Starting from 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Be7, players enter the Ruy Lopez: 1.e4 e5 2.Nf3... Be7 — ECO C83. Across rating levels it shows up in 21,725 recorded games — enough data to map exactly where it succeeds and where it stalls.
History and Notable Players
It arises from the Ruy Lopez: 1.e4 e5 2.Nf3... 9.c3. Among the most prolific White practitioners are Paul Keres (10 games), Alexander Alekhine (10 games), Frederick Yates (8 games). Black-side regulars include Max Euwe (31 games), Viktor Korchnoi (21 games), Wolfgang Unzicker (19 games).
Move Diversity and Theory Depth
Move choice is far from uniform in the Ruy Lopez: 1.e4 e5 2.Nf3... Be7. At 1200 Elo, the top reply is Nbd2, played 46.6% of the time. There are 6 other moves seeing meaningful share, and 74.1% of games stick to established theory. Entropy: 2.48. By 2500, Nbd2 dominates at 68.8% of replies; only 3 viable alternatives remain and 88.4% of moves are theory. Entropy drops to 1.67. That entropy collapse is the signature of a line where preparation pays off: at the top, players know the best move and play it.
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: 1.e4 e5 2.Nf3... Be7 middlegame demands a specific approach. Decide whether the position calls for attack, manoeuvre, or simplification before reaching for a move.
Practice on Chessiverse
Ready to try the Ruy Lopez: 1.e4 e5 2.Nf3... Be7 against a bot? Pick an opponent at your level and play a game.
