Dobrynina Irina
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date Sept. 1, 2024 (latest changes Sept. 1, 2024).
191 place (90.63).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.85 * 1 + 3.65 * 1) = 16.099999999999998
p1 = (200 * 1 * 0.57 + 1000 * 1.10 * 0.43 + 0 + 0 + 0) / (1 * 0.57 + 1.10 * 0.43 + 1 + 1 + 1) = 144.8825831218494
p2 = (1000 * 1.10 * 0.43 + 200 * 1 * 0.57) / max_coefficients = 36.38136645962734
score = 144.8825831218494 * 0.5 + 36.38136645962734 * 0.5 = 90.63197479073837
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-01 | 180 -> 191 | 93.46 -> 90.63 |
Spring Tournament Irkutsk 2023: 71% -> 57% |
| 2024-08-26 | 185 -> 180 | 93.46 | |
| 2024-08-25 | 186 -> 185 | 93.46 | |
| 2024-08-20 | 187 -> 186 | 93.46 | |
| 2024-08-11 | 187 | 93.24 -> 93.46 | |
| 2024-08-04 | 185 -> 187 | 94.05 -> 93.24 | |
| 2024-07-14 | 171 -> 185 | 114.76 -> 94.05 |
Survive after yakuman: 57% -> 43% |
| 2024-07-09 | 157 -> 171 | 158.85 -> 114.76 |
Summer tournament: 14% -> 0% |
| 2024-07-03 | 158 -> 157 | 158.85 | |
| 2024-07-01 | 158 | 158.69 -> 158.85 |
Spring Tournament Irkutsk 2023: 86% -> 71% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 200 |
|
13/16 | 57% | 1.00 | CRR | Spring Tournament Irkutsk 2023 |
| 2 | 1000 |
|
1/12 | 43% | 1.10 | CRR | Survive after yakuman |
| 3 | 818 |
|
3/12 | 0% | 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 |