By means of these seven considerations I can forecast victory or defeat.
In our attempts to understand the complexity of the world around us, we tend to simplify. This is both natural and potentially very dangerous. Although this is a simple model, it takes a deeper understanding of the many sub-factors to make such forecasts.
It is always a good exercise to use such models to compare both yourself and the other side against such models. Although this will not tell you everything, it can tell you much, especially where you have a weakness.
Always remember that the other side may also have read Sun Tzu and be applying his advice.