ECO D40

Queen's Gambit Declined: Semi-Tarrasch Defense

Queen's Gambit Declined: Semi-Tarrasch Defense is a chess opening classified under ECO D40. Its defining line here is 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5.

Queen's Gambit Declined: Semi-Tarrasch Defense — board position♜♞♝♛♚♝♜♟♟♟♟♟♟♞♟♟♟♟♞♞♟♟♟♟♟♟♜♝♛♚♝♜

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5

Explore this opening ▸Add to my repertoireOpen in analysis

The diagram shows the position after 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5. Play through it move by move in the interactive explorer.

Opening name, ECO code, and main line come from the Lichess open chess openings dataset.

Other catalogued lines with this name

  • D41: 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5
  • D41: 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 e6

Part of