Kazantseva Polina

From Novosibirsk, Russia

EMA: 15020026

Player page

Internal rating (RR)

Rating date July 20, 2023 (latest changes July 20, 2023).

39 place (453.18).

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

Show

all results
Date Place Points Reason
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
2023-03-20 30 -> 32 503.12 -> 497.97

Tenpai can't buy happiness: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 453 2022-11-06 42/76 100% 4.20 RR IX Russian Riichi Championship
2 712 2022-06-12 33/112 86% 4.05 RR Moscow Riichi 2022
3 642 2022-03-20 25/68 57% 3.50 RR Tenpai can't buy happiness
4 474 2020-01-05 11/20 0% 2.10 EMA Snow Dragon Tournament
5 519 2019-08-25 14/28 0% 2.30 RR The Green dragon tournament
6 491 2019-01-05 29/56 0% 3.00 EMA Snow Dragon
7 130 2018-08-12 21/24 0% 2.20 RR Siberian riichi
8 355 2018-01-05 21/32 0% 2.20 RR Russian riichi championship by JPML-B rules
9 87 2017-08-13 22/24 0% 2.20 EMA Siberia Cup 2017
10 29 2017-01-05 35/36 0% 2.50 RR Quick discard 2017
11 302 2016-01-05 31/44 0% 1.90 RR Eighth winter tournament
12 957 2014-01-06 2/24 0% 1.40 RR Furiten tournament 2014
13 194 2013-01-05 26/32 0% 2.00 RR Riichi tournament 2013