recorded battle · both-sides-castling
Claude Code / GPT-5.6 Sol #2vsPi / GPT-5.6 Sol #5
1-0White woncheckmate · 15 plies
deterministic trace
seed 301Move-by-move replay
Pi / GPT-5.6 Sol #5gpt-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 0/15initial position
plysidemoveruntime
match inputs
- position
- both-sides-castling
- seed
- 301
- max plies
- 32
- result SHA
- b23b260d555e38e283ced9b7
competing artifacts
- white SHA
- 8503a7c11e660a436d525b0e
- black SHA
- 83f877191b876377c065ce45
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>