Chess conclusion (4)
I believe the answer is:
mate
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">chess conclusion</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for mate that I've seen before include "tea" , "Friend, partner" , "Fellow worker" , "Marry - friend" , "Final check at chess" .)