Kobayashi Opening II: Large knight approach

1

I am sure everyone is familiar with the variations when white jumps at A, but jumping on the other side is also possible.

2

Black would probably want to cap at 1 since white doesn’t play there. Afterwards, R14 and H3 are miai.

3

Attaching at 1 is a common way to deal with the invasion, but ataring on the top is a bad move. Black’s influence on the bottom is limited and white gets a big corner.

4

Playing the atari from the bottom is better. The position is even in this variation.

5

Capping at 1 is also possible.

6

If white pushes out instead of playing white 12 like in the previous variation, it will become a complicated fight.

7

This is another joseki. Both players destroying each other’s territory.

8

White can also skip the jump at N9. If black still follows the previous variation, white can get sente to enclose the corner at 17. This is good for white.

9

Black 3 and 5 is a common attacking sequence, but white 6 is difficult to deal with. Black can’t be satisfied with this result.

10

This is another variation.

11

White can play the high approach at 1 to be more active. If black just backs off like this, white can capture the black stone on a large scale. This is too good for white.

12

Black should counter-attack at 1. White’s double approach is necessary.

13

Black’s probe at 1 and the knight move at 3 look severe but it’s actually nothing.

14

Black can choose a safe move at 1 and eventually takes sente to approach at 17.

15

This happened in a game between Ke Jie (B) and Chen Yaoye (W).

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