The Aporia · Fruit fly beats advanced AI at chess in just 11 moves

Fruit fly beats advanced AI at chess in just 11 moves — and that’s just the start

Read the original at New York Post ↗

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APA MLA Chicago

Galvin, S. (2026, September 19). Fruit fly beats advanced AI at chess in just 11 moves — and that’s just the start. New York Post. https://nypost.com/2026/09/19/us-news/fruit-fly-beats-claude-opus-5-at-chess/

Dated when The Aporia collected the article, usually within hours of publication. Check the original for its exact date and byline.

Quick Summary

Scientists at HHMI Janelia Research in Virginia and Google Research mapped the entire brain of an adult male fruit fly, cataloging 166,000 neurons and 25.6 million connections, which they made available online on September 3rd. This digitized neural network was then used to play chess against a highly advanced AI model; remarkably, the fruit fly's brain achieved checkmate in just 11 moves. Beyond chess, users applied the neural data to create various projects including trading cryptocurrencies and simulating arcade games, showcasing the versatility of mapping biological brains digitally.

Written by AI on 2026-09-19, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

Scientists at HHMI Janelia Research in Virginia and Google Research have mapped all 166,000 neurons and 25.6 million connections in an adult male fruit fly's brain, making the data downloadable online on September 3. This breakthrough has enabled various creative projects: a chess engine powered by the fly’s neural network beat Claude Opus 5, one of the most advanced AI models available, delivering checkmate in just 11 moves. Another project called Stonkfly uses the fly's brain to simulate trading cryptocurrency; it experiences simulated dopamine rushes when profitable trades occur.

Written for “AI Chess Challenge Defeated” on 2026-11-03, grounded in this article and the 0 other(s) covering the same event.

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sentences that state something as happening or true

Uncertain

0 of 14 hedged ("reportedly", "may", "according to")

Leaning

not political

takes no side on a contested political question

Publisher signals

66/100

New York Post's corrections and hedging, across everything collected from it. Not a measure of accuracy.

Outlets on this story

Technology

Same framing elsewhere

articles that frame the event the way this one does

Who wrote this

Shane Galvin

34 article(s) here · 0 carrying a prediction

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Nothing else under this byline is closely related to this article, so these are simply their most recent.

All 34 articles by Shane Galvin →

Claims (14 extracted, 0 hedged)

The lowly fruit fly just beat one of the world’s most advanced AI models at chess. asserted

fly → beat → chess

That’s just one of dozens of wild experiments that have gone viral since scientists fully mapped the neural pathways of an adult male fruit fly — whose entire brain fits on the head of a pin — and posted the data online. asserted

brain → ’ → data

The threshold-crossing technology, achieved by HHMI Janelia Research in Virginia and Google Research, catalogued all 166,000 individual neurons and 25.6 million connections in the fly’s brain and made it downloadable on Sept 3. asserted

it → cross → Sept

Inventive nerds then used the digitized neural network to power and navigate a wide variety of contraptions, apps and games. asserted

nerds → use → contraptions

Creator Maxime Labonne hooked the mapped pathways up to a chess engine and pitted it against Claude Opus 5, which is one of the most advanced AI models on the market. asserted

which → hook → market

The fly delivered a checkmate in just 11 moves. asserted

fly → deliver → moves

One engineer created a project called Stonkfly — giving the entity a $100 portfolio and creating a way for it to trade crypto currency. asserted

it → create → currency

The program simulated dopamine rushes for the fly when it made money on a trade for positive reinforcement. asserted

it → simulate → reinforcement

A Stanford student created a fighting game where she controlled one digital fly and the neural network controlled another digital fruit fly — and battled it in a king-of-the-hill style competition. asserted

network → create → competition

She lost all 12 bouts. asserted

She → lose → bouts

The fly has also hit the casino in a program called FlyJack. asserted

fly → hit → program

One engineer created a blackjack game for the fly-brain bets against a dealer. asserted

engineer → create → dealer

But the fly’s success varies — like all gamblers — each time you run the experiment. asserted

you → vary → experiment

Other users plugged the neural network into a variety of homemade robots, such as animatronic cats, crab-like walkers, and small drones. asserted

users → plug → cats

Fruit fly beats advanced AI at chess in just 11 moves — and that’s just the start

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Claims (14 extracted, 0 hedged)