I broke the engine

It goings from -5.3 to 0.0 at move 30 and then suggests 31.Kf1 as best move. But if White plays that the eval goes back to -6.0.

Ah that is weird but I think I know why. Because the position has repeated twice, it thinks for a second there will be a 3 rd repeat soon so 0.0. It's still a weird glitch though yeah.

@RickRenegade
That's not called weird.
Stockfish is programmed to follow all FIDE rules. And threefold repetition is included in it.

No it's weird that Stockfish went to 0.0 when Black is crushing. Even with my theory, it shouldn't go to 0.0 until after one more repeat.

You misunderstood the point.

@MieszkoTheFirst
I guess you are seeing such thing for first time.
This way, I have broken Stockfish multiple times.
That's a Stockfish bug where it gives wrong evaluation. Nothing new for me.

@Akbar2thegreat said in #3:

@RickRenegade
That's not called weird.
Stockfish is programmed to follow all FIDE rules. And threefold repetition is included in it.
If there's a better move than repeating a 3rd time then showing the position as equal is not "following FIDE rules". The engine is supposed to win.

that's not breaking the engine, it should be like: