Julio Ernesto Granda Zuniga of Peru (born in 1967) is the youngest Senior World Chess Champion, section 50+, at the age of 50 in 2017.
For comparison, the oldest reigning World Chess Champion ever was Wilhelm Steinitz, who held the title until the age of 58 years, 10 days.
Vladimir Bagirov (Latvia) won the 200-player open section on tie-break over Wolfgang Uhlmann (Germany), both with 8.5/11.
IM Yuri Shabanov (Russia) defended his championship, winning the 215-player open section on a tie-break with five players scoring 8.5/11.
Former World Chess Championship challenger and top seed GM Viktor Korchnoi (Switzerland) won the 126-player open section 9.0/11.
[3] Entering the ninth round with a full point lead, Korchnoi drew his final three games to take the € 3000 gold medal.