Sanzharov Roman
From Barnaul, Russia
EMA: 15020091
Common russian riichi rating (CRR)
Rating date Sept. 1, 2025 (latest changes Sept. 1, 2025).
143 place (344.52).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (666.67 * 2.30 * 0.29 + 666.67 * 1.60 * 0.71 + 791.67 * 2.20 * 1 + 0 + 0) / (2.30 * 0.29 + 1.60 * 0.71 + 2.20 * 1 + 1 + 1) = 490.2774837958063
p2 = (791.67 * 2.20 * 1 + 666.67 * 1.60 * 0.71 + 666.67 * 2.30 * 0.29) / max_coefficients = 198.76081081081082
score = 490.2774837958063 * 0.5 + 198.76081081081082 * 0.5 = 344.51914730330856
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-01 | 143 | 341.90 -> 344.52 | |
| 2025-08-31 | 140 -> 143 | 341.90 | |
| 2025-08-26 | 141 -> 140 | 341.90 | |
| 2025-08-22 | 140 -> 141 | 341.90 | |
| 2025-08-04 | 141 -> 140 | 340.96 -> 341.90 | |
| 2025-08-03 | 139 -> 141 | 340.96 | |
| 2025-07-30 | 140 -> 139 | 340.96 | |
| 2025-07-19 | 141 -> 140 | 340.96 | |
| 2025-07-13 | 139 -> 141 | 340.96 | |
| 2025-07-12 | 138 -> 139 | 339.17 -> 340.96 |