Caissa Codex
Tree path 4 levels Queen's Gambit Declined: Three Knights Variation › Queen's Gambit Declined: Modern Variation, Normal Line › Queen's Gambit Declined: Orthodox Defense › Main Line
  1. Caissa Codex
  2. Queen's Gambit Declined: Three Knights Variation D37
  3. Queen's Gambit Declined: Modern Variation, Normal Line D55
  4. Queen's Gambit Declined: Orthodox Defense D60
  5. Main Line D63 you are here
D63

Queen's Gambit Declined: Orthodox Defense, Main Line 6…Nbd7 7. Rc1

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Overview

Chess diagram: Queen's Gambit Declined: Orthodox Defense, Main Line after 7. Rc1
After 7. Rc1

Queen's Gambit Declined: Orthodox Defense, Main Line (ECO D63) is a declined gambit in Queen's Gambit Declined: Orthodox Defense, reached after 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 — 7 moves.

In 171,818 rated Lichess games between players rated 1600 to 2500, White won 50.2%, Black 42.5% and 7.3% were drawn. Black's most played move here is 7…c6, in 31% of those games.

It branches into 2 named variations; the most played is Queen's Gambit Declined: Orthodox Defense, Henneberger Variation. In all, 6 named lines continue from it.

ECO code
D63
Group
Closed & Semi-Closed Games (D)
Length
7 moves
Parent
Queen's Gambit Declined: Orthodox Defense
Direct variations
2
Total in subtree
6

Generated from the data: the Lichess opening list and opening explorer. Know this line well? Write a description — submissions are reviewed before publishing.

Statistics from Lichess

171,818 games · White 50.2% / Draw 7.3% / Black 42.5%

MovesGamesW / D / B
c653,197
b630,823
a626,711
h623,202
c521,070
dxc48,748
Re85,501
Ne41,697

Source: Lichess Opening Explorer · cached 2026-09-26 02:52:33

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Variations (2)

Related variations at the same level

Sister lines that share the same parent Queen's Gambit Declined: Orthodox Defense:

Show all 6 sub-variations (full subtree)

https://chesscodex.org/openings/queens-gambit-declined-orthodox-defense-main-line