Opener Lab
Compare COBRA
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How COBRA performs
Played first, COBRA removes about 93.1% of the possible-answer list on average and scores 4.84 bits of information. Its first-turn information ranks #3,796 out of 14,855 Wordle guesses tested. Roughly 28% of the time at least one letter lands in the right spot.
Tried against 1,858 past Wordle answers, COBRA left an average of 161 possible answers standing after the first guess. Its largest group in that replay came on July 7, 2026, when the answer was SLING and 403 candidates survived.
First-guess odds
| Outcome | COBRA |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 28.5% |
| Any green or yellow | 82.9% |
| Whole row gray | 17.1% |
| Worst case answers left | 403 |
*Treating every word in the possible-answer list as equally likely.