Problems of the first and the second rounds:

• informatics - round 1, round 2, both rounds on codeforces;
• mathematics - round 1, round 2;
• physics - experimental round: problems, equipment; theoretical round: problem 1, problem 2, problem 3;
• chemistry - experimental round, theoretical round;
• blitz contest tasks.

Solutions of the first and the second rounds:

• informatics - tutorial;
• mathematics - round 1, round 2;
• physics - experimental round: solution, marking scheme, theoretical: problem 1, problem 2, problem 3;
• chemistry - experimental round, theoretical round;
• blitz-contest: answers, order and subjects of the tasks, solutions: chemistry, informatics, mathematics, physics.