Now finished off the loose ends, pretty good I thought, nice idea, some tough clues. The use of the final 2 cells is a neat touch.
I can't see the justification for the definition in 1a in chambers but I note others seem happy with it so I guess I'm missing something.
Now back to trying to find those pesky 25 cells to highlight from last week that noone else seems to have struggled with but I can't make head nor tail of....