Opener Lab
Compare RIFFY
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How RIFFY performs
Played first, RIFFY removes about 84.0% of the possible-answer list on average and scores 3.52 bits of information. Its first-turn information ranks #13,772 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 1,877 past Wordle answers, RIFFY left an average of 388 possible answers standing after the first guess. Its largest group in that replay came on August 2, 2026, when the answer was PENAL and 740 candidates survived.
First-guess odds
| Outcome | RIFFY |
|---|---|
| First-turn solve* | 0% |
| At least one green | 27.4% |
| Any green or yellow | 68.6% |
| Whole row gray | 31.4% |
| Worst case answers left | 740 |
*Treating every word in the possible-answer list as equally likely.