Filatova Marina
From Korolyov, Russia
Common russian riichi rating (CRR)
Rating date June 29, 2026 (latest changes June 29, 2026).
56 place (586.14).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (631.58 * 1.50 * 0.86 + 925.93 * 2.45 * 1 + 902.10 * 4.71 * 1 + 0 + 0) / (1.50 * 0.86 + 2.45 * 1 + 4.71 * 1 + 1 + 1) = 701.6691158520532
p2 = (902.10 * 4.71 * 1 + 925.93 * 2.45 * 1 + 631.58 * 1.50 * 0.86) / max_coefficients = 470.6137300943682
score = 701.6691158520532 * 0.5 + 470.6137300943682 * 0.5 = 586.1414229732106
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-06-15 | 58 -> 56 | 577.61 -> 586.14 | |
| 2026-06-14 | 160 -> 58 | 332.39 -> 577.61 |
XII Russian Championship: 0% -> 100% |
| 2026-06-13 | 162 -> 160 | 332.39 | |
| 2026-06-09 | 165 -> 162 | 332.39 | |
| 2026-06-04 | 166 -> 165 | 332.39 | |
| 2026-05-31 | 165 -> 166 | 332.39 | |
| 2026-05-19 | 136 -> 165 | 371.42 -> 332.39 |
"Green Dragon" in the Secret Chamber: 14% -> 0% |
| 2026-05-17 | 282 -> 136 | 144.14 -> 371.42 |
HaTiKo: 100% -> 86% Hatiko under the sakura: 0% -> 100% |
| 2026-05-14 | 283 -> 282 | 144.14 | |
| 2026-05-12 | 288 -> 283 | 144.14 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 902 |
|
15/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 2 | 926 |
|
🥉 | 3/28 | 100% | 2.45 | RR | Hatiko under the sakura | Korolyov |
| 3 | 632 |
|
8/20 | 86% | 1.50 | CRR | HaTiKo | Korolyov | |
| 4 | 355 |
|
21/32 | 0% | 1.80 | CRR | "Green Dragon" in the Secret Chamber | Korolyov |