Tree path 2 levels Queen's Gambit Declined: Three Knights Variation › Queen's Gambit Declined: Semi-Tarrasch Defense
- Chess Codex
- Queen's Gambit Declined: Three Knights Variation D37
- Queen's Gambit Declined: Semi-Tarrasch Defense D40 you are here
Queen's Gambit Declined: Semi-Tarrasch Defense
Overview
Queen's Gambit Declined: Semi-Tarrasch Defense is a sacrificial opening line filed under ECO D40 in the Closed & Semi-Closed Games group. The defining idea is the early concession of material to seize the initiative and unbalance the position.
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 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5, after 8 plies of opening development.
It branches immediately from Queen's Gambit Declined: Three Knights Variation in the opening tree.
It continues primarily into one named line, Queen's Gambit Declined: Semi-Tarrasch Defense.
In total, the branch covers 6 sub-variations across all depths.
Use the board to walk through every move, check how the position has scored on Lichess, or take it head-to-head against Stockfish.
- ECO code
- D40
- Group
- Closed & Semi-Closed Games (D)
- Plies
- 8
- Direct variations
- 1
- Total in subtree
- 6
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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| Moves | Games | W / D / B |
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Source: Lichess Opening Explorer · cached
Description
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