Zhumabaeva Natalya
From Perm, Russia
EMA: 15020083
Internal rating (RR)
Rating date Sept. 1, 2024 (latest changes Sept. 1, 2024).
103 place (330.61).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.85 * 1 + 3.65 * 1) = 16.099999999999998
p1 = (680 * 4.20 * 0.29 + 885.06 * 3.75 * 0.71 + 0 + 0 + 0) / (4.20 * 0.29 + 3.75 * 0.71 + 1 + 1 + 1) = 463.2797683819227
p2 = (885.06 * 3.75 * 0.71 + 680 * 4.20 * 0.29) / max_coefficients = 197.93167701863356
score = 463.2797683819227 * 0.5 + 197.93167701863356 * 0.5 = 330.60572270027814
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-01 | 90 -> 103 | 335.78 -> 330.61 | |
| 2024-08-11 | 85 -> 90 | 365.23 -> 335.78 |
Money can not buy tenpai: 86% -> 71% |
| 2024-08-04 | 75 -> 85 | 370.01 -> 365.23 | |
| 2024-07-14 | 68 -> 75 | 370.01 | |
| 2024-07-06 | 62 -> 68 | 390.71 -> 370.01 |
IX Russian Riichi Championship: 43% -> 29% |
| 2024-06-11 | 60 -> 62 | 413.17 -> 390.71 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 58 -> 60 | 413.17 | |
| 2024-05-12 | 35 -> 58 | 441.76 -> 413.17 | |
| 2024-05-06 | 35 | 458.08 -> 441.76 |
IX Russian Riichi Championship: 57% -> 43% |
| 2024-04-12 | 37 -> 35 | 458.08 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 885 |
|
11/88 | 71% | 3.75 | RR | Money can not buy tenpai |
| 2 | 680 |
|
25/76 | 29% | 4.20 | RR | IX Russian Riichi Championship |
| 3 | 60 |
|
64/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
| 4 | 270 |
|
47/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
| 5 | 169 |
|
70/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
| 6 | 1000 |
|
1/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 |
| 7 | 132 |
|
80/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
| 8 | 408 |
|
43/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
| 9 | 74 |
|
26/28 | 0% | 1.70 | RR | Fuyu Shanten |