As Noa-Lynn van Leuven approached the stage, red hair flowing and lipstick shimmering under the lights, it was hard to know what the reaction would be.
Throughout the long history of sporting crowds, from the Colosseum of Rome to this cathedral of darts just off the north circular, at their most basic level they respond through a binary choice, of cheers or of boos. How would the World Championship at Alexandra Palace react to its first transgender competitor?
