Registration

Registration for the 2009 TopCoder Open Algorithm Competition will open at 9:00 a.m. EST on Wednesday, February 11, 2009 and will close at 11:00 a.m. EDT on Wednesday, March 4, 2009.

	Online Qualifying Rounds	Time	# of Participants	# of Advancers
	Round 1	Tuesday, February 24, 2009 Register: 4:00 a.m. - 6:55 a.m. START: 7:00 a.m.*	1,650	550
	Round 2	Saturday, February 28, 2009 Register: 9:00 a.m. - 11:55 a.m. START: 12:00 p.m.*	1,650	550
	Round 3	Wednesday, March 4, 2009 Register: 6:00 p.m. - 8:55 p.m. START: 9:00 p.m.*	1,650	550

	Online Elimination Rounds	Time	# of Participants	# of Advancers
	Round 1	Saturday, March 7, 2009 Register: 9:00 a.m. - 11:55 a.m. START: 12:00 p.m.*	Up to 1,800	720
	Round 2	Saturday, March 14, 2009 Register: 9:00 a.m. - 11:55 a.m. START: 12:00 p.m.**	720	300
	Round 3	Saturday, March 21, 2009 Register: 9:00 a.m. - 11:55 a.m. START: 12:00 p.m.**	300	120
	Round 4	Saturday, March 28, 2009 Register: 9:00 a.m. - 11:55 a.m. START: 12:00 p.m.**	120	45
	Round 5	Saturday, April 4, 2009 Register: 9:00 a.m. - 11:55 a.m. START: 12:00 p.m.**	45	18

	Onsite Finals	Start	# of Participants	# of Advancers
	Semifinals	Wednesday, June 3, 2009 3:00 p.m.***	18	8
	Championship Round	Thursday, June 4, 2009 12:30 p.m.***	8

	Important Dates
	Last day to request a visa letter	April 15, 2009 at 5:00 p.m.**
	Finalists documents due	April 27, 2009 at 5:00 p.m.**

*Times listed in Eastern Standard Time (UTC/GMT -5).
**Times listed in Eastern Daylight Time (UTC/GMT -4).
***Times listed in Pacific Daylight Time (UTC/GMT -7).

In the event that a round must be cancelled for any reason, the round will start the following day at the same time.