Piven Maksim
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).
271 place (61.84).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3
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 = 36.98321678321678
score = 86.69836065573772 * 0.5 + 36.98321678321678 * 0.5 = 61.840788719477246
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-01 | 271 | 61.78 -> 61.84 | |
| 2025-10-25 | 272 -> 271 | 61.78 | |
| 2025-10-22 | 273 -> 272 | 61.78 | |
| 2025-10-13 | 273 | 61.22 -> 61.78 | |
| 2025-09-30 | 274 -> 273 | 61.22 | |
| 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 |
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 |