sentences:  Multiple misses often occur because players attempt to hit a shot very softly or thinly in situations where a fuller contact might leave their opponent an easy potting chance.This can lead to an apparently easy being attempted several times, as players feel that it is better to concede many points but leave a safe position, than concede none and leave a frame-winning chance.In practice, the "best attempt" determination consists of three key elements that are easily applied objectively