Semi-Slav Defense: Meran Variation, Wade Variation, Kaidanov Gambit
1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5 11. e5 Nd5 12. O-O cxd4 13. Nxd4
The Semi-Slav Defense: Meran Variation, Wade Variation, Kaidanov Gambit is a chess opening classified as ECO D47, reached after 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5 11. e5 Nd5 12. O-O cxd4 13. Nxd4. 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: +0.11 (Stockfish, depth 44; best line 13… Nxe5 14. Bb5+ Nd7 15. Re1 Rc8 16. b3)
- ECO
- D47
- Moves
- 25 plies
- FEN
r2qkb1r/pb1n1ppp/4p3/3nP3/Np1N4/3B4/PP3PPP/R1BQ1RK1 b kq - 0 13- PGN
1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5 11. e5 Nd5 12. O-O cxd4 13. Nxd4
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Master games
14 over-the-board games are classified under this line (White 71%, draw 15%, Black 14%). The strongest:
- GM Shakhriyar Mamedyarov (2767) – GM Anish Giri (2772) 1-0 · Airthings Masters Prelim · 2022-02-22
- GM Shakhriyar Mamedyarov (2766) – GM Quang Liem Le (2705) 1-0 · Aeroflot Open Rapid Final · 2013-02-16
- GM Alexander Moiseenko (2689) – GM Natalia Zhukova (2488) 1-0 · Qatar Masters Open 2015 · 2015-12-29
- GM Vignir Vatnar Stefansson (2526) – GM Merab Gagunashvili (2563) 1-0 · 6th San Cristobal Open · 2024-08-31
- GM Diptayan Ghosh (2541) – IM Arjun Kalyan (2477) 1-0 · Sukooon Resort Indian Chess.com · 2020-05-16
Comes from
Semi-Slav Defense: Meran Variation, Wade Variation, Larsen Variation 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5 11. e5 Nd5
More Semi-Slav Defense lines (all)
- Semi-Slav Defense: Quiet Variation (4… e6 5. Nbd2) D30
- Semi-Slav Defense: Quiet Variation (5. Nbd2 Nbd7) D30
- Semi-Slav Defense: Accelerated Move Order D31
- Semi-Slav Defense: Anti-Noteboom, Stonewall Variation D31
- Semi-Slav Defense: Anti-Noteboom, Stonewall Variation, Portisch Gambit D31
- Semi-Slav Defense: Gunderam Gambit D31
- Semi-Slav Defense: Marshall Gambit D31
- Semi-Slav Defense: Marshall Gambit, Forgotten Variation D31
- Semi-Slav Defense: Marshall Gambit, Main Line D31
- Semi-Slav Defense: Marshall Gambit, Tolush Variation D31
- Semi-Slav Defense: Noteboom Variation D31
- Semi-Slav Defense: Noteboom Variation, Abrahams Variation D31
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.