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Event

16–19 September

Matchstick puzzle: how to correct a mathematical equation

  • Earliest collected report:УНІАН

A new puzzle has emerged online, challenging users to correct a mathematical equation by moving matchsticks. The task requires attention and speed, as users are given only a few seconds to solve it.

In brief

  • Puzzle appeared on September 16, 2026
  • Task involves moving matchsticks
  • Users have 5 seconds to solve
  • Puzzles develop cognitive flexibility
  • Task has attracted interest from many users
Covered by 1 of 6 media groups
  • Budget not in the collected reports
  • Public money not in the collected reports
  • Media business not in the collected reports
  • Big capital 2 sources
  • Readers and grants not in the collected reports
  • Undisclosed not in the collected reports

No newsrooms from these groups in the collected reports: budget, public money, media business, readers and grants, undisclosed.

What are media groups?

Share of reports by media group
GroupShareCount
Big capital
  • Newsroom 3
100%3 items

How we count media groups — Methodology

Who the outlets write for
  • community 0
  • region 0
  • country 2
  • world 0
Channels
  • Websites 1
  • Agencies 2

How we measure speed, distance and channels

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Allow visit statistics? PostHog keeps them (EU servers) under a random browser id — no name, no account; kept for 12 months. Vercel Speed Insights measures page speed, with no id. The site works the same without. Details