Dobrynina Olga
From Irkutsk, Russia
EMA: 15990385
Common russian riichi rating (CRR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
83 place (309.31).
how we calculated rating score
max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645
p1 = (636.36 * 1.10 * 0.14 + 733.33 * 1.20 * 0.29 + 631.58 * 1.30 * 0.86 + 600 * 1.20 * 1 + 0) / (1.10 * 0.14 + 1.20 * 0.29 + 1.30 * 0.86 + 1.20 * 1 + 1) = 465.4035120836021
p2 = (600 * 1.20 * 1 + 631.58 * 1.30 * 0.86 + 733.33 * 1.20 * 0.29 + 636.36 * 1.10 * 0.14) / max_coefficients = 153.22150816808215
score = 465.4035120836021 * 0.5 + 153.22150816808215 * 0.5 = 309.3125101258421
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2021-02-01 | 86 -> 83 | 467.03 -> 309.31 | |
| 2020-02-01 | 86 | 467.03 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 600 |
|
7/16 | 100% | 1.20 | CRR | Winter tournament |
| 2 | 632 |
|
8/20 | 86% | 1.30 | CRR | Irkutsk Winter Tournament 2019 |
| 3 | 733 |
|
5/16 | 29% | 1.20 | RR | Summer Tournament |
| 4 | 636 |
|
5/12 | 14% | 1.10 | CRR | Spring Tournament |
| 5 | 564 |
|
25/56 | 0% | 3.00 | EMA | Snow Dragon |
| 6 | 818 |
|
3/12 | 0% | 1.10 | CRR | Irkutsk Winter Tournament |
| 7 | 909 |
|
2/12 | 0% | 1.10 | CRR | Summer Tournament |
| 8 | 933 |
|
2/16 | 0% | 1.20 | RR | Spring Tournament |