Matveeva Alyona

From Barnaul, Russia

EMA: 15020090

Player page

Internal rating (RR)

Rating date Oct. 18, 2024 (latest changes Oct. 13, 2024).

54 place (523.42).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (840 * 4.20 * 0.14 + 931.03 * 3.75 * 0.57 + 794.39 * 4.60 * 1 + 0 + 0) / (4.20 * 0.14 + 3.75 * 0.57 + 4.60 * 1 + 1 + 1) = 658.6081668170478

p2 = (794.39 * 4.60 * 1 + 931.03 * 3.75 * 0.57 + 840 * 4.20 * 0.14) / max_coefficients = 388.22271293375394

score = 658.6081668170478 * 0.5 + 388.22271293375394 * 0.5 = 523.4154398754009

Rating changes

Show

all results
Date Place Points Reason
2024-10-13 51 -> 54 527.44 -> 523.42
2024-10-11 40 -> 51 550.89 -> 527.44

Money can not buy tenpai: 71% -> 57%
2024-09-06 36 -> 40 571.88 -> 550.89

IX Russian Riichi Championship: 29% -> 14%
2024-09-03 36 563.70 -> 571.88
2024-09-01 32 -> 36 575.32 -> 563.70
2024-08-11 28 -> 32 594.99 -> 575.32

Money can not buy tenpai: 86% -> 71%
2024-08-04 19 -> 28 604.98 -> 594.99
2024-07-14 18 -> 19 604.98
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%

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 57% 3.75 RR Money can not buy tenpai
3 840 2022-11-06 13/76 14% 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