Missed base

[David Van Milligen]

Happened yesterday. Batter hits into gap in right center. On his way past 2nd, short stop that was covering 2nd, backs into batter runner. Out fielders still chasing down ball. Batter runner misses 2nd, because of the obstruction, and continues for a stand up triple. I had signaled delayed obstruction, apaently no one knew what the signal meant and no one noticed the missed base. If he had not made it to third I would have inforced the obsruction, and put him on third. Being he missed 2nd, and if some one would have appealed, what shoud I have done?