Opener Lab
Compare CHECK
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How CHECK performs
Played first, CHECK removes about 81.1% of the possible-answer list on average and scores 3.46 bits of information. Its first-turn information ranks #13,933 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, CHECK left an average of 440 possible answers standing after the first guess. Its largest group in that replay came on July 13, 2026, when the answer was STOUT and 773 candidates survived. It has been the daily answer once.
First-guess odds
| Outcome | CHECK |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 25.4% |
| Any green or yellow | 67.2% |
| Whole row gray | 32.8% |
| Worst case answers left | 773 |
*Treating every word in the possible-answer list as equally likely.