Matrosova Natalia
From Yekaterinburg, Russia
EMA: 15020064
Internal rating (RR)
Rating date July 6, 2023 (latest changes July 6, 2023).
97 place (217.00).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.71) = 13.921305
p1 = (671.64 * 3.50 * 0.71 + 195.40 * 3.75 * 1 + 0 + 0 + 0) / (3.50 * 0.71 + 3.75 * 1 + 1 + 1 + 1) = 260.74453651601885
p2 = (671.64 * 3.50 * 0.71 + 195.40 * 3.75 * 1) / max_coefficients = 173.25243574506845
score = 260.74453651601885 * 0.5 + 173.25243574506845 * 0.5 = 216.99848613054365
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-07-06 | 99 -> 97 | 217.00 | |
| 2023-06-19 | 100 -> 99 | 217.00 | |
| 2023-06-12 | 100 | 213.54 -> 217.00 | |
| 2023-06-11 | 200 -> 100 | 175.25 -> 213.54 |
Money can not buy tenpai: 0% -> 100% |
| 2020-02-01 | 200 | 175.25 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 195 |
|
71/88 | 100% | 3.75 | RR | Money can not buy tenpai |
| 2 | 672 |
|
23/68 | 71% | 3.50 | RR | Tenpai can't buy happiness |
| 3 | 609 |
|
10/24 | 0% | 2.20 | RR | URAL Mahjong Battle |
| 4 | 211 |
|
57/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
| 5 | 70 |
|
67/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
| 6 | 0 |
|
24/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 |