Kim Sofiya
From Novosibirsk, Russia
EMA: 15020096
Internal rating (RR)
Rating date May 6, 2024 (latest changes May 6, 2024).
101 place (149.53).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.10 * 1) = 12.9
p1 = (218.39 * 3.75 * 1 + 233.64 * 4 * 1 + 0 + 0 + 0) / (3.75 * 1 + 4 * 1 + 1 + 1 + 1) = 163.12093023255815
p2 = (233.64 * 4 * 1 + 218.39 * 3.75 * 1) / max_coefficients = 135.9341085271318
score = 163.12093023255815 * 0.5 + 135.9341085271318 * 0.5 = 149.527519379845
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-05-06 | 103 -> 101 | 147.98 -> 149.53 | |
2024-03-30 | 90 -> 103 | 147.98 | |
2024-03-20 | 95 -> 90 | 156.49 -> 147.98 |
Tenpai can't buy happiness: 14% -> 0% |
2024-03-10 | 88 -> 95 | 167.94 -> 156.49 | |
2024-03-06 | 90 -> 88 | 163.91 -> 167.94 | |
2024-02-12 | 93 -> 90 | 160.40 -> 163.91 | |
2024-01-20 | 95 -> 93 | 160.82 -> 160.40 |
Tenpai can't buy happiness: 29% -> 14% |
2024-01-06 | 95 | 157.41 -> 160.82 | |
2023-12-19 | 106 -> 95 | 157.41 | |
2023-12-12 | 107 -> 106 | 154.41 -> 157.41 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 234 |
|
83/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 218 |
|
69/88 | 100% | 3.75 | RR | Money can not buy tenpai |
3 | 104 |
|
61/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
4 | 211 |
|
16/20 | 0% | 2.10 | EMA | Snow Dragon Tournament |
5 | 794 |
|
14/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
6 | 880 |
|
11/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
7 | 109 |
|
50/56 | 0% | 3.00 | EMA | Snow Dragon |
8 | 143 |
|
79/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
9 | 174 |
|
20/24 | 0% | 2.20 | RR | Siberian riichi |
10 | 1000 |
|
1/32 | 0% | 2.20 | RR | Russian riichi championship by JPML-B rules |
11 | 371 |
|
23/36 | 0% | 2.50 | RR | Quick discard 2017 |
12 | 907 |
|
5/44 | 0% | 1.90 | RR | Eighth winter tournament |
13 | 714 |
|
11/36 | 0% | 1.70 | RR | Seventh winter tournament |