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Ask HN: Do we need "metadata in source code" syntax that LLMs will never delete?

1•andrewstuart•2m ago•1 comments

Pentagon cutting ties w/ "woke" Harvard, ending military training & fellowships

https://www.cbsnews.com/news/pentagon-says-its-cutting-ties-with-woke-harvard-discontinuing-milit...
2•alephnerd•5m ago•1 comments

Can Quantum-Mechanical Description of Physical Reality Be Considered Complete? [pdf]

https://cds.cern.ch/record/405662/files/PhysRev.47.777.pdf
1•northlondoner•5m ago•1 comments

Kessler Syndrome Has Started [video]

https://www.tiktok.com/@cjtrowbridge/video/7602634355160206623
1•pbradv•8m ago•0 comments

Complex Heterodynes Explained

https://tomverbeure.github.io/2026/02/07/Complex-Heterodyne.html
2•hasheddan•9m ago•0 comments

EVs Are a Failed Experiment

https://spectator.org/evs-are-a-failed-experiment/
2•ArtemZ•20m ago•3 comments

MemAlign: Building Better LLM Judges from Human Feedback with Scalable Memory

https://www.databricks.com/blog/memalign-building-better-llm-judges-human-feedback-scalable-memory
1•superchink•21m ago•0 comments

CCC (Claude's C Compiler) on Compiler Explorer

https://godbolt.org/z/asjc13sa6
2•LiamPowell•23m ago•0 comments

Homeland Security Spying on Reddit Users

https://www.kenklippenstein.com/p/homeland-security-spies-on-reddit
3•duxup•26m ago•0 comments

Actors with Tokio (2021)

https://ryhl.io/blog/actors-with-tokio/
1•vinhnx•27m ago•0 comments

Can graph neural networks for biology realistically run on edge devices?

https://doi.org/10.21203/rs.3.rs-8645211/v1
1•swapinvidya•39m ago•1 comments

Deeper into the shareing of one air conditioner for 2 rooms

1•ozzysnaps•41m ago•0 comments

Weatherman introduces fruit-based authentication system to combat deep fakes

https://www.youtube.com/watch?v=5HVbZwJ9gPE
3•savrajsingh•42m ago•0 comments

Why Embedded Models Must Hallucinate: A Boundary Theory (RCC)

http://www.effacermonexistence.com/rcc-hn-1-1
1•formerOpenAI•44m ago•2 comments

A Curated List of ML System Design Case Studies

https://github.com/Engineer1999/A-Curated-List-of-ML-System-Design-Case-Studies
3•tejonutella•47m ago•0 comments

Pony Alpha: New free 200K context model for coding, reasoning and roleplay

https://ponyalpha.pro
1•qzcanoe•52m ago•1 comments

Show HN: Tunbot – Discord bot for temporary Cloudflare tunnels behind CGNAT

https://github.com/Goofygiraffe06/tunbot
2•g1raffe•54m ago•0 comments

Open Problems in Mechanistic Interpretability

https://arxiv.org/abs/2501.16496
2•vinhnx•1h ago•0 comments

Bye Bye Humanity: The Potential AMOC Collapse

https://thatjoescott.com/2026/02/03/bye-bye-humanity-the-potential-amoc-collapse/
3•rolph•1h ago•0 comments

Dexter: Claude-Code-Style Agent for Financial Statements and Valuation

https://github.com/virattt/dexter
1•Lwrless•1h ago•0 comments

Digital Iris [video]

https://www.youtube.com/watch?v=Kg_2MAgS_pE
1•vermilingua•1h ago•0 comments

Essential CDN: The CDN that lets you do more than JavaScript

https://essentialcdn.fluidity.workers.dev/
1•telui•1h ago•1 comments

They Hijacked Our Tech [video]

https://www.youtube.com/watch?v=-nJM5HvnT5k
2•cedel2k1•1h ago•0 comments

Vouch

https://twitter.com/mitchellh/status/2020252149117313349
37•chwtutha•1h ago•6 comments

