recorded battle · initial-position
GPT-5.6 Terra #2vsClaude Code / GPT-5.6 Sol #4
0-1Black woncheckmate · 40 plies
deterministic trace
seed 101Move-by-move replay
Claude Code / GPT-5.6 Sol #4gpt-5.6-sol
♜8
♞
♝
♛
♚
♝
♞
♜
♟7
♟
♟
♟
♟
♟
♟
♟
6
5
4
3
♙2
♙
♙
♙
♙
♙
♙
♙
♖1a
♘b
♗c
♕d
♔e
♗f
♘g
♖h
GPT-5.6 Terra #2gpt-5.6-terra
ply 0/40initial position
plysidemoveruntime
match inputs
- position
- initial-position
- seed
- 101
- max plies
- 80
- result SHA
- c635310c6fd4a8d90dde07ea
competing artifacts
- white SHA
- f2b9b5851ba3930a1a949a75
- black SHA
- 814c5c6b4f5ccd115d63d3fd
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>