Introducing WordleBot, the Upshot’s Daily Wordle Companion
April 7, 2022

Introducing WordleBot, the Upshot’s Daily Wordle Companion


WordleBot is a tool that can take your accomplished Wordle and analyze it for you. It provides you with total scores for luck and effectivity on a scale from 0 to 99 and let you know at every flip what, if something, you might have performed in another way — if fixing Wordles in as few steps as doable is your purpose.

It’s very simple. First, play Wordle. Then go to the Wordle Companion, ideally utilizing the identical machine and net browser.

Each Wordle sport begins with considered one of 2,309 doable options because the hidden phrase. At every flip, WordleBot chooses the phrase that can enable it to resolve the sport in as few steps as doable, assuming any of the remaining options are equally possible. It retains doing this till just one answer stays — the precise reply.

Months in the past, earlier than The New York Occasions bought Wordle, we, like many others, started questioning about the most effective beginning phrase. It appeared like an easy mathematical query — but each one that approached the issue appeared to give you a unique reply.

WordleBot began as an try to settle this query as soon as and for all. However alongside the way in which we realized that (a) the reply was extra sophisticated than it appeared; and that (b) we had been extra fascinated by how carefully our guesses matched those who can be chosen by a machine designed to resolve Wordles.

Thus, WordleBot was born.

We hope the bot’s recommendation will assist you consider Wordle extra analytically, which can show you how to get higher at fixing the puzzles in the long term.

As well as, it might function a tiebreaker of kinds for these of you concerned in aggressive textual content chains with family and friends. If a Wordle took you 5 turns however you answered extra effectively than your folks, WordleBot could present some bragging rights. Should you did every little thing proper and had been merely unfortunate, it is going to let you know that too.

We’ll go away it to you to determine which is extra essential.

WordleBot solves the two,309 doable Wordles utilizing the fewest variety of guesses when it begins with CRANE in regular mode and DEALT in “onerous mode.”

This will shock some readers, who’ve seen, in varied locations throughout the web, folks declare that phrases like IRATE, SALET or RAISE are the most effective openers. The reality is that it relies upon precisely the way you’re enjoying and whether or not you’re a human or a pc.

The assorted Wordle algorithms all take barely totally different approaches in how they clear up the puzzle. Some begin with information of the answer record; others don’t. Some enable any of the virtually 13,000 five-letter English phrases as legitimate guesses; others (like WordleBot) use a smaller set. We restricted WordleBot to about 4,500 phrases which are extra widespread amongst English audio system — it didn’t appear notably useful for a bit of software program to suggest phrases like VOEMA, CUSSO, SKATT or ZEBUB.

Aside from all that, it’s value noting that the proper opening phrase for a pc isn’t essentially the proper opening phrase for you. WordleBot has good information of the two,309 options saved in its reminiscence. It’s possible that you don’t. So whereas the bot would possibly know the exact optimum path to take from a given guess, it’s doable that you simply won’t and {that a} totally different guess can be extra prone to lead you to the reply.

Extra essential, until you’re enjoying in onerous mode, each sport of Wordle is solvable no matter which phrase you select first. So go forward, begin with FUZZY, we received’t cease you. (And notice: WordleBot ignores your first guess when calculating your total effectivity rating. Be free.)

No. WordleBot won’t ever analyze an incomplete or unsolved sport; it provides you with recommendation just for accomplished Wordles.

By default, it is going to analyze whichever Wordle you’ve accomplished most just lately in your machine, when you’ve got cookies enabled in your net browser. However you too can add a screenshot of any accomplished Wordle — even when it’s from months in the past, supplied you’ve saved the screenshot — and it’ll analyze that for you as an alternative.

No. It is aware of what the complete record of options are, however nothing extra. It additionally doesn’t know whether or not a Wordle answer has already been used.

No. The bot solves all Wordles in six turns or fewer.

Sure. The bot will give recommendation in your Wordle nevertheless you play. However onerous mode presents a problem.

It complicates issues from a computational perspective: Whereas eliminating the most important variety of options with every guess is a tempting method, it isn’t at all times the most effective thought. WordleBot must suppose a number of steps upfront to guarantee that it’s eliminating options now and received’t get caught in a dropping place later.

For contemporary computer systems, this extra complexity is nothing to fret about, however we’re considerably constrained by the computing energy of some smartphones and the period of time we are able to fairly anticipate you to attend for the bot’s evaluation to load.

