OOX
| Date | Clue |
|---|---|
| 2019-08-21 | It's for naught in noughts-and-crosses |
| 2015-11-29 | Tic-tac-toe failure |
| 2015-07-21 | Losing tic-tac-toe row |
| 2015-05-19 | Losing tic-tac-toe row |
| 2014-01-05 | Noughts-and-crosses loser |
| 2011-02-13 | Losing tic-tac-toe row |
| 2009-10-30 | Tic-tac-toe loser |
| 1994-09-25 | Near miss in tic-tac-toe |