Twelve moves ahead.
Yes, from lb it could mean movement in chess, but what if (I know this speculative, but the majority of Q research is indeed speculative until we get a proof or confirmation from Q) Twelve is Q's way of naming Kavanaugh?
Kavanaugh moves ahead this week?
Twelve=the Twelfth Supreme Court Justice?
https://www.rollcall.com/news/politics/kavanaugh-mostly-evasive-final-committee-answers