Opener Lab
Compare TONDI
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How TONDI performs
Played first, TONDI removes about 92.5% of the possible-answer list on average and scores 4.75 bits of information. Its first-turn information ranks #4,652 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, TONDI left an average of 174 possible answers standing after the first guess. Its largest group in that replay came on July 17, 2026, when the answer was LEGAL and 507 candidates survived.
First-guess odds
| Outcome | TONDI |
|---|---|
| First-turn solve* | 0% |
| At least one green | 24.9% |
| Any green or yellow | 78.5% |
| Whole row gray | 21.5% |
| Worst case answers left | 507 |
*Treating every word in the possible-answer list as equally likely.