I had an idea for a type of stalemate: One side is stalemated with 8 pins in a legal position.
I wondered how many units. for both sides, could be “nessecary” in such a position. I define this as either pinning a piece, blocking a piece, or trapping the the opponent’s king.
The best I came up with was 22 units.
[FEN "b2q1bq1/1N1N1N1k/8/rP1K1P1r/8/1P1B1P2/q2q4/2q1q1qq w - - 0 1"]
Is 22 units the limit for such a pinned pieces stalemate?
As a bonus optional question, what is the maximum number of units in a legal postion with 4 “natural” pins, which means no promoted pinning pieces?