Piven Maksim
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date May 17, 2026 (latest changes May 17, 2026).
168 place (316.65).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (181.82 * 0.90 * 0.86 + 0 * 2 * 0.86 + 304.35 * 1.20 * 1 + 782.61 * 1.20 * 1 + 157.89 * 1.30 * 1 + 842.11 * 2.10 * 1) / (0.90 * 0.86 + 2 * 0.86 + 1.20 * 1 + 1.20 * 1 + 1.30 * 1 + 2.10 * 1) = 412.5572228411012
p2 = (842.11 * 2.10 * 1 + 782.61 * 1.20 * 1 + 304.35 * 1.20 * 1 + 157.89 * 1.30 * 1) / max_coefficients = 220.74276094276098
score = 412.5572228411012 * 0.5 + 220.74276094276098 * 0.5 = 316.6499918919311
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-17 | 169 -> 168 | 316.65 | |
| 2026-05-15 | 170 -> 169 | 316.65 | |
| 2026-05-14 | 171 -> 170 | 316.65 | |
| 2026-05-12 | 175 -> 171 | 316.65 | |
| 2026-05-11 | 174 -> 175 | 316.65 | |
| 2026-05-03 | 173 -> 174 | 315.91 -> 316.65 | |
| 2026-05-02 | 174 -> 173 | 315.91 | |
| 2026-05-01 | 175 -> 174 | 315.91 | |
| 2026-04-27 | 180 -> 175 | 309.03 -> 315.91 |
South Dragon Cup II: 100% -> 86% |
| 2026-04-19 | 255 -> 180 | 182.65 -> 309.03 |
The Southern Dragon Cup 2026: 0% -> 100% |
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 | 86% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 6 | 182 |
|
10/12 | 86% | 0.90 | CRR | The Southern Coon Mini Cup | Simferopol |