This example comes from this commentary on game 3 of the 30th Meijin title match, which calls a play of the utmost te-atsusa.
doesn't appear on its radar. Before KataGo evaluates the position as a 3 point advantage for Black, given 6,5 komi, with a 79,2% probability of a Black victory. After the move, it increases Black's advantage to 4 points and a 86,9% probability.
This is KataGo's recommended continuation. takes the big point in the lower left, after which White increases the center potential up until at a.
KataGo recommends , after which Black attaches at to create something on the left side. exploits the aji which White presumably killed with the move in the game and which now prompts a capture on the second line. confirms the corner and jumps out, breaking White's left and centre potential. Black still leads by 3 points.