From 21 to 30 July 2019
Theoretical Problem IChO 2019
Practical Problem IChO 2019
From 6 to 15 July 2017
Theoretical Problem IChO 2017
Practical Problem IChO 2017
From 23 July to 1st August 2016
Theoretical Problem IChO 2016
Practical Problem IChO 2016
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