ErasureOrInvasion/Pro play 1

Shusai invaded Black's left side.  

This example comes from Now I Would Play This Way: Go Seigen looks back at 18 memorable games (Go Seigen: Omoide no 18 Kyoku: Ima Nara Ko Utsu). It is from the second game, in which he took two stones from Shusai Meijin Honinbo.

Invasion (ii)  

Go Seigen comments that is somewhat unreasonable, but Shusai had little choice because of the handicap.

Invasion (iii)  

Go Seigen says that is premature, giving White a chance to make the following play.

Keshi variation  

Go Seigen says that if Shusai had played the erasure (keshi) at , he would have ignored it and taken the last large point with .