Chess 2025 CoachChamps Day 3: KiriyamaKazuo, Coached By Pruess, Wins U1600 Group; Belenkaya Leads Coaches by October 9, 2025 by October 9, 2025 KiriyamaKazuo, coached by IM David Pruess, won the u1600 tournament of CoachChamps 2025 with 6/7.… 0 FacebookTwitterPinterestEmail