D41
Queen's Gambit Declined: Semi-Tarrasch Defense
1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 e6
The Queen's Gambit Declined: Semi-Tarrasch Defense is a chess opening classified under ECO code D41. It is reached after the moves 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 e6.
It belongs to the Queen's Gambit Declined family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.
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