
1) Chess problem
Found on
https://www.crosswordclues.com/clue/reflexmate

a selfmate in which both sides must deliver checkmate if they are able to do when it is their move. A problem where this stipulation applies only to black is a semi-reflexmate.
Found on
http://en.wikipedia.org/wiki/Chess_problem_terminology

A reflexmate is a chess problem in which white, moving first, must force black to deliver checkmate within a specified number of moves against his will - with the added condition that if either player can give checkmate, they must. If this condition applies only to Black, it is a semi-reflexmate. (Without this condition, the problem is just ordina...
Found on
http://en.wikipedia.org/wiki/Reflexmate
No exact match found.