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

[sgk-go] / regression / games / tiny / 4x4a.sgf

(;GM[1]FF[3]
SZ[4];B[cb];W[bc];B[cc];W[bb];B[ba];W[cd];B[ab];W[bd];B[ac];W[dc];
B[da]
)