Zhumabaeva Natalya
From Perm, Russia
EMA: 15020083
Internal rating (RR)
Rating date Nov. 28, 2023 (latest changes Nov. 28, 2023).
27 place (494.69).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002
p1 = (59.70 * 3.50 * 0.29 + 680 * 4.20 * 0.86 + 885.06 * 3.75 * 1 + 0 + 0) / (3.50 * 0.29 + 4.20 * 0.86 + 3.75 * 1 + 1 + 1) = 562.9642011368368
p2 = (885.06 * 3.75 * 1 + 680 * 4.20 * 0.86 + 59.70 * 3.50 * 0.29) / max_coefficients = 426.4164420495038
score = 562.9642011368368 * 0.5 + 426.4164420495038 * 0.5 = 494.6903215931703
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-11-28 | 28 -> 27 | 494.69 | |
| 2023-11-20 | 33 -> 28 | 484.18 -> 494.69 |
Tenpai can't buy happiness: 43% -> 29% |
| 2023-11-06 | 116 -> 33 | 153.28 -> 484.18 |
IX Russian Riichi Championship: 100% -> 86% |
| 2021-02-01 | 138 -> 116 | 302.60 -> 153.28 | |
| 2020-02-01 | 138 | 302.60 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 885 |
|
11/88 | 100% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 2 | 680 |
|
25/76 | 86% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 3 | 60 |
|
64/68 | 29% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 4 | 270 |
|
47/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 5 | 169 |
|
70/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 6 | 1000 |
|
🥇 | 1/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 | Perm |
| 7 | 132 |
|
80/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 8 | 408 |
|
43/72 | 0% | 3.85 | EMA | Haru Shanten 2018 | Perm | |
| 9 | 74 |
|
26/28 | 0% | 1.70 | RR | Fuyu Shanten | Perm |