Kazantseva Polina

From Novosibirsk, Russia

EMA: 15020026

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Common russian riichi rating (CRR)

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

62 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 64 -> 62 413.21
2023-09-03 47 -> 64 428.76 -> 413.21
2023-08-27 46 -> 47 428.76
2023-08-26 47 -> 46 428.76
2023-08-12 43 -> 47 441.32 -> 428.76

Moscow Riichi 2022: 86% -> 71%
2023-07-20 41 -> 43 455.84 -> 441.32

Tenpai can't buy happiness: 71% -> 57%
2023-07-03 42 -> 41 455.84
2023-06-19 44 -> 42 455.84
2023-06-12 42 -> 44 466.53 -> 455.84

Moscow Riichi 2022: 100% -> 86%
2023-06-11 36 -> 42 486.45 -> 466.53

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