: ( 648aa)
White blocks at the top.

: (122 648iy; 125 648kd)
Again, KataGo's solid connection is Black's best choice.

He will be worse, if he blocks at in the left centre, or defends his lower left corner with an "early" , instead.

Black plays 3/4 reductions.

Please assume the rejection of Dany's Sacrifice and Black's second kikashi in the hanezeki (, ) played before.

Capture Variation:

Compared to the superordinate variation ...

• White's cumulated gain at the upper edge is two points.
• White got an additional point of territory at the top.
• Black did not capture one White stone in the left centre, so losing one point.
• Black's cumulated gain in the lower left corner is two points.
• Black destroyed one point of White's territory in the upper right corner, so gaining one point.
• White did not capture Black's stone in the lower right, so losing two points.

In total, White lost one point.

White + 2 => White + 1

Semeai Variation:

Compared to the superordinate variation ...

• White's cumulated gain at the upper edge is two points.
• White got an additional point of territory at the top.
• Black did not capture one White stone in the left centre, so losing one point.
• Black's cumulated gain in the lower left corner is two points.
• Black captured one more White stone in the left centre, but one less in the lower left corner, so the net effect is zero.
• At the right, White captured an additional two Black stones for a gain of three points.

In total, White gained five points.

Black + 4 => White + 1