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The 2017 World Conker Championships

Two girls smash conkers together as someone unseen observes holding a clipboard.Tom Carlill

The annual World Conkers Championships took place in the village of Southwick, Northamptonshire. There were 230 competitors from 14 countries!

A man and a woman smash their conkers, the man is wearing a yellow and black chequered suit and the woman is wearing a unicorn onesie.Tom Carlill

Adults and children are allowed to take part in the championships, some even like to dress in silly costumes.

A basket full of conkers with their laces, ready to be played with.Tom Carlill

The rules of the game are simple: playing in pairs, each player takes three turns to hit their opponent's conker. Whoever smashes their opponent's conker first, wins!

A Chelsea Pensioner wearing his uniform competes with a woman wearing a puffer jacket.Tom Carlill

Six Chelsea Pensioners turned up for the competition this year, wearing their famous bright red uniforms and black hats.

A boy wearing an orange jumper concentrates as he aims his conker.Tom Carlill

Benjamin Wallace is this year's Junior World Champion.

A girl in cadet gear and a boy looking on watch her conker flying in the air.Tom Carlill

Cadet Faith Weatherington is this year's Intermediate World Champion.

A Chelsea Pensioner and a woman, both wearing crowns decorated with conkers, hold their trophies aloft sitting in chairs that say 'King Conker' and 'Queen Conker'.Tom Carlill

And here are the 'conker'-ing King and Queen! King Conker on the left is Chelsea Pensioner John Riley, and Queen Conker on the right is charity worker, Julie Freeman.