Piven Maksim
From Simferopol, Russia
Common russian riichi rating (CRR)
Rating date July 31, 2026 (latest changes July 29, 2026).
169 place (332.48).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (842.11 * 2.10 * 1 + 181.82 * 0.90 * 0.57 + 0 * 2 * 0.71 + 304.35 * 1.20 * 0.86 + 782.61 * 1.20 * 1 + 157.89 * 1.30 * 1 + 421.05 * 1.30 * 1) / (2.10 * 1 + 0.90 * 0.57 + 2 * 0.71 + 1.20 * 0.86 + 1.20 * 1 + 1.30 * 1 + 1.30 * 1) = 435.8634169655679
p2 = (842.11 * 2.10 * 1 + 782.61 * 1.20 * 1 + 421.05 * 1.30 * 1 + 304.35 * 1.20 * 0.86) / max_coefficients = 229.09495309844354
score = 435.8634169655679 * 0.5 + 229.09495309844354 * 0.5 = 332.4791850320057
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-07-29 | 171 -> 169 | 330.66 -> 332.48 |
The Southern Coon Mini Cup: 71% -> 57% |
| 2026-07-26 | 171 | 331.14 -> 330.66 |
Pands in discards: 100% -> 86% |
| 2026-07-18 | 181 -> 171 | 320.89 -> 331.14 |
Heat in the discard: 0% -> 100% |
| 2026-07-12 | 179 -> 181 | 320.89 | |
| 2026-07-11 | 178 -> 179 | 320.89 | |
| 2026-07-03 | 179 -> 178 | 320.89 | |
| 2026-07-01 | 183 -> 179 | 320.89 | |
| 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 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 421 |
|
12/20 | 100% | 1.30 | RR | Heat in the discard | Simferopol | |
| 2 | 842 |
|
4/20 | 100% | 2.10 | RR | The Southern Dragon Cup 2026 | Simferopol | |
| 3 | 158 |
|
17/20 | 100% | 1.30 | CRR | The Southern Coon Mini Cup 2026 | Simferopol | |
| 4 | 783 |
|
6/24 | 100% | 1.20 | CRR | Riichi on fire | Simferopol | |
| 5 | 304 |
|
17/24 | 86% | 1.20 | CRR | Pands in discards | Simferopol | |
| 6 | 0 |
|
16/16 | 71% | 2.00 | RR | South Dragon Cup II | Simferopol | |
| 7 | 182 |
|
10/12 | 57% | 0.90 | CRR | The Southern Coon Mini Cup | Simferopol |