Updated README: Equal sign not required with `--mode` flag.

[sgk-go] / regression / games / owl41.sgf

(;
FF[4]
GM[1]
SZ[9]
AB[ad][bd][bf][ce][cg][df][dg][dh]
AW[ae][af][bc][bh][cb][cd][ch][dd][di][ef][eg][eh][ff]
;B[be]
)