Opener Lab
Compare ALTER
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How ALTER performs
Played first, ALTER removes about 96.9% of the possible-answer list on average and scores 5.71 bits of information. Its first-turn information ranks #45 of 14,855 Wordle guesses tested. Roughly 32% of the time at least one letter lands in the right spot.
Tried against 1,858 past Wordle answers, ALTER left an average of 71 possible answers standing after the first guess. Its largest group in that replay came on June 30, 2026, when the answer was PUPPY and 204 candidates survived. It has been the daily answer once.
First-guess odds
| Outcome | ALTER |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 31.8% |
| Any green or yellow | 91.3% |
| Whole row gray | 8.7% |
| Worst case answers left | 204 |
*Treating every word in the possible-answer list as equally likely.