We hope you participated and enjoyed the changes made to monthly Long Contests. We had made some changes to the long contest format to make it more exciting. 10 problems for 10 days! It now has everything for everyone, be it a newbie or a veteran :) You can read more about it in here.

Continuing from there, we bring you CodeChef's 3rd Anniversary contest. The March 2012 Algorithm Challenge is taking place on http://www.codechef.com/MARCH12.

Here are the details:
Date: 1st March 2012 to 11th March 2012
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter: Hiroto Sekido (LayCurse), Vamsi Kavala, Nikhil Garg, Sergey Kulik, Shilp Gupta and Duc, Vitaliy Gerasymiw

Problem Tester: Антон Лунёв (Anton_Lunyov)

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

Check out the local time in your City/Time Zone here. Do share your feedback on what you feel about the new long contest format at feedback@codechef.com

Good Luck! Hope to see you participating

CodeChef invites you to participate in the February 2012 CookOff.

Time: 2130 hrs 19th February 2012 to 0000 hrs, 20th February 2012 (Indian Standard Time — +5:30 GMT) — Check your timezone.
Details: COOK19
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: Короткевич Геннадий (tourist)
Problem Tester: Tolstikov Aleksey

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

We hope you have been participating and enjoying yourself in our monthly dose of Long Contests. We have made some daring changes to the long contest format to make it more exciting. 10 problems for 10 days! It has everything for everyone, be it a newbie or a veteran :) You can read more about it in here.

The February 2012 Algorithm Challenge will take place on http://www.codechef.com/FEB12.

Here are the details:
Date: 1st February 2012 to 11th February 2012
Duration: 10 days
Problems: 9 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter: David Stolp (pieguy), Hiroto Sekido (LayCurse), Imran Sunny, Nikhil Garg, Sergey Kulik, Tomaž Hočevar (thocevar), Vitaliy Gerasymiw

Problem Tester: Антон Лунёв (Anton_Lunyov)

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

Check out the local time in your City/Time Zone here. Do share your feedback on what you feel about the new long contest format at feedback@codechef.com

Good Luck! Hope to see you participating

CodeChef invites you to participate in the January 2012 CookOff at http://www.codechef.com/COOK18

Time: 2130 hrs 22nd January 2012 to 0000 hrs, 23rd January 2012 (Indian Standard Time - +5:30 GMT) - Check your timezone.
Details: http://www.codechef.com/COOK18/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: Anil Kishore
Problem Tester: Harsha S.

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

The January 2012 Algorithm Challenge will take is taking place on http://www.codechef.com/JAN12.

Here are the details:
Date: 1st January 2012 to 11th January 2012
Duration: 10 days
Problems: 5 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter: Sergey Kulik (1010011010), Tomaž Hočevar (thocevar), Nikhil Garg, David Stolp (pieguy), Антон Лунёв (Anton_Lunyov), Witaliy Gerasymiw

Problem Tester: Hiroto Sekido (LayCurse)

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

CodeChef invites you to participate in the December CookOff at http://www.codechef.com/COOK17

Time: 2130 hrs 18th December 2011 to 0000 hrs, 19th December 2011 (Indian Standard Time - +5:30 GMT)
Details: http://www.codechef.com/COOK17/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: Hiroto Sekido (LayCurse)
Problem Tester: Jingbo Shang (shangjingbo)

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

The December Algorithm Challenge will take place on http://www.codechef.com/DEC11.

Here are the details:
Date: 1st December 2011 to 11th December 2011
Duration: 10 days
Problems: 5 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter: Короткевич Геннадий (tourist), Vamsi Kavala, AnhDQ, Hiroto Sekido (LayCurse)

Problem Tester: David Stolp (pieguy)

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

CodeChef invites you to participate in the November CookOff at http://www.codechef.com/COOK16

Time: 2130 hrs 20th November 2011 to 0000 hrs, 21st November 2011 (Indian Standard Time - +5:30 GMT)
Details: http://www.codechef.com/COOK16/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: Короткевич Геннадий (aka tourist)
Problem Tester: Антон Лунёв (aka A_A_Lunyov)

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

The November Algorithm Challenge will take is now taking place on http://www.codechef.com/NOV11.

