tournament question

[Alisha]

when you look at the tournament list there will be letters next to them like A,B,C whats the signifigance of those letters

[SkyHawkX]

(A) tournaments are regular settings:
30 minutes
30 second phases
15 HP

(B):
30 minutes
20 second phases
20 HP

(C):
30 minutes
30 second phases
Dice 2-5
15 HP I believe

(D):
30 minutes
30 second phases
Deck loop unactivated

(E)
15 minutes
20 second phases
15 HP

[Mixfortune]

What SkyHawkX posted seems to be correct.
You can also check this guide for future reference:
http://www.pso-world.com/sections.php?op=viewarticle&artid=2046

[Bluedragon07]

do the rewards change at all?

[Mixfortune]

Nope, there is no change to the reward due to the rules alone, but having decks that take advantage of certain rule sets will only help.