Dobrynina Irina
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
135 place (166.48).
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 = (90.91 * 1.10 * 0.14 + 866.67 * 1.20 * 1 + 0 + 0 + 0) / (1.10 * 0.14 + 1.20 * 1 + 1 + 1 + 1) = 241.96557873308254
p2 = (866.67 * 1.20 * 1 + 90.91 * 1.10 * 0.14) / max_coefficients = 90.99968107084241
score = 241.96557873308254 * 0.5 + 90.99968107084241 * 0.5 = 166.48262990196247
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2021-02-01 | 205 -> 135 | 204.80 -> 166.48 | |
| 2020-02-01 | 205 | 204.80 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 867 |
|
3/16 | 100% | 1.20 | CRR | Winter tournament |
| 2 | 91 |
|
11/12 | 14% | 1.10 | CRR | Spring Tournament |
| 3 | 909 |
|
2/12 | 0% | 1.10 | CRR | Irkutsk Winter Tournament |
| 4 | 818 |
|
3/12 | 0% | 1.10 | CRR | Summer Tournament |