Pawn Blockade-absolute draw without stalemate

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KingsBishopsSecond

How many times have you encountered this sort of position, where a draw is 100% certain?

I recently reached it playing Black. Neither king can progress beyond its own third rank.

Aron_08

Here's 100% draw from one of my games

 

Aron_08

Or this one ( this is draw but if one of the side plays bad then it's possible to lose)