Kazantseva Polina

From Novosibirsk, Russia

EMA: 15020026

Player page

Internal rating (RR)

Rating date Nov. 2, 2023 (latest changes Nov. 2, 2023).

60 place (383.59).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.57) = 14.26417

p1 = (641.79 * 3.50 * 0.43 + 711.71 * 4.05 * 0.57 + 453.33 * 4.20 * 1 + 0 + 0) / (3.50 * 0.43 + 4.05 * 0.57 + 4.20 * 1 + 1 + 1) = 450.7338028633141

p2 = (453.33 * 4.20 * 1 + 711.71 * 4.05 * 0.57 + 641.79 * 3.50 * 0.43) / max_coefficients = 316.441124860402

score = 450.7338028633141 * 0.5 + 316.441124860402 * 0.5 = 383.58746386185805

Rating changes

Show

all results
Date Place Points Reason
2023-10-20 61 -> 60 383.59
2023-10-13 62 -> 61 383.59
2023-10-12 51 -> 62 398.42 -> 383.59

Moscow Riichi 2022: 71% -> 57%
2023-10-07 52 -> 51 398.42
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
2023-09-01 109 -> 39 191.65 -> 440.74
2021-02-01 135 -> 109 311.98 -> 191.65

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 453 2022-11-06 42/76 100% 4.20 RR IX Russian Riichi Championship Perm
2 712 2022-06-12 33/112 57% 4.05 RR Moscow Riichi 2022 Moscow
3 642 2022-03-20 25/68 43% 3.50 RR Tenpai can't buy happiness Perm
4 474 2020-01-05 11/20 0% 2.10 EMA Snow Dragon Tournament Novosibirsk
5 519 2019-08-25 14/28 0% 2.30 RR The Green dragon tournament Novosibirsk
6 491 2019-01-05 29/56 0% 3.00 EMA Snow Dragon Novosibirsk
7 130 2018-08-12 21/24 0% 2.20 RR Siberian riichi Novosibirsk
8 355 2018-01-05 21/32 0% 2.20 RR Russian riichi championship by JPML-B rules Novosibirsk
9 87 2017-08-13 22/24 0% 2.20 EMA Siberia Cup 2017 Novosibirsk
10 29 2017-01-05 35/36 0% 2.50 RR Quick discard 2017 Novosibirsk
11 302 2016-01-05 31/44 0% 1.90 RR Eighth winter tournament Novosibirsk
12 957 2014-01-06 🥈 2/24 0% 1.40 RR Furiten tournament 2014 Novosibirsk
13 194 2013-01-05 26/32 0% 2.00 RR Riichi tournament 2013 Novosibirsk