Comfort Zone
E.g. If you have a chance to move a piece to F4, you must
I’ve won with hold em back before and with pacman.
https://www.drawbackchess.com/game/0710477bea211910d87664f1b9d6c952/white
https://www.drawbackchess.com/game/06f6ceb4a3d8d4a6f20e00882e96f339/white
if your opponent had known what your drawback was you would have loss
Expedition
you need to move to a8
Go to a8 in 6 turns for example if you do not get to a8 in the set number of turns then you lose