By Mark Memmott
A quick follow-up to our Tuesday post about the possibility that there was some skullduggery at the Philadelphia Inquirer National Sudoku Championship over the weekend:
Tournament officials, the Inquirer reports, "have frozen payouts of the top prize awards from Saturday's finals pending an investigation of suspected cheating."
As we reported, there's suspicion that someone named Eugene Varshavsky -- who came in third and won $3,000 -- got some outside help during a preliminary round.
NPR/New York Times puzzle guru Will Shortz is among those leading the investigation. Here's his conversation with All Things Considered host Robert Siegel about this "Sudokugate":