VASILENKO, I. .; TKACHENKO, O. . The role of physical activity in various forms of practice of amateur and professional chess players. Theory and Practice of Physical Culture, [S. l.], n. 5, p. 87–89, 2026. Disponível em: http://tpf1610220.nichost.ru/index.php/TPPC/article/view/1689. Acesso em: 5 sep. 2026.