Malykh Sergey
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date April 1, 2025 (latest changes March 30, 2025).
244 place (77.68).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (66.67 * 1 * 0.14 + 545.45 * 0.90 * 1 + 0 + 0 + 0) / (1 * 0.14 + 0.90 * 1 + 1 + 1 + 1) = 123.78243340176607
p2 = (545.45 * 0.90 * 1 + 66.67 * 1 * 0.14) / max_coefficients = 31.573501577287068
score = 123.78243340176607 * 0.5 + 31.573501577287068 * 0.5 = 77.67796748952657
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-03-29 | 238 -> 244 | 77.68 | |
| 2025-03-23 | 226 -> 238 | 77.68 | |
| 2025-03-02 | 225 -> 226 | 77.68 | |
| 2025-03-01 | 225 | 77.00 -> 77.68 |
Spring Tournament Irkutsk 2023: 29% -> 14% |
| 2025-02-27 | 226 -> 225 | 77.00 | |
| 2025-02-25 | 229 -> 226 | 77.00 | |
| 2025-02-16 | 222 -> 229 | 77.00 | |
| 2025-02-02 | 216 -> 222 | 77.00 | |
| 2025-01-26 | 207 -> 216 | 77.00 | |
| 2025-01-14 | 207 | 97.54 -> 77.00 |
Survive after yakuman: 14% -> 0% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 545 |
|
6/12 | 100% | 0.90 | CRR | Irkutsk autumn tournament 2024 |
| 2 | 67 |
|
15/16 | 14% | 1.00 | CRR | Spring Tournament Irkutsk 2023 |
| 3 | 182 |
|
10/12 | 0% | 1.10 | CRR | Survive after yakuman |
| 4 | 636 |
|
5/12 | 0% | 1.10 | CRR | Summer tournament |
| 5 | 867 |
|
3/16 | 0% | 1.20 | CRR | Winter tournament |
| 6 | 455 |
|
7/12 | 0% | 1.10 | CRR | Summer tournament |