Matveeva Alyona
From Barnaul, Russia
EMA: 15020090
Common russian riichi rating (CRR)
Rating date July 20, 2023 (latest changes July 20, 2023).
5 place (680.69).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
p1 = (910.45 * 3.50 * 0.57 + 840 * 4.20 * 1 + 931.03 * 3.75 * 1 + 0 + 0) / (3.50 * 0.57 + 4.20 * 1 + 3.75 * 1 + 1 + 1) = 739.7702072820694
p2 = (840 * 4.20 * 1 + 931.03 * 3.75 * 1 + 910.45 * 3.50 * 0.57) / max_coefficients = 621.6174310917005
score = 739.7702072820694 * 0.5 + 621.6174310917005 * 0.5 = 680.6938191868849
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-07-20 | 5 | 700.13 -> 680.69 |
Tenpai can't buy happiness: 71% -> 57% |
2023-06-12 | 5 | 687.35 -> 700.13 | |
2023-06-11 | 29 -> 5 | 513.36 -> 687.35 |
Money can not buy tenpai: 0% -> 100% |
2023-05-28 | 31 -> 29 | 513.36 | |
2023-05-20 | 26 -> 31 | 529.58 -> 513.36 |
Tenpai can't buy happiness: 86% -> 71% |
2023-04-22 | 25 -> 26 | 529.58 | |
2023-04-19 | 27 -> 25 | 529.58 | |
2023-03-28 | 28 -> 27 | 529.58 | |
2023-03-20 | 23 -> 28 | 544.51 -> 529.58 |
Tenpai can't buy happiness: 100% -> 86% |
2023-03-06 | 25 -> 23 | 544.51 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 931 |
|
7/88 | 100% | 3.75 | RR | Money can not buy tenpai |
2 | 840 |
|
13/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
3 | 910 |
|
7/68 | 57% | 3.50 | RR | Tenpai can't buy happiness |
4 | 1000 |
|
1/20 | 0% | 2.10 | EMA | Snow Dragon Tournament |
5 | 302 |
|
45/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
6 | 778 |
|
7/28 | 0% | 2.30 | RR | The Green dragon tournament |
7 | 735 |
|
23/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
8 | 964 |
|
3/56 | 0% | 3.00 | EMA | Snow Dragon |
9 | 868 |
|
13/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
10 | 368 |
|
13/20 | 0% | 1.30 | CRR | Awakening of the rising sun dragon |
11 | 957 |
|
2/24 | 0% | 2.20 | RR | Siberian riichi |
12 | 839 |
|
6/32 | 0% | 2.20 | RR | Russian riichi championship by JPML-B rules |
13 | 857 |
|
6/36 | 0% | 2.50 | RR | Quick discard 2017 |
14 | 806 |
|
7/32 | 0% | 2.40 | RR | Siberia Cup 2016 |
15 | 222 |
|
78/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
16 | 930 |
|
4/44 | 0% | 1.90 | RR | Eighth winter tournament |