Opener Lab

Compare DELFS

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DELFS C
91.9%
of words eliminated

How DELFS performs

Played first, DELFS removes about 91.9% of the possible-answer list on average and scores 4.49 bits of information. Its first-turn information ranks #7,260 out of 14,855 Wordle guesses tested. It is not on the possible-answer list, but it can still be useful because of the feedback groups it creates.

Tried against 1,858 past Wordle answers, DELFS left an average of 191 possible answers standing after the first guess. Its largest group in that replay came on July 19, 2026, when the answer was CHURN and 447 candidates survived.

First-guess odds

OutcomeDELFS
First-turn solve*0%
At least one green20.7%
Any green or yellow81.0%
Whole row gray19.0%
Worst case answers left447

*Treating every word in the possible-answer list as equally likely.