The way our group does Destiny Point usage is 1) assemble the pool, 2.a) parties declare destiny point usage (either side can flip as a reaction to the other side using a Destiny Point, but usually the GM is simply trying to make the roll have a chance for Despair, or make the roll more dramatic), 2.b) if players and the GM flip, a green turns to yellow and a purple turns to red, 3) roll.

Having the Destiny Points "cancel" seems silly, because most groups would simply never let the opposing side gain the extra chance for despairs/triumphs, and your base destiny pool will never budge more than 1, maybe 2 points either way. Honestly, that just sounds...boring. Destiny points are designed to heighten the intensity of a scene and give greater narrative options.

You can't actually "cancel" a DP result. If, say, you're attacked and the GM is rolling YGGPP. The GM flips a black DP and elects to upgrade his ability to YYGPP. You then decide to flip a white DP and upgrade his difficulty to YYGCP. The final pool is different, and due to the pips, is still slightly better than what he started out with (except he can now roll a Despair). Also, if there's only black DP remaining at the start of the action, the player would not be able to upgrade the difficulty using the just-flipped DP, since the DP isn't considered "flipped" until after the action takes place.

Okay now I am more confused than ever.

What is YYG C P

no idea what the 'C' stands for please explain. Pretty sure you were using the colors of the dice (wish people were not always using abbreviations since I am sure I am not the only one that does not know what they mean) so Yellow Green Purple... but what is 'C'?

C is "Challenge" die, the red die. I think it's just a case of abbreviation-styles getting crossed.

I think it should be written either YYGRP (yellow-yellow-green-red-purple) or PPACD (proficiency-proficiency-ability-challenge-difficulty).

C is "Challenge" die, the red die. I think it's just a case of abbreviation-styles getting crossed.

I think it should be written either YYGRP (yellow-yellow-green-red-purple) or PPACD (proficiency-proficiency-ability-challenge-difficulty).

Or PP A C D

It's a case of how I say it in my brain. Green dice are green dice, challenge dice are challenge dice (not red dice) I have no idea why. I realize it's inconsistent, but I was concentrating on the concept, not the nomenclature. I should have used R to be consistent.