Four Knights Game: Spanish Variation (3… Nf6 4. Bb5)

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5

Four Knights Game: Spanish Variation after 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 87654321abcdefgh

The Four Knights Game: Spanish Variation is a chess opening classified as ECO C48, reached after 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5. It is a line of the Four Knights Game. Black is to move. 4 named lines continue from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 15,522 times by this move order. White won 50%, 5% were drawn and Black won 45%. The most popular continuation is 4… d6 (23% of games).

Engine evaluation: +0.04 (Stockfish, depth 57; best line 4… Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6)

ECO
C48
Moves
7 plies
FEN
r1bqkb1r/pppp1ppp/2n2n2/1B2p3/4P3/2N2N2/PPPP1PPP/R1BQK2R b KQkq - 5 4
PGN
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5

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

Results by rating

Average ratingGamesWhite / draw / Black
0-149910,07748%47%
1500-19994,17252%43%
2000+1,27351%41%
All15,52250%45%

Most played moves

MoveGamesWhite / draw / Black
4… d63,599 (23%)49%45%
4… Bc5
Spanish Variation, Classical Variation
3,395 (22%)47%48%
4… a63,018 (19%)53%43%
4… Bb4
Spanish Variation, Double Spanish (4. Bb5 Bb4)
2,468 (16%)51%43%
4… Nd4
Spanish Variation, Rubinstein Variation (4. Bb5 Nd4)
1,249 (8%)47%49%
4… Bd6589 (4%)48%46%
4… d5469 (3%)49%46%
4… Be7259 (2%)53%43%

Master games

2,165 over-the-board games are classified under this line (White 39%, draw 23%, Black 38%). The strongest:

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

Highest-rated Lichess games

Comes from

Four Knights Game 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6

Continuations

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.