Matveeva Alyona
From Barnaul, Russia
EMA: 15020090
Common russian riichi rating (CRR)
Rating date May 6, 2025 (latest changes May 5, 2025).
60 place (545.55).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (931.03 * 3.75 * 0.14 + 888.89 * 2.30 * 0.43 + 794.39 * 4.60 * 1 + 625 * 2.20 * 1 + 0) / (3.75 * 0.14 + 2.30 * 0.43 + 4.60 * 1 + 2.20 * 1 + 1) = 687.0432342754586
p2 = (794.39 * 4.60 * 1 + 625 * 2.20 * 1 + 888.89 * 2.30 * 0.43 + 931.03 * 3.75 * 0.14) / max_coefficients = 404.06182965299683
score = 687.0432342754586 * 0.5 + 404.06182965299683 * 0.5 = 545.5525319642277
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-05-05 | 56 -> 60 | 558.20 -> 545.55 |
Finding Dora: 57% -> 43% |
2025-05-03 | 54 -> 56 | 558.20 | |
2025-04-27 | 55 -> 54 | 558.20 | |
2025-04-25 | 56 -> 55 | 558.20 | |
2025-04-22 | 57 -> 56 | 558.20 | |
2025-04-13 | 75 -> 57 | 482.73 -> 558.20 |
Akademgorodok Riichi Mahjong Tournament 2025: 0% -> 100% |
2025-04-11 | 69 -> 75 | 507.44 -> 482.73 |
Money can not buy tenpai: 29% -> 14% |
2025-03-26 | 70 -> 69 | 507.44 | |
2025-03-10 | 71 -> 70 | 507.44 | |
2025-03-05 | 66 -> 71 | 520.91 -> 507.44 |
Finding Dora: 71% -> 57% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
---|---|---|---|---|---|---|---|---|
1 | 625 |
|
10/25 | 100% | 2.20 | CRR | Akademgorodok Riichi Mahjong Tournament 2025 | Novosibirsk |
2 | 794 |
|
23/108 | 100% | 4.60 | RR | X Russian Championship | Perm |
3 | 889 |
|
4/28 | 43% | 2.30 | CRR | Finding Dora | Yekaterinburg |
4 | 931 |
|
7/88 | 14% | 3.75 | RR | Money can not buy tenpai | Perm |
5 | 840 |
|
13/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |
6 | 910 |
|
7/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm |
7 | 1000 |
|
1/20 | 0% | 2.10 | EMA | Snow Dragon Tournament | Novosibirsk |
8 | 302 |
|
45/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm |
9 | 778 |
|
7/28 | 0% | 2.30 | RR | The Green dragon tournament | Novosibirsk |
10 | 735 |
|
23/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm |
11 | 964 |
|
3/56 | 0% | 3.00 | EMA | Snow Dragon | Novosibirsk |
12 | 868 |
|
13/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm |
13 | 368 |
|
13/20 | 0% | 1.30 | CRR | Awakening of the rising sun dragon | Novosibirsk |
14 | 957 |
|
2/24 | 0% | 2.20 | RR | Siberian riichi | Novosibirsk |
15 | 839 |
|
6/32 | 0% | 2.20 | RR | Russian riichi championship by JPML-B rules | Novosibirsk |
16 | 857 |
|
6/36 | 0% | 2.50 | RR | Quick discard 2017 | Novosibirsk |
17 | 806 |
|
7/32 | 0% | 2.40 | RR | Siberia Cup 2016 | Novosibirsk |
18 | 222 |
|
78/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 | Moscow |
19 | 930 |
|
4/44 | 0% | 1.90 | RR | Eighth winter tournament | Novosibirsk |