Filatova Marina
From Korolyov, Russia
Common russian riichi rating (CRR)
Rating date Nov. 20, 2025 (latest changes Nov. 19, 2025).
241 place (156.66).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (354.84 * 1.80 * 0.43 + 631.58 * 1.50 * 1 + 0 + 0 + 0) / (1.80 * 0.43 + 1.50 * 1 + 1 + 1 + 1) = 231.64652052175097
p2 = (631.58 * 1.50 * 1 + 354.84 * 1.80 * 0.43) / max_coefficients = 81.68026755852843
score = 231.64652052175097 * 0.5 + 81.68026755852843 * 0.5 = 156.6633940401397
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-19 | 240 -> 241 | 162.58 -> 156.66 |
"Green Dragon" in the Secret Chamber: 57% -> 43% |
| 2025-11-14 | 241 -> 240 | 162.58 | |
| 2025-11-04 | 232 -> 241 | 164.57 -> 162.58 | |
| 2025-11-01 | 232 | 164.41 -> 164.57 | |
| 2025-10-25 | 233 -> 232 | 164.41 | |
| 2025-10-13 | 234 -> 233 | 163.02 -> 164.41 | |
| 2025-10-09 | 236 -> 234 | 163.02 | |
| 2025-09-30 | 237 -> 236 | 163.02 | |
| 2025-09-19 | 235 -> 237 | 168.72 -> 163.02 |
"Green Dragon" in the Secret Chamber: 71% -> 57% |
| 2025-09-15 | 237 -> 235 | 168.72 |