Opener Lab

Compare DEROS

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DEROS B
95.2%
of words eliminated

How DEROS performs

Played first, DEROS removes about 95.2% of the possible-answer list on average and scores 5.16 bits of information. Its first-turn information ranks #1,414 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, DEROS left an average of 113 possible answers standing after the first guess. Its largest group in that replay came on July 12, 2026, when the answer was CLACK and 306 candidates survived.

First-guess odds

OutcomeDEROS
First-turn solve*0%
At least one green25.6%
Any green or yellow87.0%
Whole row gray13.0%
Worst case answers left306

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