D66 is the opening Queen's Gambit Declined: Orthodox Defense, Bd3 Line of the volume D · Closed games: 15 half-moves to the position in the diagram, 3 variations in the ECO table.
What the games say
543 games in the collections, from 1894 to 2016. Mean rating of the games with ratings: 2410.
White wins 45 %, draws 41 %, Black wins 14 %
Most games: Rossetto, Hector (19), Lengyel, Bela (17), Stahlberg, Gideon (16), Ubilava, Elizbar (12), Gaprindashvili, Nona (11)
All 3 variations
- Queen's Gambit Declined: Orthodox Defense, Bd3 Line 1.d4 d5 2.c4 e6 3.♘c3 ♘f6 4.♗g5 ♗e7 5.e3 O-O 6.♘f3 ♘bd7 7.♖c1 c6 8.♗d3
- Queen's Gambit Declined: Orthodox Defense, Bd3 Line 1.d4 d5 2.c4 e6 3.♘c3 ♘f6 4.♗g5 ♗e7 5.e3 O-O 6.♘f3 ♘bd7 7.♖c1 c6 8.♗d3 h6 9.♗h4
- Queen's Gambit Declined: Orthodox Defense, Fianchetto Variation 1.d4 d5 2.c4 e6 3.♘c3 ♘f6 4.♗g5 c6 5.♘f3 ♗e7 6.e3 ♘bd7 7.♖c1 O-O 8.♗d3 dxc4 9.♗xc4 b5