Dobrynina Irina
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date Sept. 5, 2023 (latest changes Sept. 5, 2023).
97 place (336.31).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (600 * 1.20 * 0.29 + 818.18 * 1.10 * 0.86 + 1000 * 1.10 * 1 + 200 * 1 * 1 + 0) / (1.20 * 0.29 + 1.10 * 0.86 + 1.10 * 1 + 1 * 1 + 1) = 519.2137995508077
p2 = (1000 * 1.10 * 1 + 818.18 * 1.10 * 0.86 + 600 * 1.20 * 0.29 + 200 * 1 * 1) / max_coefficients = 153.41258775651548
score = 519.2137995508077 * 0.5 + 153.41258775651548 * 0.5 = 336.3131936536616
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-09-05 | 95 -> 97 | 341.30 -> 336.31 |
Winter tournament: 43% -> 29% |
2023-09-03 | 72 -> 95 | 348.35 -> 341.30 | |
2023-08-19 | 74 -> 72 | 348.35 | |
2023-08-12 | 76 -> 74 | 344.80 -> 348.35 | |
2023-07-28 | 77 -> 76 | 344.80 | |
2023-07-20 | 78 -> 77 | 344.80 | |
2023-07-09 | 77 -> 78 | 354.26 -> 344.80 |
Summer tournament: 100% -> 86% |
2023-07-05 | 76 -> 77 | 359.07 -> 354.26 |
Winter tournament: 57% -> 43% |
2023-07-03 | 53 -> 76 | 430.68 -> 359.07 |
Summer tournament: 14% -> 0% |
2023-06-12 | 53 | 427.09 -> 430.68 |
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 | 100% | 1.10 | CRR | Survive after yakuman |
3 | 818 |
|
3/12 | 86% | 1.10 | CRR | Summer tournament |
4 | 600 |
|
7/16 | 29% | 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 |