ECO code: D42
Opening Name: Queen's Gambit Declined: Semi-Tarrasch, 6.e3 Nc6 7.Bd3 cxd4
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3 cxd4 8. exd4
Description: This variation of the Semi-Tarrasch Defense arises after Black recaptures on d4 with the c-pawn. The move 7...cxd4 challenges White's central control immediately and helps Black to equalize by simplifying the center. White’s 8.exd4 recaptures, maintaining a strong pawn presence in the center. The position typically leads to a balanced struggle for central control, where both sides have active piece play and chances.
Characteristic of the move 7...cxd4: This exchange is characteristic of the Semi-Tarrasch Defense’s dynamic nature—Black willingly accepts an isolated or backward pawn in some lines to gain active piece play and open lines for development. It simplifies the center and clarifies the pawn structure early.
Attacking or Defensive: From White’s perspective, the setup is flexible and can lead to both attacking and positional play, but White generally aims to maintain a stable center and develop harmoniously. Black’s 7...cxd4 is more of a counter-attacking or active move, challenging White’s central dominance and seeking dynamic equality rather than a purely defensive stance.
Control of the Center: Yes, this opening actively contests the center. White establishes a strong pawn center with pawns on d4 and e3, while Black challenges it directly with c5 and later cxd4. Both sides fight for central influence, making control of the center a key theme in this line.
This opening is defined by the position shown on the board below. The moves displayed are a typical sequence that leads to it, but different sequences can reach the same position and still carry the same opening name.
Practice puzzles and train your tactics with real positions from games that used the QGD: Semi-Tarrasch, 6.e3 Nc6 7.Bd3 cxd4, and sharpen your opening mastery.
Puzzle 1 of 1 - Move #35 black