TY JOUR TI INTEGRATIVE APPROACH IN THE FORMATION OF INTELLECTUAL AND PHYSICAL ABILITIES OF BOXERS BY MEANS OF CHESS BOXING KW intellectual and analytical abilities KW chess KW boxing KW mental and physical performance KW strategy JO Scientific notes of P. F. Lesgaft University AU Sorokin, V.P. AU Fedyuk, N.S. AU Saenko, D.V. AU Soroka, A.V. AU Petrova, P.S. AU YAkovlev, G.A. PY 2023 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft