Hi
selections last traded price is between <your target backing price range>
markets minutes since the last goal is greater than x
perhaps also look at the market's book percentages, for example:
markets back book % is less than 105
though this could be more difficult to achieve in low volume markets
and also it looks like you are backing in correct score market, perhaps use the market_score variables to choose appropriate selections. e.g. if current score is 1-0 only trade in 1-1 or 2-0, use a condition block like this:
AND
selections trigger expression market_score1 is equal to 1
and selections trigger expression market_score2 is equal to 0
and selections name is in list "1 - 1", "2 - 0"