Matveeva Alyona

From Barnaul, Russia

EMA: 15020090

Player page

Internal rating (RR)

Rating date Dec. 20, 2022 (latest changes Dec. 20, 2022).

21 place (542.04).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995

p1 = (910.45 * 3.50 * 1 + 840 * 4.20 * 1 + 0 + 0 + 0) / (3.50 * 1 + 4.20 * 1 + 1 + 1 + 1) = 627.5299065420561

p2 = (840 * 4.20 * 1 + 910.45 * 3.50 * 1) / max_coefficients = 456.55621695662506

score = 627.5299065420561 * 0.5 + 456.55621695662506 * 0.5 = 542.0430617493406

Rating changes

Show

all results
Date Place Points Reason
2022-12-19 21 539.84 -> 542.04
2022-11-28 24 -> 21 534.64 -> 539.84
2022-11-06 39 -> 24 476.73 -> 534.64

IX Russian Riichi Championship: 0% -> 100%
2021-02-01 20 -> 39 695.34 -> 476.73
2020-02-01 20 695.34

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 840 2022-11-06 13/76 100% 4.20 RR IX Russian Riichi Championship
2 910 2022-03-20 7/68 100% 3.50 RR Tenpai can't buy happiness
3 1000 2020-01-05 1/20 0% 2.10 EMA Snow Dragon Tournament
4 302 2019-11-04 45/64 0% 3.85 EMA Aki Shanten 2019
5 778 2019-08-25 7/28 0% 2.30 RR The Green dragon tournament
6 735 2019-05-04 23/84 0% 4.20 EMA Haru Shanten 2019
7 964 2019-01-05 3/56 0% 3.00 EMA Snow Dragon
8 868 2018-11-18 13/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
9 957 2018-08-12 2/24 0% 2.20 RR Siberian riichi
10 839 2018-01-05 6/32 0% 2.20 RR Russian riichi championship by JPML-B rules
11 857 2017-01-05 6/36 0% 2.50 RR Quick discard 2017
12 806 2016-05-03 7/32 0% 2.40 RR Siberia Cup 2016
13 222 2016-03-13 78/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
14 930 2016-01-05 4/44 0% 1.90 RR Eighth winter tournament