Slav Defense: Czech Variation, Dutch Variation, Sämisch Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2 Ne4 10. g4

Slav Defense: Czech Variation, Dutch Variation, Sämisch Variation after 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2 Ne4 10. g4 87654321abcdefgh

The Slav Defense: Czech Variation, Dutch Variation, Sämisch Variation is a chess opening classified as ECO D19, reached after 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2 Ne4 10. g4. It is a line of the Slav Defense. Black is to move.

This exact move order didn't appear in our sample of 12.6 million Lichess games: it's a rare line.

Engine evaluation: −0.07 (Stockfish, depth 29; best line 10… Bg6 11. Ne5 Nxc3 12. bxc3 Bxc3 13. Nxg6)

ECO
D19
Moves
19 plies
FEN
rn1q1rk1/pp3ppp/2p1p3/5b2/PbBPn1P1/2N1PN2/1P2QP1P/R1B2RK1 b - - 0 10
PGN
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2 Ne4 10. g4

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

Comes from

Slav Defense: Czech Variation, Classical System, Main Line 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2

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.