Opener Lab
Compare SIEUR
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How SIEUR performs
Played first, SIEUR removes about 96.0% of the possible-answer list on average and scores 5.38 bits of information. Its first-turn information ranks #491 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, SIEUR left an average of 98 possible answers standing after the first guess. Its largest group in that replay came on July 17, 2026, when the answer was LEGAL and 237 candidates survived.
First-guess odds
| Outcome | SIEUR |
|---|---|
| First-turn solve* | 0% |
| At least one green | 38.2% |
| Any green or yellow | 90.3% |
| Whole row gray | 9.7% |
| Worst case answers left | 237 |
*Treating every word in the possible-answer list as equally likely.