00769naa#a2200181#i#4500001001600000005001700016011001400033100004100047102000700088200015700095210011000252215001000362608002700372675014600399700000600545700000600551856003000557EN\\bibl\12125920260502053929.6##a1994-4683##a20230803b2023####ek#y0engy0150####ca##aRU1#aPSYCHOLOGICAL AND PEDAGOGICAL CONDITIONS NECESSARY FOR THE INITIAL PREPARATION OF CHESS PLAYERS FOR COMPETITIONS USING INDIVIDUAL TASKSeJournal article1#aMoscowcNational State University of Physical Education, Sports and Health named after P.F. Lesgaftd2023##a4 с.##aJournal article2local##aФилософские и научно-теоретические основы физической культуры и спорта. 796.011#1g #1g 4#auchzapiski.lesgaft.spb.ru