Kim Sofiya
From Novosibirsk, Russia
EMA: 15020096
Common russian riichi rating (CRR)
Rating date Aug. 25, 2024 (latest changes Aug. 25, 2024).
92 place (394.30).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3
p1 = (218.39 * 3.75 * 0.71 + 233.64 * 4 * 1 + 466.67 * 1.60 * 1 + 196.26 * 4.60 * 1 + 680.85 * 2.80 * 1 + 658.23 * 3.65 * 1) / (3.75 * 0.71 + 4 * 1 + 1.60 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1) = 386.8847370156957
p2 = (658.23 * 3.65 * 1 + 680.85 * 2.80 * 1 + 233.64 * 4 * 1 + 196.26 * 4.60 * 1) / max_coefficients = 401.7183006535947
score = 386.8847370156957 * 0.5 + 401.7183006535947 * 0.5 = 394.3015188346452
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-08-25 | 93 -> 92 | 394.30 | |
| 2024-08-22 | 94 -> 93 | 394.30 | |
| 2024-08-20 | 95 -> 94 | 394.30 | |
| 2024-08-11 | 95 | 389.90 -> 394.30 |
Money can not buy tenpai: 86% -> 71% |
| 2024-08-04 | 114 -> 95 | 311.17 -> 389.90 |
Riichi over Volga: 0% -> 100% |
| 2024-07-14 | 138 -> 114 | 224.52 -> 311.17 |
Guardian of the Winds: 0% -> 100% |
| 2024-06-25 | 140 -> 138 | 224.52 | |
| 2024-06-22 | 139 -> 140 | 224.52 | |
| 2024-06-11 | 143 -> 139 | 224.30 -> 224.52 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 134 -> 143 | 224.30 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 658 |
|
28/80 | 100% | 3.65 | RR | Riichi over Volga |
| 2 | 681 |
|
16/48 | 100% | 2.80 | RR | Guardian of the Winds |
| 3 | 196 |
|
87/108 | 100% | 4.60 | RR | X Russian Championship |
| 4 | 467 |
|
9/16 | 100% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 |
| 5 | 234 |
|
83/108 | 100% | 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 | 105 |
|
18/20 | 0% | 1.30 | CRR | Awakening of the rising sun dragon |
| 14 | 174 |
|
20/24 | 0% | 2.20 | RR | Siberian riichi |
| 15 | 1000 |
|
1/32 | 0% | 2.20 | RR | Russian riichi championship by JPML-B rules |
| 16 | 371 |
|
23/36 | 0% | 2.50 | RR | Quick discard 2017 |
| 17 | 907 |
|
5/44 | 0% | 1.90 | RR | Eighth winter tournament |
| 18 | 714 |
|
11/36 | 0% | 1.70 | RR | Seventh winter tournament |