Matveeva Alyona

From Barnaul, Russia

EMA: 15020090

Player page

Internal rating (RR)

Rating date April 16, 2021 (latest changes April 16, 2021).

38 place (456.07).

max_coefficients = (2.90 * 0.86 + 4.05 * 0.57 + 3.85 * 0.57 + 3.45 * 0.57) = 8.970979999999999

p1 = (734.94 * 4.20 * 0.14 + 777.78 * 2.30 * 0.43 + 301.59 * 3.85 * 0.57 + 1000 * 2.10 * 0.71 + 0) / (4.20 * 0.14 + 2.30 * 0.43 + 3.85 * 0.57 + 2.10 * 0.71 + 1) = 536.330633101491

p2 = (1000 * 2.10 * 0.71 + 777.78 * 2.30 * 0.43 + 301.59 * 3.85 * 0.57 + 734.94 * 4.20 * 0.14) / max_coefficients = 375.80175187103305

score = 536.330633101491 * 0.5 + 375.80175187103305 * 0.5 = 456.066192486262

Rating changes

Show

Date Place Points Reason
2021-04-15 40 -> 38 444.68 -> 456.07
2021-03-26 40 438.56 -> 444.68
2021-03-24 42 -> 40 434.13 -> 438.56
2021-03-08 44 -> 42 427.62 -> 434.13
2021-03-05 40 -> 44 452.36 -> 427.62

Snow Dragon Tournament: 86% -> 71%

2021-03-04 40 470.82 -> 452.36

Aki Shanten 2019: 71% -> 57%

Haru Shanten 2019: 29% -> 14%

2021-02-25 38 -> 40 487.00 -> 470.82

The Green dragon tournament: 57% -> 43%

2021-02-15 40 -> 38 476.73 -> 487.00
2021-02-04 41 -> 40 476.73
2021-01-26 41 472.83 -> 476.73

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 1000 2020-01-05 1/20 71% 2.10 EMA Snow Dragon Tournament
2 302 2019-11-04 45/64 57% 3.85 EMA Aki Shanten 2019
3 778 2019-08-25 7/28 43% 2.30 RR The Green dragon tournament
4 735 2019-05-04 23/84 14% 4.20 EMA Haru Shanten 2019
5 964 2019-01-05 3/56 0% 3.00 EMA Snow Dragon
6 868 2018-11-18 13/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
7 957 2018-08-12 2/24 0% 2.20 RR Siberian riichi
8 839 2018-01-05 6/32 0% 2.20 RR Russian riichi championship by JPML-B rules
9 857 2017-01-05 6/36 0% 2.50 RR Quick discard 2017
10 806 2016-05-03 7/32 0% 2.40 RR Siberia Cup 2016
11 222 2016-03-13 78/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
12 930 2016-01-05 4/44 0% 1.90 RR Eighth winter tournament