Kazantseva Polina

From Novosibirsk, Russia

EMA: 15020026

Player page

Common russian riichi rating (CRR)

Rating date Feb. 25, 2023 (latest changes Feb. 25, 2023).

36 place (497.41).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55

p1 = (641.79 * 3.50 * 1 + 711.71 * 4.05 * 1 + 453.33 * 4.20 * 1 + 0 + 0) / (3.50 * 1 + 4.05 * 1 + 4.20 * 1 + 1 + 1) = 511.4690909090909

p2 = (711.71 * 4.05 * 1 + 641.79 * 3.50 * 1 + 453.33 * 4.20 * 1) / max_coefficients = 483.34707903780065

score = 511.4690909090909 * 0.5 + 483.34707903780065 * 0.5 = 497.40808497344574

Rating changes

Show

all results
Date Place Points Reason
2023-02-25 34 -> 36 497.41
2023-01-28 34 494.83 -> 497.41
2023-01-06 35 -> 34 494.83
2022-12-19 36 -> 35 492.53 -> 494.83
2022-12-18 35 -> 36 492.53
2022-11-28 36 -> 35 487.07 -> 492.53
2022-11-06 38 -> 36 422.39 -> 487.07

IX Russian Riichi Championship: 0% -> 100%
2022-11-05 122 -> 38 191.65 -> 422.39
2021-02-01 152 -> 122 311.98 -> 191.65
2020-02-01 152 311.98

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 33/112 100% 4.05 RR Moscow Riichi 2022
3 642 2022-03-20 25/68 100% 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