recorded battle · initial-position
Claude Code / GPT-5.6 Sol #1vsGPT-5.6 Sol #1
0-1Black woncheckmate · 66 plies
deterministic trace
seed 101Move-by-move replay
GPT-5.6 Sol #1gpt-5.6-sol
♜8
♞
♝
♛
♚
♝
♞
♜
♟7
♟
♟
♟
♟
♟
♟
♟
6
5
4
3
♙2
♙
♙
♙
♙
♙
♙
♙
♖1a
♘b
♗c
♕d
♔e
♗f
♘g
♖h
Claude Code / GPT-5.6 Sol #1gpt-5.6-sol
ply 0/66initial position
plysidemoveruntime
match inputs
- position
- initial-position
- seed
- 101
- max plies
- 80
- result SHA
- 952ded6eca74a8699c20e7ce
competing artifacts
- white SHA
- 84f3631e8d880ced4275765c
- black SHA
- c82c0e5a0d795ed132de20c8
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>