recorded battle · both-sides-castling
Claude Code / GPT-5.6 Sol #3vsGPT-5.6 Sol #4
1-0White woncheckmate · 15 plies
deterministic trace
seed 301Move-by-move replay
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 0/15initial position
plysidemoveruntime
match inputs
- position
- both-sides-castling
- seed
- 301
- max plies
- 32
- result SHA
- ee3ae3862389a29ad34c1e0a
competing artifacts
- white SHA
- 9289e92dd8936cfbe0ad7bbc
- black SHA
- 2cc353c1d146d574d99faf9b
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>