Slav Defense: Breyer Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2

Slav Defense: Breyer Variation after 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2 87654321abcdefgh

The Slav Defense: Breyer Variation is a chess opening classified as ECO D11, reached after 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2. It is a line of the Slav Defense. Black is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 222 times by this move order. White won 56%, 6% were drawn and Black won 38%. The most popular continuation is 4… Bf5 (37% of games).

Engine evaluation: +0.03 (Stockfish, depth 47; best line 4… Bf5 5. Nh4 Be4 6. Qb3 Nbd7 7. e3)

ECO
D11
Moves
7 plies
FEN
rnbqkb1r/pp2pppp/2p2n2/3p4/2PP4/5N2/PP1NPPPP/R1BQKB1R b KQkq - 3 4
PGN
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2

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

Results by rating

Average ratingGamesWhite / draw / Black
0-14991060%40%
1500-19997353%45%
2000+13957%34%
All22256%38%

Most played moves

MoveGamesWhite / draw / Black
4… Bf583 (37%)61%31%
4… e665 (29%)55%38%
4… Bg422 (10%)27%73%
4… a619 (9%)53%37%
4… g618 (8%)67%33%
4… Nbd77 (3%)43%57%
4… h64 (2%)100%
4… dxc42 (1%)50%50%

Master games

1,276 over-the-board games are classified under this line (White 48%, draw 25%, Black 27%). The strongest:

Search all games of the Slav Defense: Breyer Variation and its sub-variations

Highest-rated Lichess games

Comes from

Slav Defense: Modern Line (2… c6 3. Nf3) 1. d4 d5 2. c4 c6 3. Nf3

More Slav Defense 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.