By Zara Woodcock ITV’s Beat the Chasers star Darragh Ennis has defended Rachel Riley after viewers claimed her win was a “fix”. The popular quiz show, which aired on Friday, saw a host of celebrity contestants vying for prize money for their chosen charities. Rachel Riley, known for her role on Channel 4’s Countdown, returned to the show and successfully answered a series of questions, winning £20,000 for The Angus Lawson Memorial Trust. However, some viewers thought her questions were too easy, with one asking “which season of the year was coldest?” Viewers took to social media to voice their…