Kuskova Polina
From Korolyov, Russia
Internal rating (RR)
Rating date April 11, 2026 (latest changes April 9, 2026).
115 place (364.98).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (133.33 * 2 * 1 + 105.26 * 3.90 * 1 + 684.21 * 2.25 * 1 + 391.89 * 3.40 * 1 + 640 * 3.10 * 1) / (2 * 1 + 3.90 * 1 + 2.25 * 1 + 3.40 * 1 + 3.10 * 1) = 377.6860068259386
p2 = (640 * 3.10 * 1 + 684.21 * 2.25 * 1 + 391.89 * 3.40 * 1 + 105.26 * 3.90 * 1) / max_coefficients = 352.26956521739135
score = 377.6860068259386 * 0.5 + 352.26956521739135 * 0.5 = 364.977786021665
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-04-05 | 157 -> 115 | 260.10 -> 364.98 |
Moscow Riichi 2026: 0% -> 100% |
| 2026-04-04 | 159 -> 157 | 260.10 | |
| 2026-04-02 | 161 -> 159 | 260.10 | |
| 2026-03-12 | 164 -> 161 | 260.10 | |
| 2026-03-01 | 165 -> 164 | 260.10 | |
| 2026-02-23 | 187 -> 165 | 183.33 -> 260.10 |
White Wolf Cup 2026: 0% -> 100% |
| 2026-02-09 | 188 -> 187 | 183.33 | |
| 2026-02-08 | 187 -> 188 | 183.33 | |
| 2026-02-04 | 186 -> 187 | 183.33 | |
| 2026-01-25 | 185 -> 186 | 183.33 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 640 |
|
19/51 | 100% | 3.10 | RR | Moscow Riichi 2026 | Moscow | |
| 2 | 392 |
|
46/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 3 | 684 |
|
7/20 | 100% | 2.25 | RR | Winter Hatiko | Korolyov | |
| 4 | 105 |
|
52/58 | 100% | 3.90 | RR | XI Russian Championship | Moscow | |
| 5 | 133 |
|
14/16 | 100% | 2.00 | RR | Random not fault | Moscow |