Dobrynina Irina
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date May 6, 2024 (latest changes May 6, 2024).
132 place (197.75).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (200 * 1 * 0.86 + 818.18 * 1.10 * 0.29 + 1000 * 1.10 * 0.71 + 0 + 0) / (1 * 0.86 + 1.10 * 0.29 + 1.10 * 0.71 + 1 + 1) = 306.8610851381062
p2 = (1000 * 1.10 * 0.71 + 818.18 * 1.10 * 0.29 + 200 * 1 * 0.86) / max_coefficients = 88.63357664233577
score = 306.8610851381062 * 0.5 + 88.63357664233577 * 0.5 = 197.74733089022098
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-06 | 134 -> 132 | 197.75 | |
| 2024-05-05 | 132 -> 134 | 197.75 | |
| 2024-05-01 | 132 | 196.93 -> 197.75 |
Spring Tournament Irkutsk 2023: 100% -> 86% |
| 2024-04-27 | 133 -> 132 | 196.93 | |
| 2024-04-25 | 134 -> 133 | 196.93 | |
| 2024-04-17 | 135 -> 134 | 196.93 | |
| 2024-04-12 | 138 -> 135 | 196.93 | |
| 2024-03-30 | 127 -> 138 | 196.93 | |
| 2024-03-20 | 133 -> 127 | 196.93 | |
| 2024-03-14 | 124 -> 133 | 215.52 -> 196.93 |
Survive after yakuman: 86% -> 71% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 200 |
|
13/16 | 86% | 1.00 | CRR | Spring Tournament Irkutsk 2023 |
| 2 | 1000 |
|
1/12 | 71% | 1.10 | CRR | Survive after yakuman |
| 3 | 818 |
|
3/12 | 29% | 1.10 | CRR | Summer tournament |
| 4 | 600 |
|
7/16 | 0% | 1.20 | CRR | Winter tournament |
| 5 | 818 |
|
3/12 | 0% | 1.10 | CRR | Summer tournament |
| 6 | 867 |
|
3/16 | 0% | 1.20 | CRR | Winter tournament |
| 7 | 91 |
|
11/12 | 0% | 1.10 | CRR | Spring Tournament |
| 8 | 909 |
|
2/12 | 0% | 1.10 | CRR | Irkutsk Winter Tournament |
| 9 | 818 |
|
3/12 | 0% | 1.10 | CRR | Summer Tournament |