The place for mathematical puzzles and the puzzling community. Two new puzzles every Friday morning!
| Platform |  | Pricing | Freemium | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 165 | Founded | 3 years ago | Last Issue | 2 days ago |
| Active | |||||
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Can You Win at Asymmetric Bingo?
You and your opponent have boards of different sizes. Your board is smaller and you get priority, while their board includes every number that can be called. Who’s more likely to win?
Welcome to Fiddler on the Proof, the spiritual successo...
Can You Spell Like a Queen Bee?
In the “Spelling Bee” game from The New York Times, the maximum score isn’t displayed. How often can you figure it out from the scores and ranks that are actually displayed?
Welcome to Fiddler on the Proof, the spiritual successor to FiveT...
How Far Can You Roll?
You attach a light to a wheel. What is the length of the path traversed by the light as the wheel makes one complete revolution?
Welcome to Fiddler on the Proof, the spiritual successor to FiveThirtyEight’s The Riddler column.
Camp Algebra
Welcome to a fiendish numerical triathlon. Can you decode the trophy?
Welcome to Fiddler on the Proof, the spiritual successor to FiveThirtyEight’s The Riddler column.
How Lucky Can a Baseball Team Get?
If teams of equal ability play many games, what’s the best record you’d expect?
Welcome to Fiddler on the Proof, the spiritual successor to FiveThirtyEight’s The Riddler column.
Key Facts
Audience Metrics
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| Subscribers | Engagement | 75 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
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Authors
The writers behind this newsletter.
Former Puzzle Editor @FiveThirtyEight; VP STEM @Amplify; Co-Founder @SchoolYourself
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