Opener Lab
Compare CAIRN
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How CAIRN performs
Played first, CAIRN removes about 95.4% of the possible-answer list on average and scores 5.36 bits of information. Its first-turn information ranks #542 out of 14,855 Wordle guesses tested. Roughly 38% of the time at least one letter lands in the right spot.
Tried against 1,858 past Wordle answers, CAIRN left an average of 110 possible answers standing after the first guess. Its largest group in that replay came on July 18, 2026, when the answer was BOOTH and 315 candidates survived.
First-guess odds
| Outcome | CAIRN |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 38.5% |
| Any green or yellow | 86.6% |
| Whole row gray | 13.4% |
| Worst case answers left | 315 |
*Treating every word in the possible-answer list as equally likely.