Tumanina Valentina
From Samara, Russia
Internal rating (RR)
Rating date March 30, 2024 (latest changes March 30, 2024).
40 place (432.32).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988
p1 = (400 * 4.20 * 0.57 + 574.71 * 3.75 * 1 + 588.79 * 4 * 1 + 0 + 0) / (4.20 * 0.57 + 3.75 * 1 + 4 * 1 + 1 + 1) = 450.2316072257504
p2 = (588.79 * 4 * 1 + 574.71 * 3.75 * 1 + 400 * 4.20 * 0.57) / max_coefficients = 414.4174037945799
score = 450.2316072257504 * 0.5 + 414.4174037945799 * 0.5 = 432.3245055101652
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-30 | 36 -> 40 | 432.32 | |
| 2024-03-20 | 39 -> 36 | 432.32 | |
| 2024-03-10 | 30 -> 39 | 467.01 -> 432.32 | |
| 2024-03-06 | 32 -> 30 | 463.72 -> 467.01 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-12 | 34 -> 32 | 452.60 -> 463.72 | |
| 2024-01-20 | 36 -> 34 | 452.60 | |
| 2024-01-06 | 36 | 450.22 -> 452.60 |
IX Russian Riichi Championship: 86% -> 71% |
| 2023-12-19 | 38 -> 36 | 450.22 | |
| 2023-12-12 | 38 | 440.59 -> 450.22 | |
| 2023-11-28 | 40 -> 38 | 440.59 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 589 |
|
45/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 575 |
|
38/88 | 100% | 3.75 | RR | Money can not buy tenpai |
| 3 | 400 |
|
46/76 | 57% | 4.20 | RR | IX Russian Riichi Championship |