Dobrynina Olga
From Irkutsk, Russia
EMA: 15990385
Common russian riichi rating (CRR)
Rating date Jan. 7, 2025 (latest changes Jan. 5, 2025).
216 place (50.51).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (363.64 * 1.10 * 0.14 + 800 * 1 * 0.29 + 0 + 0 + 0) / (1.10 * 0.14 + 1 * 0.29 + 1 + 1 + 1) = 82.9884196125929
p2 = (800 * 1 * 0.29 + 363.64 * 1.10 * 0.14) / max_coefficients = 18.026498422712937
score = 82.9884196125929 * 0.5 + 18.026498422712937 * 0.5 = 50.50745901765292
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-01-04 | 215 -> 216 | 50.51 | |
| 2025-01-01 | 213 -> 215 | 68.40 -> 50.51 |
Spring Tournament Irkutsk 2023: 43% -> 29% |
| 2024-12-29 | 212 -> 213 | 68.40 | |
| 2024-12-22 | 214 -> 212 | 68.40 | |
| 2024-12-11 | 215 -> 214 | 68.40 | |
| 2024-11-14 | 211 -> 215 | 75.49 -> 68.40 |
Survive after yakuman: 29% -> 14% |
| 2024-11-05 | 214 -> 211 | 75.49 | |
| 2024-11-04 | 209 -> 214 | 75.49 | |
| 2024-11-01 | 205 -> 209 | 91.55 -> 75.49 |
Spring Tournament Irkutsk 2023: 57% -> 43% |
| 2024-10-27 | 204 -> 205 | 91.55 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 800 |
|
4/16 | 29% | 1.00 | CRR | Spring Tournament Irkutsk 2023 |
| 2 | 364 |
|
8/12 | 14% | 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 |