Zhumabaeva Natalya
From Perm, Russia
EMA: 15020083
Internal rating (RR)
Rating date Sept. 6, 2023 (latest changes Sept. 6, 2023).
37 place (475.40).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (59.70 * 3.50 * 0.57 + 680 * 4.20 * 1 + 885.06 * 3.75 * 1 + 0 + 0) / (3.50 * 0.57 + 4.20 * 1 + 3.75 * 1 + 1 + 1) = 526.7299307943999
p2 = (885.06 * 3.75 * 1 + 680 * 4.20 * 1 + 59.70 * 3.50 * 0.57) / max_coefficients = 424.06562322832133
score = 526.7299307943999 * 0.5 + 424.06562322832133 * 0.5 = 475.39777701136063
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-09-03 | 24 -> 37 | 508.42 -> 475.40 | |
2023-08-12 | 26 -> 24 | 497.86 -> 508.42 | |
2023-07-20 | 31 -> 26 | 481.13 -> 497.86 |
Tenpai can't buy happiness: 71% -> 57% |
2023-06-12 | 35 -> 31 | 472.06 -> 481.13 | |
2023-06-11 | 74 -> 35 | 274.91 -> 472.06 |
Money can not buy tenpai: 0% -> 100% |
2023-05-28 | 75 -> 74 | 273.03 -> 274.91 | |
2023-05-20 | 79 -> 75 | 263.56 -> 273.03 |
Tenpai can't buy happiness: 86% -> 71% |
2023-05-06 | 80 -> 79 | 263.56 | |
2023-04-19 | 81 -> 80 | 261.49 -> 263.56 | |
2023-03-28 | 81 | 259.44 -> 261.49 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 885 |
|
11/88 | 100% | 3.75 | RR | Money can not buy tenpai |
2 | 680 |
|
25/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
3 | 60 |
|
64/68 | 57% | 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 |