Sanzharov Roman
From Barnaul, Russia
EMA: 15020091
Common russian riichi rating (CRR)
Rating date May 17, 2026 (latest changes May 17, 2026).
216 place (250.68).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (838.71 * 2.40 * 0.86 + 314.29 * 2.50 * 1 + 0 + 0 + 0) / (2.40 * 0.86 + 2.50 * 1 + 1 + 1 + 1) = 332.2689836232176
p2 = (838.71 * 2.40 * 0.86 + 314.29 * 2.50 * 1) / max_coefficients = 169.0888888888889
score = 332.2689836232176 * 0.5 + 169.0888888888889 * 0.5 = 250.67893625605325
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-17 | 217 -> 216 | 250.68 | |
| 2026-05-12 | 223 -> 217 | 250.68 | |
| 2026-05-11 | 221 -> 223 | 250.68 | |
| 2026-05-05 | 201 -> 221 | 285.93 -> 250.68 |
Akademgorodok: Riichi Mahjong Tournament 2024: 14% -> 0% |
| 2026-05-03 | 198 -> 201 | 285.33 -> 285.93 | |
| 2026-05-01 | 199 -> 198 | 285.33 | |
| 2026-04-26 | 200 -> 199 | 285.33 | |
| 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 |