Algorithm Competition Schedule *

Registration

Registration for the 2007 TopCoder Open Algorithm Competition will open at 9:00 AM EDT on Monday, February 19, and will close at 5:00 PM EDT on Tuesday, March 27, 2007. In order to be eligible to compete in the Algorithm Competition, competitors must be a registered TopCoder member and have registered separately for the Algorithm Competition. There is no limit to the number of registrants for the competition, however each individual may only register once.

Registration	OPENS: Monday, February 19, 2007 9:00 AM EDT CLOSES: Tuesday, March 27, 2007 5:00 PM EDT

Qualification Round

There will be three Qualification Rounds available for those registered for the TCO. A maximum of 550 competitors will advance to Online Round #1 from each Qualification Round, plus the 150 top rated members who automatically advance without competing in the Qualification Round.

Qualification Rounds
Round	Date and Time*	# of Participants	# of Advancers
Qualification Round #1	Thursday, March 29 Register: 4:00 - 6:55 AM START: 7:00 AM	All members who have not previously qualified - limited to the first 1,350 participants to register	550
Qualification Round #2	Saturday, March 31 Register: 10:00 AM - 12:55 PM START: 1:00 PM	All members who have not previously qualified - limited to the first 1,350 participants to register	550
Qualification Round #3	Tuesday, April 3 Register: 6:00 - 8:55 PM START: 9:00 PM	All members who have not previously qualified - limited to the first 1,350 participants to register	550
*All times are Eastern Daylight Time (UTC/GMT -4). In the event that a round must be cancelled for any reason, the round will be held the following day at the same time.

Online Elimination Rounds
Round	Date and Time*	# of Participants	# of Advancers
Online Round #1 - Section A	Saturday, April 7 Register: 10:00 AM - 12:55 PM START: 1:00 PM	Up to 720**	300
Online Round #1 - Section B	Tuesday, April 10 Register: 6:00 - 8:55 PM START: 9:00 PM	Up to 720**	300
Online Round #1 - Section C	Thursday, April 12 Register: 4:00 - 6:55 AM START: 7:00 AM	Up to 720**	300
Online Round #2	Saturday, April 14 Register: 10:00 AM - 12:55 PM START: 1:00 PM	900	300
Online Round #3	Saturday, April 21 Register: 10:00 AM - 12:55 PM START: 1:00 PM	300	150
Online Round #4	Saturday, April 28 Register: 10:00 AM - 12:55 PM START: 1:00 PM	150	48
* NOTE: All times are Eastern Daylight Time (UTC/GMT -4). In the event that a round must be cancelled for any reason, the round will be held the following day at the same time. ** If less than 1,800 competitors qualify to compete in Online Round #1, the maximum number of competitors that will be assigned into any section will be 40% of the actual number of qualifiers, rounded up.

Onsite Rounds
Round of Competition	Date and Time (Pacific Daylight Time)
Semifinal Room #1	Wednesday, June 27, 9:00 AM
Semifinal Room #2	Wednesday, June 27, 4:00 PM
Semifinal Room #3	Thursday, June 28, 9:00 AM
Wildcard Round	Thursday, June 28, 4:00 PM
Championship Round	Friday, June 29, 1:30 PM

Important Dates
Important Items to Note	Date and Time (Eastern Daylight Time)
Last Day to Request a Visa Letter	Monday, April 23, 2007 at 5:00 PM
Finalist Documents Due	Friday, May 11, 2007 at 5:00 PM

* Find start times in your time zone
Below is a list of start times for the various rounds. Click the time that corresponds to the round you are interested in to see what time coding begins in your time zone.

7:00 AM 9:00 AM 1:00 PM 5:00 PM 9:00 PM