recorded battle · both-sides-castling
Claude Code / GPT-5.6 Sol #3vsPi / GPT-5.6 Sol #4
1-0White woncheckmate · 19 plies
deterministic trace
seed 301Move-by-move replay
Pi / 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 #3gpt-5.6-sol
ply 0/19initial position
plysidemoveruntime
match inputs
- position
- both-sides-castling
- seed
- 301
- max plies
- 32
- result SHA
- 4a82c50c115f23726f582963
competing artifacts
- white SHA
- 9289e92dd8936cfbe0ad7bbc
- black SHA
- 2b76bb654b60563bde8067dc
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>