Opener Lab
Compare HEIAU
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How HEIAU performs
Played first, HEIAU removes about 95.1% of the possible-answer list on average and scores 4.93 bits of information. Its first-turn information ranks #2,977 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, HEIAU left an average of 114 possible answers standing after the first guess. Its largest group in that replay came on July 12, 2026, when the answer was CLACK and 250 candidates survived.
First-guess odds
| Outcome | HEIAU |
|---|---|
| First-turn solve* | 0% |
| At least one green | 29.3% |
| Any green or yellow | 93.6% |
| Whole row gray | 6.4% |
| Worst case answers left | 250 |
*Treating every word in the possible-answer list as equally likely.