Kazantseva Polina

From Novosibirsk, Russia

EMA: 15020026

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Common russian riichi rating (CRR)

Rating date June 19, 2023 (latest changes June 19, 2023).

42 place (455.84).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255

p1 = (641.79 * 3.50 * 0.71 + 711.71 * 4.05 * 0.86 + 453.33 * 4.20 * 1 + 0 + 0) / (3.50 * 0.71 + 4.05 * 0.86 + 4.20 * 1 + 1 + 1) = 491.24066811241687

p2 = (711.71 * 4.05 * 0.86 + 453.33 * 4.20 * 1 + 641.79 * 3.50 * 0.71) / max_coefficients = 420.4298425138992

score = 491.24066811241687 * 0.5 + 420.4298425138992 * 0.5 = 455.83525531315803

Rating changes

Show

all results
Date Place Points Reason
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
2023-05-20 34 -> 36 492.13 -> 486.45

Tenpai can't buy happiness: 86% -> 71%
2023-05-06 35 -> 34 492.13
2023-04-22 34 -> 35 492.13
2023-04-19 35 -> 34 492.13
2023-03-28 36 -> 35 492.13
2023-03-20 35 -> 36 497.41 -> 492.13

Tenpai can't buy happiness: 100% -> 86%
2023-03-06 36 -> 35 497.41

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 86% 4.05 RR Moscow Riichi 2022
3 642 2022-03-20 25/68 71% 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