Haeng Ma Tutorial For Beginners/ Solutions

[Diagram]

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.

[Diagram]

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.

[Diagram]

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.

[Diagram]

Ja-Choong Soo quiz 4, solution

The W1-B2 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 B2, which comes to life when there is a white stone at b.

[Diagram]

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.

[Diagram]

Ja-Choong Soo quiz 6, solution

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

[Diagram]

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


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