Chirkova Lyudmila
From Samara, Russia
Internal rating (RR)
Rating date July 6, 2023 (latest changes July 6, 2023).
75 place (309.38).
how we calculated rating score
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
Date | Place | Points | Reason |
---|---|---|---|
2023-07-06 | 76 -> 75 | 309.38 | |
2023-06-19 | 78 -> 76 | 309.38 | |
2023-06-12 | 78 | 303.94 -> 309.38 | |
2023-06-11 | 78 | 303.94 |
Money can not buy tenpai: 0% -> 100% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 713 |
|
26/88 | 100% | 3.75 | RR | Money can not buy tenpai |
2 | 267 |
|
56/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |