Kuskova Polina
From Korolyov, Russia
Common russian riichi rating (CRR)
Rating date Sept. 4, 2025 (latest changes Sept. 3, 2025).
246 place (143.14).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (684.21 * 1.50 * 1 + 133.33 * 2 * 1 + 0 + 0 + 0) / (1.50 * 1 + 2 * 1 + 1 + 1 + 1) = 198.92153846153846
p2 = (684.21 * 1.50 * 1 + 133.33 * 2 * 1) / max_coefficients = 87.36418918918919
score = 198.92153846153846 * 0.5 + 87.36418918918919 * 0.5 = 143.14286382536383
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 256 -> 246 | 143.14 | |
| 2025-09-01 | 256 | 141.99 -> 143.14 | |
| 2025-08-31 | 249 -> 256 | 141.99 | |
| 2025-08-26 | 251 -> 249 | 141.99 | |
| 2025-08-25 | 252 -> 251 | 141.99 | |
| 2025-08-22 | 253 -> 252 | 141.99 | |
| 2025-08-04 | 253 | 141.58 -> 141.99 | |
| 2025-08-03 | 247 -> 253 | 141.58 | |
| 2025-07-26 | 245 -> 247 | 141.58 | |
| 2025-07-13 | 243 -> 245 | 141.58 |