Queen's Gambit Declined: Baltic Defense, Queen Attack Deferred

1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Qb3

Queen's Gambit Declined: Baltic Defense, Queen Attack Deferred after 1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Qb3 87654321abcdefgh

The Queen's Gambit Declined: Baltic Defense, Queen Attack Deferred is a chess opening classified as ECO D06, reached after 1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Qb3. It is a line of the Queen's Gambit Declined. Black is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 347 times by this move order. White won 52%, 2% were drawn and Black won 46%. The most popular continuation is 4… b6 (46% of games).

Engine evaluation: +0.21 (Stockfish, depth 36; best line 4… Nc6 5. Bg5 Be7 6. Bxe7 Ngxe7 7. cxd5)

ECO
D06
Moves
7 plies
FEN
rn1qkbnr/ppp2ppp/4p3/3p1b2/2PP4/1QN5/PP2PPPP/R1B1KBNR b KQkq - 1 4
PGN
1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Qb3

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

Results by rating

Average ratingGamesWhite / draw / Black
0-14993447%53%
1500-199927253%44%
2000+4146%51%
All34752%46%

Most played moves

MoveGamesWhite / draw / Black
4… b6160 (46%)57%41%
4… Nc670 (20%)39%57%
4… dxc442 (12%)48%52%
4… Nf626 (7%)58%38%
4… Qc822 (6%)55%45%
4… Nd712 (3%)42%58%
4… c69 (3%)56%33%
4… Bd62 (1%)100%

Master games

36 over-the-board games are classified under this line (White 47%, draw 9%, Black 44%). The strongest:

Search all games of the Queen's Gambit Declined: Baltic Defense, Queen Attack Deferred and its sub-variations

Highest-rated Lichess games

Comes from

Queen's Gambit Declined: Baltic Defense 1. d4 d5 2. c4 Bf5

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.