19-23 July 2021, Ventspils, Latvia
May 22nd, 2021

Registration is now closed, Registration page now contains the listĀ of countries that have registered.

Schedule page has been updated with information about the provisional contest times.

Schedule

The IOL 2021 preliminary program

July 19, live at 10:00 EEST, recording at 17:00 EEST - Opening ceremony
July 19, 14:00 EEST - Introduction lecture
July 20 - Individual contest (6-hour window when all participants have to start the contest).  The exact times please see below.
July 21 - Team contest (4-hour window when all participants have to start the contest) ). The exact times please see below.
July 22 - social activities, lectures.  The exact time will be announced after a preliminary registration.
July 23 - social activities, lectures.  The exact time will be announced after a preliminary registration.
July 24, 11:00 EEST - Solution presentation and special awards
July 24, 14:00 EEST - Award and closing ceremony 
 

Information about the contest times:

Each team can decide to write the contest during one of the following times (given in Latvian time, EET/UTC+3).

INDIVIDUAL CONTEST  (July 20)
7:00 - 13:00 (Teams writing in this window will remain invigilated for 2 hours after the contest. They will be allowed to communicate among themselves, eat and drink, but will not be allowed to communicate with anyone outside the contest room.)
9:00 - 15:00
11:00 - 17:00
15:00 - 21:00
 

TEAM CONTEST  (July 21)  
9:00 - 13:00 (Teams writing in this window will remain invigilated for 2 hours after the contest. They will be allowed to communicate among themselves, eat and drink, but will not be allowed to communicate with anyone outside the contest room.)
11:00 - 15:00
15:00 - 19:00