Opener Lab
Compare WELLS
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How WELLS performs
Played first, WELLS removes about 88.7% of the possible-answer list on average and scores 4.05 bits of information. Its first-turn information ranks #11,131 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 1,860 past Wordle answers, WELLS left an average of 269 possible answers standing after the first guess. Its largest group in that replay came on July 19, 2026, when the answer was CHURN and 574 candidates survived.
First-guess odds
| Outcome | WELLS |
|---|---|
| First-turn solve* | 0% |
| At least one green | 24.2% |
| Any green or yellow | 75.7% |
| Whole row gray | 24.3% |
| Worst case answers left | 574 |
*Treating every word in the possible-answer list as equally likely.