The Classic Sudoku

Abstract

The US Qualifying test will start on Saturday May 25 at 1pm EDT (10am PDT) and last for 2 1⁄2 hours. All US team qualifiers must take the test at this time. The 6 tournament of the WPF Sudoku Grand Prix will open at the same time (17:00 UTC) and remain open for 60 hours, closing Tuesday May 28 at 5:00 UTC. Grand Prix participants (those not attempting to qualify for the US Team) can take the test any time during this period.