Matrosova Natalia
From Yekaterinburg, Russia
EMA: 15020064
Internal rating (RR)
Rating date Aug. 11, 2024 (latest changes Aug. 11, 2024).
91 place (333.89).
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 + 411.21 * 4 * 1 + 242.99 * 4.60 * 1 + 489.36 * 2.80 * 1 + 303.80 * 3.65 * 1) / (3.75 * 0.71 + 4 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1) = 325.1859633784346
p2 = (411.21 * 4 * 1 + 489.36 * 2.80 * 1 + 242.99 * 4.60 * 1 + 303.80 * 3.65 * 1) / max_coefficients = 342.5941176470588
score = 325.1859633784346 * 0.5 + 342.5941176470588 * 0.5 = 333.89004051274674
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-08-11 | 91 | 330.17 -> 333.89 |
Money can not buy tenpai: 86% -> 71% |
2024-08-04 | 90 -> 91 | 312.60 -> 330.17 |
Riichi over Volga: 0% -> 100% |
2024-07-14 | 101 -> 90 | 236.78 -> 312.60 |
Guardian of the Winds: 0% -> 100% |
2024-06-11 | 109 -> 101 | 235.28 -> 236.78 |
Money can not buy tenpai: 100% -> 86% |
2024-06-09 | 97 -> 109 | 235.28 | |
2024-05-12 | 90 -> 97 | 202.74 -> 235.28 |
X Russian Championship: 0% -> 100% |
2024-05-06 | 92 -> 90 | 200.65 -> 202.74 | |
2024-04-12 | 95 -> 92 | 200.65 | |
2024-03-30 | 84 -> 95 | 200.65 | |
2024-03-20 | 85 -> 84 | 235.15 -> 200.65 |
Tenpai can't buy happiness: 14% -> 0% |
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 | 411 |
|
64/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
5 | 195 |
|
71/88 | 71% | 3.75 | RR | Money can not buy tenpai |
6 | 672 |
|
23/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
7 | 609 |
|
10/24 | 0% | 2.20 | RR | URAL Mahjong Battle |
8 | 211 |
|
57/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
9 | 70 |
|
67/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
10 | 0 |
|
24/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 |