有个漏洞奖励规则没有说明“三年内两度获奖”是哪年开始计算，以及年的定义是指日期还是年份。
Could it an improvement to 7+3 method ........
so that on average each year can have up to 12 players promoted to Grade B .....
If this is the case, then possible to count from mid 2009 with the introduction of 7+3 method.
Huasing Association 1999 - 2013