Four Knights Game: Spanish Variation, Alatortsev Variation

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Qe7 7. Ne2 d5

Four Knights Game: Spanish Variation, Alatortsev Variation after 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Qe7 7. Ne2 d5 87654321abcdefgh

The Four Knights Game: Spanish Variation, Alatortsev 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 Qe7 7. Ne2 d5. It is a line of the Four Knights Game. White 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: +0.43 (Stockfish, depth 25; best line 8. exd5 Nxd5 9. a3 Bd6 10. c4 Nf6)

ECO
C49
Moves
14 plies
FEN
r1b2rk1/ppp1qppp/2n2n2/1B1pp3/1b2P3/3P1N2/PPP1NPPP/R1BQ1RK1 w - - 0 8
PGN
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Qe7 7. Ne2 d5

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

Comes from

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

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.