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Fiddler on the Proof

Zach Wissner-Gross
Hundreds of paid subscribers

The place for mathematical puzzles and the puzzling community. Two new puzzles every Friday morning!

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Substack
PricingFreemiumPublishesWeekly
Issues162Founded3 years agoLast Issue29 hours ago
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thefiddler.substack.com
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Latest Issues

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.

29 hours ago
5
6
Paid

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.

8 days ago
9
8
Paid

Can You Sneak Past the Rings?

Three rings with gaps are evenly spaced along a cylinder and rotated around at random angles. Can you find a path down the cylinder that passes through all three gaps?

Welcome to Fiddler on the Proof, the spiritual successor to FiveThirtyE...

15 days ago
9
10
Paid

Can You Win the World Cup?

Your team has made it to the semifinals. Should you go all out in your semifinal match, or should you reserve some energy for the finals (in the hopes you make it there)?

Welcome to Fiddler on the Proof, the spiritual successor to FiveThir...

a month ago
12
25
Paid

Can You Power up the Hill?

In this year’s edition of the Tour de Fiddler, your task is to find the conditions under which a climber and a sprinter will match speeds.

Welcome to Fiddler on the Proof, the spiritual successor to FiveThirtyEight’s The Riddler column.

a month ago
5
21
Paid

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Authors

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  • Zach Wissner-Gross

    Former Puzzle Editor @FiveThirtyEight; VP STEM @Amplify; Co-Founder @SchoolYourself

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