Opener Lab
Compare XYSTI
Pick a word to compare against.
How XYSTI performs
Played first, XYSTI removes about 87.1% of the possible-answer list on average and scores 3.72 bits of information. Its first-turn information ranks #13,064 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, XYSTI left an average of 314 possible answers standing after the first guess. Its largest group in that replay came on July 19, 2026, when the answer was CHURN and 664 candidates survived.
First-guess odds
| Outcome | XYSTI |
|---|---|
| First-turn solve* | 0% |
| At least one green | 10.0% |
| Any green or yellow | 71.8% |
| Whole row gray | 28.2% |
| Worst case answers left | 664 |
*Treating every word in the possible-answer list as equally likely.