Butyrskikh Anna

From Yekaterinburg, Russia

EMA: 15020093

Player page

Internal rating (RR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

147 place (51.77).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (789.47 * 2.10 * 0.14 + 63.49 * 3.85 * 0.71 + 0 + 0 + 0) / (2.10 * 0.14 + 3.85 * 0.71 + 1 + 1 + 1) = 68.01820452237094

p2 = (789.47 * 2.10 * 0.14 + 63.49 * 3.85 * 0.71) / max_coefficients = 35.5198178435469

score = 68.01820452237094 * 0.5 + 35.5198178435469 * 0.5 = 51.76901118295892

Rating changes

Show

all results
Date Place Points Reason
2021-02-01 170 -> 147 235.23 -> 51.77
2020-02-01 170 235.23

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 63 2019-11-04 60/64 71% 3.85 EMA Aki Shanten 2019
2 789 2019-03-17 5/20 14% 2.10 RR Spring hope
3 396 2018-11-18 56/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
4 478 2017-07-30 13/24 0% 2.20 RR Summer EMA rules tournament 2017
5 1000 2017-06-11 1/28 0% 2.10 RR Tyumen Mahjong Tournament (TMT) 2017
6 419 2017-04-16 19/32 0% 2.20 RR Second riichi mahjong tournament, Chelyabinsk 2017
7 259 2017-03-25 21/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
8 739 2017-01-29 7/24 0% 2.20 RR The first tournament of 2017
9 743 2017-01-05 10/36 0% 2.50 RR Quick discard 2017
10 211 2016-02-07 16/20 0% 1.70 RR "Tiles, doras, 2 renchans"
11 870 2015-12-05 4/24 0% 1.80 RR 4 riichi mahjong tournament 2015
12 316 2015-09-27 14/20 0% 1.70 RR Plitochka
13 267 2015-08-29 12/16 0% 1.60 RR 3 riichi mahjong tournament 2015
14 800 2015-05-16 4/16 0% 1.60 RR 2 autumn riichi mahjong tournament 2015
15 111 2015-02-22 25/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015
16 1000 2014-10-25 1/20 0% 1.30 RR Autumn riichi mahjong tournament 2014