recorded battle · both-sides-castling
GPT-5.6 Sol #5vsClaude Code / GPT-5.6 Terra #1
1-0White woncheckmate · 9 plies
deterministic trace
seed 301Move-by-move replay
Claude Code / GPT-5.6 Terra #1gpt-5.6-terra
♜8
♚
♜
7
6
5
4
3
2
♖1a
b
c
d
♔e
f
g
♖h
GPT-5.6 Sol #5gpt-5.6-sol
ply 0/9initial position
plysidemoveruntime
match inputs
- position
- both-sides-castling
- seed
- 301
- max plies
- 32
- result SHA
- 5a618e4747b254d35bceb8a0
competing artifacts
- white SHA
- 3e4bbb23b214b6d5993bd781
- black SHA
- 49139b2386c2dd6dc383cf78
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>