Dobrynina Irina
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date Aug. 20, 2022 (latest changes Aug. 20, 2022).
42 place (397.40).
how we calculated rating score
max_coefficients = (4.05 * 1 + 3.50 * 1 + 3.45 * 1 + 3.30 * 1) = 14.3
p1 = (866.67 * 1.20 * 0.43 + 818.18 * 1.10 * 0.86 + 600 * 1.20 * 1 + 818.18 * 1.10 * 1 + 0) / (1.20 * 0.43 + 1.10 * 0.86 + 1.20 * 1 + 1.10 * 1 + 1) = 596.395305572898
p2 = (818.18 * 1.10 * 1 + 818.18 * 1.10 * 0.86 + 600 * 1.20 * 1 + 866.67 * 1.20 * 0.43) / max_coefficients = 198.4006993006993
score = 596.395305572898 * 0.5 + 198.4006993006993 * 0.5 = 397.39800243679866
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-07-09 | 64 -> 42 | 275.71 -> 397.40 |
Summer tournament: 0% -> 100% |
2022-07-03 | 59 -> 64 | 299.48 -> 275.71 |
Winter tournament: 57% -> 43% Summer tournament: 100% -> 86% |
2022-06-12 | 40 -> 59 | 304.99 -> 299.48 | |
2022-05-15 | 135 -> 40 | 166.48 -> 304.99 | |
2021-02-01 | 205 -> 135 | 204.80 -> 166.48 | |
2020-02-01 | 205 | 204.80 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 818 |
|
3/12 | 100% | 1.10 | CRR | Summer tournament |
2 | 600 |
|
7/16 | 100% | 1.20 | CRR | Winter tournament |
3 | 818 |
|
3/12 | 86% | 1.10 | CRR | Summer tournament |
4 | 867 |
|
3/16 | 43% | 1.20 | CRR | Winter tournament |
5 | 91 |
|
11/12 | 0% | 1.10 | CRR | Spring Tournament |
6 | 909 |
|
2/12 | 0% | 1.10 | CRR | Irkutsk Winter Tournament |
7 | 818 |
|
3/12 | 0% | 1.10 | CRR | Summer Tournament |