Piven Maksim
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date Aug. 2, 2025 (latest changes Aug. 2, 2025).
274 place (60.58).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
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 = 34.45342019543974
score = 86.69836065573772 * 0.5 + 34.45342019543974 * 0.5 = 60.575890425588724
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 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 |
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 |