Clue | Source | Date |
---|---|---|
Monochrome | The Times Concise | 26 Jul 2023 |
Colourless opponents across the board | The Times Cryptic | 19 May 2023 |
Clearly defined like the squares here | ||
Chess players not allowing any middle ground | ||
Chess opponents in a sort of photo | ||
Divided into mutually distinct categories like a chess board |