A plan to boost the number of poker machines at a Chinese community club and shift operations closer to Star City Casino is worrying gambling experts, who warn that Asian people are unlikely to seek help for problem gambling. After 42 years at the corner of Goulburn and Pitt streets, the Mandarin Club has sold its building and lodged a development application with the Sydney Harbour Foreshore Authority to relocate to 1 Dixon Street, in Chinatown.