War & Pieces: The race to become the world’s fastest jigsaw puzzler

“You can see the acceleration now…she’s putting on the gas! This is where accuracy and physicality need to overlap coming into the finish!” the commentator exclaims, as photographers jostle for the money shot.

There’s no pit crew, no roar of any engine. Here at the UK Jigsaw Puzzle Championships, the finish line is pressing a final piece of cardboard into a 500-piece jigsaw of British birds. 

Around the sports hall of a Bradford secondary school, hundreds of hands move in furious silence. Above them, spectators line the balcony, watching 374 puzzlers bent over their tables – half-risen from chairs, heads down, eyes scanning. Many have flown in from as far as Australia, Germany and Canada, and over two days, they will race to complete never-before-seen 500-piece puzzles across three formats: solo, pairs, and teams.

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Even the time it takes to open the box and unwrap the pieces counts. The clock only stops when you call ​“done”, after which a judge moves in to inspect for gaps or incorrect joins. A missing piece carries a five-second time penalty, leaving some with an agonising calculation at the finish: check around the floor and risk time, or call ​“done” and take the penalty. 

With just six seconds separating last year’s first and second place, one missing piece can be fatal.

Anyone can enter, but between the casual puzzler and the elite, the gap is vast – by the time the winner puts in their final piece, many will still be working on their edges.

At the highest level, competitive puzzling demands both physical speed – watch the best in the world and their hands look fast-forwarded – and cognitive accuracy, the ability to recognise and place pieces with near-instant precision.

Today’s favourite to win has cognitive precision in abundance. In just over a year of competing, Rachael Chambers has placed second in UK nationals and is already 10^th best in the world. At her table, she sits almost still, only her right hand moving quickly but deliberately. When she places a piece, it almost always goes in the first time.

“If a car was blue, but the sky was also blue, other people might end up muddling those two sections,” she explains. ​“But I’m able to see the tiny differences in texture and am quite good at placing each piece in the right place.” 

Her sweet smile may fool you into thinking she jigsaws just for the joy of it. But her training diary would rival that of any triathlete’s – in part, an attempt to close the gap between her mind and her physical ability.

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On free days, she’ll run six or seven 500-piece puzzles back-to-back to test her consistency under pressure. She owns somewhere between 200 and 300 puzzles, and returns to the same puzzles again and again to strip away the thinking. It allows her to focus purely on physical drills, like flipping all the pieces face-up, sorting the edge pieces, and – her weakest link – training her left hand to keep pace with her right.

“When you’re not so focused on the image,” she explains, ​“you can practice things like hand dexterity and speed.”

In the lead up to race days, she tries to simulate race day conditions – taping off sections of her dining table with masking tape to replicate official competition dimensions, getting her boyfriend to hide puzzles he bought in a bag so she can start blind, and solving along to previous competition audio commentary to get her adrenaline going.

To train her endurance, she’s even attended a 24-hour puzzle marathon in France, where teams race through the night to complete as many as possible.

For an activity most people associate with a cup of tea on rainy afternoons, it might seem like overkill. But it all pays off. By the end of the Championships, she has taken the crown for both the pairs and the solo, where she finished in 46 minutes, slotting in a piece once every 5.6 seconds – faster than most people can read this sentence.

After each win, she smiles, holds up the completed puzzle for photographers, and destroys it piece by piece back into the box. 

The hall pulses in waves – calm, then erupting into applause every few minutes as someone shouts ​“done”, before settling back into tense silence. But even among those with no sights on the title, the intensity is clear.

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In the middle of the room, Ben Everley’s tall figure hunches over his table, both hands moving methodically. Rather than chasing the high of winning, his love of speed puzzling stems from the flow state he can achieve – total immersion in colour, shape and texture, where the only thing that exists is the next piece. He has logged approximately 800 hours of practice – every puzzle, every finishing time meticulously recorded in a spreadsheet – measuring improvement not against other competitors, but against previous versions of himself. It has, he says, made him calmer, healthier, more focused, even improving his performance at competitive curling, his other unlikely passion.

“I can actually feel the cortisol in my stomach when I try to complete puzzles normally,” he shares. ​“But when I put the timer on and I’m racing the clock, I feel this sense of calm.”

His weakness, however, is completionism. The optimal strategy in speed puzzling is to abandon incomplete sections and move on as those missing pieces will be obvious nearer the end. But if a few pieces are missing from a section, he’ll search the entire table to find them, even when it costs him time. ​“You’re supposed to be able to accept a certain amount of chaos,” he says, ​“because ultimately puzzling is bringing order to chaos.” Yet it’s an instinct he’s found difficult to override.

To understand where his real ceiling lies, he tried an experiment: an entire puzzle completed using only his left hand. He was only two minutes slower. ​“That told me my limitations don’t really have a lot to do with physicality,” he says. ​“It’s my brain.”

At the UK Championships, he places 77^th, finishing in 1 hour 26 minutes, meaning he put in a piece every 10.4 seconds – still impressive for someone who insists his mind is a limitation.

The world of competitive puzzling extends far beyond Bradford. At its very peak stands Alejandro Clemente León, a former world champion from Spain who holds the record of 32 minutes and 41 seconds for a 500-piece puzzle. 

He believes what separates him from even the best puzzlers is the ability to maintain an unbroken chain of thought under pressure, which allows his brain to always be one move ahead of his hands. 

“There is never a single moment I stop thinking,” he says.

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He mentally maps out the next region while he’s still working on the last, gathering clusters of pieces for other sections along the way. While most puzzlers chase the next easiest sections without a plan, the real skill, he believes, is knowing which areas, once completed, will open up the rest of the puzzle.

He rarely even looks at the reference image – by the time he’s begun solving, it’s already internalised. The second a section stops flowing, he abandons it and moves elsewhere. 

He likes to compete listening to Hans Zimmer’s sweeping film soundtracks – the kind that scores chase sequences and final battles, which feels appropriate given the spectacular speed at which he works.

Over the years, Alejandro has watched the sport transform around him. When the World Championships began in 2019, a winning time sat at around 50 minutes. Today, the bar has dropped so steeply he fears the simple pleasure of puzzling is getting lost along the way.

What he hopes, more than anything, is that the race to the bottom of the clock doesn’t cost the sport its soul. Puzzling, after all, is supposed to be one of life’s quiet comforts.

“If you finish and you enjoy it,” he says, ​“it doesn’t matter if you finish first.” Easy advice, perhaps, from the man who can effortlessly click in a piece once every 3.9 seconds. 

For all its intensity, the atmosphere at the UK Championships remains gentle. Between races, competitors line up for ​“meet the artist” sessions, queuing patiently for autographs from the illustrators behind the puzzles they’ve just torn through at speed. Others take selfies with their completed puzzles, or browse the stalls, excitedly buying more to take home.

But once they file back into the hall and the clock starts, the smiles are gone. In their place, focused determination. 

The pieces scatter. Hands kick into gear. The race to find the next piece resumes.

Ginnia Cheng is a freelance journalist and comedienne. Follow her on Instagram.

Magda Campagne is a music and culture photographer. Follow her on Instagram.

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