Failed 3 more times. I can push the king to the edge of the board, but there's some little thing I'm missing about how to move the bishops around to get the king into the corner.
Two-bishop checkmate is hard! Any tips and tricks?

not true at all, the bishop are just need to controll the squares

I did a video on 2 Bishops checkmate and yes it can be tricky if you don't know the technique.
Well done, good video. Actually its quite easy when you figure it out. People says it rare come up in real game but that is very poor reason not to study it. You need to know this as a chess player. Its not interesting if its rare that it comes up in real game. You learn a lot from it how the pieces works together and also give you understanding how to push the king to the side of the board. Its like saying that Rook vs Queen its not worth study since its rare comes up? That is same argument at people claim its life in the universe since ther are so many galaxies. Its a very bad argument for life.
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Dammit, I forgot how to do it and failed again. One little misstep and the king escapes to another part of the board and prolongs the chase to the 50-move limit.