Matveeva Alyona

From Barnaul, Russia

EMA: 15020090

Player page

Internal rating (RR)

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

3 place (699.22).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.57) = 13.421155

p1 = (910.45 * 3.50 * 0.57 + 840 * 4.20 * 1 + 931.03 * 3.75 * 1 + 0 + 0) / (3.50 * 0.57 + 4.20 * 1 + 3.75 * 1 + 1 + 1) = 739.7702072820694

p2 = (840 * 4.20 * 1 + 931.03 * 3.75 * 1 + 910.45 * 3.50 * 0.57) / max_coefficients = 658.675054419683

score = 739.7702072820694 * 0.5 + 658.675054419683 * 0.5 = 699.2226308508762

Rating changes

Show

all results
Date Place Points Reason
2023-07-20 2 -> 3 707.17 -> 699.22

Tenpai can't buy happiness: 71% -> 57%
2023-06-12 2 693.85 -> 707.17
2023-06-11 23 -> 2 530.95 -> 693.85

Money can not buy tenpai: 0% -> 100%
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

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 931 2023-06-11 7/88 100% 3.75 RR Money can not buy tenpai
2 840 2022-11-06 13/76 100% 4.20 RR IX Russian Riichi Championship
3 910 2022-03-20 7/68 57% 3.50 RR Tenpai can't buy happiness
4 1000 2020-01-05 1/20 0% 2.10 EMA Snow Dragon Tournament
5 302 2019-11-04 45/64 0% 3.85 EMA Aki Shanten 2019
6 778 2019-08-25 7/28 0% 2.30 RR The Green dragon tournament
7 735 2019-05-04 23/84 0% 4.20 EMA Haru Shanten 2019
8 964 2019-01-05 3/56 0% 3.00 EMA Snow Dragon
9 868 2018-11-18 13/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
10 957 2018-08-12 2/24 0% 2.20 RR Siberian riichi
11 839 2018-01-05 6/32 0% 2.20 RR Russian riichi championship by JPML-B rules
12 857 2017-01-05 6/36 0% 2.50 RR Quick discard 2017
13 806 2016-05-03 7/32 0% 2.40 RR Siberia Cup 2016
14 222 2016-03-13 78/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
15 930 2016-01-05 4/44 0% 1.90 RR Eighth winter tournament