Opener Lab

Compare POSOL

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POSOL C
88.1%
of words eliminated

How POSOL performs

Played first, POSOL removes about 88.1% of the possible-answer list on average and scores 4.19 bits of information. Its first-turn information ranks #10,068 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 1,877 past Wordle answers, POSOL left an average of 284 possible answers standing after the first guess. Its largest group in that replay came on August 7, 2026, when the answer was FEIGN and 688 candidates survived.

First-guess odds

OutcomePOSOL
First-turn solve*0%
At least one green30.3%
Any green or yellow70.8%
Whole row gray29.2%
Worst case answers left688

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