Matveeva Alyona
From Barnaul, Russia
EMA: 15020090
Common russian riichi rating (CRR)
Rating date Jan. 5, 2024 (latest changes Jan. 5, 2024).
3 place (738.74).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001
p1 = (910.45 * 3.50 * 0.29 + 840 * 4.20 * 0.86 + 931.03 * 3.75 * 1 + 888.89 * 2.30 * 1 + 0) / (3.50 * 0.29 + 4.20 * 0.86 + 3.75 * 1 + 2.30 * 1 + 1) = 812.897593686399
p2 = (931.03 * 3.75 * 1 + 840 * 4.20 * 0.86 + 888.89 * 2.30 * 1 + 910.45 * 3.50 * 0.29) / max_coefficients = 664.5747104173946
score = 812.897593686399 * 0.5 + 664.5747104173946 * 0.5 = 738.7361520518969
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-12-12 | 4 -> 3 | 738.74 | |
2023-11-28 | 5 -> 4 | 738.74 | |
2023-11-26 | 3 -> 5 | 741.08 -> 738.74 | |
2023-11-20 | 3 | 759.18 -> 741.08 |
Tenpai can't buy happiness: 43% -> 29% |
2023-11-06 | 4 -> 3 | 762.55 -> 759.18 |
IX Russian Riichi Championship: 100% -> 86% |
2023-11-05 | 11 -> 4 | 650.40 -> 762.55 |
Finding Dora: 0% -> 100% |
2023-10-12 | 11 | 648.62 -> 650.40 | |
2023-09-20 | 10 -> 11 | 667.68 -> 648.62 |
Tenpai can't buy happiness: 57% -> 43% |
2023-09-03 | 5 -> 10 | 693.87 -> 667.68 | |
2023-08-19 | 4 -> 5 | 693.87 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 889 |
|
4/28 | 100% | 2.30 | CRR | Finding Dora |
2 | 931 |
|
7/88 | 100% | 3.75 | RR | Money can not buy tenpai |
3 | 840 |
|
13/76 | 86% | 4.20 | RR | IX Russian Riichi Championship |
4 | 910 |
|
7/68 | 29% | 3.50 | RR | Tenpai can't buy happiness |
5 | 1000 |
|
1/20 | 0% | 2.10 | EMA | Snow Dragon Tournament |
6 | 302 |
|
45/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
7 | 778 |
|
7/28 | 0% | 2.30 | RR | The Green dragon tournament |
8 | 735 |
|
23/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
9 | 964 |
|
3/56 | 0% | 3.00 | EMA | Snow Dragon |
10 | 868 |
|
13/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
11 | 368 |
|
13/20 | 0% | 1.30 | CRR | Awakening of the rising sun dragon |
12 | 957 |
|
2/24 | 0% | 2.20 | RR | Siberian riichi |
13 | 839 |
|
6/32 | 0% | 2.20 | RR | Russian riichi championship by JPML-B rules |
14 | 857 |
|
6/36 | 0% | 2.50 | RR | Quick discard 2017 |
15 | 806 |
|
7/32 | 0% | 2.40 | RR | Siberia Cup 2016 |
16 | 222 |
|
78/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
17 | 930 |
|
4/44 | 0% | 1.90 | RR | Eighth winter tournament |