Opener Lab
Compare BROCK
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How BROCK performs
Played first, BROCK removes about 88.3% of the possible-answer list on average and scores 4.27 bits of information. Its first-turn information ranks #9,384 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, BROCK left an average of 273 possible answers standing after the first guess. Its largest group in that replay came on July 17, 2026, when the answer was LEGAL and 683 candidates survived.
First-guess odds
| Outcome | BROCK |
|---|---|
| First-turn solve* | 0% |
| At least one green | 31.1% |
| Any green or yellow | 71.0% |
| Whole row gray | 29.0% |
| Worst case answers left | 683 |
*Treating every word in the possible-answer list as equally likely.