Update for Tecmo's pushed back a week as the registration for the second round of the Master Ninja Tournament is extended a week.
Organizers of the second round of the Master Ninja Tournament on Xbox Live have decided to extend the registration period for the Ninja Gaiden competition. Players will now be able to sign up through next week. The tournament, in which competitors play through the game with the new content and post their karma scores on Xbox Live, will begin August 9 instead of August 2. It will conclude August 30.
News source: GameSpot