This is one of the most useless relationship models I've seen for MBTI.
1. Keirsey based connections between the dichotomies:
SPs and NFs = Absolutely Not, except ISFP and ENFJ
SJ and SJs = All good.
SJs and SPs = perfect or ok
Ns with Ns = All good or perfect
etc.
There are correlations with the functions for 'perfections'.
2. Clearly not statistics based as it has clear structure. (but horrible algorithm if it even exists)
3. Why do SPs have no "It's Got a Good Chance" colours? Like it either has to be perfect or 'ok' and less. Nonsense
4. Only ISFPs, ESTJs and ENFJs have 3 perfect matches?
5. Because of the use of keirsey, the algorithm for this model doesn't seem to exist. There is no symmetry between the functions of good match which makes for an irregular (and pointlessly so) structure this model provides. The symmetry is highly important for relationship dynamics where the functions are dichotomous for opposites of both the introverted/extraverted directions as well as the S/N and F/T dichotomies. Or rather, if the relationship model was actually done correctly, there would be a clear symmetrical indication.
I do hope no one uses this model for any sort of relationships. It's almost garbage.