Kuskova Polina

From Korolyov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).

191 place (260.71).

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 + 684.21 * 2.25 * 1 + 0) / (1.50 * 1 + 2 * 1 + 3.90 * 1 + 2.25 * 1 + 1) = 304.5061032863849

p2 = (684.21 * 2.25 * 1 + 684.21 * 1.50 * 1 + 105.26 * 3.90 * 1 + 133.33 * 2 * 1) / max_coefficients = 216.92240802675585

score = 304.5061032863849 * 0.5 + 216.92240802675585 * 0.5 = 260.7142556565704

Rating changes

Show

all results
Date Place Points Reason
2025-12-07 247 -> 191 147.59 -> 260.71

Winter Hatiko: 0% -> 100%
2025-12-06 244 -> 247 147.59
2025-11-25 246 -> 244 147.59
2025-11-15 247 -> 246 147.59
2025-11-14 248 -> 247 147.59
2025-11-04 243 -> 248 144.67 -> 147.59

XI Russian Championship: 0% -> 100%
2025-11-01 244 -> 243 144.51 -> 144.67
2025-10-22 245 -> 244 144.51
2025-10-13 245 143.14 -> 144.51
2025-10-04 246 -> 245 143.14

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 684 2025-12-07 7/20 100% 2.25 RR Winter Hatiko Korolyov
2 105 2025-11-04 52/58 100% 3.90 RR XI Russian Championship Moscow
3 133 2025-06-08 14/16 100% 2.00 RR Random not fault Moscow
4 684 2025-05-17 7/20 100% 1.50 CRR HaTiKo Korolyov