I don't understand some AI suggestions

:grinning_face_with_smiling_eyes:

(choosing between living unconditionally or not can be pretty subtle though!)

And it was only showing up as like a one point difference was it?

The SL page is here: L+2 group with descent at Sensei's Library

The two-stage ko variation:

Generally, AIs don’t launch the ko until mid-endgame.

Note that Black shouldn’t play 5 at 6 otherwise White lives by double ko:

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I appreciate the replies.

People likely guessed that black was sanrensei…I 3-3’ed the bottom left and did the familiar wee dance. After a rush of blood to the head, I clamped B6, semi-expecting the descent, extended to C6 knowing they’d connect, then attached the mid star point to get traction for the escape. It actually felt like a plan but little did I realize that the A5 descent does ghastly things to the corner (I do not believe in ko).

I feel like I’ve learnt something here.