Dobrynina Olga
From Irkutsk, Russia
EMA: 15990385
Common russian riichi rating (CRR)
Rating date Dec. 4, 2024 (latest changes Dec. 1, 2024).
215 place (68.40).
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 * 0.43 + 0 + 0 + 0) / (1.10 * 0.14 + 1 * 0.43 + 1 + 1 + 1) = 111.56258453506757
p2 = (800 * 1 * 0.43 + 363.64 * 1.10 * 0.14) / max_coefficients = 25.2391167192429
score = 111.56258453506757 * 0.5 + 25.2391167192429 * 0.5 = 68.40085062715524
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2024-10-25 | 206 -> 204 | 91.55 | |
| 2024-10-22 | 207 -> 206 | 91.55 | |
| 2024-10-13 | 193 -> 207 | 91.93 -> 91.55 | |
| 2024-10-11 | 194 -> 193 | 91.93 | |
| 2024-09-15 | 190 -> 194 | 91.93 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 800 |
|
4/16 | 43% | 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 |