Usmanov Rodion
From Moscow, Russia
EMA: 15990243
Common russian riichi rating (CRR)
Rating date Oct. 10, 2025 (latest changes Oct. 9, 2025).
195 place (228.54).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (483.87 * 1.80 * 0.57 + 894.74 * 1.50 * 1 + 0 + 0 + 0) / (1.80 * 0.57 + 1.50 * 1 + 1 + 1 + 1) = 332.77983981246336
p2 = (894.74 * 1.50 * 1 + 483.87 * 1.80 * 0.57) / max_coefficients = 124.30945945945945
score = 332.77983981246336 * 0.5 + 124.30945945945945 * 0.5 = 228.5446496359614
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-09-30 | 196 -> 195 | 228.54 | |
2025-09-19 | 195 -> 196 | 236.11 -> 228.54 |
"Green Dragon" in the Secret Chamber: 71% -> 57% |
2025-09-12 | 197 -> 195 | 236.11 | |
2025-09-05 | 198 -> 197 | 236.11 | |
2025-09-03 | 203 -> 198 | 236.11 | |
2025-09-01 | 202 -> 203 | 234.36 -> 236.11 | |
2025-08-31 | 200 -> 202 | 234.36 | |
2025-08-26 | 201 -> 200 | 234.36 | |
2025-08-25 | 202 -> 201 | 234.36 | |
2025-08-22 | 203 -> 202 | 234.36 |