His chess career. He most certainly has a wealth of other opportunities, and I tend to think of these chess grandmaster types as very capable of being very good at a lot of other things.
It is similar to the physical sports - after your career is ended (especially if abruptly from an injury) you just go and work like everyone else.
"Hey, I know you're an Olympic athelete who has been unfairly persecuted for overblown doping allegations, but... have you ever considered a career in journalism?"
In either case, she may well be too old to continue playing competitively when she comes back. But both she and Hans might still find careers in the sport as coaches. By all accounts Hans is an excellent player, even if he's cheated, and a former cheat could still find modest work as a coach.