Butyrskikh Anna
From Yekaterinburg, Russia
EMA: 15020093
Common russian riichi rating (CRR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
176 place (51.77).
how we calculated rating score
max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645
p1 = (789.47 * 2.10 * 0.14 + 63.49 * 3.85 * 0.71 + 0 + 0 + 0) / (2.10 * 0.14 + 3.85 * 0.71 + 1 + 1 + 1) = 68.01820452237094
p2 = (789.47 * 2.10 * 0.14 + 63.49 * 3.85 * 0.71) / max_coefficients = 35.5198178435469
score = 68.01820452237094 * 0.5 + 35.5198178435469 * 0.5 = 51.76901118295892
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2021-02-01 | 191 -> 176 | 235.23 -> 51.77 | |
2020-02-01 | 191 | 235.23 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 63 |
|
60/64 | 71% | 3.85 | EMA | Aki Shanten 2019 |
2 | 789 |
|
5/20 | 14% | 2.10 | RR | Spring hope |
3 | 396 |
|
56/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
4 | 478 |
|
13/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 |
5 | 1000 |
|
1/28 | 0% | 2.10 | RR | Tyumen Mahjong Tournament (TMT) 2017 |
6 | 419 |
|
19/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 |
7 | 259 |
|
21/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 |
8 | 739 |
|
7/24 | 0% | 2.20 | RR | The first tournament of 2017 |
9 | 743 |
|
10/36 | 0% | 2.50 | RR | Quick discard 2017 |
10 | 211 |
|
16/20 | 0% | 1.70 | RR | "Tiles, doras, 2 renchans" |
11 | 870 |
|
4/24 | 0% | 1.80 | RR | 4 riichi mahjong tournament 2015 |
12 | 316 |
|
14/20 | 0% | 1.70 | RR | Plitochka |
13 | 267 |
|
12/16 | 0% | 1.60 | RR | 3 riichi mahjong tournament 2015 |
14 | 800 |
|
4/16 | 0% | 1.60 | RR | 2 autumn riichi mahjong tournament 2015 |
15 | 111 |
|
25/28 | 0% | 1.90 | RR | 2 winter riichi mahjong tournament 2015 |
16 | 1000 |
|
1/20 | 0% | 1.30 | RR | Autumn riichi mahjong tournament 2014 |