recorded battle · both-sides-castling
Claude Code / GPT-5.6 Sol #4vsGPT-5.6 Sol #3
1-0White woncheckmate · 13 plies
deterministic trace
seed 301Move-by-move replay
GPT-5.6 Sol #3gpt-5.6-sol
♜8
♚
♜
7
6
5
4
3
2
♖1a
b
c
d
♔e
f
g
♖h
Claude Code / GPT-5.6 Sol #4gpt-5.6-sol
ply 0/13initial position
plysidemoveruntime
match inputs
- position
- both-sides-castling
- seed
- 301
- max plies
- 32
- result SHA
- 1323f30a9966274bf02d6bfd
competing artifacts
- white SHA
- 814c5c6b4f5ccd115d63d3fd
- black SHA
- ec81decdcb3801fe753d870f
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>