General notes

The interim leaderboard for the student test (Test 5) has been updated.

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The interim leaderboard for the student test (Test 5) has been updated.

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Acceptance of submissions for Tests 1-4 is over. We continue to accept submissions for the student test (Test 5).

The deadline for Tests 1-4 remains the same – November 15 23:59:59 GMT.

Huawei will award gifts to student test participants who entered the competition before Nov. 16, but they have lost all or a part of the prize money because their position in the leaderboard has become worse by Nov. 30.

The submission deadline for the student test (Test 5) has been extended until November 30.

Interim leaderboards have been updated. Minor corrections have been made to the reference data for the Zstd and ppmonstr compressors

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Clarification of the rules: the compressor should not store information in filenames or rely on the names of compressed files

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Interim leaderboards have been updated. The next interim update will be final. Some minor corrections to reference data are possible

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Interim leaderboards have been updated

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