Matrosova Natalia
From Yekaterinburg, Russia
EMA: 15020064
Internal rating (RR)
Rating date Nov. 20, 2023 (latest changes Nov. 20, 2023).
94 place (253.40).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002
p1 = (671.64 * 3.50 * 0.29 + 195.40 * 3.75 * 1 + 411.21 * 4 * 1 + 0 + 0) / (3.50 * 0.29 + 3.75 * 1 + 4 * 1 + 1 + 1) = 283.65062163079824
p2 = (411.21 * 4 * 1 + 195.40 * 3.75 * 1 + 671.64 * 3.50 * 0.29) / max_coefficients = 223.1580965735484
score = 283.65062163079824 * 0.5 + 223.1580965735484 * 0.5 = 253.40435910217332
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-11-20 | 92 -> 94 | 274.32 -> 253.40 |
Tenpai can't buy happiness: 43% -> 29% |
2023-11-06 | 97 -> 92 | 269.11 -> 274.32 | |
2023-10-12 | 99 -> 97 | 264.48 -> 269.11 | |
2023-09-28 | 101 -> 99 | 264.48 | |
2023-09-20 | 96 -> 101 | 283.68 -> 264.48 |
Tenpai can't buy happiness: 57% -> 43% |
2023-09-06 | 95 -> 96 | 283.68 | |
2023-09-03 | 99 -> 95 | 199.45 -> 283.68 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-12 | 99 | 195.97 -> 199.45 | |
2023-07-28 | 100 -> 99 | 195.97 | |
2023-07-20 | 97 -> 100 | 217.00 -> 195.97 |
Tenpai can't buy happiness: 71% -> 57% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 411 |
|
64/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 195 |
|
71/88 | 100% | 3.75 | RR | Money can not buy tenpai |
3 | 672 |
|
23/68 | 29% | 3.50 | RR | Tenpai can't buy happiness |
4 | 609 |
|
10/24 | 0% | 2.20 | RR | URAL Mahjong Battle |
5 | 211 |
|
57/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
6 | 70 |
|
67/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
7 | 0 |
|
24/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 |