Federov Aleksey
From Korolyov, Russia
Common russian riichi rating (CRR)
Rating date July 10, 2025 (latest changes July 10, 2025).
262 place (86.65).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (274.51 * 3.05 * 0.57 + 193.55 * 1.80 * 0.86 + 0 + 0 + 0) / (3.05 * 0.57 + 1.80 * 0.86 + 1 + 1 + 1) = 123.6184582097032
p2 = (274.51 * 3.05 * 0.57 + 193.55 * 1.80 * 0.86) / max_coefficients = 49.67249815568452
score = 123.6184582097032 * 0.5 + 49.67249815568452 * 0.5 = 86.64547818269386
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-10 | 258 -> 262 | 95.36 -> 86.65 |
Agari Spring Tournament 2024: 71% -> 57% |
| 2025-06-26 | 259 -> 258 | 95.36 | |
| 2025-06-22 | 260 -> 259 | 95.36 | |
| 2025-06-15 | 251 -> 260 | 96.21 -> 95.36 | |
| 2025-06-14 | 246 -> 251 | 96.21 | |
| 2025-06-11 | 251 -> 246 | 96.21 | |
| 2025-06-08 | 250 -> 251 | 96.21 | |
| 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 |
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 | 57% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |