Matrosova Natalia
From Yekaterinburg, Russia
EMA: 15020064
Common russian riichi rating (CRR)
Rating date March 6, 2024 (latest changes March 6, 2024).
83 place (336.05).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 2.90 * 1 + 4.20 * 0.57) = 13.04988
p1 = (842.11 * 2.10 * 1 + 671.64 * 3.50 * 0.14 + 37.04 * 2.30 * 1 + 148.15 * 2.30 * 1 + 195.40 * 3.75 * 1 + 411.21 * 4 * 1) / (2.10 * 1 + 3.50 * 0.14 + 2.30 * 1 + 2.30 * 1 + 3.75 * 1 + 4 * 1) = 328.28366270572536
p2 = (842.11 * 2.10 * 1 + 411.21 * 4 * 1 + 195.40 * 3.75 * 1 + 148.15 * 2.30 * 1) / max_coefficients = 343.81772092923455
score = 328.28366270572536 * 0.5 + 343.81772092923455 * 0.5 = 336.05069181747996
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-03-06 | 87 -> 83 | 328.49 -> 336.05 | |
2024-03-03 | 88 -> 87 | 328.49 | |
2024-02-25 | 81 -> 88 | 344.69 -> 328.49 |
Chasing Kan: 0% -> 100% |
2024-02-12 | 82 -> 81 | 344.69 | |
2024-01-20 | 74 -> 82 | 362.89 -> 344.69 |
Tenpai can't buy happiness: 29% -> 14% |
2024-01-06 | 77 -> 74 | 355.46 -> 362.89 | |
2023-12-27 | 78 -> 77 | 355.46 | |
2023-12-19 | 79 -> 78 | 355.46 | |
2023-12-12 | 82 -> 79 | 355.46 | |
2023-11-28 | 87 -> 82 | 355.46 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 148 |
|
24/28 | 100% | 2.30 | CRR | Chasing Kan |
2 | 37 |
|
27/28 | 100% | 2.30 | CRR | Finding Dora |
3 | 411 |
|
64/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
4 | 842 |
|
4/20 | 100% | 2.10 | CRR | 13 tiles until tempai |
5 | 195 |
|
71/88 | 100% | 3.75 | RR | Money can not buy tenpai |
6 | 672 |
|
23/68 | 14% | 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 |