Dobrynina Olga
From Irkutsk, Russia
EMA: 15990385
Common russian riichi rating (CRR)
Rating date June 9, 2024 (latest changes June 9, 2024).
180 place (131.59).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999
p1 = (363.64 * 1.10 * 0.57 + 800 * 1 * 0.86 + 0 + 0 + 0) / (1.10 * 0.57 + 1 * 0.86 + 1 + 1 + 1) = 203.81484024576204
p2 = (800 * 1 * 0.86 + 363.64 * 1.10 * 0.57) / max_coefficients = 59.36623376623377
score = 203.81484024576204 * 0.5 + 59.36623376623377 * 0.5 = 131.5905370059979
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-06-09 | 173 -> 180 | 131.59 | |
| 2024-05-25 | 169 -> 173 | 131.59 | |
| 2024-05-19 | 167 -> 169 | 131.59 | |
| 2024-05-14 | 166 -> 167 | 136.15 -> 131.59 |
Survive after yakuman: 71% -> 57% |
| 2024-05-12 | 155 -> 166 | 140.07 -> 136.15 | |
| 2024-05-05 | 154 -> 155 | 140.07 | |
| 2024-05-03 | 155 -> 154 | 140.07 | |
| 2024-05-01 | 147 -> 155 | 153.06 -> 140.07 |
Spring Tournament Irkutsk 2023: 100% -> 86% |
| 2024-04-27 | 148 -> 147 | 153.06 | |
| 2024-04-20 | 149 -> 148 | 153.06 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 800 |
|
4/16 | 86% | 1.00 | CRR | Spring Tournament Irkutsk 2023 |
| 2 | 364 |
|
8/12 | 57% | 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 |