Opener Lab
Compare SPINE
Pick a word to compare against.
How SPINE performs
Played first, SPINE removes about 94.4% of the possible-answer list on average and scores 5.19 bits of information. Its first-turn information ranks #1,243 out of 14,855 Wordle guesses tested. Roughly 42% of the time at least one letter lands in the right spot.
Tried against 1,858 past Wordle answers, SPINE left an average of 134 possible answers standing after the first guess. Its largest group in that replay came on July 18, 2026, when the answer was BOOTH and 363 candidates survived. It has been the daily answer once.
First-guess odds
| Outcome | SPINE |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 41.5% |
| Any green or yellow | 84.6% |
| Whole row gray | 15.4% |
| Worst case answers left | 363 |
*Treating every word in the possible-answer list as equally likely.