Opener Lab
Compare DATUM
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How DATUM performs
Played first, DATUM removes about 91.5% of the possible-answer list on average and scores 4.52 bits of information. Its first-turn information ranks #6,928 out of 14,855 Wordle guesses tested. Roughly 25% of the time at least one letter lands in the right spot.
Tried against 1,858 past Wordle answers, DATUM left an average of 199 possible answers standing after the first guess. Its largest group in that replay came on July 7, 2026, when the answer was SLING and 511 candidates survived. It has been the daily answer once.
First-guess odds
| Outcome | DATUM |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 25.1% |
| Any green or yellow | 78.3% |
| Whole row gray | 21.7% |
| Worst case answers left | 511 |
*Treating every word in the possible-answer list as equally likely.