Piven Maksim
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date June 15, 2025 (latest changes June 15, 2025).
280 place (19.10).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (181.82 * 0.90 * 1 + 0 * 2 * 1 + 0 + 0 + 0) / (0.90 * 1 + 2 * 1 + 1 + 1 + 1) = 27.73559322033898
p2 = (181.82 * 0.90 * 1 + 0 * 2 * 1) / max_coefficients = 10.461136405189398
score = 27.73559322033898 * 0.5 + 10.461136405189398 * 0.5 = 19.09836481276419
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-06-15 | 271 -> 280 | 19.25 -> 19.10 | |
| 2025-06-14 | 266 -> 271 | 19.25 | |
| 2025-06-11 | 274 -> 266 | 19.25 | |
| 2025-06-08 | 272 -> 274 | 19.25 | |
| 2025-05-17 | 269 -> 272 | 19.25 | |
| 2025-05-12 | 269 | 19.03 -> 19.25 | |
| 2025-05-03 | 263 -> 269 | 19.03 | |
| 2025-05-01 | 270 -> 263 | 19.03 | |
| 2025-04-27 | 270 | 19.03 |
South Dragon Cup II: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 0 |
|
16/16 | 100% | 2.00 | RR | South Dragon Cup II | Simferopol |
| 2 | 182 |
|
10/12 | 100% | 0.90 | CRR | The Southern Coon Mini Cup | Simferopol |