codechef.com

Google calendar
auto updating
has account rating
has problem rating
has upsolving
2,062 contest(s) 873,035 accounts(s)

Top rating updated 18 seconds ago

N Handle Rating
1
mahotsukai 		2143
2
snowangel 		1833
3
hieng003 		1581
4
bakaiadam 		1572
5
xyxxyyxyz 		1428
6
blue_frog 		1301
7
ponleur_tita 		1269
8
ant111 		1211
9
ruka 		1195
10
tongmenglay 		1086

Rating distribution

Country distribution

N Country Participants
number
1
Cambodia 		10

Most participations

N Handle Contests
count
1
mahotsukai 		11
2
blue_frog 		7
3
tongmenglay 		7
4
ant111 		3
5
ponleur_tita 		3
6
ruka 		2
7
xyxxyyxyz 		2
8
hieng003 		2
9
bakaiadam 		1
10
snowangel 		1

Most recent activity

N Handle Last
activity
1
ponleur_tita 		July 31, 2024
2
tongmenglay 		Nov. 14, 2022
3
hieng003 		Sept. 9, 2022
4
xyxxyyxyz 		Aug. 24, 2022
5
blue_frog 		March 28, 2021
6
mahotsukai 		Feb. 29, 2020
7
ant111 		June 3, 2016
8
bakaiadam 		Jan. 1, 2016
9
ruka 		May 2, 2014
10
snowangel 		March 24, 2013

Most recent rating activity

N Handle Rating
activity
1
ponleur_tita 		July 31, 2024
2
tongmenglay 		Nov. 12, 2022
3
hieng003 		Sept. 9, 2022
4
xyxxyyxyz 		Aug. 24, 2022
5
blue_frog 		March 28, 2021
6
mahotsukai 		Feb. 29, 2020
7
ant111 		June 3, 2016
8
bakaiadam 		Jan. 1, 2016
9
ruka 		May 2, 2014
10
snowangel 		March 24, 2013

Problems

Date Rating Name
Feb. 5, 2025
135 		Time Machine
Feb. 5, 2025
2739 		Forgotten Permutation
Feb. 5, 2025
726 		Small Palindrome
Feb. 5, 2025
1129 		Streak Star
Feb. 5, 2025
1609 		Transform String
Feb. 5, 2025
1969 		AndOr
Feb. 5, 2025
2210 		Tactical Removal
Feb. 5, 2025
2742 		Binary Trisection
Jan. 29, 2025
166 		Squid Game - Piggy Bank
Jan. 29, 2025
1436 		White Wall
more

Problem rating distribution

Past contests

End
Time
 Contest
Feb. 5, 2025 Starters 172 (Rated till 5 stars)
Jan. 29, 2025 Starters 171 (Rated till 5 stars)
Jan. 22, 2025 Starters 170 (Rated till 6 star)
Jan. 15, 2025 Starters 169 (Rated till 5 stars)
Jan. 8, 2025 Starters 168 (Rated till 6 stars)
Jan. 1, 2025 Starters 167 (Rated till 5 stars)
Dec. 25, 2024 Starters 166 (Rated till 5 stars)
Dec. 18, 2024 Starters 165 (Rated till 6 stars)
Dec. 11, 2024 Starters 164 (Rated till 5 stars)
Dec. 4, 2024 Starters 163 (Rated till 5 stars)
more

Coming contests

Start
Time
 Contest
tomorrow Starters 173 (Rated upto < 2700)
Feb. 19, 2025 Starters 174
Feb. 26, 2025 Starters 175
March 5, 2025 Starters 176
March 12, 2025 Starters 177
March 19, 2025 Starters 178
March 26, 2025 Starters 179
April 2, 2025 Starters 180
April 9, 2025 Starters 181
April 16, 2025 Starters 182
more