Opener Lab
Compare TETHS
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How TETHS performs
Played first, TETHS removes about 89.6% of the possible-answer list on average and scores 4.23 bits of information. Its first-turn information ranks #9,728 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, TETHS left an average of 244 possible answers standing after the first guess. Its largest group in that replay came on July 22, 2026, when the answer was LORRY and 545 candidates survived.
First-guess odds
| Outcome | TETHS |
|---|---|
| First-turn solve* | 0% |
| At least one green | 22.5% |
| Any green or yellow | 76.9% |
| Whole row gray | 23.1% |
| Worst case answers left | 545 |
*Treating every word in the possible-answer list as equally likely.