Federov Aleksey
From Korolyov, Russia
Common russian riichi rating (CRR)
Rating date May 20, 2025 (latest changes May 19, 2025).
250 place (96.21).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (274.51 * 3.05 * 0.71 + 193.55 * 1.80 * 0.86 + 0 + 0 + 0) / (3.05 * 0.71 + 1.80 * 0.86 + 1 + 1 + 1) = 133.4023666218099
p2 = (274.51 * 3.05 * 0.71 + 193.55 * 1.80 * 0.86) / max_coefficients = 59.01863136540935
score = 133.4023666218099 * 0.5 + 59.01863136540935 * 0.5 = 96.21049899360963
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-19 | 250 | 98.96 -> 96.21 |
"Green Dragon" in the Secret Chamber: 100% -> 86% |
| 2025-05-17 | 247 -> 250 | 98.96 | |
| 2025-05-12 | 247 | 97.67 -> 98.96 | |
| 2025-05-10 | 246 -> 247 | 105.52 -> 97.67 |
Agari Spring Tournament 2024: 86% -> 71% |
| 2025-05-03 | 241 -> 246 | 105.52 | |
| 2025-05-01 | 242 -> 241 | 105.52 | |
| 2025-04-27 | 236 -> 242 | 105.52 | |
| 2025-04-26 | 235 -> 236 | 105.52 | |
| 2025-04-22 | 238 -> 235 | 105.52 | |
| 2025-04-13 | 235 -> 238 | 105.52 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 194 |
|
26/32 | 86% | 1.80 | CRR | "Green Dragon" in the Secret Chamber | Korolyov |
| 2 | 275 |
|
38/52 | 71% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |