Sanzharov Roman
From Barnaul, Russia
EMA: 15020091
Common russian riichi rating (CRR)
Rating date April 20, 2026 (latest changes April 19, 2026).
200 place (285.33).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (666.67 * 1.60 * 0.14 + 838.71 * 2.40 * 0.86 + 314.29 * 2.50 * 1 + 0 + 0) / (1.60 * 0.14 + 2.40 * 0.86 + 2.50 * 1 + 1 + 1) = 392.50303580481255
p2 = (838.71 * 2.40 * 0.86 + 314.29 * 2.50 * 1 + 666.67 * 1.60 * 0.14) / max_coefficients = 178.15384615384616
score = 392.50303580481255 * 0.5 + 178.15384615384616 * 0.5 = 285.32844097932934
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-04-19 | 218 -> 200 | 240.42 -> 285.33 |
Akademgorodok Riichi Mahjong Tournament 2026: 0% -> 100% |
| 2026-04-13 | 204 -> 218 | 264.77 -> 240.42 |
Akademgorodok Riichi Mahjong Tournament 2025: 100% -> 86% |
| 2026-04-11 | 197 -> 204 | 264.77 | |
| 2026-04-09 | 198 -> 197 | 264.77 | |
| 2026-04-05 | 194 -> 198 | 264.77 | |
| 2026-04-04 | 198 -> 194 | 264.77 | |
| 2026-04-02 | 199 -> 198 | 264.77 | |
| 2026-03-23 | 200 -> 199 | 264.77 | |
| 2026-03-21 | 196 -> 200 | 264.77 | |
| 2026-03-14 | 190 -> 196 | 264.77 |