Deep runs in the World Series of Poker main event are beginning to become almost routine for poker pro Maria Ho. She sat with more than 2 million chips at around 3 p.m. local time on Friday with less than 600 players left in the main event. That was good for the chip lead, according to the WSOP.

Ho finished 77th in the 2014 main event for $85,812, 322nd in 2012 for $32,871 and 38th in 2007 for $237...