Score Measure a Guess
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Enter a wordThe calculator will classify the guess as Excellent, Good, Average, or Poor and suggest stronger alternatives.
What Is Guess Efficiency
Guess efficiency is a practical way to ask whether a Wordle move did enough work.
A Wordle guess is efficient when it removes a large portion of the remaining answer pool while preserving useful follow-up options. The best guesses are not always the words most likely to be correct. Early in a puzzle, a word can be excellent because it splits the answer list into smaller groups and reveals which path to take next.
This calculator estimates efficiency from four signals: unique letter coverage, common-letter frequency, position usefulness, and entropy. The output is not a replacement for full board-aware analysis, because real efficiency changes after every green, yellow, and gray tile. It is a fast way to compare a word before you play it or to understand why some guesses feel stronger than others.
Why Guess Efficiency Matters
Efficient guesses make later turns easier, even when they do not solve immediately.
Wordle gives you only six tries, so every low-information move has a cost. If a guess repeats letters already known to be absent, tests rare letters too early, or ignores obvious candidate groups, the next guess has more repair work to do. Efficient guessing reduces that repair burden. It makes your third and fourth guesses more direct because fewer answers remain plausible.
Efficiency also separates skill from luck. Two players might both solve in four, but one may have used guesses that consistently reduced the candidate pool while the other stumbled into the answer after weak eliminations. Reviewing efficiency after a finished game helps you identify habits that are worth keeping and habits that quietly waste turns.
How Candidate Reduction Works
Candidate reduction measures how much of the answer list a guess is expected to eliminate.
Before the first guess, Wordle has more than two thousand possible answers. A strong opener like SLATE, CRANE, or ROATE can divide that list into many smaller groups. If the feedback pattern is rare, the remaining list may become tiny. If the pattern is common, the guess still should remove enough answers to make the next decision clearer.
Candidate reduction is especially important in the midgame. Once you have a few clues, a good guess should target the remaining families. Sometimes that means testing new letters. Sometimes it means choosing a word that can distinguish a trap group such as _IGHT, _OUND, or _ATCH. The best move is the one that reduces the actual remaining pool, not the one that merely looks good in isolation.
How Information Gain Works
Information gain rewards guesses that create useful feedback patterns.
Information gain is related to entropy. A guess with high information gain has many possible feedback patterns that each narrow the answer space in a meaningful way. That is why balanced words often beat pure vowel words: they test both the vowel core and the consonant frame of the answer.
The calculator estimates information gain from the letters in your word. Words with five unique high-frequency letters, common positions, and a good vowel-consonant mix score well. Words with repeated letters, rare letters, or too many low-value positions score lower. For exact game-state analysis, enter your finished board into Wordle Analyzer and compare the efficiency of each actual move.
Real Examples
The same word can be strong early and weak later depending on what you already know.
| Guess | Efficiency lesson |
|---|---|
| SLATE | Excellent early because it tests S, L, A, T, and E without repeats. |
| CRANE | Excellent balanced opener with strong R, A, N, and E information. |
| ADIEU | Useful for vowel mapping, but weaker candidate reduction because it tests only one consonant. |
| FUZZY | Usually poor early because duplicate Z and rare letters test too narrow a slice of the answer list. |
How To Read The Result Card
The output is designed to tell you what kind of job the guess is doing.
An Excellent rating means the word has the shape of a strong information guess: unique letters, common letters, and a good vowel-consonant mix. A Good rating means the word is playable and likely useful, but it may miss one major letter group or have slightly weaker position value. Average guesses can still be correct, but they are less reliable as information tools. Poor guesses usually repeat letters too early, rely on rare letters, or fail to test enough of the answer space.
Candidate Reduction Score and Information Gain Score should be read together. Candidate reduction estimates the size of the pool you are likely to remove. Information gain estimates how cleanly the feedback pattern separates remaining answers. If those two numbers disagree, the word may be useful only in a specific board state. That is a sign to compare it with the actual clues from your puzzle instead of treating the rating as universal.
Best Guess Efficiency Practices
Use efficiency as a habit, not a rigid rule.
Start with five useful unique letters. On guess two, respond to the board instead of playing a memorized word blindly. If the first guess leaves many candidates, prioritize reduction. If only a few candidates remain, choose a word that separates the trap group or solves directly. In hard mode, make sure every efficient-looking guess is still legal under the clues you have already revealed.
The most common mistake is chasing the answer too early. Guessing a plausible answer on turn two can be correct when the candidate list is small, but it can be wasteful when dozens of answers remain. Another common mistake is repeating gray letters before the endgame. Repeats can be correct later, but early repeats often reduce the amount of new information you collect.
Common Guess Efficiency Mistakes
Most inefficient guesses waste a slot that could have tested a better clue.
The biggest mistake is repeating a gray letter before the endgame. If Wordle has already told you a letter is absent, using it again usually gives no new information. Another common mistake is choosing a word that can be correct but does not separate the remaining candidates. This happens often in trap groups where several answers share four letters. A direct guess might win, but a separating guess may protect your streak better.
Vowel-heavy guessing is another subtle efficiency problem. It feels useful to identify vowels, but Wordle answers are often solved by consonant structure. If you already know A and E are present, playing another vowel-heavy word may not reduce the pool as much as testing S, T, R, L, N, C, or H. Efficient players shift from broad discovery to targeted comparison as soon as the board gives enough structure.
When Efficiency Should Yield To Solving
A lower-efficiency word can be correct when the board is already narrow.
Efficiency is most important when many answers remain. Once the candidate list is small, the best move may be a direct answer attempt even if it does not test the most new letters. For example, if only three plausible words remain and one is clearly most likely, guessing it can be better than playing a broad information word. This is the point where Wordle shifts from exploration to conversion.
The calculator is therefore strongest as an early and midgame comparison tool. Use it to judge whether a word is generally informative, then let the actual board decide whether to keep gathering information or start solving.
Related Wordle Tools
Use this calculator with the full analysis toolkit.
Guess Efficiency FAQs
Quick answers about reading the calculator output.