Start of the qual­i­fy­ing round

First round will last until Octo­ber 21. Here are the problems:

• Prob­lems of the first round (Eng­lish)
• Prob­lems of the first round (Esper­anto)
• Prob­lems of the first round (Romani­an)
• Prob­lems of the first round (Hebrew)
• Prob­lems of the first round (Geor­gi­an)
• Prob­lems of the first round (French)
• Prob­lems of the first round (Finnish)
• Prob­lems of the first round (Span­ish)