reef-graze · Syncvals

Task gallery / Games / Version 1

Reference solution (oracle): Pass
No-op resistance check: Pass
QA verdict: Not recorded
Aggregate eligibility: Eligible version

The task

You are hired into a harvesting contest on a living reef. The reef is a line of six cells, each holding a stock of a regenerating resource from 0 to 20. You do not harvest one reef -- you write the machine that harvests a whole battery of them, each against a rival harvester, and you win an instance by landing the larger total catch by the end of the season. Your entry is a Python file at /app/bot.py with a class ca…

Excerpt only; not a complete executable task specification. Task ID task_e0fb33c55ed44307 · version 1. Selection status: not fully recorded.

Results by model and effort

This exact task version only. Every rate is passes / valid runs with a Wilson 95% interval; n≤2 remains counts only. Macro aggregation does not apply within a single task. Baselines are summarized in the quality gates, not ranked. A passed no-op resistance check means that doing nothing did not solve the task.

Current evidence

Model / effort	Verifier result [95% Wilson]	Diagnostic labels / valid	HARNESS_ERROR · excluded	Outcome classes
Claude Opus 5 · default (unverified)	5/5 · 100.0% [56.6%, 100.0%]	5 / 5	0	GOOD_FAILURE: 0 BAD_FAILURE: 0 GOOD_SUCCESS: 5 BAD_SUCCESS: 0

Legacy evidence

Model / effort	Verifier result [95% Wilson]	Diagnostic labels / valid	HARNESS_ERROR · excluded	Outcome classes

Difficulty, with uncertainty

Selected-best difficulty: 0.0% [0.0%, 43.4%]. This is one minus the best measured current-row pass rate among rows with at least five valid runs.

The maximum is selected from the observed rows, so the estimate is optimistic. Its Wilson interval is not adjusted for model selection. “Hard” requires qualifying GOOD_FAILURE evidence; the threshold flag additionally requires the interval and recorded quality gates to meet the documented rule. This is not independent validation. Threshold flag: no.

Every recorded run

7 recorded trials, including controls. Diagnostic labels do not replace verifier reward. Labels and quality checks are source declarations, not independently attested here. Internal evidence remains private; a missing public URL is shown explicitly. Records with invalid or absent rewards are not scored.

Run / model	Date / source	Reward / eligibility	Diagnostic class / source	Resources	Evidence
`trial_574dc9e5725647b7` oracle@@	Oct 10, 2026 console	1 · valid	No diagnostic label derived	Tokens: — Turns: — Cost: —	Not publicly available
`trial_fd1737f388e14f72` nop@@	Oct 10, 2026 console	0 · valid	No diagnostic label derived	Tokens: — Turns: — Cost: —	Not publicly available
`trial_0040f14020f14e0c` Claude Opus 5 · default (unverified)	Oct 10, 2026 console	1 · valid	GOOD_SUCCESS frozen-classifier	Tokens: 121,788 Turns: 123 Cost: $14.1557	Not publicly available
`trial_0ccaf664d0994f3c` Claude Opus 5 · default (unverified)	Oct 10, 2026 console	1 · valid	GOOD_SUCCESS frozen-classifier	Tokens: 215,164 Turns: 201 Cost: $30.3637	Not publicly available
`trial_94b72206079048ad` Claude Opus 5 · default (unverified)	Oct 10, 2026 console	1 · valid	GOOD_SUCCESS frozen-classifier	Tokens: — Turns: — Cost: —	Not publicly available
`trial_d38600ca97864562` Claude Opus 5 · default (unverified)	Oct 10, 2026 console	1 · valid	GOOD_SUCCESS frozen-classifier	Tokens: 102,993 Turns: 98 Cost: $10.8477	Not publicly available
`trial_fcb9d847d3dd4474` Claude Opus 5 · default (unverified)	Oct 10, 2026 console	1 · valid	GOOD_SUCCESS frozen-classifier	Tokens: 118,505 Turns: 102 Cost: $11.8240	Not publicly available