HRL Labs in Malibu laying off 1/3 of their workforce

https://www.dailynews.com/2026/02/06/hrl-labs-cuts-376-jobs-in-malibu-after-losing-government-work/
4•osnium123•1h ago•1 comments

Show HN: High-performance bidirectional list for React, React Native, and Vue

https://suhaotian.github.io/broad-infinite-list/
2•jeremy_su•1h ago•0 comments

Show HN: I built a Mac screen recorder Recap.Studio

https://recap.studio/
1•fx31xo•1h ago•1 comments

Ask HN: Codex 5.3 broke toolcalls? Opus 4.6 ignores instructions?

1•kachapopopow•1h ago•0 comments

Vectors and HNSW for Dummies

https://anvitra.ai/blog/vectors-and-hnsw/
1•melvinodsa•1h ago•0 comments

Sanskrit AI beats CleanRL SOTA by 125%

https://huggingface.co/ParamTatva/sanskrit-ppo-hopper-v5/blob/main/docs/blog.md
1•prabhatkr•1h ago•1 comments
Open in hackernews

Show HN: Kings vs. Knight

https://minichessgames.com/#/play/kings-vs-knight
2•patrickdavey•3w ago
This is a play website I built out with my 6 year old to show her that you can also build for the web (not just consume!). The idea was to make a bunch of small mini games (more coming) where you can learn some basic chess strategy. In this game you play a knight vs 3 kings who try to trap you. Try to survive for 15 moves.

Once you get bored of that, there's the classic radioactive pooping knights [1] ;). It's also wrapped up into an app [2] if that's better :)

Very keen for feedback :)

1. https://minichessgames.com/#/play/pooping-knights 2. https://play.google.com/store/apps/details?id=com.minichessg...

Comments

zippyman55•3w ago
Way cool game! Great job, easy to understand.
patrickdavey•3w ago
Thanks :). Did you manage to beat it (first time?) ;)
zippyman55•3w ago
I lost the first game and won the second.
gus_massa•3w ago
After a few tries I won, but the computer made mistakes. What is the AI doing?
patrickdavey•3w ago
It's just a basic minmax. The main mistake it makes is that if it can find an assured path to getting you it doesn't care how many moves in the future it is (even if it could win this turn).

That said, the audience is 6 year olds so I don't really want it to play perfectly!

gus_massa•3w ago
Nice! We made some mathematical games for adults, and we also had the problem to make the computar not play optimal.

I guess when I played your game IIRC in a case the computer could have trapped me but it didn't. Perhaps I had an escape route that I didn't see.

(How is the maximal theoretical length of a game?)

My 9 y.o. daughter likes it, but she wants to play as the Kings too.

patrickdavey•3w ago
Yup, I'm going to build out the reverse play when I find time in the next few weeks hopefully! I'll try to remember to comment here :)

Quite probably you did just run up against a bug in it! I'd have to see the position though.

Great question on the maximal theoretical length. Being pedantic I'd imagine infinite if I just move a knight back and forth and you move a king back and forth. (Though I disallow repeat moves for interests sake)

gus_massa•3w ago
I mean the maximal length if both players play perfectly.

If the Kings advance in the 1)"b", 2) "d" or "e", 3) "g" column in a synchronized way, they form an horizontal wall of 3 ranks that will trap the Knight at the bottom of the board. This takes 5 * 3 to go from "7" to "2" plus 1 movements to take the Knight, so in 5 * 3 +1 = 16 they should win, and the maximal amount of movements for the Knight is also 16.

This use a little of hand waving, so I may be missing some corner case or brilliant strategy for the Knight. I also may be missing some obvious strategy for the Kings to win earlier. So add a few question marks here and there in the provious paragraph.

> I'm going to build out the reverse play when I find time in the next few weeks hopefully!

:)

patrickdavey•2w ago
May well have bugs as I just finished it (and really it should be baked into the UI so you can easily reverse)... however... here is the reverse play:

https://minichessgames.com/#/play/kings-vs-knight

Hope your daughter likes it.