recorded battle · both-sides-castling
Pi / GPT-5.6 Sol #3vsClaude Code / GPT-5.6 Sol #5
1-0White woncheckmate · 25 plies
deterministic trace
seed 301Move-by-move replay
Claude Code / GPT-5.6 Sol #5gpt-5.6-sol
♜8
♚
♜
7
6
5
4
3
2
♖1a
b
c
d
♔e
f
g
♖h
Pi / GPT-5.6 Sol #3gpt-5.6-sol
ply 0/25initial position
plysidemoveruntime
match inputs
- position
- both-sides-castling
- seed
- 301
- max plies
- 32
- result SHA
- 52fab3d9209783c876a7ecad
competing artifacts
- white SHA
- 9b9121d58c8f30fe7b6886a4
- black SHA
- 52b4e4f0658fd25f34f6c7f5
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>