Thinking out loud.
Once you gain enough experience you can start to notice... something like this. You're aware that enemy pieces (non-pawns) outnumber your pieces on the kingside -- or how more pawns on the board devalues the rooks slightly -- how many minor left on the board can make certain weaknesses like isolated pawns less serious. And with each trade and each time you block or open a line how certain pieces gain or lose value overall. Or more delicate things like time and initiative, opening a position when you have only 1 extra piece developed (but it turns out that's all you need for an advantage).
But the theory (and colored diagrams) aren't going to help you improve much, practice > theory at our end of the spectrum.
oh, your the guy with all the visualization boards. you said feedback is welcome, so here is mine. they all seem quite complicated and distracting. seems that all of your assitances will be covered by pieces and hard to see. perhaps if you want to do this a computerized board is the way to go. back in the 80's there was a computerized board that you play against you. it was able to sense which piece was where and light up the moves it wanted to make. perhaps you can modify this idea and have LEDs light up some way to get it a bit clearer.
You haven't explored the first type of diagram yet -- in a position like this
Can white force his way into f8, g8 or h8?
(Taken from Silman)
Here' a puzzle (I can't solve) On a board with pieces of only one color, what is the mininum # of pieces required to control every square?
BUT THEN WHAT IF...what if white had a knight on b5?

Soemtimes the squares are too large for the board - problem solved!
LOL! you heard about that too? I only thought that was an NJ urban legend used to frighten little kids. I know a couple of people that like unicorns...maybe they know about this too. It's like the one where I heard that little fairies go up your nose at night and poke your brains with their wands causing involuntary reflexes and spasms..hmmm, wonder if they are related.

