Potorochin Egor
From Izhevsk, Russia
Common russian riichi rating (CRR)
Rating date June 23, 2026 (latest changes June 16, 2026).
230 place (253.68).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (157.89 * 1.30 * 1 + 933.33 * 2.30 * 1 + 0 + 0 + 0) / (1.30 * 1 + 2.30 * 1 + 1 + 1 + 1) = 356.3530303030304
p2 = (933.33 * 2.30 * 1 + 157.89 * 1.30 * 1) / max_coefficients = 151.01537102280648
score = 356.3530303030304 * 0.5 + 151.01537102280648 * 0.5 = 253.68420066291844
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-06-16 | 233 -> 230 | 253.68 | |
| 2026-06-15 | 233 | 250.95 -> 253.68 | |
| 2026-06-14 | 214 -> 233 | 257.37 -> 250.95 | |
| 2026-06-13 | 215 -> 214 | 257.37 | |
| 2026-06-09 | 216 -> 215 | 257.37 | |
| 2026-06-04 | 218 -> 216 | 257.37 | |
| 2026-06-02 | 220 -> 218 | 257.37 | |
| 2026-05-31 | 220 | 257.37 |
Nagashi mangal: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 933 |
|
🥈 | 2/16 | 100% | 2.30 | CRR | Nagashi mangal | Izhevsk |
| 2 | 158 |
|
17/20 | 100% | 1.30 | CRR | The Birth of the Club | Izhevsk |