International chess day It is observed on 20 July to honour the foundation of the Federation Internationale des Eches (FIDES).Chess is a game of strategy and wits. It has long been considered to be the thinking game. It is a wonderful game to play anytime, anywhere, and with almost everyone. International Chess Day is celebrated on 20 July annually. It's not only a sports activity ,with scientific thinking it will make your mind too sharp and your brilliancy will be cooler and higher .If you have good experience or have a keen interest in this, you may give coach to many and achieve high progress .