Kuskova Polina
From Korolyov, Russia
Internal rating (RR)
Rating date Sept. 20, 2026 (latest changes Sept. 13, 2026).
108 place (414.30).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (133.33 * 2 * 0.71 + 684.21 * 2.25 * 1 + 391.89 * 3.40 * 1 + 640 * 3.10 * 1 + 476.19 * 2.90 * 1 + 444.44 * 2.45 * 1 + 412.59 * 4.71 * 1 + 74.07 * 2.45 * 1 + 112.68 * 3.40 * 1) / (2 * 0.71 + 2.25 * 1 + 3.40 * 1 + 3.10 * 1 + 2.90 * 1 + 2.45 * 1 + 4.71 * 1 + 2.45 * 1 + 3.40 * 1) = 384.23257668100246
p2 = (640 * 3.10 * 1 + 412.59 * 4.71 * 1 + 684.21 * 2.25 * 1 + 476.19 * 2.90 * 1) / max_coefficients = 444.36794289422454
score = 384.23257668100246 * 0.5 + 444.36794289422454 * 0.5 = 414.3002597876135
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-06 | 106 -> 108 | 411.20 -> 414.30 |
Sunset Wolf Cup 2026: 0% -> 100% |
| 2026-09-01 | 108 -> 106 | 411.20 | |
| 2026-08-31 | 108 | 410.48 -> 411.20 | |
| 2026-08-16 | 104 -> 108 | 410.48 | |
| 2026-08-15 | 106 -> 104 | 408.86 -> 410.48 | |
| 2026-08-13 | 107 -> 106 | 408.86 | |
| 2026-08-08 | 110 -> 107 | 407.56 -> 408.86 |
Random not fault: 86% -> 71% |
| 2026-08-04 | 112 -> 110 | 407.56 | |
| 2026-08-02 | 101 -> 112 | 422.68 -> 407.56 |
Ivanovo Babayka 2026: 0% -> 100% |
| 2026-07-25 | 100 -> 101 | 422.68 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 113 |
|
64/72 | 100% | 3.40 | RR | Sunset Wolf Cup 2026 | Saint Petersburg | |
| 2 | 74 |
|
26/28 | 100% | 2.45 | RR | Ivanovo Babayka 2026 | Ivanovo | |
| 3 | 413 |
|
85/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 4 | 444 |
|
16/28 | 100% | 2.45 | RR | Hatiko under the sakura | Korolyov | |
| 5 | 476 |
|
23/43 | 100% | 2.90 | RR | Sturgeon in tempai | Saratov | |
| 6 | 640 |
|
19/51 | 100% | 3.10 | RR | Moscow Riichi 2026 | Moscow | |
| 7 | 392 |
|
46/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 8 | 684 |
|
7/20 | 100% | 2.25 | RR | Winter Hatiko | Korolyov | |
| 9 | 105 |
|
52/58 | 100% | 3.90 | RR | XI Russian Championship | Moscow | |
| 10 | 133 |
|
14/16 | 71% | 2.00 | RR | Random not fault | Moscow |