Opener Lab
Compare CHESS
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How CHESS performs
Played first, CHESS removes about 87.1% of the possible-answer list on average and scores 4.03 bits of information. Its first-turn information ranks #11,334 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, CHESS left an average of 302 possible answers standing after the first guess. Its largest group in that replay came on July 11, 2026, when the answer was AVIAN and 596 candidates survived.
First-guess odds
| Outcome | CHESS |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 25.1% |
| Any green or yellow | 74.7% |
| Whole row gray | 25.3% |
| Worst case answers left | 596 |
*Treating every word in the possible-answer list as equally likely.