Kim Sofiya
From Novosibirsk, Russia
EMA: 15020096
Common russian riichi rating (CRR)
Rating date March 13, 2025 (latest changes March 10, 2025).
45 place (576.45).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (218.39 * 3.75 * 0.29 + 233.64 * 4 * 0.43 + 466.67 * 1.60 * 1 + 196.26 * 4.60 * 1 + 680.85 * 2.80 * 1 + 658.23 * 3.65 * 1 + 694.74 * 3.85 * 1 + 869.57 * 2.20 * 1 + 967.74 * 2.40 * 1) / (3.75 * 0.29 + 4 * 0.43 + 1.60 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.85 * 1 + 2.20 * 1 + 2.40 * 1) = 565.3272711477857
p2 = (694.74 * 3.85 * 1 + 658.23 * 3.65 * 1 + 967.74 * 2.40 * 1 + 869.57 * 2.20 * 1) / max_coefficients = 587.5640378548895
score = 565.3272711477857 * 0.5 + 587.5640378548895 * 0.5 = 576.4456545013377
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-03-10 | 47 -> 45 | 576.45 | |
2025-03-03 | 50 -> 47 | 572.57 -> 576.45 |
SPB Riichi Open 2023: 57% -> 43% |
2025-03-02 | 60 -> 50 | 537.13 -> 572.57 |
Riichi Maslenitsa (shrovetide): 0% -> 100% |
2025-02-16 | 52 -> 60 | 537.13 | |
2025-02-11 | 53 -> 52 | 533.64 -> 537.13 |
Money can not buy tenpai: 43% -> 29% |
2025-02-02 | 52 -> 53 | 533.64 | |
2025-01-26 | 53 -> 52 | 533.64 | |
2025-01-07 | 50 -> 53 | 533.64 | |
2025-01-03 | 51 -> 50 | 530.28 -> 533.64 |
SPB Riichi Open 2023: 71% -> 57% |
2024-12-22 | 52 -> 51 | 530.28 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 968 |
|
2/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) |
2 | 870 |
|
4/24 | 100% | 2.20 | CRR | Tails, money, two renchans |
3 | 695 |
|
30/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
4 | 658 |
|
28/80 | 100% | 3.65 | RR | Riichi over Volga |
5 | 681 |
|
16/48 | 100% | 2.80 | RR | Guardian of the Winds |
6 | 196 |
|
87/108 | 100% | 4.60 | RR | X Russian Championship |
7 | 467 |
|
9/16 | 100% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 |
8 | 234 |
|
83/108 | 43% | 4.00 | RR | SPB Riichi Open 2023 |
9 | 218 |
|
69/88 | 29% | 3.75 | RR | Money can not buy tenpai |
10 | 104 |
|
61/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
11 | 211 |
|
16/20 | 0% | 2.10 | EMA | Snow Dragon Tournament |
12 | 794 |
|
14/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
13 | 880 |
|
11/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
14 | 109 |
|
50/56 | 0% | 3.00 | EMA | Snow Dragon |
15 | 143 |
|
79/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
16 | 105 |
|
18/20 | 0% | 1.30 | CRR | Awakening of the rising sun dragon |
17 | 174 |
|
20/24 | 0% | 2.20 | RR | Siberian riichi |
18 | 1000 |
|
1/32 | 0% | 2.20 | RR | Russian riichi championship by JPML-B rules |
19 | 371 |
|
23/36 | 0% | 2.50 | RR | Quick discard 2017 |
20 | 907 |
|
5/44 | 0% | 1.90 | RR | Eighth winter tournament |
21 | 714 |
|
11/36 | 0% | 1.70 | RR | Seventh winter tournament |