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I suggest that there be a way on PS! to store large challenge commands locally with an alias. This will be incredibly helpful for OMs, some Pet Mods, and miscellaneous Custom Formats. Having to copy-paste large challenge commands can get quite cumbersome.
I'm thinking along the lines of being...
Hi, we play for ADV Cup, I'm +5.5. I can do thursday to saturday evening my time, the actual timing will depend on the day, so when can you feasibly play?