Scandinavian Defense: Kiel Variation

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb4

Scandinavian Defense: Kiel Variation after 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb4 87654321abcdefgh

The Scandinavian Defense: Kiel Variation is a chess opening classified as ECO B01, reached after 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb4. It is a line of the Scandinavian Defense. White is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 818 times by this move order. White won 49%, 4% were drawn and Black won 47%. The most popular continuation is 5. a3 (47% of games).

Engine evaluation: +1.38 (Stockfish, depth 50; best line 5. a3 N4c6 6. Nf3 Bg4 7. d5 Ne5)

ECO
B01
Moves
8 plies
FEN
rnbqkb1r/ppp1pppp/8/8/1nPP4/8/PP3PPP/RNBQKBNR w KQkq - 1 5
PGN
1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb4

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

Results by rating

Average ratingGamesWhite / draw / Black
0-14993244%53%
1500-199952550%46%
2000+26148%48%
All81849%47%

Most played moves

MoveGamesWhite / draw / Black
5. a3385 (47%)59%34%
5. Qa4+240 (29%)38%59%
5. Nc384 (10%)30%69%
5. Nf342 (5%)57%40%
5. d524 (3%)33%63%
5. Be315 (2%)47%53%
5. Bd29 (1%)67%33%
5. Na35 (1%)60%40%

Master games

81 over-the-board games are classified under this line (White 59%, draw 10%, Black 31%). The strongest:

Search all games of the Scandinavian Defense: Kiel Variation and its sub-variations

Highest-rated Lichess games

Comes from

Scandinavian Defense: Marshall Variation 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5

More Scandinavian 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.