Matveeva Alyona

From Barnaul, Russia

EMA: 15020090

Player page

Internal rating (RR)

Rating date May 28, 2023 (latest changes May 28, 2023).

23 place (530.95).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.10 * 0.57) = 12.52139

p1 = (910.45 * 3.50 * 0.71 + 840 * 4.20 * 1 + 0 + 0 + 0) / (3.50 * 0.71 + 4.20 * 1 + 1 + 1 + 1) = 598.3639259591445

p2 = (840 * 4.20 * 1 + 910.45 * 3.50 * 0.71) / max_coefficients = 463.5395910517922

score = 598.3639259591445 * 0.5 + 463.5395910517922 * 0.5 = 530.9517585054683

Rating changes

Show

all results
Date Place Points Reason
2023-05-28 24 -> 23 527.31 -> 530.95
2023-05-20 20 -> 24 543.54 -> 527.31

Tenpai can't buy happiness: 86% -> 71%
2023-04-19 22 -> 20 539.27 -> 543.54
2023-03-28 23 -> 22 535.03 -> 539.27
2023-03-20 19 -> 23 549.96 -> 535.03

Tenpai can't buy happiness: 100% -> 86%
2023-03-06 20 -> 19 549.96
2023-02-19 21 -> 20 546.80 -> 549.96
2023-01-28 21 542.04 -> 546.80
2022-12-19 21 539.84 -> 542.04
2022-11-28 24 -> 21 534.64 -> 539.84

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 71% 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