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Open-weight model

flymate-chess

by Chirag Patnaik naklitechie/flymate-chess

Browser bundle of a chess-playing fruit-fly connectome — the complete FlyWire FAFB v783 brain (138,639 neurons, 15,091,983 synapses, wiring and excitatory/inhibitory signs frozen) with a learned encoder, one positive gain per synapse, per-neuron homeostasis…

Parameters
Context
Weights159.2 MB
Licenseother
AccessOpen weights
Monthly Downloads

Model Card

Browser bundle of a chess-playing fruit-fly connectome — the complete FlyWire FAFB v783 brain (138,639 neurons, 15,091,983 synapses, wiring and excitatory/inhibitory signs frozen) with a learned encoder, one positive gain per synapse, per-neuron homeostasis, and a decoder, trained on Stockfish-annotated Lichess positions. Recovers Stockfish's top move 28.3% of the time on held-out positions (ChessFly, the original recipe by Maxime Labonne: 30.4%). Play it: https://flymate.naklitechie.com · code: https://github.com/NakliTechie/flymate Files are raw little-endian arrays consumed by the page's WebGPU kernels; meta.json carries shapes, the 1968-move vocabulary and torch reference outputs for…

Excerpt from the card by Chirag Patnaik, licensed other.

Identity and Version

Repository
naklitechie/flymate-chess
Publisher
Chirag Patnaik
Task
Not stated by the source
Modality
Other
Library
Not stated by the source
Parameters
Not stated by the source
Languages
Not stated by the source
Revision
b5082bc13408068880320dd910d7b7f468533eed
First published
2026-09-18
Last updated
2026-09-18

Files and Weights

13 files, 159.2 MB in total. The weights are 10 files totalling 159.2 MB in bin.

Weights10 files · 159.2 MB
Configuration1 file · 17.4 KB
Documentation1 file · 966 B
Repository1 file · 1.5 KB
Every file
FileTypeSizeSHA-256
decoder.binWeights42.7 MB 4234f279e355
edges.idx.binWeights60.4 MB d8da82f095ba
edges.w.binWeights30.2 MB a486fde6789e
encoder.binWeights17.0 MB 05cafa66539f
heads.binWeights2.1 MB cbb0723c7dd5
indptr.binWeights554.6 KB 240956372dbf
input_idx.binWeights43.4 KB 08738d82eb71
pos.binWeights554.6 KB 56c61592b05e
readout_idx.binWeights166.8 KB 6c081c7850d0
step.binWeights5.5 MB 44a69e9fbd34
meta.jsonConfiguration17.4 KB
README.mdDocumentation966 B
.gitattributesRepository1.5 KB

License and Download

License
other
Access
Open weights, no gate
Download size
159.2 MB
Download from Chirag Patnaik

Released by Chirag Patnaik through its official repository on Hugging Face.

Memory Requirements

PrecisionWeights in memory
As published159.2 MB

Weights only, from the published parameter count; the key-value cache and runtime add to this.

Questions About flymate-chess

What license is flymate-chess released under?

other, as its publisher declares it. Read the license text before commercial use.