Ruy Lopez: Morphy Defense, Modern Steinitz Defense (6. d4 f6)

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6

Ruy Lopez: Morphy Defense, Modern Steinitz Defense after 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 87654321abcdefgh

The Ruy Lopez: Morphy Defense, Modern Steinitz Defense is a chess opening classified as ECO C73, reached after 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6. It is a line of the Ruy Lopez. White is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 17 times by this move order. White won 35%, 6% were drawn and Black won 59%. The most popular continuation is 7. dxe5 (41% of games).

Engine evaluation: +0.23 (Stockfish, depth 40; best line 7. Nc3 Ne7 8. Be3 Ng6 9. Qe2 Be6)

ECO
C73
Moves
12 plies
FEN
r1bqkbnr/2p3pp/p1pp1p2/4p3/3PP3/5N2/PPP2PPP/RNBQK2R w KQkq - 0 7
PGN
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6

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

Results by rating

Average ratingGamesWhite / draw / Black
1500-1999250%50%
2000+1533%60%
All1735%59%

Most played moves

MoveGamesWhite / draw / Black
7. dxe57 (41%)43%57%
7. Nc34 (24%)100%
7. h32 (12%)50%50%
7. O-O2 (12%)50%50%
7. c41 (6%)100%
7. Nbd21 (6%)100%

Master games

165 over-the-board games are classified under this line (White 38%, draw 20%, Black 42%). 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 (5… bxc6 6. d4) 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4

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.