Piven Maksim
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date June 29, 2026 (latest changes June 29, 2026).
183 place (320.89).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (181.82 * 0.90 * 0.71 + 0 * 2 * 0.71 + 304.35 * 1.20 * 1 + 782.61 * 1.20 * 1 + 157.89 * 1.30 * 1 + 842.11 * 2.10 * 1) / (0.90 * 0.71 + 2 * 0.71 + 1.20 * 1 + 1.20 * 1 + 1.30 * 1 + 2.10 * 1) = 431.29428175423396
p2 = (842.11 * 2.10 * 1 + 782.61 * 1.20 * 1 + 304.35 * 1.20 * 1 + 157.89 * 1.30 * 1) / max_coefficients = 210.47944312708728
score = 431.29428175423396 * 0.5 + 210.47944312708728 * 0.5 = 320.8868624406606
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-06-29 | 184 -> 183 | 320.89 | |
| 2026-06-27 | 185 -> 184 | 313.34 -> 320.89 |
South Dragon Cup II: 86% -> 71% |
| 2026-06-15 | 185 | 309.52 -> 313.34 | |
| 2026-06-14 | 168 -> 185 | 318.47 -> 309.52 | |
| 2026-06-13 | 170 -> 168 | 318.47 | |
| 2026-06-04 | 171 -> 170 | 318.47 | |
| 2026-05-31 | 170 -> 171 | 318.47 | |
| 2026-05-29 | 171 -> 170 | 316.65 -> 318.47 |
The Southern Coon Mini Cup: 86% -> 71% |
| 2026-05-17 | 168 -> 171 | 316.65 | |
| 2026-05-15 | 169 -> 168 | 316.65 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 842 |
|
4/20 | 100% | 2.10 | RR | The Southern Dragon Cup 2026 | Simferopol | |
| 2 | 158 |
|
17/20 | 100% | 1.30 | CRR | The Southern Coon Mini Cup 2026 | Simferopol | |
| 3 | 783 |
|
6/24 | 100% | 1.20 | CRR | Riichi on fire | Simferopol | |
| 4 | 304 |
|
17/24 | 100% | 1.20 | CRR | Pands in discards | Simferopol | |
| 5 | 0 |
|
16/16 | 71% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 6 | 182 |
|
10/12 | 71% | 0.90 | CRR | The Southern Coon Mini Cup | Simferopol |