Educational Codeforces Round 63 (rated for Div.2) starts in ~4 hours. Please, join by the link https://codeforces.com/contests/1155

Codeforces Round 554 (Div. 2) starts in ~4 hours. Please, join by the link
https://codeforces.com/contests/1152

Codeforces Round 555 (Div. 3) starts in ~3 hours. Please, join by the link
https://codeforces.com/contests/1157

Codeforces Round 556 (Div. 1 + Div. 2) starts in ~3 hours. Please, join by the link https://codeforces.com/contests/1149,1150

VRt Contest 2019 (marathon) starts in ~4 hours. Please, join by the link
https://codeforces.com/contests/1160

⚡️UPD⚡️
This is not an ordinary round, but a marathon. The contest is unrated and contains a single optimization problem for 2 weeks.

Also VeeRoute presents gifts for participants: top 25 participants will get a VRt T-shirt and the money prizes:
I place — 75 000 RUB (1155 USD)
II place — 50 000 RUB (770 USD)
III place — 25 000 RUB (385 USD)

Educational Codeforces Round 64 (rated for Div.2) starts in ~4 hours. Please, join by the link https://codeforces.com/contests/1156

Also Harbour. Space is pleased to announce a special online test for high school students to take place on May 5th at 15.00 CET Time. Prize: a full tuition waiver to attend the advanced level of the Advanced Technical Track of Tech Scouts (Barcelona).
For more information: https://codeforces.com/blog/entry/66766

Codeforces Round 557 (Div. 1 + Div. 2) [based on Forethought Future Cup - Final Round] starts in ~3.5 hours.

The round is open and rated for everybody, regardless of a division and/or participation in the Elimination Round. We will be glad to see you among the participants!

Please, join by the link https://codeforces.com/contests/1161,1162

Mathforces: Tech Scouts Online Test 2018 (just fun and practice, unofficial, unrated) starts in ~1.5 hour.

Special online test from Harbour Space for high school students, that was offered to candidates a year ago, in 2018.

You will be offered about 20 math questions. Each of them are expected to be solved using math skills. Please try to solve problems without any programming.

Please, join by the link
https://codeforces.com/contests/1164

Hi. There are technical issues with the servers, I'm working on it.

It was fixed ~30 minutes ago.

Codeforces Round 558 (Div. 2) starts in ~3.5 hours. Please, join by the link
https://codeforces.com/contests/1163

Sorry, we have thechnical issues. I'm working on them. Mike Mirzayanov.

The contest is started!

The system looks good now.

Codeforces Round 559 (Div. 1+ Div. 2) starts in ~2 hours. Please, join by the link
https://codeforces.com/contests/1158,1159

Please, use m1.codeforces.com / m2.codeforces.com / m3.codeforces.com

Codeforces Round 560 (Div. 3) starts in ~2 hours. Please, join by the link
https://codeforces.com/contests/1165

Educational Codeforces Round 65 (rated for Div.2) starts in ~3 hours. Please, join by the link https://codeforces.com/contests/1167

Codeforces Round 561 (Div. 2) starts in ~4 hours. Please, join by the link
https://codeforces.com/contests/1166

Codeforces Round 562 (Div. 1+ Div. 2) starts in ~4 hours. Please, join by the link
https://codeforces.com/contests/1168,1169