Matveeva Alyona

From Barnaul, Russia

EMA: 15020090

Player page

Internal rating (RR)

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

7 place (630.46).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002

p1 = (910.45 * 3.50 * 0.29 + 840 * 4.20 * 0.86 + 931.03 * 3.75 * 1 + 0 + 0) / (3.50 * 0.29 + 4.20 * 0.86 + 3.75 * 1 + 1 + 1) = 717.4681176489913

p2 = (931.03 * 3.75 * 1 + 840 * 4.20 * 0.86 + 910.45 * 3.50 * 0.29) / max_coefficients = 543.445216221616

score = 717.4681176489913 * 0.5 + 543.445216221616 * 0.5 = 630.4566669353037

Rating changes

Show

all results
Date Place Points Reason
2023-11-28 9 -> 7 630.46
2023-11-20 7 -> 9 651.57 -> 630.46

Tenpai can't buy happiness: 43% -> 29%
2023-11-06 7 660.08 -> 651.57

IX Russian Riichi Championship: 100% -> 86%
2023-10-19 8 -> 7 660.08
2023-10-12 8 648.62 -> 660.08
2023-09-20 7 -> 8 667.68 -> 648.62

Tenpai can't buy happiness: 57% -> 43%
2023-09-06 8 -> 7 667.68
2023-09-03 3 -> 8 714.05 -> 667.68
2023-08-12 3 699.22 -> 714.05
2023-07-20 2 -> 3 707.17 -> 699.22

Tenpai can't buy happiness: 71% -> 57%

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 86% 4.20 RR IX Russian Riichi Championship
3 910 2022-03-20 7/68 29% 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