Kajiwara's Go 1] Kajiwara-ryu Revolutionary Joseki 2] Kajiwara-ryu Opening Strategy 3] Kajiwara-ryu Sense of Stones 4] Kajiwara-ryu Drill Tactics 5] Kajiwara-ryu Handicap Go Sure-Win Method The books show signs of aging, particularly with noticeable stains on the covers. However, the pages inside are intact without tears, and there is no problem with their use. In Go Focus, Akira Kobayashi 9-dan introduced a famous game of stone sacrifice by Takeo Kajiwara 9-dan. Kajiwara 9-dan was a highly-regarded player among professional Go players, and many players seem to have been influenced by him.