|Breton:||When a unit is captured, one other unit of the same type as the capturing unit (if any are present) is removed at the same time. If more than one such unit is present, the choice of which is to be removed is made by the capturer.|
No. 1602 Thomas Maeder
original - 10.04.2021
Solution: (click to show/hide)
(C+ by Popeye 4.85)
Breton specific reciprocal change.
The mechanism reminds of 1365. The play looks less orthodox here because it is the black king that is denied the thematic captures.
The refutation is a specific sacrifice that would cause the white queen to vanish in the threatened mating move.