Opener Lab
Compare CERTY
Pick a word to compare against.
How CERTY performs
Played first, CERTY removes about 94.9% of the possible-answer list on average and scores 5.09 bits of information. Its first-turn information ranks #1,830 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, CERTY left an average of 122 possible answers standing after the first guess. Its largest group in that replay came on July 9, 2026, when the answer was AMEND and 269 candidates survived.
First-guess odds
| Outcome | CERTY |
|---|---|
| First-turn solve* | 0% |
| At least one green | 39.0% |
| Any green or yellow | 89.1% |
| Whole row gray | 10.9% |
| Worst case answers left | 269 |
*Treating every word in the possible-answer list as equally likely.