Opener Lab
Compare SECCO
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How SECCO performs
Played first, SECCO removes about 91.6% of the possible-answer list on average and scores 4.35 bits of information. Its first-turn information ranks #8,701 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, SECCO left an average of 198 possible answers standing after the first guess. Its largest group in that replay came on July 11, 2026, when the answer was AVIAN and 399 candidates survived.
First-guess odds
| Outcome | SECCO |
|---|---|
| First-turn solve* | 0% |
| At least one green | 34.1% |
| Any green or yellow | 83.1% |
| Whole row gray | 16.9% |
| Worst case answers left | 399 |
*Treating every word in the possible-answer list as equally likely.