Request to extend the deadline of Phase 1

ARC White-Box Estimation Challenge 2026
1

Given that the leaderboard was re-evaluated only a few days ago, while new ‘flopscope’ bugs, commits, and PRs are still being reported, and the grader hasn’t yet been updated, we don’t currently know what the real scores are and how the final scores will look like.
Teams will also need some time to test and optimize their solutions once the final ‘flopscope’ version is confirmed for grading phase 1. Considering all of this, could the organizers please extend the deadline for phase 1?

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We are currently finalising a new release of flopscope that addresses many of the concerns raised by the community, including several benchmark loopholes identified through recent submissions. We will share the full details in an upcoming announcement.

We also agree that an extension is warranted. We have therefore decided to extend the Phase 1 deadline by one week. The revised timeline and additional details will be included in the same announcement.

6 Likes
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Ok this is good to know. A change in the deadline is exactly the type of thing that is better to communicate sooner rather than later.

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I just wanted to verify if the submission for Phase 1 will be extended beyond 31st July?

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I read it was I think in the previous forum discussion but I’m not sure the official dates in the rules (and I think I saw a coundown too?). I’m paranoid also, would like a verification as well.

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Hi everyone,

Confirming that Phase 1 deadline will be extended by a week to August 7th until August 10th. Official announcement with more details to follow.

Appreciate your patience in the meantime. :pray:

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Does this imply that the Phase 1 algorithmic-contribution write-up deadline will be extended to August 14th, as well?

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@isaac_wooden : yes, that is correct. until a week after the updated Phase 1 deadline, so August 17th.

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9

Hi,

When should we expect that official announcement you mentioned? More importantly, when are you going to freeze the evaluation setup? Every flopscope update effectively changes the rules of the competition, which is hardly appropriate a few days before the deadline.

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was it extended tho, i still see the submission form open

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@GaganaMD : Yes, it was extended. More details on this post: