Chirkova Lyudmila
From Samara, Russia
Internal rating (RR)
Rating date Sept. 3, 2024 (latest changes Sept. 3, 2024).
30 place (593.90).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (266.67 * 4.20 * 0.29 + 712.64 * 3.75 * 0.71 + 457.94 * 4 * 0.86 + 439.25 * 4.60 * 1 + 1000 * 2.80 * 1 + 506.33 * 3.65 * 1 + 372.55 * 3.05 * 1 + 736.84 * 3.85 * 1) / (4.20 * 0.29 + 3.75 * 0.71 + 4 * 0.86 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.05 * 1 + 3.85 * 1) = 571.7500103436815
p2 = (736.84 * 3.85 * 1 + 1000 * 2.80 * 1 + 439.25 * 4.60 * 1 + 712.64 * 3.75 * 0.71) / max_coefficients = 616.0525231189305
score = 571.7500103436815 * 0.5 + 616.0525231189305 * 0.5 = 593.901266731306
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-09-03 | 33 -> 30 | 581.71 -> 593.90 |
SPB Riichi Open 2023: 100% -> 86% |
2024-09-01 | 38 -> 33 | 550.25 -> 581.71 |
SPB Riichi Open 2024: 0% -> 100% |
2024-08-11 | 36 -> 38 | 561.67 -> 550.25 |
Money can not buy tenpai: 86% -> 71% |
2024-08-04 | 28 -> 36 | 576.45 -> 561.67 |
Riichi over Volga: 0% -> 100% |
2024-07-14 | 42 -> 28 | 481.38 -> 576.45 |
Guardian of the Winds: 0% -> 100% |
2024-07-06 | 47 -> 42 | 477.66 -> 481.38 |
IX Russian Riichi Championship: 43% -> 29% |
2024-06-11 | 47 | 485.39 -> 477.66 |
Money can not buy tenpai: 100% -> 86% |
2024-06-09 | 49 -> 47 | 458.61 -> 485.39 |
Agari Summer Tournament 2024: 0% -> 100% |
2024-05-12 | 46 -> 49 | 408.95 -> 458.61 |
X Russian Championship: 0% -> 100% |
2024-05-06 | 49 -> 46 | 406.55 -> 408.95 |
IX Russian Riichi Championship: 57% -> 43% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 737 |
|
26/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
2 | 506 |
|
40/80 | 100% | 3.65 | RR | Riichi over Volga |
3 | 1000 |
|
1/48 | 100% | 2.80 | RR | Guardian of the Winds |
4 | 373 |
|
33/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
5 | 439 |
|
61/108 | 100% | 4.60 | RR | X Russian Championship |
6 | 458 |
|
59/108 | 86% | 4.00 | RR | SPB Riichi Open 2023 |
7 | 713 |
|
26/88 | 71% | 3.75 | RR | Money can not buy tenpai |
8 | 267 |
|
56/76 | 29% | 4.20 | RR | IX Russian Riichi Championship |