This system measures primarily the compatibility between the Moons and Nakshatras. This is very important because the Moon shows emotional affinity and the ability to function together as a family.However, a good Moon relationship is not enough for a successful relationship.
And relationships can be successful without good Moon relationships if Venus and Jupiter are favorably placed between the charts. When the Moons are favorable, we feel good around one another, our moods harmonize, and we do not feel invaded or threatened by the other person's presence in our lives. When the Moons are unfavorable, it may be difficult to trust the other person, or to feel that we can be ourselves around them. They are much more likely to seem foreign, alien or different from us.
Therefore, it is best to use the computative method along with the comparative method, considering the overall nature of the charts involved. By itself the Kuta system can cause us to make hasty or superficial judgments. Usually if the points are high, that is good, if the charts are otherwise in harmony. If the points are low, that can be counteracted (unless the total points is very low, like below 10) if the charts are otherwise in harmony. If the points are high and the charts are otherwise disharmonious, it will not be sufficient for a good relationship. If the points are low but the charts are otherwise harmonious, it may be sufficient for a good relationship.
Generally speaking, there is little that can counteract the effects of a bad seventh house in the chart, while there is little that can damage a good seventh house in the chart. Please remember this point.
We should first examine the computative method, as it is quick to note, and then go into comparative analysis for a more clear decision on the matter.
We have also included for easy computation, a chart of the Yoni Kuta. These charts are from B.V. Raman's book Muhurta.