RUY
Set to 2 different clues across 2 published puzzles, most often “___ Lopez (chess opening)” — The New York Times, Thursday, 30 July 2009.
3 letters
Every clue on record, most used first
- ___ Lopez (chess opening)once
The New York Times — Thursday, 30 July 2009
- Chess's ___ Lopez openingonce
The New York Times — Monday, 20 July 1998