Help me understand this

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Avatar of jlondo55

I was reading about this game:

https://www.chess.com/blog/DanielRensch/the-day-lc0-changed-computer-chess

And I do not understan why on move 157., the black does not capture the new knight.

I there a rule I am not aware of? Thank you for the help.

Avatar of DEFAULT-DANCE-MANIA
It was a computer, it went through all the possible winning checkmates with a 100% chance of winning and chose a random one. Killing the knight would have worked
Avatar of jlondo55

Thank you!!

Avatar of JeannieNo1
Hi, just played first game ever as a total beginner. Time set to 5 mins - I played, opponent played within 20 seconds and as I was about to make my move after only about 7 seconds I was timed out and opponent won. What happened?