Other option however is unclear, when we check we will face post flop. So that gives us a clear way to analyze expected value of push. The problem is that when we face a limp we can guess some kind of limping range, and we can also assume what part of range opponent will throw away when we shove. In this article I explain how to find out shoving range against single limper from big blind position. This was a very popular question from heads up players who were surprised that it was impossible to do this kind of calculation in ICMIZER.