Matrosova Natalia
From Yekaterinburg, Russia
EMA: 15020064
Common russian riichi rating (CRR)
Rating date Dec. 17, 2023 (latest changes Dec. 17, 2023).
79 place (355.46).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001
p1 = (842.11 * 2.10 * 1 + 671.64 * 3.50 * 0.29 + 195.40 * 3.75 * 1 + 411.21 * 4 * 1 + 37.04 * 2.30 * 1) / (2.10 * 1 + 3.50 * 0.29 + 3.75 * 1 + 4 * 1 + 2.30 * 1) = 372.8409613724766
p2 = (842.11 * 2.10 * 1 + 411.21 * 4 * 1 + 195.40 * 3.75 * 1 + 671.64 * 3.50 * 0.29) / max_coefficients = 338.08497230140443
score = 372.8409613724766 * 0.5 + 338.08497230140443 * 0.5 = 355.4629668369405
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-12-12 | 82 -> 79 | 355.46 | |
2023-11-28 | 87 -> 82 | 355.46 | |
2023-11-26 | 83 -> 87 | 356.66 -> 355.46 | |
2023-11-20 | 76 -> 83 | 374.00 -> 356.66 |
Tenpai can't buy happiness: 43% -> 29% |
2023-11-06 | 80 -> 76 | 366.59 -> 374.00 | |
2023-11-05 | 68 -> 80 | 383.34 -> 366.59 |
Finding Dora: 0% -> 100% |
2023-10-22 | 67 -> 68 | 383.34 | |
2023-10-19 | 69 -> 67 | 383.34 | |
2023-10-12 | 74 -> 69 | 382.25 -> 383.34 | |
2023-09-28 | 75 -> 74 | 382.25 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 37 |
|
27/28 | 100% | 2.30 | CRR | Finding Dora |
2 | 411 |
|
64/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
3 | 842 |
|
4/20 | 100% | 2.10 | CRR | 13 tiles until tempai |
4 | 195 |
|
71/88 | 100% | 3.75 | RR | Money can not buy tenpai |
5 | 672 |
|
23/68 | 29% | 3.50 | RR | Tenpai can't buy happiness |
6 | 609 |
|
10/24 | 0% | 2.20 | RR | URAL Mahjong Battle |
7 | 211 |
|
57/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
8 | 70 |
|
67/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
9 | 0 |
|
24/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 |