Polozov Eduard
From Tyumen, Russia
EMA: 15020070
Common russian riichi rating (CRR)
Rating date Sept. 3, 2026 (latest changes Sept. 3, 2026).
98 place (487.62).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (739.13 * 2.20 * 0.14 + 774.19 * 2.40 * 0.43 + 373.13 * 4.10 * 0.71 + 157.89 * 1.90 * 1 + 828.57 * 2.50 * 1 + 838.71 * 2.40 * 1) / (2.20 * 0.14 + 2.40 * 0.43 + 4.10 * 0.71 + 1.90 * 1 + 2.50 * 1 + 2.40 * 1) = 587.6125058143998
p2 = (828.57 * 2.50 * 1 + 838.71 * 2.40 * 1 + 373.13 * 4.10 * 0.71 + 774.19 * 2.40 * 0.43) / max_coefficients = 387.63595068137573
score = 587.6125058143998 * 0.5 + 387.63595068137573 * 0.5 = 487.6242282478878
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-02 | 94 -> 98 | 499.03 -> 487.62 |
Riichi Maslenitsa (shrovetide): 57% -> 43% |
| 2026-08-31 | 96 -> 94 | 498.38 -> 499.03 | |
| 2026-08-30 | 94 -> 96 | 498.38 | |
| 2026-08-27 | 95 -> 94 | 498.38 | |
| 2026-08-16 | 92 -> 95 | 498.38 | |
| 2026-08-15 | 91 -> 92 | 498.55 -> 498.38 |
13 bloody tiles: 86% -> 71% |
| 2026-08-03 | 92 -> 91 | 498.55 | |
| 2026-08-02 | 94 -> 92 | 498.55 | |
| 2026-07-26 | 93 -> 94 | 498.55 | |
| 2026-07-25 | 91 -> 93 | 498.55 |