Matveeva Alyona

From Barnaul, Russia

EMA: 15020090

Player page

Common russian riichi rating (CRR)

Rating date Dec. 21, 2024 (latest changes Dec. 18, 2024).

45 place (556.85).

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

p1 = (931.03 * 3.75 * 0.43 + 794.39 * 4.60 * 1 + 888.89 * 2.30 * 0.86 + 0 + 0) / (3.75 * 0.43 + 4.60 * 1 + 2.30 * 0.86 + 1 + 1) = 678.1800604799491

p2 = (794.39 * 4.60 * 1 + 888.89 * 2.30 * 0.86 + 931.03 * 3.75 * 0.43) / max_coefficients = 435.51482649842274

score = 678.1800604799491 * 0.5 + 435.51482649842274 * 0.5 = 556.8474434891859

Rating changes

Show

Date Place Points Reason
2024-12-11 43 -> 45 578.89 -> 556.85

Money can not buy tenpai: 57% -> 43%

2024-12-01 44 -> 43 578.89
2024-11-05 25 -> 44 643.73 -> 578.89

Finding Dora: 100% -> 86%

2024-10-13 22 -> 25 649.09 -> 643.73
2024-10-11 21 -> 22 669.01 -> 649.09

Money can not buy tenpai: 71% -> 57%

2024-09-06 18 -> 21 686.81 -> 669.01

IX Russian Riichi Championship: 29% -> 14%

2024-09-03 19 -> 18 676.29 -> 686.81
2024-09-01 15 -> 19 691.23 -> 676.29
2024-08-22 16 -> 15 691.23
2024-08-11 10 -> 16 707.42 -> 691.23

Money can not buy tenpai: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 794 2024-05-12 23/108 100% 4.60 RR X Russian Championship
2 889 2023-11-05 4/28 86% 2.30 CRR Finding Dora
3 931 2023-06-11 7/88 43% 3.75 RR Money can not buy tenpai
4 840 2022-11-06 13/76 0% 4.20 RR IX Russian Riichi Championship
5 910 2022-03-20 7/68 0% 3.50 RR Tenpai can't buy happiness
6 1000 2020-01-05 1/20 0% 2.10 EMA Snow Dragon Tournament
7 302 2019-11-04 45/64 0% 3.85 EMA Aki Shanten 2019
8 778 2019-08-25 7/28 0% 2.30 RR The Green dragon tournament
9 735 2019-05-04 23/84 0% 4.20 EMA Haru Shanten 2019
10 964 2019-01-05 3/56 0% 3.00 EMA Snow Dragon
11 868 2018-11-18 13/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
12 368 2018-10-21 13/20 0% 1.30 CRR Awakening of the rising sun dragon
13 957 2018-08-12 2/24 0% 2.20 RR Siberian riichi
14 839 2018-01-05 6/32 0% 2.20 RR Russian riichi championship by JPML-B rules
15 857 2017-01-05 6/36 0% 2.50 RR Quick discard 2017
16 806 2016-05-03 7/32 0% 2.40 RR Siberia Cup 2016
17 222 2016-03-13 78/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
18 930 2016-01-05 4/44 0% 1.90 RR Eighth winter tournament