Kazantseva Polina

From Novosibirsk, Russia

EMA: 15020026

Player page

Internal rating (RR)

Rating date Nov. 28, 2023 (latest changes Nov. 28, 2023).

58 place (363.39).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002

p1 = (641.79 * 3.50 * 0.29 + 711.71 * 4.05 * 0.57 + 453.33 * 4.20 * 0.86 + 0 + 0) / (3.50 * 0.29 + 4.05 * 0.57 + 4.20 * 0.86 + 1 + 1) = 439.83917324998816

p2 = (711.71 * 4.05 * 0.57 + 453.33 * 4.20 * 0.86 + 641.79 * 3.50 * 0.29) / max_coefficients = 286.93668540448283

score = 439.83917324998816 * 0.5 + 286.93668540448283 * 0.5 = 363.3879293272355

Rating changes

Show

all results
Date Place Points Reason
2023-11-28 62 -> 58 363.39
2023-11-20 58 -> 62 380.50 -> 363.39

Tenpai can't buy happiness: 43% -> 29%
2023-11-06 61 -> 58 383.59 -> 380.50

IX Russian Riichi Championship: 100% -> 86%
2023-10-19 62 -> 61 383.59
2023-10-12 52 -> 62 398.42 -> 383.59

Moscow Riichi 2022: 71% -> 57%
2023-09-28 54 -> 52 398.42
2023-09-20 53 -> 54 413.21 -> 398.42

Tenpai can't buy happiness: 57% -> 43%
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%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 453 2022-11-06 42/76 86% 4.20 RR IX Russian Riichi Championship
2 712 2022-06-12 33/112 57% 4.05 RR Moscow Riichi 2022
3 642 2022-03-20 25/68 29% 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