Zahlen, bitte! Unsolvable from 5 across — The NYT crossword puzzle debacle

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The New York Times has been printing a crossword puzzle since February 15, 1942. In its 84 years, the puzzle has become something of a gold standard among puzzle enthusiasts and is reprinted under license by over 100 newspapers. The puzzling begins on Monday with a simple crossword that gradually becomes more difficult, reaching its highest level of complexity on Saturday. Sunday features a larger, moderately difficult puzzle that has achieved cult status over the years as a “cultural cornerstone.”

Among the fans of the Sunday puzzle are former US President Bill Clinton, TV host Jon Stewart, and author Norman Mailer. On Sunday, April 19, 2026, a blunder shook the idyllic puzzle world: the New York Times published a puzzle titled “Nuclear Fusion” that was unsolvable in the printed magazine. Those who started at the top left had to give up at 5 across at the latest. Puzzle enthusiasts across the country despaired, with some older individuals even fearing signs of early dementia.

Zahlen, bitte!

In this section, we present amazing, impressive, informative and funny figures ("Zahlen") from the fields of IT, science, art, business, politics and, of course, mathematics every Tuesday. The wordplay "Zahlen, bitte!" for a section about numbers is based on the ambiguity of the German word "Zahlen." On one hand, "Zahlen" can be understood as a noun in the sense of digits and numerical values, which fits the theme of the section. On the other hand, the phrase "Zahlen, bitte!" is reminiscent of a waiter's request in a restaurant or bar when they are asked to bring the bill. Through this association, the section acquires a playful and slightly humorous undertone that catches the readers' attention and makes them curious about the presented numbers and facts.

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System upgrade clouds puzzle joy

The “terrible Sunday” had a very simple cause: the New York Times' computers received an upgrade to their editorial system at the end of the week, much like what happens occasionally at heise online. This went smoothly for the online edition, but not for the grids and boxes of the print version. Here, the wrong grid was printed with the questions. Those who tackled the puzzle online with a tablet could solve it, but the print version in the NYT Magazine was unsolvable.

The editorial team at least managed to print a correct version in Sunday's newspaper edition, but the damage was done. New York Magazine, in its portal “Vulture,” called the blunder an “existential crisis in the crossword community.” For example, it led to a marital dispute where the husband solved the puzzle online while his wife, with pen and paper, had to give up in tears. An insurance broker lamented that his “best hour of the week had been ruined,” while others feared the onset of acute dementia. Concerned questions also appeared on Reddit.

The blunder is considered the first serious error of this magnitude in the history of the New York Times crossword puzzle and is likely to go down in the history of crosswords. Originally, crosswords were rejected by the paper, which even described them as a “primitive form of mental exercise.” According to an article published by the NYT Magazine on the puzzle's 50th anniversary, the stance changed in 1941 after the Japanese attack on Pearl Harbor. A journalist suggested introducing the crossword so that readers could occupy themselves in air-raid shelters during an attack.

Many rules for more puzzle variety

The journalist Margaret Farrar, who wrote under the pseudonym Anna Gram and had already published several puzzle books, was responsible for the soon-to-be popular puzzles. The first NYT puzzle was well-received. Farrar headed the “puzzle corner” until 1969 and established a whole series of rules. Her successors, editors Will Weng and Eugene Maleska, expanded the rulebook to allow for foreign language terms (French, Spanish, Latin) or idioms to be included. A special feature of NYT puzzles is the inclusion of grid boxes that can contain two letters or symbols, such as 'ph' for Triumph and Sophocles in a puzzle themed around 'ph' values.

For the current NYT editor Will Shortz, David J. Kahn constructed the first Schrödinger puzzle in which multiple solutions are possible. However, the crossword by Jeremiah Farell, published on November 5, 1996, for the presidential election, became famous and allowed for both candidates, Bob Dole and (Bill) Clinton, as solutions. In response to this puzzle, David Kahn created the puzzle “Making History” in 2009 for Barack Obama's election victory, in which all US states won by Obama were to be guessed.

Bill Clinton as a puzzle author

While current President Donald Trump is known to dislike crosswords, Bill Clinton is an avid fan of NYT puzzles. Puzzles were always part of his flights on Air Force One, allowing him to switch off. In 2007 and 2017, he created his own puzzles for the New York Times, each with professional assistance.

The blunder with the Sunday puzzle may have been the most serious, but it wasn't the first mistake the renowned newspaper made. For example, a puzzle in 2016 confused the birth and death locations of the American literary idol Mark Twain, unnoticed by the editor, proofreader, and the puzzle tester at the time.

(mki)