Gokyo Shumyo, Section 1, Problem 5 / Solution

Main line  

The 2-2 point is again the solution. As in Problem 4, a/b, and c/d, are miai for life.

Failure

Wrong (i)  

It is very tempting to block at here, because that seems to make more points while living.

However, Black plays at the vital point ; and after White's strongest resistance with , makes miai of a and b to kill White.

Wrong (ii)  

fails to make life. After , Black connects out at a. Should White block at a, Black plays b and we reach the same postion as if White had played a to start. Please compare with the preceding digram: wrong (i).

Wrong (iii)  

Once again a and b are miai. Black has killed the White group.