Dobrynin Denis
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date April 1, 2025 (latest changes March 30, 2025).
234 place (109.60).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (933.33 * 1 * 0.14 + 636.36 * 0.90 * 1 + 0 + 0 + 0) / (1 * 0.14 + 0.90 * 1 + 1 + 1 + 1) = 174.65185881421755
p2 = (636.36 * 0.90 * 1 + 933.33 * 1 * 0.14) / max_coefficients = 44.54889589905363
score = 174.65185881421755 * 0.5 + 44.54889589905363 * 0.5 = 109.60037735663559
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-03-29 | 230 -> 234 | 109.60 | |
| 2025-03-23 | 218 -> 230 | 109.60 | |
| 2025-03-10 | 219 -> 218 | 109.60 | |
| 2025-03-03 | 220 -> 219 | 109.60 | |
| 2025-03-02 | 219 -> 220 | 109.60 | |
| 2025-03-01 | 213 -> 219 | 126.75 -> 109.60 |
Spring Tournament Irkutsk 2023: 29% -> 14% |
| 2025-02-26 | 214 -> 213 | 126.75 | |
| 2025-02-25 | 217 -> 214 | 126.75 | |
| 2025-02-16 | 210 -> 217 | 126.75 | |
| 2025-02-02 | 205 -> 210 | 126.75 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 636 |
|
5/12 | 100% | 0.90 | CRR | Irkutsk autumn tournament 2024 |
| 2 | 933 |
|
2/16 | 14% | 1.00 | CRR | Spring Tournament Irkutsk 2023 |
| 3 | 455 |
|
7/12 | 0% | 1.10 | CRR | Survive after yakuman |
| 4 | 909 |
|
2/12 | 0% | 1.10 | CRR | Summer tournament |
| 5 | 733 |
|
5/16 | 0% | 1.20 | CRR | Winter tournament |
| 6 | 636 |
|
5/12 | 0% | 1.10 | CRR | Summer tournament |
| 7 | 467 |
|
9/16 | 0% | 1.20 | CRR | Winter tournament |
| 8 | 1000 |
|
1/20 | 0% | 1.30 | CRR | Irkutsk Winter Tournament 2019 |
| 9 | 545 |
|
6/12 | 0% | 1.10 | CRR | Spring Tournament |
| 10 | 545 |
|
6/12 | 0% | 1.10 | CRR | Irkutsk Winter Tournament |
| 11 | 364 |
|
8/12 | 0% | 1.10 | CRR | Summer Tournament |
| 12 | 733 |
|
5/16 | 0% | 1.20 | RR | Spring Tournament |
| 13 | 842 |
|
4/20 | 0% | 1.30 | RR | Winter tournament |