Hello, I was playing a pvp match today, and I came across a strange bug where my opponent's tyranitar was faster than possible. I had a sticky web down, and I have a timid 325 speed volcarona that I quiver danced once with (effectively bringing it up to 487 speed). My opponent swapped in a tyranitar, which can have at most 243 speed (even if he had choice scarf the sticky web would have brought him back down to 243 speed). After he outsped my volcarona, he then outsped my medicham who has 258 speed, and he switched his move (stone edge vs. volcarona, crunch vs medicham) so he couldn't have had a choice scarf.
I have no idea what might have caused the bug, I just wanted to bring this to the attention of the staff,in hopes that if other people report something similar they can figure out the cause.
Thanks for the help!