Opener Lab
Compare SPIKY
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How SPIKY performs
Played first, SPIKY removes about 86.9% of the possible-answer list on average and scores 4.08 bits of information. Its first-turn information ranks #10,900 out of 14,855 Wordle guesses tested. Roughly 39% of the time at least one letter lands in the right spot.
Tried against 1,858 past Wordle answers, SPIKY left an average of 323 possible answers standing after the first guess. Its largest group in that replay came on July 19, 2026, when the answer was CHURN and 745 candidates survived.
First-guess odds
| Outcome | SPIKY |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 39.0% |
| Any green or yellow | 68.4% |
| Whole row gray | 31.6% |
| Worst case answers left | 745 |
*Treating every word in the possible-answer list as equally likely.