Petrovskaya Ekaterina

From Simferopol, Russia

Player page

Common russian riichi rating (CRR)

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

287 place (49.76).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (200 * 1.80 * 0.86 + 86.96 * 1.20 * 1 + 0 + 0 + 0) / (1.80 * 0.86 + 1.20 * 1 + 1 + 1 + 1) = 71.90071707430896

p2 = (200 * 1.80 * 0.86 + 86.96 * 1.20 * 1) / max_coefficients = 27.619397993311036

score = 71.90071707430896 * 0.5 + 27.619397993311036 * 0.5 = 49.76005753381

Rating changes

Show

all results
Date Place Points Reason
2025-12-07 284 -> 287 49.76
2025-12-06 279 -> 284 49.76
2025-11-30 278 -> 279 49.76
2025-11-25 279 -> 278 49.76
2025-11-04 275 -> 279 50.39 -> 49.76
2025-11-01 275 50.34 -> 50.39
2025-10-27 274 -> 275 54.88 -> 50.34

Happy Bamboo 2024: 100% -> 86%
2025-10-22 275 -> 274 54.88
2025-10-13 275 54.38 -> 54.88
2025-09-30 276 -> 275 54.38

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 87 2025-07-26 22/24 100% 1.20 CRR Pands in discards Simferopol
2 200 2024-10-27 13/16 86% 1.80 CRR Happy Bamboo 2024 Simferopol