Dobrynina Olga
From Irkutsk, Russia
EMA: 15990385
Common russian riichi rating (CRR)
Rating date Aug. 27, 2024 (latest changes Aug. 27, 2024).
172 place (113.02).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3
p1 = (363.64 * 1.10 * 0.43 + 800 * 1 * 0.71 + 0 + 0 + 0) / (1.10 * 0.43 + 1 * 0.71 + 1 + 1 + 1) = 177.47792515576623
p2 = (800 * 1 * 0.71 + 363.64 * 1.10 * 0.43) / max_coefficients = 48.55424836601308
score = 177.47792515576623 * 0.5 + 48.55424836601308 * 0.5 = 113.01608676088965
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-08-26 | 178 -> 172 | 113.02 | |
| 2024-08-25 | 179 -> 178 | 113.02 | |
| 2024-08-11 | 179 | 112.76 -> 113.02 | |
| 2024-08-04 | 176 -> 179 | 113.73 -> 112.76 | |
| 2024-07-14 | 168 -> 176 | 119.02 -> 113.73 |
Survive after yakuman: 57% -> 43% |
| 2024-07-09 | 169 -> 168 | 119.02 | |
| 2024-07-01 | 168 -> 169 | 132.66 -> 119.02 |
Spring Tournament Irkutsk 2023: 86% -> 71% |
| 2024-06-25 | 169 -> 168 | 132.66 | |
| 2024-06-20 | 170 -> 169 | 132.66 | |
| 2024-06-11 | 180 -> 170 | 131.59 -> 132.66 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 800 |
|
4/16 | 71% | 1.00 | CRR | Spring Tournament Irkutsk 2023 |
| 2 | 364 |
|
8/12 | 43% | 1.10 | CRR | Survive after yakuman |
| 3 | 933 |
|
2/16 | 0% | 1.20 | CRR | Winter tournament |
| 4 | 0 |
|
12/12 | 0% | 1.10 | CRR | Summer tournament |
| 5 | 600 |
|
7/16 | 0% | 1.20 | CRR | Winter tournament |
| 6 | 632 |
|
8/20 | 0% | 1.30 | CRR | Irkutsk Winter Tournament 2019 |
| 7 | 733 |
|
5/16 | 0% | 1.20 | RR | Summer Tournament |
| 8 | 636 |
|
5/12 | 0% | 1.10 | CRR | Spring Tournament |
| 9 | 564 |
|
25/56 | 0% | 3.00 | EMA | Snow Dragon |
| 10 | 818 |
|
3/12 | 0% | 1.10 | CRR | Irkutsk Winter Tournament |
| 11 | 909 |
|
2/12 | 0% | 1.10 | CRR | Summer Tournament |
| 12 | 933 |
|
2/16 | 0% | 1.20 | RR | Spring Tournament |