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chessjev-minilm-v1
gopalanj/chessjev-minilm-v1
chessjev-minilm-v1 is a text classification model from gopalanj. Use it when you need a label for a piece of text. It is set up for pytorch. The card lists the license as apache-2.0.
Chess-specialized one-pass option scorer. MiniLM-L6 encodes a FEN/feature context and each legal-move option; a small attention head returns N logits in one pass (jevlike Choice).
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Repo size
92.1 MB
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Repo makeup
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.pt92.1 MB · 100%
At a glance
- Task
- Text Classification
- Library
- pytorch
- License
- apache-2.0
- Model type
- chessjev-minilm-option
- Access
- Public
- Created
- Sep 18, 2026
- Updated
- Sep 18, 2026
- SHA
- 7436ba01
Try a prompt
Base models
Model card
From the Hugging Face model README
chessjev-minilm-v1
Chess-specialized one-pass option scorer. MiniLM-L6 encodes a FEN/feature context and each legal-move option; a small attention head returns N logits in one pass (jevlike Choice).
This is not TypeSafe Jev. It is not Elo-tested. Do not treat valid accuracy as playing strength.
| Item | Value |
|---|---|
| Architecture | sentence-transformers/all-MiniLM-L6-v2 + option-attention head |
| Teacher | Local Stockfish 19, 40 ms/position |
| Data | 3000 train / 400 valid / 200 test {context, options, label} JSONL |
| Train | Full finetune, Apple M1 MPS, 3 epochs, batch 8, lr 2e-5 |
| Valid teacher-agreement | 0.445 (16-option shortlist; random ≈ 0.06) |
| Valid tactic-agreement | 0.667 (small held-out mate/tactic slice) |
| Code | github.com/gopalanj/chess-jev (MIT) |
| Encoder license | Apache-2.0 (MiniLM). ChessJev training code is MIT. |
Files
model.pt— encoder + option head (MiniLMOptionScorer)config.json— architecture hyperparameters
Use
# from the chess-jev repo
hf download gopalanj/chessjev-minilm-v1 --local-dir checkpoints/chessjev-minilm-v1
PYTHONPATH=src uvicorn chess_jev.server:app --host 127.0.0.1 --port 8765
from pathlib import Path
from chess_jev.minilm import load_minilm
model = load_minilm(Path("model.pt"))
App fallback if this file is missing: chessjev-byte-v1, then the heuristic scorer.
- Task
- Text Classification
- Library
- pytorch
- Type
- chessjev-minilm-option
- License
- apache-2.0
- Created
- Sep 18, 2026
- Updated
- Sep 18, 2026