- 互い先
- たがいせん【互い先】囲碁の手合割りの一。 互角の者どうしが一局ごとに交互に先番で打つこと。 相先(アイセン)。
Japanese explanatory dictionaries. 2013.
Japanese explanatory dictionaries. 2013.
Professional go handicaps — were a system developed in Japan, in the Edo period, for handicapping professional players of the game of go against each other. With the abolition of the Oteai system, which from the 1920s had used some handicap games to determine the go ranking … Wikipedia