Matrosova Natalia
From Yekaterinburg, Russia
EMA: 15020064
Common russian riichi rating (CRR)
Rating date Aug. 25, 2024 (latest changes Aug. 25, 2024).
104 place (355.76).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3
p1 = (195.40 * 3.75 * 0.71 + 842.11 * 2.10 * 1 + 411.21 * 4 * 1 + 37.04 * 2.30 * 1 + 148.15 * 2.30 * 1 + 242.99 * 4.60 * 1 + 489.36 * 2.80 * 1 + 303.80 * 3.65 * 1) / (3.75 * 0.71 + 2.10 * 1 + 4 * 1 + 2.30 * 1 + 2.30 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1) = 325.82472406858756
p2 = (842.11 * 2.10 * 1 + 411.21 * 4 * 1 + 489.36 * 2.80 * 1 + 242.99 * 4.60 * 1) / max_coefficients = 385.70261437908493
score = 325.82472406858756 * 0.5 + 385.70261437908493 * 0.5 = 355.76366922383625
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | |
2024-06-11 | 111 -> 107 | 320.24 -> 324.37 |
Money can not buy tenpai: 100% -> 86% |
2024-06-09 | 105 -> 111 | 320.24 | |
2024-05-19 | 104 -> 105 | 320.24 | |
2024-05-12 | 85 -> 104 | 321.95 -> 320.24 |
X Russian Championship: 0% -> 100% |
2024-05-06 | 87 -> 85 | 321.95 | |
2024-04-27 | 88 -> 87 | 321.95 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 304 |
|
56/80 | 100% | 3.65 | RR | Riichi over Volga |
2 | 489 |
|
25/48 | 100% | 2.80 | RR | Guardian of the Winds |
3 | 243 |
|
82/108 | 100% | 4.60 | RR | X Russian Championship |
4 | 148 |
|
24/28 | 100% | 2.30 | CRR | Chasing Kan |
5 | 37 |
|
27/28 | 100% | 2.30 | CRR | Finding Dora |
6 | 411 |
|
64/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
7 | 842 |
|
4/20 | 100% | 2.10 | CRR | 13 tiles until tempai |
8 | 195 |
|
71/88 | 71% | 3.75 | RR | Money can not buy tenpai |
9 | 672 |
|
23/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
10 | 609 |
|
10/24 | 0% | 2.20 | RR | URAL Mahjong Battle |
11 | 211 |
|
57/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
12 | 70 |
|
67/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
13 | 0 |
|
24/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 |