Kuskova Polina

From Korolyov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 9, 2026 (latest changes Oct. 8, 2026).

118 place (449.59).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (684.21 * 1.50 * 0.57 + 133.33 * 2 * 0.57 + 684.21 * 2.25 * 1 + 391.89 * 3.40 * 1 + 784.31 * 2.30 * 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) / (1.50 * 0.57 + 2 * 0.57 + 2.25 * 1 + 3.40 * 1 + 2.30 * 1 + 3.10 * 1 + 2.90 * 1 + 2.45 * 1 + 4.71 * 1 + 2.45 * 1 + 3.40 * 1) = 427.3612823248699

p2 = (640 * 3.10 * 1 + 412.59 * 4.71 * 1 + 784.31 * 2.30 * 1 + 684.21 * 2.25 * 1) / max_coefficients = 471.8157040882544

score = 427.3612823248699 * 0.5 + 471.8157040882544 * 0.5 = 449.58849320656213

Rating changes

Show

all results
Date Place Points Reason
2026-10-08 119 -> 118 448.15 -> 449.59

Random not fault: 71% -> 57%
2026-10-03 121 -> 119 448.15
2026-09-26 118 -> 121 448.15
2026-09-17 118 449.10 -> 448.15

HaTiKo: 71% -> 57%
2026-09-06 105 -> 118 469.56 -> 449.10

Sunset Wolf Cup 2026: 0% -> 100%
2026-08-31 105 468.80 -> 469.56
2026-08-30 103 -> 105 468.80
2026-08-16 100 -> 103 468.80
2026-08-15 100 467.07 -> 468.80
2026-08-08 100 465.26 -> 467.07

Random not fault: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 113 2026-09-06 64/72 100% 3.40 RR Sunset Wolf Cup 2026 Saint Petersburg
2 74 2026-08-02 26/28 100% 2.45 RR Ivanovo Babayka 2026 Ivanovo
3 413 2026-06-14 85/144 100% 4.71 RR XII Russian Championship Samara
4 444 2026-05-17 16/28 100% 2.45 RR Hatiko under the sakura Korolyov
5 476 2026-05-03 23/43 100% 2.90 RR Sturgeon in tempai Saratov
6 640 2026-04-05 19/51 100% 3.10 RR Moscow Riichi 2026 Moscow
7 784 2026-03-14 12/52 100% 2.30 CRR "Furin" club tournament: for the anniversary Moscow
8 392 2026-02-23 46/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
9 684 2025-12-07 7/20 100% 2.25 RR Winter Hatiko Korolyov
10 105 2025-11-04 52/58 100% 3.90 RR XI Russian Championship Moscow
11 133 2025-06-08 14/16 57% 2.00 RR Random not fault Moscow
12 684 2025-05-17 7/20 57% 1.50 CRR HaTiKo Korolyov