Dobrynina Olga
From Irkutsk, Russia
EMA: 15990385
Common russian riichi rating (CRR)
Rating date Feb. 20, 2024 (latest changes Feb. 20, 2024).
142 place (157.47).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (800 * 1 * 1 + 363.64 * 1.10 * 0.86 + 0 + 0 + 0) / (1 * 1 + 1.10 * 0.86 + 1 + 1 + 1) = 231.21260983124984
p2 = (800 * 1 * 1 + 363.64 * 1.10 * 0.86) / max_coefficients = 83.72417410619438
score = 231.21260983124984 * 0.5 + 83.72417410619438 * 0.5 = 157.4683919687221
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-02-12 | 144 -> 142 | 157.47 | |
| 2024-01-20 | 146 -> 144 | 157.47 | |
| 2024-01-14 | 146 | 161.60 -> 157.47 |
Survive after yakuman: 100% -> 86% |
| 2024-01-06 | 147 -> 146 | 159.75 -> 161.60 | |
| 2024-01-05 | 130 -> 147 | 206.92 -> 159.75 |
Winter tournament: 14% -> 0% |
| 2023-12-20 | 131 -> 130 | 206.92 | |
| 2023-12-19 | 137 -> 131 | 206.92 | |
| 2023-12-12 | 140 -> 137 | 206.92 | |
| 2023-11-28 | 145 -> 140 | 206.92 | |
| 2023-11-26 | 141 -> 145 | 207.26 -> 206.92 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 800 |
|
4/16 | 100% | 1.00 | CRR | Spring Tournament Irkutsk 2023 |
| 2 | 364 |
|
8/12 | 86% | 1.10 | CRR | Survive after yakuman |
| 3 | 933 |
|
2/16 | 0% | 1.20 | CRR | Winter tournament |
| 4 | 0 |
|
12/12 | 0% | 1.10 | CRR | Summer tournament |
| 5 | 600 |
|
7/16 | 0% | 1.20 | CRR | Winter tournament |
| 6 | 632 |
|
8/20 | 0% | 1.30 | CRR | Irkutsk Winter Tournament 2019 |
| 7 | 733 |
|
5/16 | 0% | 1.20 | RR | Summer Tournament |
| 8 | 636 |
|
5/12 | 0% | 1.10 | CRR | Spring Tournament |
| 9 | 564 |
|
25/56 | 0% | 3.00 | EMA | Snow Dragon |
| 10 | 818 |
|
3/12 | 0% | 1.10 | CRR | Irkutsk Winter Tournament |
| 11 | 909 |
|
2/12 | 0% | 1.10 | CRR | Summer Tournament |
| 12 | 933 |
|
2/16 | 0% | 1.20 | RR | Spring Tournament |