Opener Lab

Compare CUFFO

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79.7%

of words eliminated

Or compare with a top opener:

SLANT A SLART A CARLE A TRACE S ROAST A SLANE A

How CUFFO performs

Played first, CUFFO removes about 79.7% of the possible-answer list on average and scores 3.31 bits of information. Its first-turn information ranks #14,254 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 1,875 past Wordle answers, CUFFO left an average of 475 possible answers standing after the first guess. Its largest group in that replay came on August 6, 2026, when the answer was GRIPE and 941 candidates survived.

First-guess odds

Outcome	CUFFO
First-turn solve*	0%
At least one green	20.3%
Any green or yellow	60.1%
Whole row gray	39.9%
Worst case answers left	941

*Treating every word in the possible-answer list as equally likely.

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Understanding results

Elimination %: How much of the possible-answer list the guess rules out on average.
Avg turns: Average guesses needed by the same solver in games it finished within six.
Win rate: Share of answers the solver finished within six guesses.
Information: First-turn entropy in bits; higher means more informative feedback on average.
Tier: A band for first-turn information only: S is 5.8 bits or more, A 5.4, B 4.8, C 4.0, F below that. It describes the opening row, so a tier A word can still lead the six-turn table below.

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How CUFFO performs

First-guess odds