D66

Queen's Gambit Declined: Orthodox Defense, Bd3 Line

Key moves: 1.d4 d5 2.c4 e6

The Queen's Gambit Declined is one of the most solid and classical chess openings. Black defends the d5 pawn with ...e6, maintaining a strong central presence. The resulting positions are strategically rich with well-defined plans for both sides.

History & Notable Players

A cornerstone of chess strategy since the 19th century. It was the main battleground in many World Championship matches, particularly those of Capablanca, Alekhine, and Botvinnik.

Best Games

Fischer, Robert James vs Spassky, Boris V1/2-1/2
World Championship 28th • 1972★ Notable
Euwe, Max vs Alekhine, Alexander1/2-1/2
World Championship 16th • 1935★ Notable
Geller, Efim P vs Tal, Mihail1/2-1/2
Gori • 1968
Portisch, Lajos vs Polgar, Istvan1-0
HUN-ch21 • 1965
Mikrut,D vs Duda,J1-0
XXI Cracow Open • 2010
Khalifman,A vs Sveshnikov,E1/2-1/2
Keres Mem Rapid • 2002
Kamsky, Gata vs Salov, Valery1-0
Candidats FIDE f2 • 1995
Kortschnoj, Viktor vs Lobron, Eric1-0
Garmisch • 1994
Najdorf, Miguel vs Gomez Baillo, Jorge H1-0
ARG-ch • 1989
Bronstein, David I vs Ubilava, Elizbar1/2-1/2
URS-ch sf • 1983
Olafsson, Fridrik vs Najdorf, Miguel1-0
Reykjavik • 1976
Tal, Mihail vs Kinnmark, Ove1/2-1/2
Nice olm fin-A • 1974
Najdorf, Miguel vs Pilnik, Herman1-0
Mar del Plata op • 1972
Portisch, Lajos vs Szily, Jozsef1-0
Vrsac • 1971
Ligterink, Gert vs Karpov, Anatoly1/2-1/2
EU-ch U18 f-A 6768 • 1967
Smyslov, Vassily vs Rossetto, Hector1/2-1/2
Capablanca mem • 1964
Portisch, Lajos vs Barcza, Gedeon0-1
HUN-ch playoff • 1960
Euwe, Max vs Rossetto, Hector0-1
Mar del Plata • 1947
Katetov, Miroslav vs Bronstein, David I0-1
Moscow-Prague • 1946
Najdorf, Miguel vs De Souza Mendes, Joao1-0
Mar del Plata • 1946

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