Matrosova Natalia
From Yekaterinburg, Russia
EMA: 15020064
Common russian riichi rating (CRR)
Rating date Nov. 6, 2023 (latest changes Nov. 6, 2023).
76 place (374.00).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002
p1 = (671.64 * 3.50 * 0.43 + 842.11 * 2.10 * 1 + 195.40 * 3.75 * 1 + 411.21 * 4 * 1 + 37.04 * 2.30 * 1) / (3.50 * 0.43 + 2.10 * 1 + 3.75 * 1 + 4 * 1 + 2.30 * 1) = 383.78912974996507
p2 = (842.11 * 2.10 * 1 + 411.21 * 4 * 1 + 671.64 * 3.50 * 0.43 + 195.40 * 3.75 * 1) / max_coefficients = 364.21452711059214
score = 383.78912974996507 * 0.5 + 364.21452711059214 * 0.5 = 374.0018284302786
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-11-06 | 80 -> 76 | 366.59 -> 374.00 | |
| 2023-11-05 | 67 -> 80 | 383.34 -> 366.59 |
Finding Dora: 0% -> 100% |
| 2023-11-04 | 68 -> 67 | 383.34 | |
| 2023-11-03 | 67 -> 68 | 383.34 | |
| 2023-10-28 | 68 -> 67 | 383.34 | |
| 2023-10-27 | 67 -> 68 | 383.34 | |
| 2023-10-23 | 68 -> 67 | 383.34 | |
| 2023-10-22 | 66 -> 68 | 383.34 | |
| 2023-10-21 | 67 -> 66 | 383.34 | |
| 2023-10-19 | 68 -> 67 | 383.34 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 37 |
|
27/28 | 100% | 2.30 | CRR | Finding Dora | Yekaterinburg | |
| 2 | 411 |
|
64/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 3 | 842 |
|
4/20 | 100% | 2.10 | CRR | 13 tiles until tempai | Yekaterinburg | |
| 4 | 195 |
|
71/88 | 100% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 5 | 672 |
|
23/68 | 43% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 6 | 609 |
|
10/24 | 0% | 2.20 | RR | URAL Mahjong Battle | Yekaterinburg | |
| 7 | 211 |
|
57/72 | 0% | 3.85 | EMA | Haru Shanten 2018 | Perm | |
| 8 | 70 |
|
67/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten | Perm | |
| 9 | 0 |
|
24/24 | 0% | 2.20 | RR | Summer EMA rules tournament 2017 | Yekaterinburg |