There was a 4-player league played by

児玉幸子 = Kodama Sachiko  .+++  3-0
本田幸子 = Honda Sachiko   -.++  2-1
伊藤友恵 = Ito Tomoe       --.+  1-2
鈴木津奈 = Suzuki Tsuna    ---.  0-3

Kodama Sachiko is challenger.
