Kazantseva Polina
From Novosibirsk, Russia
EMA: 15020026
Internal rating (RR)
Rating date July 28, 2023 (latest changes July 28, 2023).
38 place (453.18).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.57) = 13.421155
p1 = (641.79 * 3.50 * 0.57 + 711.71 * 4.05 * 0.86 + 453.33 * 4.20 * 1 + 0 + 0) / (3.50 * 0.57 + 4.05 * 0.86 + 4.20 * 1 + 1 + 1) = 484.7892089514706
p2 = (711.71 * 4.05 * 0.86 + 453.33 * 4.20 * 1 + 641.79 * 3.50 * 0.57) / max_coefficients = 421.57698052067803
score = 484.7892089514706 * 0.5 + 421.57698052067803 * 0.5 = 453.1830947360743
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-07-28 | 39 -> 38 | 453.18 | |
2023-07-20 | 35 -> 39 | 460.36 -> 453.18 |
Tenpai can't buy happiness: 71% -> 57% |
2023-06-19 | 37 -> 35 | 460.36 | |
2023-06-12 | 36 -> 37 | 471.00 -> 460.36 |
Moscow Riichi 2022: 100% -> 86% |
2023-06-11 | 29 -> 36 | 505.83 -> 471.00 | |
2023-05-28 | 29 | 501.81 -> 505.83 | |
2023-05-20 | 28 -> 29 | 507.10 -> 501.81 |
Tenpai can't buy happiness: 86% -> 71% |
2023-05-06 | 30 -> 28 | 507.10 | |
2023-04-19 | 30 | 502.52 -> 507.10 | |
2023-03-28 | 32 -> 30 | 497.97 -> 502.52 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 453 |
|
42/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 712 |
|
33/112 | 86% | 4.05 | RR | Moscow Riichi 2022 |
3 | 642 |
|
25/68 | 57% | 3.50 | RR | Tenpai can't buy happiness |
4 | 474 |
|
11/20 | 0% | 2.10 | EMA | Snow Dragon Tournament |
5 | 519 |
|
14/28 | 0% | 2.30 | RR | The Green dragon tournament |
6 | 491 |
|
29/56 | 0% | 3.00 | EMA | Snow Dragon |
7 | 130 |
|
21/24 | 0% | 2.20 | RR | Siberian riichi |
8 | 355 |
|
21/32 | 0% | 2.20 | RR | Russian riichi championship by JPML-B rules |
9 | 87 |
|
22/24 | 0% | 2.20 | EMA | Siberia Cup 2017 |
10 | 29 |
|
35/36 | 0% | 2.50 | RR | Quick discard 2017 |
11 | 302 |
|
31/44 | 0% | 1.90 | RR | Eighth winter tournament |
12 | 957 |
|
2/24 | 0% | 1.40 | RR | Furiten tournament 2014 |
13 | 194 |
|
26/32 | 0% | 2.00 | RR | Riichi tournament 2013 |