Consequently, we did should make some small shortcuts for the bot to investigate video games in onerous mode. Particularly, it’s not at all times the most effective at understanding when it is perhaps stumbling right into a state of affairs the place there are extra doable options than there are legitimate guesses remaining to distinguish them. In some instances, different guesses may need averted these onerous mode traps.

All this implies is that the model of WordleBot that’s powered by a supercomputer would most likely differ barely from the model that runs in your telephone, however the variations are largely minor and we don’t counsel worrying about them.

No. It does all of its calculations on demand, in your smartphone or pc.

Completely. It’s onerous to resolve extra effectively than the bot, however fairly simple to be luckier.


No. It could change the way you play Wordle, however it’s utterly unbiased of Wordle itself.

An effectivity of 99 is the rating WordleBot assigns to its chosen phrase at any given step. In its view, that is probably the most environment friendly option to make to resolve the puzzle in as few guesses as doable, averaged over all doable remaining options.

An effectivity of zero is what you get should you simply skipped a flip altogether. (Whereas it’s unimaginable to truly skip a flip in Wordle, you will get the identical impact by guessing a phrase you’ve already guessed: You lose a flip and also you don’t be taught something new in regards to the doable answer.)

Your effectivity rating measures how shut you had been to the bot’s chosen phrase relative to the worst phrase you might have picked for that flip.

Suppose, for instance, you guess CRANE in your first flip. The most effective factor that might occur can be if the hidden phrase had been truly CRANE — you’d clear up the Wordle in a single guess. That’s clearly very fortunate.

The worst end result can be 5 grey squares; you’d be left with 263 doable options to sift via. Contemplating that 89 % of the options share at the least one letter with CRANE, that end result can be very unfortunate, regardless of a strategically sound alternative.

Our luck measurements signify how sudden the outcomes of your guesses are, conditional on what we’d anticipate, on common, given what we all know in regards to the answer at the moment.

Possibly you’re acquainted with the sport Guess Who, a well-liked two-person board sport during which gamers use yes-or-no inquiries to attempt to guess the id of their opponent’s hidden character. A guess like “does your particular person put on glasses?” divides the remaining prospects into two teams: individuals who put on glasses and individuals who don’t. You get just one piece of knowledge with every guess.

It’s related with Wordle, however guesses can reveal rather more data: Every letter of every guess can flip inexperienced, yellow or grey. Which means a guess might theoretically divide options into as much as 243 totally different teams (three to the fifth energy, or 3^5, for the mathematically inclined). Realistically, as a result of not each mixture of letters is a legitimate phrase in English, a guess can divide options into 150 totally different teams at most, discovered by guessing TRACE on the opening guess.

Normally, as a solver, you need your guesses to divide the doable options into as many teams as doable.

Right here’s an instance. Suppose, along with your earlier guesses, you’ve narrowed the doable options to 5: BATCH, CATCH, LATCH, MATCH or PATCH. What must you guess subsequent?

Should you guess BATCH, you’ll divide the remaining options into two teams:

If the hidden phrase is BATCH, nice! But when it isn’t — which is the extra possible final result — you’re caught with 4 doable options.

A wiser guess would divide these teams extra effectively, placing you able to resolve the puzzle no matter luck. Right here, WordleBot would guess BLIMP. See how that adjustments the image:

With this method, you divide the options into 5 teams of 1 phrase every. You’d be assured to get the reply in your subsequent flip!

When Josh Wardle created Wordle, he and his accomplice, Palak Shah, picked a subset of the roughly 13,000 legitimate five-letter English phrases to be potential options, which means that many guesses, whereas completely enough phrases in English, should not Wordle options. (Many plural types of nouns, for instance, are excluded from the options record.) WordleBot is aware of the complete options record, and should you guess a phrase that isn’t on it, it is going to let you know.

It could be since you’re utilizing a unique net browser to play Wordle than you might be in utilizing the Wordle companion. (Whenever you full a day’s Wordle, your guesses and preferences are saved in a small file in your machine referred to as a “cookie,” and the knowledge in that cookie just isn’t, for the time being, saved throughout totally different gadgets or browsers.) So you’ll be able to both be certain that to make use of WordleBot on the identical machine you play Wordle on, or add a screenshot of your Wordle to WordleBot as an alternative.

Many mathematicians and programmers have tackled this drawback, however we’d suggest watching Grant Sanderson’s 30-minute video on solving Wordle with information theory.

His (shorter) follow-up video, the place he lands on SALET because the optimum opener, can also be value watching.

We’re at your service. Electronic mail your questions here, or go away them within the feedback.


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