There was a 4-player league played by

本田幸子 = Honda Sachiko    +++.  3-0
白鳥澄子 = Shiratori Sumiko --.-  0-3
伊藤友恵 = Ito Tomoe        +.+-  2-1
鈴木津奈 = Suzuki Tsuna     .-+-  1-2

Honda Sachiko is challenger.

