The XXIX FIDE Congress in The Hague, 2021

The proceedings of the XXIX FIDE Congress in The Hague are published in four volumes. The first three volumes were published in 2020. This book (Vol. 4) contains the congress proceedings of the XXIXth FIDE congress that, after years of preparation and the disruption caused by COVID-19, could finally take place in The Hague.