TY JOUR TI Model Characteristics of Esports Athletes Based on Digital Footprints in Video Games KW sport KW model characteristics KW esports KW video games KW sports training KW digital footprints KW in-game rating JO Russian Journal of Information Technology in Sports AU Slozhenikin, A.K. AU Schepot'ev, A.M. PY 2025 IS 2 PB Russian Association of Computer Science in Sport