Abstract
The purpose is to determine the effect of multi‐day biorhythms to the success of the performance at the kickboxing high qualifications competition. The analysis of the data based on performances in the competition professional kickboxer K. Ustinov (Russia) in 2009‐2010. According to the tables for sports performances in the competitions, multi‐day biorhythms were determined according to the computer program at fights on the “ Biorhythm Windows” BIOW, version v 3.20). Results. We can conclude that won fights by a boxer of high qualifications according to two years of follow‐up was 42.8% in fights by decision, 14.3%‐ knockout, and 56.1% by technical knockout. The influence of multi‐rhythms reflected in the results of the fight match, and it was positive with intellectual rhythm and negative with the physical biorhythms that should be included in training and competitive periods of sportsmen training. Analysis of the data for 2 years fighting performances of boxer Alexei Ustinov allowed to conclude the following: 1.Multi‐day biorhythms have an impact to the outcome of the match and it the biggest with intelligent (r=0,845) and natural biorhythms (r=0,665; r=0,68) with a technical knockouts, and negative (by winning fights by decision) with the physical biorhythms (r=‐0,822).