Dobrynina Irina
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date Feb. 20, 2024 (latest changes Feb. 20, 2024).
115 place (229.13).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (1000 * 1.10 * 0.86 + 818.18 * 1.10 * 0.43 + 200 * 1 * 1 + 0 + 0) / (1.10 * 0.86 + 1.10 * 0.43 + 1 * 1 + 1 + 1) = 346.2746954762622
p2 = (1000 * 1.10 * 0.86 + 818.18 * 1.10 * 0.43 + 200 * 1 * 1) / max_coefficients = 111.98119275666186
score = 346.2746954762622 * 0.5 + 111.98119275666186 * 0.5 = 229.12794411646203
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2024-01-06 | 110 -> 109 | 255.50 -> 258.30 | |
| 2024-01-05 | 96 -> 110 | 313.06 -> 255.50 |
Winter tournament: 14% -> 0% |
| 2024-01-03 | 97 -> 96 | 313.06 | |
| 2023-12-27 | 99 -> 97 | 313.06 | |
| 2023-12-20 | 98 -> 99 | 313.06 | |
| 2023-12-19 | 100 -> 98 | 313.06 |
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 | 86% | 1.10 | CRR | Survive after yakuman |
| 3 | 818 |
|
3/12 | 43% | 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 |