Kazantseva Polina

From Novosibirsk, Russia

EMA: 15020026

Player page

Internal rating (RR)

Rating date Sept. 6, 2023 (latest changes Sept. 6, 2023).

53 place (413.21).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (641.79 * 3.50 * 0.57 + 711.71 * 4.05 * 0.71 + 453.33 * 4.20 * 1 + 0 + 0) / (3.50 * 0.57 + 4.05 * 0.71 + 4.20 * 1 + 1 + 1) = 472.95839694432846

p2 = (711.71 * 4.05 * 0.71 + 453.33 * 4.20 * 1 + 641.79 * 3.50 * 0.57) / max_coefficients = 353.4642622422887

score = 472.95839694432846 * 0.5 + 353.4642622422887 * 0.5 = 413.2113295933086

Rating changes

Show

all results
Date Place Points Reason
2023-09-06 56 -> 53 413.21
2023-09-03 39 -> 56 440.74 -> 413.21
2023-08-12 38 -> 39 453.18 -> 440.74

Moscow Riichi 2022: 86% -> 71%
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%

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 71% 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