Four Knights Game: Spanish Variation, Svenonius Variation

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d5

Four Knights Game: Spanish Variation, Svenonius Variation after 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d5 87654321abcdefgh

The Four Knights Game: Spanish Variation, Svenonius Variation is a chess opening classified as ECO C49, reached after 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d5. It is a line of the Four Knights Game. White is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 2 times by this move order. White won 0%, 0% were drawn and Black won 100%. The most popular continuation is 8. exd5 (100% of games).

Engine evaluation: +0.28 (Stockfish, depth 41; best line 8. Bxc6 bxc6 9. exd5 Qxd5 10. c4 Qd6)

ECO
C49
Moves
14 plies
FEN
r1bq1rk1/ppp2ppp/2n2n2/1B1pp3/4P3/2PP1N2/P1P2PPP/R1BQ1RK1 w - - 0 8
PGN
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d5

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

Results by rating

Average ratingGamesWhite / draw / Black
0-14991100%
1500-19991100%
All2100%

Most played moves

MoveGamesWhite / draw / Black
8. exd52 (100%)100%

Master games

1 over-the-board game is classified under this line (White 0%, draw 0%, Black 100%). The strongest:

Search all games of the Four Knights Game: Spanish Variation, Svenonius Variation and its sub-variations

Highest-rated Lichess games

Comes from

Four Knights Game: Spanish Variation (6. d3 Bxc3) 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3

More Four Knights Game 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.