How were koi selected back in the day? Let me teach you how to score koi

In 1962 (the 37th year of the Showa era in Japan), the first Niigata Prefecture Koi Show was held. The judging standards used at that time were summarized by Kawakami Masaru, Hiroi Makoto, Seki Kenichi, and Oryu Kenji, and have been passed down to this day. Table 1 stipulates that it applies only to sexually mature adult...