Chess Codex
Tree path 10 levels Queen's Pawn Game › Queen's Gambit › Queen's Gambit Accepted › Normal Variation › Queen's Gambit Accepted › Normal Variation › Traditional System › Queen's Gambit Accepted: Classical Defense › Normal Line › Queen's Gambit Accepted: Classical Defense, Main Line
  1. Chess Codex
  2. Queen's Pawn Game D00
  3. Queen's Gambit D06
  4. Queen's Gambit Accepted D20
  5. Normal Variation D21
  6. Queen's Gambit Accepted D23
  7. Normal Variation D25
  8. Traditional System D26
  9. Queen's Gambit Accepted: Classical Defense D26
  10. Normal Line D26
  11. Queen's Gambit Accepted: Classical Defense, Main Line D27 you are here
D27

Queen's Gambit Accepted: Classical Defense, Main Line

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Overview

Queen's Gambit Accepted: Classical Defense, Main Line is a gambit, classified under ECO code D27 within the Closed & Semi-Closed Games family. As with all gambits, one side sacrifices material early — usually a pawn — in exchange for development, open lines, or initiative.

The Closed & Semi-Closed Games group covers closed and semi-closed games — 1.d4 systems characterised by long strategic manoeuvring rather than early tactics.

Play reaches this position via 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6, after 12 plies of opening development.

It is a variation of Queen's Gambit Accepted: Classical Defense, Normal Line, which itself descends from the root opening Queen's Pawn Game.

It branches into 3 notable variations — Queen's Gambit Accepted: Classical Defense, Alekhine System, Queen's Gambit Accepted: Classical Defense, Rubinstein Variation, Queen's Gambit Accepted: Furman Variation.

In total, the branch covers 7 sub-variations across all depths.

Step through the moves on the interactive board below, review the live Lichess statistics, or play this position against Stockfish at one of six difficulty levels.

ECO code
D27
Group
Closed & Semi-Closed Games (D)
Plies
12
Parent
Queen's Gambit Accepted: Classical Defense, Normal Line
Direct variations
3
Total in subtree
7

This overview is generated automatically from the opening's metadata. Know this line well? Write a description — submissions are reviewed before publishing.

Statistics from Lichess

184,647 games · White 45.2% / Draw 10.7% / Black 44.2%

MovesGamesW / D / B
a453,393
dxc533,309
Nc327,307
Qe224,332
b310,931
Bb39,487
a38,791
Be24,063

Source: Lichess Opening Explorer · cached 2026-09-26 02:41:51

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Variations (3)

Related variations at the same level

Sister lines that share the same parent Queen's Gambit Accepted: Classical Defense, Normal Line:

Show all 7 sub-variations (full subtree)

https://chesscodex.org/openings/queens-gambit-accepted-classical-defense-main-line