A t around 8am on 28 September 2022, a few hours before his second-round match at the British Open, the talented 20-year-old Chang Bingyu received a phone call. It was experienced fellow player Liang Wenbo, warning bad people had good money on Chang to lose the game 4-1. Liang promised Chang £6,000 for the exact result and threatened consequences if he didn’t play ball. Chang knew Liang well enought to be petrified. He went along with the plot, although he never received any money. Welshman Jak Jones had no idea that his 4-1 victory that night was orchestrated by his opponent. A few months later, as Liang’s wide web of deceit began to unravel, a man knocked on Chang’s door. It was the day before Chang was due to be interviewed by investigators. The man said he was a friend of Liang and led Chang to a car to talk, where he warned not to utter a word about match-fixing to snooker ’s authorities. Chang was unnerved by Liang’s cue lying on the back seat.…