Kim Sofiya
From Novosibirsk, Russia
EMA: 15020096
Internal rating (RR)
Rating date Sept. 6, 2023 (latest changes Sept. 6, 2023).
124 place (149.62).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (104.48 * 3.50 * 0.57 + 218.39 * 3.75 * 1 + 233.64 * 4 * 1 + 0 + 0) / (3.50 * 0.57 + 3.75 * 1 + 4 * 1 + 1 + 1) = 167.0218469944425
p2 = (233.64 * 4 * 1 + 218.39 * 3.75 * 1 + 104.48 * 3.50 * 0.57) / max_coefficients = 132.21729020209307
score = 167.0218469944425 * 0.5 + 132.21729020209307 * 0.5 = 149.6195685982678
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-09-03 | 113 -> 124 | 98.76 -> 149.62 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-12 | 113 | 97.03 -> 98.76 | |
2023-07-20 | 113 | 97.18 -> 97.03 |
Tenpai can't buy happiness: 71% -> 57% |
2023-06-19 | 114 -> 113 | 97.18 | |
2023-06-12 | 115 -> 114 | 95.63 -> 97.18 | |
2023-06-11 | 54 -> 115 | 389.44 -> 95.63 |
Money can not buy tenpai: 0% -> 100% |
2021-02-01 | 71 -> 54 | 485.69 -> 389.44 | |
2020-02-01 | 71 | 485.69 |
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 | 57% | 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 |