Grandmaster Mitsuyo Maeda (1878-1941) learned Jiu-Jitsu in Japan, was bestowed with the nickname Count Koma in Spain, won hundreds of fights in Cuba, and disseminated…
Well before the winning submissions of Fabricio Werdum (over all-powerful Fedor) and Anderson Silva (over Sonnen), your most complete magazine on Jiu-Jitsu already stressed the importance of the guard. Check it out, study it and learn.