You can do it. The strategies are a primitive form of game theory, but they do work. Honestly it's just more practical to use solvers though.
You might want to test out your strategies on a site like
https://www.rangevsrange.com. This is a turn-based poker platform where you play with your entire range instead of specific hole cards. You get up to a week between moves so plenty of time to crunch the numbers. The developer actually uses a version of Janda's techniques to get success.
