Opener Lab
Compare THUMB
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How THUMB performs
Played first, THUMB removes about 84.5% of the possible-answer list on average and scores 3.89 bits of information. Roughly 20% of the time at least one letter lands in the right spot.
Tried against 1,859 past Wordle answers, THUMB left an average of 358 possible answers standing after the first guess. Its largest group in that replay came on July 20, 2026, when the answer was DIVER and 834 candidates survived. It has been the daily answer 2 times.
First-guess odds
| Outcome | THUMB |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 20.1% |
| Any green or yellow | 64.6% |
| Whole row gray | 35.4% |
| Worst case answers left | 834 |
*Treating every word in the possible-answer list as equally likely.