1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Be7 6.Bxc6 dxc6 opens the Ruy Lopez: Closed, Delayed Exchange, ECO C85. Lichess records 79,375 games in this line, which gives us a reliable view of how it actually performs in practice.
History and Notable Players
It arises from the Ruy Lopez, Closed Defense. Among the most prolific White practitioners are Mato Damjanovic (31 games), Ratmir Kholmov (22 games), Hans Joachim Hecht (18 games). Black-side regulars include Oleg M Romanishin (23 games), Svetozar Gligoric (23 games), Peter Lukacs (20 games).
Performance Across Rating Levels
How well the Ruy Lopez: Closed, Delayed Exchange works depends on what level you're playing at. At 1200 Elo, the opening shows up in 0.00% of games (1,849 samples). White scores 49.4%, Black 47.2%, draws 3.5%. Move up to 1800 Elo and the share shifts to 0.00%, with White winning 49.7% versus Black's 44.8%. At 2500, 0.02% of games go into this opening; draws sit at 12.6% — the line is well-mapped at this level. Positions also become less sharp as level rises (sharpness 0.96 → 0.87).
Move Diversity and Theory Depth
What players actually play after the opening moves depends heavily on rating. At 1200 Elo (1,849 games), the top reply is Nxe5, played 74.5% of the time. Two other moves each take at least 5% of games, and the top three moves account for 90.3% of games. Entropy: 1.39. By 2500 (2,972 games), d3 takes over as the top reply at 62%; four other moves reach 5% and the top three moves account for 84.6% of games. Entropy rises to 1.75. Even elite players don't fully agree on the best continuation here, which keeps the position dynamic.
Common Mistakes
- Neglecting development — It can feel productive to make extra pawn moves early, but falling behind in piece development is what loses most amateur games — especially in open positions where active pieces find squares fast.
- Playing without a plan — Each Ruy Lopez: Closed, Delayed Exchange middlegame demands a specific approach. Decide whether the position calls for attack, manoeuvre, or simplification before reaching for a move.
Practice on Chessiverse
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