Matveeva Alyona

From Barnaul, Russia

EMA: 15020090

Player page

Internal rating (RR)

Rating date July 6, 2024 (latest changes July 6, 2024).

18 place (604.98).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001

p1 = (840 * 4.20 * 0.29 + 931.03 * 3.75 * 0.86 + 794.39 * 4.60 * 1 + 0 + 0) / (4.20 * 0.29 + 3.75 * 0.86 + 4.60 * 1 + 1 + 1) = 694.985911196275

p2 = (794.39 * 4.60 * 1 + 931.03 * 3.75 * 0.86 + 840 * 4.20 * 0.29) / max_coefficients = 514.9727952368538

score = 694.985911196275 * 0.5 + 514.9727952368538 * 0.5 = 604.9793532165644

Rating changes

Show

all results
Date Place Points Reason
2024-07-06 16 -> 18 625.68 -> 604.98

IX Russian Riichi Championship: 43% -> 29%
2024-06-11 15 -> 16 637.37 -> 625.68

Money can not buy tenpai: 100% -> 86%
2024-06-09 12 -> 15 637.37
2024-05-12 29 -> 12 486.53 -> 637.37

X Russian Championship: 0% -> 100%
2024-05-06 26 -> 29 509.56 -> 486.53

IX Russian Riichi Championship: 57% -> 43%
2024-03-30 21 -> 26 509.56
2024-03-20 16 -> 21 570.52 -> 509.56

Tenpai can't buy happiness: 14% -> 0%
2024-03-10 10 -> 16 608.33 -> 570.52
2024-03-06 9 -> 10 621.10 -> 608.33

IX Russian Riichi Championship: 71% -> 57%
2024-02-12 10 -> 9 608.51 -> 621.10

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 794 2024-05-12 23/108 100% 4.60 RR X Russian Championship
2 931 2023-06-11 7/88 86% 3.75 RR Money can not buy tenpai
3 840 2022-11-06 13/76 29% 4.20 RR IX Russian Riichi Championship
4 910 2022-03-20 7/68 0% 3.50 RR Tenpai can't buy happiness
5 1000 2020-01-05 1/20 0% 2.10 EMA Snow Dragon Tournament
6 302 2019-11-04 45/64 0% 3.85 EMA Aki Shanten 2019
7 778 2019-08-25 7/28 0% 2.30 RR The Green dragon tournament
8 735 2019-05-04 23/84 0% 4.20 EMA Haru Shanten 2019
9 964 2019-01-05 3/56 0% 3.00 EMA Snow Dragon
10 868 2018-11-18 13/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
11 957 2018-08-12 2/24 0% 2.20 RR Siberian riichi
12 839 2018-01-05 6/32 0% 2.20 RR Russian riichi championship by JPML-B rules
13 857 2017-01-05 6/36 0% 2.50 RR Quick discard 2017
14 806 2016-05-03 7/32 0% 2.40 RR Siberia Cup 2016
15 222 2016-03-13 78/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
16 930 2016-01-05 4/44 0% 1.90 RR Eighth winter tournament