Here are the details:
Date: 1st November 2011 to 11th November 2011
Duration: 10 days
Problems: 5 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter: Короткевич Геннадий, Hiroto Sekido, Anirban Mitra, Ashar Fuadi, Saransh Bansal, Антон Лунёв

Problem Tester: Tolstikov Aleksey

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

CodeChef invites you to participate in the September October CookOff at http://www.codechef.com/COOK15

Time: 2130 hrs 23rd October 2011 to 0000 hrs, 24th October 2011 (Indian Standard Time - +5:30 GMT)
Details: http://www.codechef.com/COOK15/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: Антон Лунёв
Problem Tester: David Stolp (aka pieguy)

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

The October Algorithm Challenge will take is now taking place on http://www.codechef.com/OCT11.

Here are the details:
Date: 1st October 2011 to 11th October 2011
Duration: 10 days
Problems: 5 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter: Короткевич Геннадий, Hiroto Sekido, Vamsi Kavala, Anirban Mitra, Ankul Garg, Anh Duong quang

Problem Tester: Harsha S

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

CodeChef invites you to participate in the September CookOff along with the ACM ICPC Amritapuri warm up contest at http://www.codechef.com/COOK14.

Time: 2130 hrs 18th September 2011 to 0000 hrs 19th September 2011 (Indian Standard Time - +5:30 GMT)
Details: http://www.codechef.com/COOK14/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: David Stolp (aka pieguy)

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

The September Algorithm Challenge will take place has started on http://www.codechef.com/SEPT11.

Here are the details:
Date: 1st September 2011 to 11th September 2011
Duration: 10 days
Problems: 5 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter: Tasnim Imran Sunny, Короткевич Геннадий, David Stolp, Saransh Bansal, Vamsi Kavala

Problem Tester: Shilp Gupta

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

CodeChef invites you to participate in the August CookOff Challenge at http://www.codechef.com/COOK13

Time: 2130 hrs 21st August 2011 to 0000 hrs, 21st August 2011 (Indian Standard Time - +5:30 GMT)
Details: http://www.codechef.com/COOK13/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: Anil Kishore

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

The August Algorithm Challenge is taking place on http://www.codechef.com/AUG11.

Here are the details:
Date: 1st August 2011 to 11th August 2011
Duration: 10 days
Problems: 5 binary problems of varying difficulty levels + 1 challenge problem.

Problem Setter: Abdullah Al Mahmud, Vishal Anand, Snighda, Антон Лунёв, Ivan Mistreanu

Problem Tester: Shilp Gupta

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

CodeChef invites you to participate in the July CookOff Challenge at http://www.codechef.com/COOK12

Time: 2130 hrs 24th July 2011 to 0000 hrs, 25th July 2011 (Indian Standard Time - +5:30 GMT)
Details: http://www.codechef.com/COOK12/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: Shilp Gupta

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

The July Algorithm Challenge is taking place on http://www.codechef.com/JULY11.

Here are the details:
Date: 1st July 2011 to 11th July 2011
Duration: 10 days
Problems: 5 binary problems of varying difficulty levels + 1 challenge problem.

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

The June Algorithm Challenge is taking place on http://www.codechef.com/JUNE11.

Here are the details:
Date: 1st June 2011 to 11th June 2011
Duration: 10 days
Problems: 5 binary problems of varying difficulty levels + 1 challenge problem.

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.

Due to the CodeForces Yandex and Google’s Code Jam contests this weekend, we have re-scheduled the May Cookoff to the 29th of May, 2011. i.e. The last Sunday of this month.

CodeChef invites you to participate in the May CookOff Challenge at http://www.codechef.com/COOK10

Time: 2130 hrs 29th May 2011 to 0000 hrs, 30th May 2011 (Indian Standard Time - +5:30 GMT)
Details: http://www.codechef.com/COOK10/
Registration: Just need to have a CodeChef user id to participate. New users please register here
Problem Setter: Anil Kishore

It promises to deliver on an interesting set of algorithmic problems with something for all.
The contest is open for all and those, who are interested, are requested to have a CodeChef userid, in order to participate.

The May Algorithm Challenge is taking place on http://www.codechef.com/MAY11.

Here are the details:
Date: 1st May 2011 to 11th May 2011
Duration: 10 days
Problems: 5 binary problems of varying difficulty levels + 1 challenge problem.

It promises to deliver on an interesting set of algorithmic problems with prizes up for grabs.

The contest is open for all and those, who are interested, are requested to register in order to participate.