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An intelligent referee selection approach in martial arts using CoCoSo MCDM algorithm.

Tao Zhang1

  • 1Physical Education, Shaanxi University of Technology, Hanzhong, 723000, Shaanxi, China. 18992640390@163.com.

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|July 10, 2025
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Summary
This summary is machine-generated.

This study introduces a new method for selecting martial arts referees using the CoCoSo multi-criteria decision-making (MCDM) algorithm and interval-valued t-spherical fuzzy sets (IVTSFS). This approach enhances accuracy and fairness in choosing qualified referees for competitions.

Keywords:
CoCoSo algorithmDecision accuracyInterval-valued t-spherical fuzzy informationMartial artsMulti-criteria decision-makingReferee selection

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Area of Science:

  • Sports Science
  • Decision Science

Background:

  • Martial arts tournament regulation demands strict adherence to fairness and accurate decision-making.
  • Current referee selection processes are problematic due to subjective assessments and unclear evaluation methods.
  • Ensuring integrity in competition martial arts relies heavily on effective referee selection.

Purpose of the Study:

  • To develop an optimized and accurate method for selecting martial arts referees.
  • To address the challenges of subjective assessment and decision unpredictability in referee evaluations.
  • To enhance the integrity and fairness of martial arts competitions through improved referee selection.

Main Methods:

  • Utilized the CoCoSo multi-criteria decision-making (MCDM) algorithm.
  • Employed interval-valued t-spherical fuzzy sets (IVTSFS) for handling uncertainty.
  • Evaluated referee candidates based on experience, decision accuracy, fitness, stress management, consistency, and communication.

Main Results:

  • The CoCoSo algorithm and IVTSFS successfully integrated expert judgments.
  • The proposed method demonstrated enhanced accuracy in processing referee candidate evaluations under uncertain conditions.
  • The system effectively handled ambiguous decision-making approaches in referee selection.

Conclusions:

  • An optimized process for athletic referee selection was presented.
  • The research guarantees fairer competition by selecting referees with the best qualities.
  • The study provides a methodical approach to referee selection in martial arts.