How much can a mahjong lose for 50 yuan?

50 yuan can lose about 1000 yuan with a mahjong at most. 50 yuan can lose at most 20 rounds of mahjong, about 1000 yuan. According to the Measures for the Implementation of Public Security Administrative Punishment Discretion Benchmark, the single note amount is more than 20 yuan and less than 50 yuan, or the winning or losing amount of the whole audience is more than 2,000 yuan and less than 5,000 yuan. Be detained for less than 5 days or fined for less than 500 yuan.