A 27-year-old California man has won the first Philadelphia Inquirer National Sudoku Championship, solving an advanced puzzle in just over seven minutes.
Thomas Snyder, of Palo Alto, won the $10,000 prize and a spot on the six-person U.S. World Sudoku Team that will compete at the Third Annual World Sudoku Championship next year in Goa, India.
Snyder is the current world champion.
He won the second world competition held in Prague last spring.
Saturday's tournament attracted 857 contestants and 302 spectators, ranging in age from 6 to 87.
Officials say it was the largest live puzzle tournament ever held.
The competition was hosted by Will Shortz, crossword editor at The New York Times.