Kim Sofiya
From Novosibirsk, Russia
EMA: 15020096
Internal rating (RR)
Rating date Sept. 3, 2024 (latest changes Sept. 3, 2024).
57 place (474.64).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (218.39 * 3.75 * 0.71 + 233.64 * 4 * 0.86 + 196.26 * 4.60 * 1 + 680.85 * 2.80 * 1 + 658.23 * 3.65 * 1 + 694.74 * 3.85 * 1) / (3.75 * 0.71 + 4 * 0.86 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.85 * 1) = 441.3985321576949
p2 = (694.74 * 3.85 * 1 + 658.23 * 3.65 * 1 + 680.85 * 2.80 * 1 + 196.26 * 4.60 * 1) / max_coefficients = 507.8726720074187
score = 441.3985321576949 * 0.5 + 507.8726720074187 * 0.5 = 474.63560208255683
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-09-03 | 61 -> 57 | 463.86 -> 474.64 |
SPB Riichi Open 2023: 100% -> 86% |
2024-09-01 | 73 -> 61 | 390.70 -> 463.86 |
SPB Riichi Open 2024: 0% -> 100% |
2024-08-11 | 74 -> 73 | 386.21 -> 390.70 |
Money can not buy tenpai: 86% -> 71% |
2024-08-04 | 97 -> 74 | 291.91 -> 386.21 |
Riichi over Volga: 0% -> 100% |
2024-07-14 | 118 -> 97 | 177.33 -> 291.91 |
Guardian of the Winds: 0% -> 100% |
2024-07-06 | 120 -> 118 | 177.33 | |
2024-06-11 | 128 -> 120 | 178.80 -> 177.33 |
Money can not buy tenpai: 100% -> 86% |
2024-06-09 | 116 -> 128 | 178.80 | |
2024-05-12 | 101 -> 116 | 149.53 -> 178.80 |
X Russian Championship: 0% -> 100% |
2024-05-06 | 103 -> 101 | 147.98 -> 149.53 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 695 |
|
30/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
2 | 658 |
|
28/80 | 100% | 3.65 | RR | Riichi over Volga |
3 | 681 |
|
16/48 | 100% | 2.80 | RR | Guardian of the Winds |
4 | 196 |
|
87/108 | 100% | 4.60 | RR | X Russian Championship |
5 | 234 |
|
83/108 | 86% | 4.00 | RR | SPB Riichi Open 2023 |
6 | 218 |
|
69/88 | 71% | 3.75 | RR | Money can not buy tenpai |
7 | 104 |
|
61/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
8 | 211 |
|
16/20 | 0% | 2.10 | EMA | Snow Dragon Tournament |
9 | 794 |
|
14/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
10 | 880 |
|
11/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
11 | 109 |
|
50/56 | 0% | 3.00 | EMA | Snow Dragon |
12 | 143 |
|
79/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
13 | 174 |
|
20/24 | 0% | 2.20 | RR | Siberian riichi |
14 | 1000 |
|
1/32 | 0% | 2.20 | RR | Russian riichi championship by JPML-B rules |
15 | 371 |
|
23/36 | 0% | 2.50 | RR | Quick discard 2017 |
16 | 907 |
|
5/44 | 0% | 1.90 | RR | Eighth winter tournament |
17 | 714 |
|
11/36 | 0% | 1.70 | RR | Seventh winter tournament |