Dobrynina Olga
From Irkutsk, Russia
EMA: 15990385
Common russian riichi rating (CRR)
Rating date May 6, 2024 (latest changes May 6, 2024).
155 place (140.07).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (800 * 1 * 0.86 + 363.64 * 1.10 * 0.71 + 0 + 0 + 0) / (1 * 0.86 + 1.10 * 0.71 + 1 + 1 + 1) = 209.22583855105614
p2 = (800 * 1 * 0.86 + 363.64 * 1.10 * 0.71) / max_coefficients = 70.90510948905109
score = 209.22583855105614 * 0.5 + 70.90510948905109 * 0.5 = 140.0654740200536
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2024-04-17 | 150 -> 149 | 153.06 | |
| 2024-04-12 | 152 -> 150 | 153.06 | |
| 2024-03-30 | 145 -> 152 | 153.06 | |
| 2024-03-20 | 151 -> 145 | 153.06 | |
| 2024-03-14 | 148 -> 151 | 157.32 -> 153.06 |
Survive after yakuman: 86% -> 71% |
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 | 71% | 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 |