Kazantseva Polina

From Novosibirsk, Russia

EMA: 15020026

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Common russian riichi rating (CRR)

Rating date Jan. 6, 2024 (latest changes Jan. 6, 2024).

91 place (327.81).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002

p1 = (641.79 * 3.50 * 0.29 + 711.71 * 4.05 * 0.43 + 453.33 * 4.20 * 0.71 + 0 + 0) / (3.50 * 0.29 + 4.05 * 0.43 + 4.20 * 0.71 + 1 + 1) = 418.46780698670085

p2 = (453.33 * 4.20 * 0.71 + 711.71 * 4.05 * 0.43 + 641.79 * 3.50 * 0.29) / max_coefficients = 237.1564667115016

score = 418.46780698670085 * 0.5 + 237.1564667115016 * 0.5 = 327.8121368491012

Rating changes

Show

all results
Date Place Points Reason
2024-01-06 86 -> 91 333.62 -> 327.81

IX Russian Riichi Championship: 86% -> 71%
2024-01-05 87 -> 86 333.62
2023-12-27 88 -> 87 333.62
2023-12-19 92 -> 88 333.62
2023-12-12 80 -> 92 357.49 -> 333.62

Moscow Riichi 2022: 57% -> 43%
2023-11-28 84 -> 80 357.49
2023-11-26 80 -> 84 358.46 -> 357.49
2023-11-20 75 -> 80 375.17 -> 358.46

Tenpai can't buy happiness: 43% -> 29%
2023-11-06 75 378.38 -> 375.17

IX Russian Riichi Championship: 100% -> 86%
2023-11-05 71 -> 75 378.38

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 453 2022-11-06 42/76 71% 4.20 RR IX Russian Riichi Championship
2 712 2022-06-12 33/112 43% 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