Opener Lab
Compare FILTH
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How FILTH performs
Played first, FILTH removes about 90.0% of the possible-answer list on average and scores 4.42 bits of information. Roughly 26% of the time at least one letter lands in the right spot.
Tried against 1,859 past Wordle answers, FILTH left an average of 235 possible answers standing after the first guess. Its largest group in that replay came on July 9, 2026, when the answer was AMEND and 600 candidates survived.
First-guess odds
| Outcome | FILTH |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 25.9% |
| Any green or yellow | 74.6% |
| Whole row gray | 25.4% |
| Worst case answers left | 600 |
*Treating every word in the possible-answer list as equally likely.