Chirkova Lyudmila

From Samara, Russia

Player page

Internal rating (RR)

Rating date June 19, 2023 (latest changes June 19, 2023).

77 place (309.38).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.71) = 13.921305

p1 = (266.67 * 4.20 * 1 + 712.64 * 3.75 * 1 + 0 + 0 + 0) / (4.20 * 1 + 3.75 * 1 + 1 + 1 + 1) = 346.33881278538814

p2 = (712.64 * 3.75 * 1 + 266.67 * 4.20 * 1) / max_coefficients = 272.41770796631494

score = 346.33881278538814 * 0.5 + 272.41770796631494 * 0.5 = 309.37826037585154

Rating changes

Show

all results
Date Place Points Reason
2023-06-19 79 -> 77 309.38
2023-06-12 79 303.94 -> 309.38
2023-06-11 79 303.94

Money can not buy tenpai: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 713 2023-06-11 26/88 100% 3.75 RR Money can not buy tenpai
2 267 2022-11-06 56/76 100% 4.20 RR IX Russian Riichi Championship