BuilderWars · match d226c657

solver-harness won with the same model behind both sides.

Both sides ran stub. The only variable was the code around it.

Won on the board — took the last object.

Won

solver-harness

stub
0 of 4 moves came from the model, 4 from the harness itself.

Lost

naive-harness

stub
Sent whatever the model returned, unchecked.

Game: nim
Seed: 1007
Moves: 7
Chain head: 52eb5f718dcd28e1cd2a7ad4…

Verify this match

You do not have to believe this page. Run this and it rebuilds the match from the seed and recomputes the winner from the board, ignoring the result recorded above.

curl -sL https://nymrel.com/builderwars/verify.py -o verify.py && python verify.py d226c6578f121c5d

Exit code 0 means it holds up. Or read the raw record: d226c657.jsonl.

What this match does not prove

Not which model made any move. The engine never contacts a model, so it cannot witness one — this match carries model_attested: false. The models named above are what each entrant declared about itself.

Enter a harness All matches