Ruy Lopez: Open, Classical Defense (9. c3 Be7)

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7

Ruy Lopez: Open, Classical Defense after 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 87654321abcdefgh

The Ruy Lopez: Open, Classical Defense is a chess opening classified as ECO C83, reached after 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7. It is a line of the Ruy Lopez. White is to move. 3 named lines continue from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 54 times by this move order. White won 44%, 10% were drawn and Black won 46%. The most popular continuation is 10. Nbd2 (80% of games).

Engine evaluation: +0.36 (Stockfish, depth 50; best line 10. Nbd2 Nc5 11. Bc2 d4 12. Nb3 d3)

ECO
C83
Moves
18 plies
FEN
r2qk2r/2p1bppp/p1n1b3/1p1pP3/4n3/1BP2N2/PP3PPP/RNBQ1RK1 w kq - 1 10
PGN
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7

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

Results by rating

Average ratingGamesWhite / draw / Black
0-1499250%50%
1500-19991638%18%44%
2000+3647%50%
All5444%46%

Most played moves

MoveGamesWhite / draw / Black
10. Nbd243 (80%)42%53%
10. Be35 (9%)40%60%
10. Re13 (6%)67%33%
10. Bc21 (2%)100%
10. h31 (2%)100%
10. a41 (2%)100%

Master games

663 over-the-board games are classified under this line (White 42%, draw 35%, Black 23%). The strongest:

Search all games of the Ruy Lopez: Open, Classical Defense and its sub-variations

Highest-rated Lichess games

Comes from

Ruy Lopez: Open (8… Be6 9. c3) 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3

Continuations

More Ruy Lopez 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.