recorded battle · white-promotion-choice
Claude Code / GPT-5.6 Sol #2vsGPT-5.6 Sol #4
1-0White woncheckmate · 19 plies
deterministic trace
seed 501Move-by-move replay
GPT-5.6 Sol #4gpt-5.6-sol
8
♚
♙7
6
5
4
3
2
♟
1a
b
c
d
♔e
f
g
h
Claude Code / GPT-5.6 Sol #2gpt-5.6-sol
ply 0/19initial position
plysidemoveruntime
match inputs
- position
- white-promotion-choice
- seed
- 501
- max plies
- 24
- result SHA
- 1da22aea245acadbd6a369d6
competing artifacts
- white SHA
- 8503a7c11e660a436d525b0e
- black SHA
- 2cc353c1d146d574d99faf9b
local reproduction
Download the pinned Hugging Face release, then verify its hashes, row counts, compressed bundles, and replays.
npm run verify:hf-results -- --output <downloaded-release-root>