AdventOfCode'2021 Custom Leaderboard


This is a version of a leaderboard which counts only a time between receiving first and second star (only compares time spend on a task number two in any certain day).
The leaderboard therefore is not connected to the time participants started their first task, which makes it possible to get places even if you can not start at midnight EST.

This leaderboard differentiate between participants who solve tasks using their own coding and problem-solving skills and those who rely heavily on AI tools for rapid automated solutions. While the latter group is excluded from this leaderboard by default, their results can still be viewed via a provided link.



[show heavy AI users]

YEARS: 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025



Last Updated: 2025-12-21 06:56:24 (updates once in 15m)

#1 (498) =====> anight (50*)
#2 (40) =====> Stanislav Yaglo (4*)
#3 (36) =====> yabalaban (5*)

Day 25:


#1 anight +20 (t2 solved 9 days 03:02:21 after t1 on 2022-01-12 15:38:59)

Day 24:


#1 anight +20 (t2 solved 0 days 16:29:14 after t1 on 2022-01-02 03:44:43)

Day 23:


#1 anight +20 (t2 solved 0 days 00:18:27 after t1 on 2021-12-31 02:30:32)

Day 22:


#1 anight +20 (t2 solved 19 days 09:00:33 after t1 on 2022-01-12 15:38:23)

Day 21:


#1 anight +20 (t2 solved 0 days 02:35:15 after t1 on 2021-12-24 01:40:14)

Day 20:


#1 anight +20 (t2 solved 0 days 00:09:57 after t1 on 2021-12-23 16:27:22)

Day 19:


#1 anight +20 (t2 solved 0 days 00:05:24 after t1 on 2021-12-23 03:26:50)

Day 18:


#1 anight +20 (t2 solved 0 days 00:54:53 after t1 on 2021-12-21 06:55:54)

Day 17:


#1 anight +20 (t2 solved 0 days 00:08:10 after t1 on 2021-12-17 06:19:47)

Day 16:


#1 anight +20 (t2 solved 0 days 00:10:12 after t1 on 2021-12-17 05:41:46)

Day 15:


#1 anight +20 (t2 solved 0 days 01:29:09 after t1 on 2021-12-17 04:34:49)

Day 14:


#1 anight +20 (t2 solved 0 days 00:34:50 after t1 on 2021-12-16 08:23:36)

Day 13:


#1 anight +20 (t2 solved 0 days 00:02:48 after t1 on 2021-12-16 07:33:00)

Day 12:


#1 anight +20 (t2 solved 0 days 01:20:55 after t1 on 2021-12-16 07:06:18)

Day 11:


#1 anight +20 (t2 solved 0 days 00:03:19 after t1 on 2021-12-16 05:18:02)

Day 10:


#1 anight +20 (t2 solved 0 days 00:12:28 after t1 on 2021-12-15 21:36:45)

Day 9:


#1 anight +20 (t2 solved 0 days 00:31:40 after t1 on 2021-12-15 08:34:07)

Day 8:


#1 anight +20 (t2 solved 0 days 01:05:14 after t1 on 2021-12-15 07:11:52)

Day 7:


#1 anight +20 (t2 solved 0 days 00:16:07 after t1 on 2021-12-15 05:47:54)

Day 6:


#1 anight +20 (t2 solved 0 days 00:11:49 after t1 on 2021-12-15 05:20:03)

Day 5:


#1 anight +20 (t2 solved 0 days 00:39:00 after t1 on 2021-12-13 03:51:41)

Day 4:


#1 anight +20 (t2 solved 0 days 00:12:57 after t1 on 2021-12-13 02:44:14)

Day 3:


#1 anight +20 (t2 solved 0 days 16:48:13 after t1 on 2021-12-13 01:01:25)

Day 2:


#1 Stanislav Yaglo +20 (t2 solved 0 days 00:02:19 after t1 on 2024-12-04 18:09:00)
#2 anight +19 (t2 solved 0 days 00:02:56 after t1 on 2021-12-12 07:44:59)
#3 yabalaban +18 (t2 solved 0 days 00:03:29 after t1 on 2021-12-12 21:02:06)

Day 1:


#1 Stanislav Yaglo +20 (t2 solved 0 days 00:05:00 after t1 on 2024-12-04 17:56:57)
#2 anight +19 (t2 solved 0 days 00:19:10 after t1 on 2021-12-12 07:33:25)
#3 yabalaban +18 (t2 solved 0 days 00:59:27 after t1 on 2021-12-12 20:36:45)