Hane at the head of three stones

hane at the head of three  

Apart from Hane at the Head of Two Stones, one also often hears "hane at the head of three" - and rightly so. In fact, although the value of the hane decreases when the line gets longer, playing hane at the head of a line is a key point for influence for any length of line.

head & foot combo  

The hane at the head of three is especially effective when there's also a "hane at the foot" at the marked stone. In this case the three white stones have only three liberties. The reason is that now Black can follow up with a double hane

head & foot combo  

White can't resist with a double hane of his own, so ...

head & foot combo  

... h has to give in. Depending on the situation, Black can again hane at the head at A. Black is developing in a broad way, White is being tucked into a small space.

In this case can be captured but there are other configurations where the pressure on WHite is even bigger.