x), Delorme, Alban (16x), Hoffmann, Frank (10x), Djubek, Boris (10x), Hoen, Ragnar Harald (8x)
Ambassadeurs : Vontina, Maria (13x), Wesolowska, Edyta (8x), Kovacs, Arthur Dr. (8x), Woerl, Richard (7x), Bazant, Petr (5x), Epding, Volker (4x), ? (4x), Trifonov, Dimitar (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 6…h6 6…Nbd7 6…b6 6…c6
<1800 2851 36% 29% 16% 9%
1800-2200 14106 40% 30% 15% 8%
2200-2600 10936 50% 33% 8% 4%
2600+ 308 67% 31% 1% 1%
Évolution par décennie (% des parties)
Décennie N parties 6…h6 6…Nbd7 6…b6 6…c6
1950s 444 50% 34% 4% 3%
1960s 763 51% 29% 9% 3%
1970s 1019 53% 33% 7% 3%
1980s 2891 45% 40% 6% 3%
1990s 7424 38% 36% 11% 7%
2000s 10643 39% 33% 13% 8%
2010s 10138 46% 26% 13% 7%
2020s 2421 48% 24% 14% 7%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
6…h6 46% 48% ▲ +1.3%
6…Nbd7 26% 24% ▼ -1.6%
6…b6 13% 14% ▲ +0.9%
6…c6 7% 7% ▼ -0.5%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Tal, Mikhail — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 8 parties
Carlsen, Magnus — 7 parties
Ju, Wenjun — 4 parties
Ding, Liren — 2 parties
Anand, Viswanathan — 1 partie
Gukesh D — 1 partie
Parties historiques
6…h6 — 42.8% (15285 parties)
1950 — Cruz Filho, Oswaldo vs Asfora, Eduardo Hasbum — 0-1 — ?
1950 — Bosch van Rosenthal, Edzard vs Foltys, Jan — 1/2-1/2 — Amsterdam NED
1950 — Rossetto, Hector Decio vs Staudte, Hans-Hilmar — 1/2-1/2 — Dubrovnik CRO
1950 — Bondarevsky, Igor vs Al Balushi, Shuaib Abdul Wahab — 1/2-1/2 — Schiavno Zdroj
1950 — Gligoric, Svetozar vs Eken, Max — 1/2-1/2 — ?
6…Nbd7 — 31.6% (11279 parties)
1950 — Taimanov, Mark vs Bondarevsky, Igor — 1/2-1/2 — Szcawno Zdroj
1950 — Gligorić, Svetozar vs Kottnauer, Cenek — 1/2-1/2 — Amsterdam NED
1950 — Gligoric, Sofija vs Kottnauer, Cenek — 1/2-1/2 — Amsterdam NED
1950 — Guimard, Carlos E vs Eliskases, Erich — 1-0 — Mar del Plata ARG
1950 — Tordion, S. vs Hogot, Ci — 0-1 — Belgrade SRB
6…b6 — 11.7% (4180 parties)
1950 — Aabel Thomas Eapen vs Phillips Andrea — 1-0 — Hastings ENG
1951 — Pirc, Vasja vs Pfeiffer, Gerhard — 1-0 — Match FRG-YUG
1951 — Flohr, Salo vs Byvshev, Vasily — 1-0 — Ch URS (1/2 final), Lvov UKR
1952 — Sarosy, Zoltan L vs Suk, Ivan — 0-1 — Toronto CAN
1953 — Tal, Mikhail vs Maslov, Yevgenij — 1-0 — ?
6…c6 — 6.8% (2427 parties)
1951 — O'Kelly de Galway, Alberic vs Franck, Alfons — 1-0 — Verviers
1951 — Gligoric, Svetozar vs Paoli, Enrico — 1/2-1/2 — Zonal Bad Pyrmont GER
1952 — Florian, Tibor vs Mueller, Karsten, Dr. — 1-0 — Helsinki olm
1952 — Bolbochan, Jacobo vs Levy, Pascal — 1-0 — Helsinki olm
1952 — Kan, Ilya A vs Pasman, Marks — 1-0 — Riga LAT

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