Kuskova Polina
From Korolyov, Russia
Common russian riichi rating (CRR)
Rating date Nov. 5, 2025 (latest changes Nov. 5, 2025).
250 place (147.59).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (684.21 * 1.50 * 1 + 133.33 * 2 * 1 + 105.26 * 3.90 * 1 + 0 + 0) / (1.50 * 1 + 2 * 1 + 3.90 * 1 + 1 + 1) = 181.22553191489362
p2 = (684.21 * 1.50 * 1 + 105.26 * 3.90 * 1 + 133.33 * 2 * 1) / max_coefficients = 113.94782608695652
score = 181.22553191489362 * 0.5 + 113.94782608695652 * 0.5 = 147.58667900092507
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-04 | 244 -> 250 | 144.67 -> 147.59 |
XI Russian Championship: 0% -> 100% |
| 2025-11-01 | 245 -> 244 | 144.51 -> 144.67 | |
| 2025-10-22 | 246 -> 245 | 144.51 | |
| 2025-10-13 | 246 | 143.14 -> 144.51 | |
| 2025-10-04 | 247 -> 246 | 143.14 | |
| 2025-09-03 | 257 -> 247 | 143.14 | |
| 2025-09-01 | 257 | 141.99 -> 143.14 | |
| 2025-08-31 | 250 -> 257 | 141.99 | |
| 2025-08-26 | 252 -> 250 | 141.99 | |
| 2025-08-25 | 253 -> 252 | 141.99 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 105 |
|
52/58 | 100% | 3.90 | RR | XI Russian Championship | Moscow | |
| 2 | 133 |
|
14/16 | 100% | 2.00 | RR | Random not fault | Moscow | |
| 3 | 684 |
|
7/20 | 100% | 1.50 | CRR | HaTiKo | Korolyov |