We will hold <a href="https://atcoder.jp/contests/abc288">Toyota Programming Contest 2023 Spring Qual A（AtCoder Beginner Contest 288）</a>. - Contest URL: https://atcoder.jp/contests/abc288 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230204T2100&p1=248 - Duration: 100 minutes - Number of Tasks: 8 - Writer: <a href="/users/leaf1415" class="username"><span class="user-orange">leaf1415</span></a>, <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/cn449" class="username"><span class="user-red">cn449</span></a>, <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/chokudai" class="username"><span class="user-red">chokudai</span></a>, <a href="/users/nok0" class="username"><span class="user-orange">nok0</span></a>, <a href="/users/PCTprobability" class="username"><span class="user-orange">PCTprobability</span></a>, <a href="/users/m_99" class="username"><span class="user-orange">m_99</span></a> - Tester: <a href="/users/kyopro_friends" class="username"><span class="user-orange">kyopro_friends</span></a>, <a href="/users/mechanicalpenciI" class="username"><span class="user-orange">mechanicalpenciI</span></a> - Rated range: ~ 1999 The point values will be 100-200-300-400-500-500-600-600. Since this contest is used as a qualification round for a local event, the style of problems is modified a bit. - Up to task C is usual. - (the style of tasks D-Ex in this contest) is between (the style of tasks D-Ex in usual ABC) and (the style of earlier tasks in usual ARC). - Tasks in the middle of this contest are slightly harder than usual. Later tasks are not too difficult. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/arc155">AtCoder Regular Contest 155</a>. - Contest URL: https://atcoder.jp/contests/arc155 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230129T2100&p1=248 - Duration: 120 minutes - Number of Tasks: 6 - Writer: <a href="/users/chinerist" class="username"><span class="user-orange">chinerist</span></a> - Tester: <img src="//img.atcoder.jp/assets/icon/crown_silver.png"> <a href="/users/tatyam" class="username"><span style="color:#FF6040;">tatyam</span></a>, <a href="/users/satashun" class="username"><span class="user-red">satashun</span></a> - Rated range: ~ 2799 The point values will be 400-500-700-800-900-1000. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc287">UNIQUE VISION Programming Contest 2023 New Year (AtCoder Beginner Contest 287)</a>. - Contest URL: https://atcoder.jp/contests/abc287 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230128T2100&p1=248 - Duration: 100 minutes - Number of Tasks: 8 - Writer: <a href="/users/KoD" class="username"><span class="user-red">KoD</span></a>, <a href="/users/m_99" class="username"><span class="user-orange">m_99</span></a>, <a href="/users/PCTprobability" class="username"><span class="user-orange">PCTprobability</span></a>, <a href="/users/kyopro_friends" class="username"><span class="user-orange">kyopro_friends</span></a>, <a href="/users/nok0" class="username"><span class="user-orange">nok0</span></a> - Tester: <a href="/users/yuto1115" class="username"><span class="user-red">yuto1115</span></a>, <a href="/users/physics0523" class="username"><span class="user-orange">physics0523</span></a> - Rated range: ~ 1999 The point values will be 100-200-300-400-500-500-600-600. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/ahc017">THIRD PROGRAMMING CONTEST 2022（AtCoder Heuristic Contest 017）</a>. - Contest URL: https://atcoder.jp/contests/ahc017 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230128T1200&p1=248 - Duration: 8 days - Writer: <a href="/users/wata_admin" class="username"><span class="user-unrated">wata_admin</span></a> - Rated range: All (Heuristic Rating) The goal of AHC is to create a better solution to a problem for which it is difficult to find the optimal solution. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/arc154">AtCoder Regular Contest 154</a>. - Contest URL: https://atcoder.jp/contests/arc154 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230122T2100&p1=248 - Duration: 120 minutes - Number of Tasks: 6 - Writer: <a href="/users/PCTprobability" class="username"><span class="user-orange">PCTprobability</span></a> - Tester: <img src="//img.atcoder.jp/assets/icon/crown_silver.png"> <a href="/users/tatyam" class="username"><span style="color:#FF6040;">tatyam</span></a>, <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/maspy" class="username"><span class="user-red">maspy</span></a> - Rated range: ~ 2799 The point values will be 300-400-500-700-900-900. