Dobrynina Irina
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date March 14, 2024 (latest changes March 14, 2024).
133 place (196.93).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (1000 * 1.10 * 0.71 + 818.18 * 1.10 * 0.29 + 200 * 1 * 1 + 0 + 0) / (1.10 * 0.71 + 1.10 * 0.29 + 1 * 1 + 1 + 1) = 303.1365853658537
p2 = (1000 * 1.10 * 0.71 + 818.18 * 1.10 * 0.29 + 200 * 1 * 1) / max_coefficients = 90.71970802919708
score = 303.1365853658537 * 0.5 + 90.71970802919708 * 0.5 = 196.9281466975254
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-14 | 124 -> 133 | 215.52 -> 196.93 |
Survive after yakuman: 86% -> 71% |
| 2024-03-10 | 122 -> 124 | 218.06 -> 215.52 | |
| 2024-03-09 | 118 -> 122 | 231.70 -> 218.06 |
Summer tournament: 43% -> 29% |
| 2024-03-06 | 118 | 229.13 -> 231.70 | |
| 2024-02-27 | 117 -> 118 | 229.13 | |
| 2024-02-25 | 115 -> 117 | 229.13 | |
| 2024-02-17 | 116 -> 115 | 229.13 | |
| 2024-01-20 | 119 -> 116 | 229.13 | |
| 2024-01-14 | 111 -> 119 | 246.12 -> 229.13 |
Survive after yakuman: 100% -> 86% |
| 2024-01-09 | 109 -> 111 | 258.30 -> 246.12 |
Summer tournament: 57% -> 43% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 200 |
|
13/16 | 100% | 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 |