I ended a game vs a Knight and the King only, running out of time at my side, and it gave me the game for lost. Shouldn't be a draw due to insufficient material of my opponent?
It wasn't knight and king only. Your opponent had knight and king, and you had pawns. Therefore, a checkmate is theoretically possible for your opponent. Lichess awards a win in that case.
And if you think "that would never happen", I have checkmated legitimately with only a knight remaining, in a real game.
No, it shouldn’t. Says who?
Here‘s the insufficient material:
lichess.org/iJ8JQhMMEvery internet chess server besides lichess.
Playchess & FIDE as well as lichess: mate possible, no draw
if you are citing playchess i have already won.
It doesn't matter whether all of the other chess websites have a different rule. Lichess is 100% correct to do it this way.
If we're considering a rules change, we should also consider positions like
