Chirkova Lyudmila
From Samara, Russia
Internal rating (RR)
Rating date Sept. 1, 2023 (latest changes Sept. 1, 2023).
69 place (320.82).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 3.50 * 0.57) = 12.842815
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 = 295.2942949034149
score = 346.33881278538814 * 0.5 + 295.2942949034149 * 0.5 = 320.8165538444015
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-09-01 | 69 | 320.82 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 713 |
|
26/88 | 100% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 2 | 267 |
|
56/76 | 100% | 4.20 | RR | IX Russian Riichi Championship | Perm |