Petrovskaya Ekaterina

From Simferopol, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 17, 2026 (latest changes May 17, 2026).

337 place (34.72).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (200 * 1.80 * 0.43 + 86.96 * 1.20 * 1 + 0 + 0 + 0) / (1.80 * 0.43 + 1.20 * 1 + 1 + 1 + 1) = 52.026760642705995

p2 = (200 * 1.80 * 0.43 + 86.96 * 1.20 * 1) / max_coefficients = 17.417508417508415

score = 52.026760642705995 * 0.5 + 17.417508417508415 * 0.5 = 34.722134530107205

Rating changes

Show

all results
Date Place Points Reason
2026-05-17 338 -> 337 34.72
2026-05-12 348 -> 338 34.72
2026-05-11 344 -> 348 34.72
2026-05-05 345 -> 344 34.72
2026-05-03 335 -> 345 34.66 -> 34.72
2026-04-27 334 -> 335 40.02 -> 34.66

Happy Bamboo 2024: 57% -> 43%
2026-04-19 324 -> 334 40.02
2026-04-11 322 -> 324 40.02
2026-04-05 316 -> 322 40.02
2026-04-04 315 -> 316 40.02

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 43% 1.80 CRR Happy Bamboo 2024 Simferopol