Matrosova Natalia
From Yekaterinburg, Russia
EMA: 15020064
Common russian riichi rating (CRR)
Rating date Oct. 11, 2024 (latest changes Oct. 11, 2024).
124 place (311.39).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (842.11 * 2.10 * 0.86 + 489.36 * 2.80 * 1 + 195.40 * 3.75 * 0.57 + 411.21 * 4 * 0.86 + 37.04 * 2.30 * 1 + 148.15 * 2.30 * 1 + 242.99 * 4.60 * 1 + 303.80 * 3.65 * 1 + 0 * 3.85 * 1) / (2.10 * 0.86 + 2.80 * 1 + 3.75 * 0.57 + 4 * 0.86 + 2.30 * 1 + 2.30 * 1 + 4.60 * 1 + 3.65 * 1 + 3.85 * 1) = 274.1603792332718
p2 = (842.11 * 2.10 * 0.86 + 411.21 * 4 * 0.86 + 489.36 * 2.80 * 1 + 242.99 * 4.60 * 1) / max_coefficients = 348.6186600036063
score = 274.1603792332718 * 0.5 + 348.6186600036063 * 0.5 = 311.38951961843907
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-10-11 | 126 -> 124 | 310.62 -> 311.39 |
Money can not buy tenpai: 71% -> 57% |
2024-09-15 | 124 -> 126 | 310.62 | |
2024-09-03 | 124 | 313.15 -> 310.62 |
SPB Riichi Open 2023: 100% -> 86% |
2024-09-01 | 104 -> 124 | 344.29 -> 313.15 |
SPB Riichi Open 2024: 0% -> 100% |
2024-08-27 | 101 -> 104 | 355.76 -> 344.29 |
13 tiles until tempai: 100% -> 86% |
2024-08-26 | 104 -> 101 | 355.76 | |
2024-08-11 | 107 -> 104 | 352.32 -> 355.76 |
Money can not buy tenpai: 86% -> 71% |
2024-08-04 | 102 -> 107 | 361.67 -> 352.32 |
Riichi over Volga: 0% -> 100% |
2024-07-14 | 106 -> 102 | 324.37 -> 361.67 |
Guardian of the Winds: 0% -> 100% |
2024-06-25 | 107 -> 106 | 324.37 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 0 |
|
96/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
2 | 304 |
|
56/80 | 100% | 3.65 | RR | Riichi over Volga |
3 | 489 |
|
25/48 | 100% | 2.80 | RR | Guardian of the Winds |
4 | 243 |
|
82/108 | 100% | 4.60 | RR | X Russian Championship |
5 | 148 |
|
24/28 | 100% | 2.30 | CRR | Chasing Kan |
6 | 37 |
|
27/28 | 100% | 2.30 | CRR | Finding Dora |
7 | 411 |
|
64/108 | 86% | 4.00 | RR | SPB Riichi Open 2023 |
8 | 842 |
|
4/20 | 86% | 2.10 | CRR | 13 tiles until tempai |
9 | 195 |
|
71/88 | 57% | 3.75 | RR | Money can not buy tenpai |
10 | 672 |
|
23/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
11 | 609 |
|
10/24 | 0% | 2.20 | RR | URAL Mahjong Battle |
12 | 211 |
|
57/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
13 | 70 |
|
67/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
14 | 0 |
|
24/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 |