A competition analysis of the double disciplines in table tennis

№1

Pair: Yuan Yuan
Yu Yifan

Wins: 5

Defeats: 4

Ratio: 1.25

Number of matches: 9

R_max: 4500

R_1,2,3: 2743

R_min: 3091

R_1,2,3: 3168

Synergistic effect: 2.98

№2

Pair: Yu Yifan
Zhai Yujia

Wins: 2

Defeats: 4

Ratio: 0.5

Number of matches: 6

R_max: 1130

R_1,2,3: 1051

R_min: 0

R_1,2,3: 918

Synergistic effect: 0.73