Opener Lab
Compare REBUS
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How REBUS performs
Played first, REBUS removes about 93.4% of the possible-answer list on average and scores 4.71 bits of information. Roughly 19% of the time at least one letter lands in the right spot.
Tried against 1,859 past Wordle answers, REBUS left an average of 158 possible answers standing after the first guess. Its largest group in that replay came on July 12, 2026, when the answer was CLACK and 372 candidates survived. It has been the daily answer once.
First-guess odds
| Outcome | REBUS |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 19.0% |
| Any green or yellow | 84.2% |
| Whole row gray | 15.8% |
| Worst case answers left | 372 |
*Treating every word in the possible-answer list as equally likely.