Usage (transformers.js)

import { pipeline } from "@huggingface/transformers";

const transcriber = await pipeline(
  "automatic-speech-recognition",
  "atamano/whisper-chess-tiny-de",
  { dtype: { encoder_model: "int8", decoder_model_merged: "int8" } }
);

const result = await transcriber(audio, { language: "de", task: "transcribe" });

License — Important

This model is licensed under CC BY-NC-SA 4.0. Summary:

✅ Free to use for personal projects, research, education, and non-commercial demos
✅ Free to share and adapt with attribution and same-license derivatives
❌ Commercial use is NOT permitted without a separate license
❌ Including the model in commercial products, paid services, or competing voice-chess offerings requires explicit written permission

For commercial licensing inquiries: antoine@darksquares.net

The full license text: https://creativecommons.org/licenses/by-nc-sa/4.0/

Training

See github.com/atamano/speakchess for the full training pipeline.

Base: openai/whisper-tiny (39M params, 98% trainable via full fine-tune)
Method: Full fine-tuning + SpecAugment + suppress_tokens whitelist (chess vocab only)
Data: synthetic audio via Edge TTS (multiple accents per language) + augmentation at runtime