Queen's Gambit Declined: Semi-Tarrasch Defense (4. Nc3 c5)

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

Queen's Gambit Declined: Semi-Tarrasch Defense after 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 87654321abcdefgh

The Queen's Gambit Declined: Semi-Tarrasch Defense is a chess opening classified as ECO D40, reached after 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5. It is a line of the Queen's Gambit Declined. White is to move. 1 named line continues from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 425 times by this move order. White won 49%, 7% were drawn and Black won 44%. The most popular continuation is 5. cxd5 (51% of games).

Engine evaluation: +0.16 (Stockfish, depth 55; best line 5. cxd5 cxd4 6. Qxd4 exd5 7. Bg5 Be7)

ECO
D40
Moves
8 plies
FEN
rnbqkb1r/pp3ppp/4pn2/2pp4/2PP4/2N2N2/PP2PPPP/R1BQKB1R w KQkq - 0 5
PGN
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
0-14993549%49%
1500-199919252%42%
2000+19847%44%
All42549%44%

Most played moves

MoveGamesWhite / draw / Black
5. cxd5
Semi-Tarrasch Defense (4… c5 5. cxd5)
215 (51%)47%44%
5. Bg589 (21%)56%40%
5. e381 (19%)52%42%
5. Bf414 (3%)29%64%
5. dxc513 (3%)54%46%
5. g38 (2%)50%12%38%
5. Be31 (0%)100%
5. Bd21 (0%)100%

Master games

485 over-the-board games are classified under this line (White 42%, draw 35%, Black 23%). The strongest:

Search all games of the Queen's Gambit Declined: Semi-Tarrasch Defense and its sub-variations

Highest-rated Lichess games

Comes from

Queen's Gambit Declined: Three Knights Variation (3… d5 4. Nc3) 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3

Continuations

More Queen's Gambit Declined lines (all)

Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.