Ruy Lopez: Morphy Defense, Modern Steinitz Defense (4… d6 5. Nc3)

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Nc3

Ruy Lopez: Morphy Defense, Modern Steinitz Defense after 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Nc3 87654321abcdefgh

The Ruy Lopez: Morphy Defense, Modern Steinitz Defense is a chess opening classified as ECO C71, reached after 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Nc3. It is a line of the Ruy Lopez. Black is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 110 times by this move order. White won 59%, 6% were drawn and Black won 35%. The most popular continuation is 5… Bd7 (29% of games).

Engine evaluation: +0.16 (Stockfish, depth 53; best line 5… Nf6 6. Bxc6+ bxc6 7. d4 Nd7 8. Be3)

ECO
C71
Moves
9 plies
FEN
r1bqkbnr/1pp2ppp/p1np4/4p3/B3P3/2N2N2/PPPP1PPP/R1BQK2R b KQkq - 1 5
PGN
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Nc3

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

Results by rating

Average ratingGamesWhite / draw / Black
0-14993256%41%
1500-19995663%32%
2000+2255%36%
All11059%35%

Most played moves

MoveGamesWhite / draw / Black
5… Bd732 (29%)44%53%
5… Nf623 (21%)61%35%
5… Bg423 (21%)70%22%
5… b516 (15%)63%31%
5… f57 (6%)71%29%
5… g62 (2%)50%50%
5… Qf62 (2%)50%50%
5… Be72 (2%)50%50%

Master games

87 over-the-board games are classified under this line (White 55%, draw 24%, Black 21%). The strongest:

Search all games of the Ruy Lopez: Morphy Defense, Modern Steinitz Defense and its sub-variations

Highest-rated Lichess games

Comes from

Ruy Lopez: Morphy Defense, Modern Steinitz Defense (4. Ba4 d6) 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6

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.