Sanzharov Roman
From Barnaul, Russia
EMA: 15020091
Common russian riichi rating (CRR)
Rating date July 21, 2026 (latest changes July 18, 2026).
257 place (225.49).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (838.71 * 2.40 * 0.71 + 314.29 * 2.50 * 1 + 0 + 0 + 0) / (2.40 * 0.71 + 2.50 * 1 + 1 + 1 + 1) = 308.2106144446046
p2 = (838.71 * 2.40 * 0.71 + 314.29 * 2.50 * 1) / max_coefficients = 142.7709191729094
score = 308.2106144446046 * 0.5 + 142.7709191729094 * 0.5 = 225.49076680875697
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-07-18 | 254 -> 257 | 225.49 | |
| 2026-07-17 | 255 -> 254 | 225.49 | |
| 2026-07-12 | 253 -> 255 | 225.49 | |
| 2026-07-11 | 251 -> 253 | 225.49 | |
| 2026-07-03 | 250 -> 251 | 225.49 | |
| 2026-07-02 | 251 -> 250 | 225.49 | |
| 2026-07-01 | 254 -> 251 | 225.49 | |
| 2026-06-27 | 255 -> 254 | 225.49 | |
| 2026-06-16 | 256 -> 255 | 225.49 | |
| 2026-06-15 | 256 | 222.90 -> 225.49 |