Piven Maksim
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date Sept. 5, 2025 (latest changes Sept. 5, 2025).
274 place (61.22).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (181.82 * 0.90 * 1 + 0 * 2 * 1 + 304.35 * 1.20 * 1 + 0 + 0) / (0.90 * 1 + 2 * 1 + 1.20 * 1 + 1 + 1) = 86.69836065573772
p2 = (304.35 * 1.20 * 1 + 181.82 * 0.90 * 1 + 0 * 2 * 1) / max_coefficients = 35.733783783783785
score = 86.69836065573772 * 0.5 + 35.733783783783785 * 0.5 = 61.21607221976075
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 284 -> 274 | 61.22 | |
| 2025-09-01 | 284 | 60.75 -> 61.22 | |
| 2025-08-31 | 278 -> 284 | 60.75 | |
| 2025-08-25 | 279 -> 278 | 60.75 | |
| 2025-08-04 | 279 | 60.58 -> 60.75 | |
| 2025-08-03 | 274 -> 279 | 60.58 | |
| 2025-08-02 | 273 -> 274 | 60.58 | |
| 2025-07-26 | 283 -> 273 | 19.20 -> 60.58 |
Pands in discards: 0% -> 100% |
| 2025-07-13 | 280 -> 283 | 19.20 | |
| 2025-07-12 | 280 | 19.10 -> 19.20 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 304 |
|
17/24 | 100% | 1.20 | CRR | Pands in discards | Simferopol | |
| 2 | 0 |
|
16/16 | 100% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 3 | 182 |
|
10/12 | 100% | 0.90 | CRR | The Southern Coon Mini Cup | Simferopol |