Semi-Slav Defense: Meran Variation, Reynolds' Variation

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5

Semi-Slav Defense: Meran Variation, Reynolds' Variation after 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5 87654321abcdefgh

The Semi-Slav Defense: Meran Variation, Reynolds' Variation is a chess opening classified as ECO D48, reached after 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5. It is a line of the Semi-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: +0.05 (Stockfish, depth 38; best line 10… c4 11. Bc2 Qc7 12. dxe6 fxe6 13. Ng5)

ECO
D48
Moves
19 plies
FEN
r1bqkb1r/3n1ppp/p3pn2/1ppP4/4P3/2NB1N2/PP3PPP/R1BQK2R b KQkq - 0 10
PGN
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5

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

Master games

44 over-the-board games are classified under this line (White 45%, draw 21%, Black 34%). The strongest:

Search all games of the Semi-Slav Defense: Meran Variation, Reynolds' Variation and its sub-variations

Comes from

Semi-Slav Defense 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6

More Semi-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.