Haeng Ma Tutorial For Beginners/ Solutions

Ja-Choong Soo quiz 1 solution  

Black weakens his own marked stone and creates bad aji in the position with this amateurish, vulgar, Ja-Choong Soo move.

Ja-Choong Soo quiz 2 solution  

White completely spoils the effect of his shoulder hit by allowing black to Hane at the Head of Two Stones, giving black an easy to attack group.

Ja-Choong Soo quiz 3 solution  

Once again black's Ja-Choong Soo move allows white to Hane at the Head of Two Stones, giving black a horrible local position.

Ja-Choong Soo quiz 4, solution  

The - exchange removes a liberty of the marked group, which can come in crucial if Black descends to a. Moreover it reduces the aji of the standard placement at , which comes to life when there is a white stone at b.

Ja-Choong Soo quiz 5, solution  

Instead of strengthening his own pincered stones with a or b, Black plays from his strong stones to strengthen White's weaker stones. This is large scale ja choong soo.

Ja-Choong Soo quiz 6, solution  

And he persists, giving useless extra strength to his already strong corner, White becomes powerful at the top.

Ja-Choong Soo quiz 7, White's turn  

Finally, this is another example of hane at the head of two, which is a frequently occurring subset of ja choong soo