The one remaining problem is that when Picard arrives and deploys his fleet, Romulans make no comment whatsoever on the enemy ships dispersing. If Picard's force suddenly split in 23 and the formation expanded from five hundred meters to fifty lightyears, surely there would be amazed gasps? Yet the Romulans continue to refer to Picard's ships as a "fleet" as if no splitting up worth writing home about had taken place.
Bingo:
MOVAR: There's an increase in tachyon emissions from the Federation fleet.
SELA: They're using the beams as a detection field.
SELA: Ah. Then I can tell my superiors that a fleet of twenty three Federation starships is on our border for, what, humanitarian reasons?
Also, redeploying a formation dozens of light-years across shouldn't have happened so quickly.MOVAR: Picard is redeploying the fleet to compensate for the missing ship. There's a gap opening in the net.