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc286">UL Systems Programming Contest 2023(AtCoder Beginner Contest 286)</a>. - Contest URL: https://atcoder.jp/contests/abc286 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230121T2100&p1=248 - Duration: 100 minutes - Number of Tasks: 8 - Writer: <a href="/users/mechanicalpenciI" class="username"><span class="user-orange">mechanicalpenciI</span></a>, <a href="/users/nok0" class="username"><span class="user-orange">nok0</span></a>, <a href="/users/physics0523" class="username"><span class="user-orange">physics0523</span></a>, <a href="/users/kyopro_friends" class="username"><span class="user-orange">kyopro_friends</span></a>, <a href="/users/PCTprobability" class="username"><span class="user-orange">PCTprobability</span></a>, <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/chokudai" class="username"><span class="user-red">chokudai</span></a>, <a href="/users/yuto1115" class="username"><span class="user-red">yuto1115</span></a>, <a href="/users/m_99" class="username"><span class="user-orange">m_99</span></a> - Tester: <a href="/users/MMNMM" class="username"><span class="user-yellow">MMNMM</span></a>, <a href="/users/Nyaan" class="username"><span class="user-orange">Nyaan</span></a> - Rated range: ~ 1999 The point values will be 100-200-300-400-500-500-600-600. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/arc153">AtCoder Regular Contest 153</a>. - Contest URL: https://atcoder.jp/contests/arc153 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230114T2100&p1=248 - Duration: 120 minutes - Number of Tasks: 6 - Writer: <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/maspy" class="username"><span class="user-red">maspy</span></a> - Tester: <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/potato167" class="username"><span class="user-red">potato167</span></a>, <a href="/users/satashun" class="username"><span class="user-red">satashun</span></a> - Rated range: ~ 2799 The point values will be 300-500-600-800-800-1000. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc285">AtCoder Beginner Contest 285</a>. - Contest URL: https://atcoder.jp/contests/abc285 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230115T2100&p1=248 - Duration: 100 minutes - Number of Tasks: 8 - Writer: <a href="/users/physics0523" class="username"><span class="user-orange">physics0523</span></a>, <a href="/users/kyopro_friends" class="username"><span class="user-orange">kyopro_friends</span></a>, <a href="/users/yuto1115" class="username"><span class="user-red">yuto1115</span></a>, <a href="/users/m_99" class="username"><span class="user-orange">m_99</span></a> - Tester: <a href="/users/leaf1415" class="username"><span class="user-orange">leaf1415</span></a>, <img src="//img.atcoder.jp/assets/icon/crown_bronze.png"> <a href="/users/cn449" class="username"><span class="user-red">cn449</span></a> - Rated range: ~ 1999 The point values will be 100-200-300-400-500-500-600-600. We are looking forward to your participation!

We will hold <a href="https://atcoder.jp/contests/abc284">AtCoder Beginner Contest 284</a>. - Contest URL: https://atcoder.jp/contests/abc284 - Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20230107T2100&p1=248 - Duration: 100 minutes - Number of Tasks: 8 - Writer: <a href="/users/Nyaan" class="username"><span class="user-orange">Nyaan</span></a>, <a href="/users/yuto1115" class="username"><span class="user-red">yuto1115</span></a> - Tester: <a href="/users/KoD" class="username"><span class="user-red">KoD</span></a>, <a href="/users/m_99" class="username"><span class="user-orange">m_99</span></a> - Rated range: ~ 1999 The point values will be 100-200-300-400-500-500-600-600. We are looking forward to your participation!

We've published the results of the GP30 race of the current and previous seasons. - [Season 2019](https://img.atcoder.jp/file/GP30.html) - [Season 2020](https://img.atcoder.jp/file/gp30/race2020.html) ([CSV Format](https://img.atcoder.jp/file/gp30/race2020.csv)) - [Season 2021](https://img.atcoder.jp/file/gp30/race2021.html) ([CSV Format](https://img.atcoder.jp/file/gp30/race2021.csv)) - [Season 2022](https://img.atcoder.jp/file/gp30/race2022.html) ([CSV Format](https://img.atcoder.jp/file/gp30/race2022.csv)) We are planning to host an onsite WTF in 2023 with the top 8 contestants of each season. We'll announce more details of the Finals once we decide. Above all, congrats to the all Finalists!