Matrosova Natalia
From Yekaterinburg, Russia
EMA: 15020064
Common russian riichi rating (CRR)
Rating date Oct. 12, 2023 (latest changes Oct. 12, 2023).
69 place (383.34).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75
p1 = (842.11 * 2.10 * 1 + 671.64 * 3.50 * 0.43 + 411.21 * 4 * 1 + 195.40 * 3.75 * 1 + 0) / (2.10 * 1 + 3.50 * 0.43 + 4 * 1 + 3.75 * 1 + 1) = 417.2897385446271
p2 = (842.11 * 2.10 * 1 + 411.21 * 4 * 1 + 671.64 * 3.50 * 0.43 + 195.40 * 3.75 * 1) / max_coefficients = 349.3945762711864
score = 417.2897385446271 * 0.5 + 349.3945762711864 * 0.5 = 383.3421574079067
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-10-12 | 74 -> 69 | 382.25 -> 383.34 | |
2023-09-28 | 75 -> 74 | 382.25 | |
2023-09-20 | 67 -> 75 | 398.50 -> 382.25 |
Tenpai can't buy happiness: 57% -> 43% |
2023-09-03 | 78 -> 67 | 336.04 -> 398.50 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-27 | 127 -> 78 | 194.71 -> 336.04 |
13 tiles until tempai: 0% -> 100% |
2023-08-26 | 126 -> 127 | 194.71 | |
2023-08-12 | 126 | 191.62 -> 194.71 | |
2023-07-28 | 127 -> 126 | 191.62 | |
2023-07-20 | 121 -> 127 | 215.17 -> 191.62 |
Tenpai can't buy happiness: 71% -> 57% |
2023-07-06 | 123 -> 121 | 215.17 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 411 |
|
64/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 842 |
|
4/20 | 100% | 2.10 | CRR | 13 tiles until tempai |
3 | 195 |
|
71/88 | 100% | 3.75 | RR | Money can not buy tenpai |
4 | 672 |
|
23/68 | 43% | 3.50 | RR | Tenpai can't buy happiness |
5 | 609 |
|
10/24 | 0% | 2.20 | RR | URAL Mahjong Battle |
6 | 211 |
|
57/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
7 | 70 |
|
67/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
8 | 0 |
|
24/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 |