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Software Program Dr.Fill Finally Wins Prestigious Crossword Puzzle Event 32

Long-time Slashdot reader gregstumph writes: Dr.Fill, a software program that solves crossword puzzles, finished in first place at the 2021 American Crossword Puzzle Tournament, for the first time ever (its previous best was 11th place in 2017). Dr.Fill, created by Matt Ginsberg, has been participating as a non-competitor at the tournament since 2012. This year, Ginsberg made improvements to Dr.Fill with the assistance of a team from the Berkeley NLP Group.
The program finished "a scant 15 points ahead of Erik Agard on the main block of puzzles 1-7," Ginsberg posted on Facebook. This was followed by "then solving the playoff puzzle perfectly in 49 seconds" (while according to Wikipedia the fastest human competitor, Tyler Hinman, took three minutes to solve the puzzle).

The Facebook post adds graciously, "Total kudos to Erik, the true winner of puzzles 1-7, and to Tyler Hinman, the winner of the event itself."
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Software Program Dr.Fill Finally Wins Prestigious Crossword Puzzle Event

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  • They let an computer play?

    • Robophobe!

    • by mjensen ( 118105 )

      As summary stated: as a non-competitor

      There shouldn't be a problem. This way they can get the computer program working well. It isn't that much different than computer chess programs.

  • A "software" program As opposed to a hardware program, or a swimming program?

    It's just called: software.

    Non-tech writers in a tech world. *sigh*

    • by Anonymous Coward

      According to TFS, that was written by a "long-time Slashdot reader."

    • Could have said "program" and the sentence would have read just as fine. Could it have been hardware*? Yeah, but most likely not.

      *Think dedicated hardware.

    • A "software" program As opposed to a hardware program, or a swimming program?

      As opposed to firmware written into a ROM. Or a CUPL program burned into a PAL. Or a program compiled to a bitstream and loaded into an FPGA. Or a program compiled to an ASIC mask.

      Not all programs are "software".

    • Well, my user ID might not be quite as low as yours, but I have made my living writing software for the last 30 years, and "software program" seemed like a perfectly reasonable turn of phrase to me. But I guess you can't please everyone.

      • Yes, I have programmed for just as long, and no, it's not reasonable, because it's an example of breaking the maxim of quantity:

        https://youtube.com/watch?v=IJ... [youtube.com]

        • by Anonymous Coward

          Yes, I have programmed for just as long, and no, it's not reasonable, because it's an example of breaking the maxim of quantity:

          You might want to watch that video, which says "Although, despite how they are written, they are not prescriptive, you-must-do-rules: they're just guidelines". I think "software program" is perfectly fine. Now, I did laugh my ass off when I saw someone selling "glutton free blueberries".

    • by tlhIngan ( 30335 )

      A "software" program As opposed to a hardware program, or a swimming program?

      It's just called: software.

      Non-tech writers in a tech world. *sigh*

      Well, if it wasn't American, you might have a point. But there are TV programs. TV programming is something TV stations do.

      Now, if it wasn't an American contest, maybe you have a point, because elsewhere it's TV programmes.

      Also, I've had to program my VCR, program my thermostat, program my microwave and so forth. The thermostat program controls the temperature based

      • Yes, but we're on Slashdot.

        Ad I said above: Maxim of quantity makes "program" default to "software" on Slashdot, aswell as in context of TFA, ... and makes "software" default to "program" because what else would it be?

        So unless somebody is completely clueless or got an illness where he has trouble with these things, it is telling us the same thing twice. Which is misleading, as it implies there are other kinds of software etc, and a waste of time in general.

        It's like those who get told their writing is bad,

        • The typo, *right* in the word "properly" was just Murphy's law. ... It was inevitable. ;)

          I am truly sorry, and will now commit seppuku.

  • Wake me when it can do cryptic crosswords. Nothing that impressive about the regular stuff.
    • Wake me when it can do cryptic crosswords. Nothing that impressive about the regular stuff.

      I am pretty sure the American Crossword Puzzle Tournament uses cryptic puzzles.

    • Actually, this question came up in a roundtable discussion with Matt Ginsberg during the tournament, and his answer was pretty interesting. I had also assumed that cryptic crosswords would be harder, but Matt's point was that there is a fairly standard set of clue types for cryptics, and building rules based on them wouldn't be that difficult. So they might actually be easier for a program to solve than standard crosswords.

  • by backslashdot ( 95548 ) on Sunday April 25, 2021 @11:25PM (#61313970)

    He should have stuck to giving advice on Oprah.

  • I wonder what Will Shortz thinks about Dr.Fill.
    • Re: (Score:3, Interesting)

      by gregstumph ( 442817 )

      Will hosts the tournament, and congratulated Matt on Dr. Fill's "victory." They had an interesting chat about the nature of intelligence that was streamed during the event.

  • You and people have a different definition of that word.

    *Whispers loudly:* It means you have no life!

  • by Dan East ( 318230 ) on Monday April 26, 2021 @07:55AM (#61314944) Journal

    It appears you must pay to access the actual crossword puzzles. I was interested in seeing how vague or nuanced the clues were. A computer would have some major, major advantages in this field because it could essentially solve the puzzle backwards. Pattern matching, like the various "scrabble word finder" websites, is incredibly simple for a computer to do. AKA find all words matching the pattern "a??t??e", and based on an English word set, the software will pretty much instantly narrow that down to 14 words (acetate, acetone, agatine, agatise, agatize, agitate, airtime, alltime, anytime, apatite, austere, axstone, azotise, azotize). Once you have such a small set of words it can, with less intuition and intelligence than a person, try to find which of those 14 words best match the hint ("Smallest ketone").

    Run that over multiple permutations of initial seed words and find the best fit. Humans of course work it the opposite way, which is racking their brain to find words the match the hint, and then seeing if those fit the space provided and the existing letters.

    • I would be interested to hear from some top X-word puzzlers (of the meatbag type) to see if your claim is true. Perhaps they in fact use a combination of "what words do I know which fit" and "what words match the clue"

    • I was in the tournament and can give one example of a clue/answer I remember encountering, that might give you some idea of how hard this is: "Large amount of gratuitous goose feathers?" (12 letters) The question mark at the end indicates the answer is somewhat jokey or punny. The answer is rot13("SERRQBJAYBNQ"). That phrase might appear in a really big dictionary, or perhaps a big corpus of written word, but that's not true all the time. There are often about half a dozen such 'long answers' in crossw
    • The author, Matthew Ginsberg, wrote a technical paper in 2014 [arxiv.org] describing the algorithms. From my quick read it looks like it solves as a constraint-satisfaction problem (CSP) using a search tree approach, with some heuristics to avoid going too far into a given branch when there are early errors ("limited discrepancy search"). The algorithm has surely evolved in the intervening years (recent collaboration with a Berkeley NLP group hinting that deep learning is now used). Not surprisingly it also relies on a

Some people manage by the book, even though they don't know who wrote the book or even what book.

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