White 1 small tip, forming a pattern confrontation situation. Black as a position, is a local good hand, but after white b, the situation is white favorable.
Black 2 is by The King Mountain. But when the white 3 is pulled, the black 4 is long and there is a problem. After the white 7 is broken, there is trouble. Form black chess unfavorable battles.
Black 2 leaning, 4 jumps are commonly used tendons for expansion patterns. White a black b; white c black d counter-hit, also produce e bit good points.
If the white continues to walk a, the black chess will definitely not be connected in the c position, but will definitely be pressed in the b position.