Matveeva Alyona
From Barnaul, Russia
EMA: 15020090
Internal rating (RR)
Rating date Nov. 19, 2022 (latest changes Nov. 19, 2022).
24 place (534.64).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 1) = 15.2
p1 = (910.45 * 3.50 * 1 + 840 * 4.20 * 1 + 0 + 0 + 0) / (3.50 * 1 + 4.20 * 1 + 1 + 1 + 1) = 627.5299065420561
p2 = (840 * 4.20 * 1 + 910.45 * 3.50 * 1) / max_coefficients = 441.7480263157895
score = 627.5299065420561 * 0.5 + 441.7480263157895 * 0.5 = 534.6389664289228
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-11-06 | 39 -> 24 | 476.73 -> 534.64 |
IX Russian Riichi Championship: 0% -> 100% |
2021-02-01 | 20 -> 39 | 695.34 -> 476.73 | |
2020-02-01 | 20 | 695.34 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 840 |
|
13/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 910 |
|
7/68 | 100% | 3.50 | RR | Tenpai can't buy happiness |
3 | 1000 |
|
1/20 | 0% | 2.10 | EMA | Snow Dragon Tournament |
4 | 302 |
|
45/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
5 | 778 |
|
7/28 | 0% | 2.30 | RR | The Green dragon tournament |
6 | 735 |
|
23/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
7 | 964 |
|
3/56 | 0% | 3.00 | EMA | Snow Dragon |
8 | 868 |
|
13/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
9 | 957 |
|
2/24 | 0% | 2.20 | RR | Siberian riichi |
10 | 839 |
|
6/32 | 0% | 2.20 | RR | Russian riichi championship by JPML-B rules |
11 | 857 |
|
6/36 | 0% | 2.50 | RR | Quick discard 2017 |
12 | 806 |
|
7/32 | 0% | 2.40 | RR | Siberia Cup 2016 |
13 | 222 |
|
78/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
14 | 930 |
|
4/44 | 0% | 1.90 | RR | Eighth winter tournament |