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Show HN: Chess on a Donut/Torus and Deep-Dive

https://mchess.io/donut
13•mannymakes•5d ago
Hey there! I just finished a youtube video explaining our donut chess in detail: https://youtu.be/iRcfHCPFgkM

So I thought it'd be cool to show it off here too- it can be played around with at mchess.io/donut - you can also set up an AI or online game on the site.

This is all indie dev work from a couple friends and myself.

Comments

hazbot•23m ago
It's fun to sit down and draw what the board looks like when you cut and flatten the torus before you watch the video!

Bonus points if you hit upon the other 2D projection that is useful (I didn't)

Why are 38 percent of Stanford students saying they're disabled?

https://reason.com/2025/12/04/why-are-38-percent-of-stanford-students-saying-theyre-disabled/
165•delichon•2h ago•244 comments

Multivox: Volumetric Display

https://github.com/AncientJames/multivox
83•jk_tech•3h ago•11 comments

Transparent leadership beats servant leadership

https://entropicthoughts.com/transparent-leadership-beats-servant-leadership
274•ibobev•6h ago•129 comments

It’s time to free JavaScript (2024)

https://javascript.tm/letter
569•pavelai•11h ago•305 comments

The RAM shortage comes for us all

https://www.jeffgeerling.com/blog/2025/ram-shortage-comes-us-all
145•speckx•59m ago•138 comments

Elites could shape mass preferences as AI reduces persuasion costs

https://arxiv.org/abs/2512.04047
385•50kIters•11h ago•404 comments

PyTogether: Collaborative lightweight real-time Python IDE for teachers/learners

https://github.com/SJRiz/pytogether
21•indigodaddy•2h ago•0 comments

Autism should not be treated as a single condition

https://www.economist.com/science-and-technology/2025/12/03/why-autism-should-not-be-treated-as-a...
104•bookofjoe•3h ago•160 comments

Feynman vs. Computer

https://entropicthoughts.com/feynman-vs-computer
34•cgdl•4h ago•18 comments

Launch HN: Browser Buddy (YC W24) – A recommendation system for Internet writing

https://www.browserbuddy.com/
26•alien0006•3h ago•21 comments

I ignore the spotlight as a staff engineer

https://lalitm.com/software-engineering-outside-the-spotlight/
343•todsacerdoti•8h ago•149 comments

Converge (YC S23) is hiring a martech expert in NYC

https://www.runconverge.com/careers/technical-customer-success-manager
1•janhenr•3h ago

Show HN: Onlyrecipe 2.0 – I added all features HN requested – 4 years later

https://onlyrecipeapp.com/?url=https://www.allrecipes.com/turkish-pasta-recipe-8754903
69•AwkwardPanda•5h ago•60 comments

Hammersmith Bridge – Where did 25,000 vehicles go?

https://nickmaini.substack.com/p/hammersmith-bridge
9•tobr•1h ago•1 comments

Functional Quadtrees

https://lbjgruppen.com/en/posts/functional-quadtree-clojure
96•lbj•6h ago•34 comments

Microsoft drops AI sales targets in half after salespeople miss their quotas

https://arstechnica.com/ai/2025/12/microsoft-slashes-ai-sales-growth-targets-as-customers-resist-...
249•OptionOfT•4h ago•185 comments

Fighting the age-gated internet

https://www.wired.com/story/age-verification-is-sweeping-the-us-activists-are-fighting-back/
87•geox•6h ago•79 comments

A lost Amazon world just reappeared in Bolivia

https://www.frontiersin.org/news/2025/11/06/landscapes-that-remember-indigenous-peoples-thrived-a...
78•ashishgupta2209•3d ago•15 comments

PGlite – Embeddable Postgres

https://pglite.dev/
434•dsego•9h ago•96 comments

Show HN: Chess on a Donut/Torus and Deep-Dive

https://mchess.io/donut
13•mannymakes•5d ago•1 comments

The long wait is over, Ganymede has arrived

https://endeavouros.com/news/the-long-wait-is-over-ganymede-has-arrived/
22•doener•4d ago•25 comments

RAM is so expensive, Samsung won't even sell it to Samsung

https://www.pcworld.com/article/2998935/ram-is-so-expensive-samsung-wont-even-sell-it-to-samsung....
290•sethops1•6h ago•266 comments

Uncloud - Tool for deploying containerised apps across servers without k8s

https://uncloud.run/
309•rgun•14h ago•131 comments

Show HN: MTXT – Music Text Format

https://github.com/Daninet/mtxt
87•daninet•4d ago•32 comments

The differences between an IndyCar and a F1 car

https://www.openwheelworld.net/en/indycar101/76/IndyCar_vs_Formula_1_cars
93•1659447091•3d ago•84 comments

Tunnl.gg

https://tunnl.gg
111•klipitkas•9h ago•71 comments

Bootloader Unlock Wall of Shame

https://github.com/zenfyrdev/bootloader-unlock-wall-of-shame
107•thunderbong•4h ago•45 comments

What Is "Open Recursion"? (2013)

https://journal.stuffwithstuff.com/2013/08/26/what-is-open-recursion/
34•andsoitis•2d ago•6 comments

Show HN: Walrus – a Kafka alternative written in Rust

https://github.com/nubskr/walrus
122•janicerk•3d ago•38 comments

Building optimistic UI in Rails (and learn custom elements)

https://railsdesigner.com/custom-elements/
71•amalinovic•9h ago•10 comments