XGID=a---BBB-BB--b--b--B-ABcfa-:1:1:1:31:0:0:3:0:10
Money Play. How should Red play 31?
There is not much between the various plays here but an eye for detail can always earn you a few extra milli-points.
By playing 20/17, 18/17 Red ensure that White’s 15 and 35 have to be played my moving the five 10/5 which will generate more gammons for Red.