Changes

Ginkgo had its tournament debut at the [[WCCC 2015]] and [[WCSC 2015]] in [[Leiden University|Leiden]], and was close winning the latter, finally losing from [[Shredder]] in the blitz playoff. At the [[WCCC 2016]] in Leiden againand [[WCCC 2018]], Ginkgo was incorporated in the [[GridGinkgo]] [https://en.wikipedia.org/wiki/Computer_cluster cluster] chess program by [[Kai Himstedt]] et al., while Ginkgo continued to play the [[WCSC 2016]], [[WCSC 2018]], the [[WCSC 2019]] and the [[WCCC 2019]].