Tree path 2 levels Queen's Gambit Declined: Three Knights Variation › Queen's Gambit Declined: Modern Variation, Normal Line
- Chess Codex
- Queen's Gambit Declined: Three Knights Variation D37
- Queen's Gambit Declined: Modern Variation, Normal Line D55 you are here
Queen's Gambit Declined: Modern Variation, Normal Line
Overview
Queen's Gambit Declined: Modern Variation, Normal Line belongs to the gambit family of chess openings (ECO D55, Closed & Semi-Closed Games). It trades material for attacking chances — a classic trade-off that has fascinated players from the Romantic era to modern correspondence chess.
The Closed & Semi-Closed Games group covers closed and semi-closed games — 1.d4 systems characterised by long strategic manoeuvring rather than early tactics.
It begins with 11 plies and takes 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 to reach the canonical position.
The line is a first-level refinement of Queen's Gambit Declined: Three Knights Variation.
The line splits into 2 documented sub-systems: Queen's Gambit Declined: Neo-Orthodox Variation, Queen's Gambit Declined: Orthodox Defense.
Together the deeper variations number 13 across the full subtree.
Explore the position on the interactive board, study its real-world results from Lichess, and challenge the engine when you are ready.
- ECO code
- D55
- Group
- Closed & Semi-Closed Games (D)
- Plies
- 11
- Direct variations
- 2
- Total in subtree
- 13
This overview is generated automatically from the opening's metadata. A more detailed, human-written description is on the way — and you can speed it up by suggesting one yourself.
Statistics from Lichess
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Source: Lichess Opening Explorer · cached
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Variations (2)
Show all 13 sub-variations (full subtree)
- D55 Queen's Gambit Declined: Neo-Orthodox Variation 12-ply
- D60 Queen's Gambit Declined: Orthodox Defense 12-ply
- D55 Queen's Gambit Declined: Anti-Tartakower Variation 13-ply
- D60 Botvinnik Variation 13-ply
- D63 Main Line 13-ply
- D61 Rubinstein Variation 13-ply
- D63 Queen's Gambit Declined: Orthodox Defense, Henneberger Variation 14-ply
- D63 Queen's Gambit Declined: Orthodox Defense, Main Line 14-ply
- D62 Flohr Line 15-ply
- D68 Queen's Gambit Declined: Orthodox Defense, Classical Variation 25-ply
- D64 Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack 15-ply
- D63 Queen's Gambit Declined: Orthodox Defense, Swiss, Carlsbad Variation 15-ply
- D64 Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack 16-ply