Fiddler on the Proof
Zach Wissner-GrossThe place for mathematical puzzles and the puzzling community. Two new puzzles every Friday morning!
| Platform |  | Pricing | Freemium | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 138 | Subscribers | Read | thefiddler.substack.com |
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How this newsletter ranks in the official Substack charts.
| #125 | |
| #81 |
Latest Issues
Recent posts by this newsletter. Browse the email archive.
Can Every Day Be First?
In 2026, every day of the week is the first day of at least one month. Does this happen every year?
Can the Archers Coordinate?
Two archers must choose from among three targets. If they hit the same target, they win a prize. The catch? They can’t tell each other which target they’re aiming for.
Can You Get the Rover Home?
A rover is navigating a spherical, alien planet along a triangular path. How long must each leg of the triangle be so that the rover finishes where it started?
How Long Is the All-Star Streak?
Many years from now, an all-star team is on a winning streak of at least one game. On average, how long a streak would you expect them to have?
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Authors
The writers behind this newsletter.
Former Puzzle Editor @FiveThirtyEight; VP STEM @Amplify; Co-Founder @SchoolYourself
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